"service manual"
Contents
1. Large size ANTENNA JACK SCH diagram m o o m Ecg CN402 TUN4 01 A B FM AM TUNER UNIT 09 SOUF G id E E 2 g I a n 9 m 2 ELEC uide page lt 468 3 5 o 2 58 5 8 a 2 8 ra 8 E X S S c rr MEAE ER A 9 GUN 5 N s o o ei 515 Se e 2 e a 5 gt gt SL gt te gt SS m 3 I 8 5 OG 5 09 6 gt FM 100 15 5dBs 162 010 50 q x Detailed page 1 s B B amp AM 302. 859 4 9 s 02 G OIPNY ou ur 991 PAPS pe ooueo SI nuoJA OIPNY spuoo s oc ue JOU JI NUDA OIPNY JOLIV e 930 punos y ysn pe ueo nod STU UJIM nua 34 Duuauu juouusn py sty UT Surureurod ojosseo HHO NO pou aq ues uonouny 3JON 2 105 2125509 CNV Surss id oq MSN 1594 e 930N 4 YWIS SW A PUIMIY MAY PILIS DISNJA PUIMIY PUIMIY 8129195 UOJING gt I JO 55944 qoe DISNA PIEMIOT SIN H lt 1584 HH ISEA 8329195 UOJING 4 991 JO 55 qoe 3ISnIN pue 3584 19 04 2125587 JO uonejadg 21528 0 SPS 45 KEH 3930R 3900R 97 9 Sous eu 55 5003304 A V 99 1949 sseq 236 35009 7 OIPNY ay SV sseg ay 329135 pue gong
3. SN3SQ 111 ASAS LINN 988945 1 69 L essesss HO LIAAS 6060 9 14 065 L L L LS TAST 2060 YHOLV 17939 AS JINN 440 MAvlLlLola ZV 16SZH ess acca cal MZ 2252 el a 5 o 2820 d l N g 1 S ZGL 2164 D u a 22x a accu mm S Gef Wo LLBY E NT en 012551 p I LAN J s 0 s 0 TX O QNO aNV I LOS LNO E SIN HE 8 2 9244 2744 LV9 LS 0 gt KEH 3930R 3900R 3 3 FM AM TUNER UNIT KE r CH O L J I 3368384 FM AM TUNER UNIT lt 1 Li gt n BBE E C902 27 F EN SIGNAL mp SIGNAL input Level OdBf 65dBf 125dBf OdBu 74dBu 125dBu 5 m S OTP2 Ir TP3O ee yO fe va SES EI B ERE S F IN c CN N N N N N N N 5 gt gt 9 fre F Ow o 2 gt gt 5 5 a o B O gt i G c c D a S EE gt 7 A lt lt ee C15 R01 o 0 AV F65 2200P us 21 FM
4. N x LDET al N R RJ 9 m am J 4 ZE 87978777679741737271170696867686964636261 R601 JO lt 22 22 9 5 2 4 0 a ZV Dr jx Oo Qx e ww OD mc 222149288 Z23xR8 8 2 l 3 E 124 D Rust SS BE E 1 lt 4 4 4 p 60 RESET 0682 9 l wc 9 2 Fe RESET E gt 9 W ien 2 ror 59 RDT E 155270 RDSLK E 2 PM4009A 5 mm roste h 2 mp 4 Avss 27 N 5559 258 SWVDD 5 sms nc 56 7 ou m 6 55 SE e 058 Bo 86 8 I gt ST SYSPW gt SYSPW ka NJ rT O OJ ei DN Z AVREF1 wore 54 p MUTE ajajaj TI KYDT 25 Ss 5 R657 222 e 9 SYSTEM CONTROLLER 52 lt DPDT ely 523 SDBW gem sure 21 TMUTE NTS Tal ele 227222 IC601 Ce o s y e ov gt TUNPD I ORST k v 4 N x s SE l 2 TUNPDO PE5088A NC 49 d dh 2 PCK 4 13 stay 48 gt gt SIBY PCE1 4 ross7 47 a RDS57K 77 CURRQ D opge nes 46 a NES 18 45 y Oe wc res 44 a RES Oe 18 wc pos 45 pos LDET 9 recive 42 a RDS57K PCE2 20 u 41 PLAY RDSEK lt 5 z PEAY gt FX k 388 wa e c s 2 58583883 2 TETT RCK N o x oon o of S lt N yy ij oN ol ol S N N N N GN N N N 10 m
5. BUS 0 1V F 0 A VCC NL2 13 CONTROL CK 59 C111 R1 0 0V F65 He ae ie 2 38 SNC TIME lt NL1 12 HEER 3 D 0V FO 39 HCC TIME SD OUT 11 E 5 0V F65 4 MUTE TIME SL ADJ 1 0 22V GD 6 Grav RE R111_27K SDBW IN MGDELAY 9 mw 31 FMSDBW Greco FN sp tine OQ MT PIENO wm a SL19K FIL 7 PFPP p 2VF 0 TP103 OUT DEVDET OUT 613 iv F65 19 VDD C125 4 2V DEVDET FIL 5157 RECH WAM SLN SM PNSSENS 4 M AMIF21n 61 zn m 33k NOSE 4 RK ROI gt gt gt c 5271 j HOLD C PNSSENS 3 SE o C127 282 50 Ea C oh 29 X amp 2 gt E COMP IN AGC 2 BEI x lt Ow L gt gt a gt gt K R115 330K gt gt gt gt dL u KL VREF mm ct dn lt lt lt R116 C128 C N M Ui On PNS HPF AGCGAIN in un Um In wo d Sir Fun d FIC FIT FIT FIT FIT FIT Zu lt lt Le ac lt M uu P ae ae GG S ele Sj o o s Se une a ie SE Ei r s sk T mis s ER Y Slc h 17 1 KEH 3930R 3900R 3 4 KEYBOARD UNIT A KEYBOARD UNIT gt E lt 02 k e ws 8 28 5 2 E EE O x gt
6. gt m 2 12 o Her 401 R33 lt EQ AMP HD1 HEAD ASSY EXA1592 TEST TAPE NCT 150 400Hz 200nWb m OUTREF1 LINEOUT1 R303 2 16K 3 TAPEIN1 C301 R1 R323 ORO C313 100 R286 ORO R285 ORO O M lt 6dBs 388mV 1dB F m 5 6 EN 7 m 8 KEH 3930R 3900R M1 MOTOR UNIT MAIN MOTOR EXA1491 1 CN256 REEL m 8373 ORO DI S2 MODE ESG1007 l O En REEL SENSE R355 270K DI C352 3900P R290 ORO R362 300 C403 R068 N o wo le 403 82 N PA2020A C402 R402 1404 18K 3900P CN254 I 5 SM2 C401 R401 2 R33 4R7K 4 a M2 MOTOR UNIT 3 5 SUB MOTOR 8 EXA1580 1 R374 ORO MECHANISM 5 alls DRIVER m ae SWITCHES PCB UNIT gj 511 SWITCH EJECT PLAY S2 MODE SWITCH ON OFF The underlined indicates the switch position m lt _____________ Oro DN gt lt O w ODO zk Oaa NN 1 Wei lt 9 21 5 6 7 8 1 KEH 3930R 3900R 4 PCB CONNECTION DIAGRAM 4 1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 1 The parts mount
7. 3 ADPW O C JJgJ A Dconverterpowersupplyoutputt Z 4 6 5 SWD O C JJ Grillepowersupplycontroloutput 20 0 6 ST JQ FMsteroinpt 2220 7 J Connected to BV line 00 8 j KYDT Keydatainput 00000000200 9 DPDT O C ______ Display data output 000200 10 SDBW I SDBWinput 11 _ I PLLICdatainput 00000022020 12 TUNPDO O C 13 TUNPCK 0 00000220220 14 TUNPCE 0 ____ PLLIC chip enable output OJO 15 CURRO 0 9 Tunervoltage FIX output 00 16 18 INL X Notued 0 00009 __19 RECIVE 10 C ___ During RDS data reception output 20 PCE2 O0 PLLICchip enable output gt gt 21 FMAM__ O FM AM power select output 22 0 C Strobe pulse output for electronic volume 23 10 C 9 Clockoutput for electronic volume 00004 24 0 C ___ Dataoutputfor electronic volume ___25 LCDPW_ 0 ___ LCD back light power supply control output ________ 26 O C 1 Illumination power supply control output 00 27 0 C LOCHoutput 7 28 101 10 C LOCLoupt 1 1 __29 INP O 20 RMUTE 0 Rloutputport 0 0 C ___ Cassette mechanism capstan motor control output _____ 32 IN
8. YYY YY Y 7 lt gt N Hl XE x B SS 0998548 BE E EN gt gt gt gt d n A A TV r H n T n 9 9 9 gt 5 L N CU Si E 155270 NOTE ovl Symbol indicates a resistor For resistors and capacitors in the circuit diagrams their resistance values or y _ 7 ITI No differentiation is made between chip resistors and capacitance values are expressed in codes riel r C610 l discrete resistors GND 220 10 gt Symbol indicates a capacitor Ex Resistors Or 1T No differentiation is made between chip capacitors and Code Practical value R 5 9 77 discrete capacitors 123 12k ohms DO 103 10k ohms gt 5 SV gt LOUT The N mark found on some component parts indicates the importance of the safety factor of the part Capacitors VCC TAPE girs Therefore when replacing be sure to use parts of Code Practical value ME REIT 102 57 Se 5 identical designation 103 0 01uF 101 10 100uF 10V OG N R PLAY lt PLAY 10 lt 00 MTL NES MCMUT ac 2 5 EES NR R618 102 AVR LLI L Oo GND R621 192 RIMUTE 62162 LLI Pos 4 R623 102 POS RES R624 102 RES LID BE Uu OC 2 R626 102 5 2 WY e SC1 R627 102 SCH lt O i CM R628 102 CM STBY R629 681 STBY 9169
9. or GE 10 m 5 6 EN 7 m 8 KEH 3930R 3900R EE 5 SE gt gt SELECTOR ss T Y N Ki RONIC VOLUME 5 E
10. 26dBs sP S N m m 474 W v vl vl x o x el R416 Ble Q 3 4 8 2501757 rv T us f e y 8478 o 473 2 5 p 724 F R417 d _ 9 ioc T RFGNDe jizen ae 0472 2501757 R418 s r BLY Bal EvolGND RN1610 iN R479 5 d d C413 102 5 lt Sug T EUN R 224 s t C414 4220719 9412 i 28024129 je mk Q N 5 5 Lo Ee R419 og r i e o ol R461 C467 1 1V TUN R Q411 Ge 473 e 3 e e 25 2412 S RA20 _ _182_ _ 010 50 N e e R421 478 N 53 475 77 77 Zi DGND DGND R444 0476 5 LE 850241 2K 1 R442 o E 473 5 5 C441 9 oj N olr R422 475 R445 2 a 0 R425 182 e e x e a e dec 393 ol 6 I 475 DGND 10477 ata aj C417 in DTA124EK i Tr i 472 2 4 5 E Da 5 5 DGND ot 9 DGND 3 2118 5 e al g 2 31 b 2 oy su Ld L601 L602 eres ee n RESET 5 45 5 C602 RDS DECODER ST 21 ST 8 5 80854 ol 2918 MHz lt CSS1047 11215 5 i X601 DRST BSENS 5 L t d ASENS 6 SL TT TEL IN o OL ole NL1 t RIS 0 Y DSENS 77 55s STE Tus NL2 SCH lt RCK e
11. 8 O N s 8L 19 lt 5 L LES Gt k gt p E 5 mm dh in D 9 4 d a zn i u x QLvacs o m N N N 03 N N N N x mo GR Ju M M Za e gt lt L wor AN D gt LLI QLZSSL B uw Loca 1 N mL 0 Y DD N i 2 WD 2 BL gt 8222 o 01 2167 TT PE Ever viva z 09 232 Be LGA nz 3 YT1no04 06 sui av Hg 1 Nec 4722 sva HW sva V 12 SV8 ke a gaal LE lezeo ul S en LaL 6124 1225 1 zLz een YTu 97 8 Ov 1129 M 1noMS T ANSV Nie QN ON vy ON fa s zuz D N z AS E LNOJ NIZE AG DD o m E N dps gt pil UN c B OTe A 3 LL CN EM 3 FEE 4 KEH 3930R 3900R EV ANN ar ES sv ONO 8v IOV LV Move At vi vv L SNI OL LL L CHL S08 988945 2060 088985 ALEOLVSz 1569 J 012551 Lt 012551 y 10 L Gd L 19691 012551 8890 012551 0992 012551 6 9 442 m U
12. 99 55244 71 pallsap sseg ISN pe ueo SVA sseg 51998245 UDYM Funjas ST 0 AVA ANOT SUO mq A V 99 Q JAO NO 1981 Io JI sp uono unj ssoupnoTT 9 9JLAS po ejdsip st 6 61 5003319 lt gt DUB SEN eg Jayvads 34812 3 35 orpny aq ur ANOT 243 322135 W 55944 71 oum oA Wind punos USTY pue ur sojesuoduioo uonounj ou L 01 JI po ejd SIP ST e OM STH suojjnq A V 99 9008 4 Jayvods JSN PY Z 4107 ssoupnoj 97 9 SMOUS ou ur 4 PAPS pue 99 559 TI suojjnq A V 1949 31994 ENUIE 10 35009 Z Spas ur suonrpuoo SUIU9 SI e pt jeu ZUS ooue eg 1ope L 129198 0 uonounj STY QV4 5ue eg ur TAL 9pour 914941 2 PPS uo nq OIGNV 94 55944 71 PASP QOIL nox suonounj UIMOT OJ NUIJN OIP
13. KEH 3900R X1M EW Keyboard Unit 1801 IC PD6293A D 1801 Diode MA152WK D 1802 Diode MA152WA X 1801 Ceramic Resonator 4 97MHz CSS1422 IL 1801 Lamp 14V 40mA CEL 1547 IL 1802 Lamp 14V 40mA CEL 1547 IL 1803 Lamp 14V 40mA CEL 1547 IL 1804 Lamp 14V 40mA CEL 1547 LCD1801 LCD CAW1559 RESISTORS R 1801 51 85222 R 1802 51 85222 R 1803 51 105471 H 1804 51 105471 R 1805 51 105471 H 1806 51 105471 CAPACITORS C 1801 CKSOYB103K50 35 KEH 3930R 3900R Unit Number EWM1023 Unit Name Deck Unit MISCELLANEOUS IC 251 IC IC 351 IC D 352 Diode RESISTORS 255 256 257 258 271 272 273 274 281 282 283 284 285 286 287 290 301 302 303 304 305 323 351 352 353 354 355 362 373 374 401 402 403 DDD DIDDII 00000 00000 00000 DIDDII DIII 229 6 ADJUSTMENT Part No CXA25590 PA2020A 1SS355 RS1 16S221J RS1 16S221J RS1 16S102J RS1 16S102J RS1 16S102J RS1 16S102J RS1 16S102J RS1 16S102J RS1 8S0R0J RS1 8S0R0J RS1 8S0R0J RS1 8S0R0J RS1 16S0R0J RS1 16S0R0J RS1 8S0R0J RS1 8S0R0J RS1 16S183J RS1 16S163J RS1 16S163J RS1 16S163J RS1 16S163J RS1 8S0R0J RS1 16S102J RS1 16S102J RS1 16S102J RS1 16S102J RS1 10S274J RS1 8S301J RS1 8S0R0J RS1 8S0R0J RS1 16S472J RS1 16S183J RS1 16S823J There is no information to be shown in this chapter 36 Circuit Symbol and No Part Name Part No CAPACITORS C 251 CKSRYB331K50 C 252 CKSRYB331K5
14. 1 LLHO ites NAL 1950 R 5 i Spal SAL T val peca SER u N o BLH vez M gt la IN COL It 6Z u QLOLNY NIG ATA MLGLLaSZ Ke 1 21 2 aL GLvO P6 L 3dV 1 ID0 9Z WIV 2 2 aPS SL He SE N 8LvH IND a MLSL LOST ETE 222 m E _ ha 49 47 EE 2 in o d d io 5 o lt N 960 INV adii as zuz N asvore zou s PS SL 00L INS 1878 8 4 Rf Co lt lt A G D 1 NAL 99 5 lt 2 L GEI SI SYHAN3A N O o 3 G a o 3 So 9 oo 1 AY GZ EZ A8 H EE BR R ERA EBS g 2 L lt gt E _ N I z N _ momo o e gt gt S m z 3 2 2 H INO4LI41 O 1 KEH 3930R 3900R CU EV KEH 3930R 3900R EV _ 4 S9poo u p ss dx ase 10 51591 1194 y u 5 510451891 104 51051899 lt m EH A0L 3n00L OL LOL 3710 0 201 uoneuBisop E9 eld 9po3 Jo sued esn 34
15. 18 uV S N 20 dB Select Vi are nr 50 dB 9 kHz LW tuner Prequetioy EE 153 281 kHz Usable sensitivity 30 uV S N 20 dB ee 50 dB 9 kHz Note Specifications and the design are subject to possi ble modification without notice due to improve ments
16. Bley I 15 AR UM UlJgYn dh 91 001 8 K Se d SS SES AS E D d aino Ka S NS 6L q ul Taino izz gieu 71 NOL 011 8222 GL Ev sva PL E sva 9795 10 sva 2 T 8341 2 05788 z205 PETA LT 2124 OU ano1 91 001 8122 79122 11noms a ON LLI a SN gt 09 232 d ON O d vigo 9 N GUN O O gt grol O m za o LL Jum oJ 6 m W lt S5 Sc v ON Ox L 2 3 E 4 m ek m j j Y Y 2 L L c X X y O 4 dy E gt Lem LO co lt r N lt m m m m m m m m lt Eine hs N FAE s O TS Z o LO O ow om T 1 T 4 o I m m e e z s oq 1160 16 m EI 988945 088995 she Des 38 3 Piper Ke e gt gt gt gt gt gt gt gt FEN DCH Dei o ml M gt TR el fet ci sl s fe Y e O OI N10 A egeo SIENAS S 00 in 8 Ou oz gt 8 1 019120011922 00 9 20231 See SET 12 765 LU 9 0922 29292 m N LO CN
17. Installation Manual Model KEH 3930R X1M EW CRD3122 English Spanish German KEH 3900R X1M EW CRD3123 French Italian Dutch CRD3124 English Spanish German French Italian Dutch KEH 3930R 3900R 2 2 EXTERIOR x E ea Lg I ehel 30 sss ns eo 1 EXTERIOR SECTION PARTS LIST Mark No Ol WN Description Screw Screw Screw Cord Assy Plug Case Earth Plate Spacer Insulator Tuner Amp Unit Screw Screw Cord FM AM Tuner Unit Holder Plug CN604 Connector CN602 Connector CN601 Antenna Jack CN402 Panel Holder Holder Holder Holder Insulator Heat Sink Holder Unit Chassis Unit Detach Grille Assy 2 CONTRAST TABLE KEH 3930R X1M EW and KEH 3900R X1M EW are constructed the same except for the following Symbol and Description Chassis Unit Detach Grille Assy Button DETACH Button Button SELECT Cover Keyboard Unit Grille Unit Panel Unit Door Part No BSZ26P050FMC BSZ30P050FMC BSZ30P200FMC CDE6100 CKM1314 CNB2350 CNC8368 CNM4913 CNM5963 CWM6806 BSZ26P080FMC BSZ26P160FMC CDE6158 CWE1500 CNC7532 CKM1288 CKS3568 CKS3581 CKX1056 CNB2344 CNC5399 CNC6845 CNC7533 CNC7996 CNM5967 CNR1505 CXB2687 See Contrast table 2 See Contrast table 2 Part No ________ ________ KEH 3930R X1M EW _ KEH 3900R X1M EW CXB4530 CXB4850 CAC5929 CAC6458 CAC6459 CNS5662 CWM6
18. PM4009A SYSTEM 25 4 CONTROLLER LOCL wai SDBW PE5088A VCC VDD TUNPCK PCE2 TUNPDO TUNPDI ELECTRONIC VOLUME TUN L IC301 En SN761029DL TDA7384 MUTE STBY 8 4V VDD REGULATOR DECK UNIT RESET 2 FWD POWER SWITCH L ch IC901 TPD1018F he L ch RIMUTE SYSTEM Suni MECHANISM CONTROLLER TEL MUTE M2 gt 2 4 MOTOR NG 1 IC351 M1 Re MAIN MOTOR O650 VDD SWITCH REEL SENSE PCB KEYBOARD UNIT l 7 LCD DRIVER IC1801 PD6293A FL FL RL RL BACK UP ACC B REMOTE DRIVER 18 119 IC601 2 2 KR 8 AKO TEL MUTE 5 17 5088 2 3 m 4 E K H 393OR 3SOOR 3 2 OVERALL CONNECTION DIAGRAMI GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A TUNER AMP UNIT
19. x x oc 22945 LLI 12985 lt lt SF 02045 SE CJ i DC 62935 995 0 5755 NH GE T Zm EQ Cy sess e 9 ross wass ER 22935 22945 2 16836 7635 S 02935 GI Ol NISN 8 00 0 O NI O 0 5 O 5 Wy Wy LI WM VI OI Ul U unm ea 1559 D1 801 VOL E 51801 KST4 DPDT LOUD Qn 51803 SOURCE G A 51812 BJECT jeg 51819 LOCAL BSM p 51820 REMARK im CARBON CONTACT RUBBER S5WI TCH 411 81806 KDT 471 D180 k MAT S52WK 01802 MAT 52WA ls KEH 3930R X1M EW 900 1 IL1801 1804 CEL1638 14V 40mA CEL1547 14V 40mA m 8 KEH 3930R 3900R I I 222 1 8 222 1 8 CN1 801 UGND GND 2 ae 3 DPDT SWSV E 19 x x ILL x x DSENS 1 1802 lt uGND 111805 111804 x GND A CN601 ERN 2 3 4 KEH 3930R 3900R 3 5 CASSETTE MECHANISM MODULE D DECK UNIT C253 330P 26 Ri 25 R301 24 23 22 21 2 2 5 E 0 7 C254 330P 3 20 fe RR mm 18 R271 IK R290 FSA CXA25590 4 C251 330P Kee 39
20. 182 ou onuoo ejo1 euuojue ojny 5 182 o p9199uuoo ST 5 STU UMM sty 125 SI OU JOU JIM oposseo 94 e POJAS ST uonejs 5 UJM SISH 7 091916 o ISLAT 0008 591815 SUTUNT 4996 SUONPIS 15 Joun lt ode drys spuooas uey 19800 uognq Surssoud NO JI e 19p10 99INOS 5109125 uomnq 440 80 1105 20 58914 yeg 9J0N 55914 JO 0 Surun 1 4996 5591 10 Spuooos CH days Aq days Surun 8 9 See uo nq lt p 559 9 no dur JO u SUISUBYD Surunj 72995 UBD urung 1995 JENUEIN Jonpoad sty 85 e Surunj ewou HHO pourras oq DIDOUS HV HHO pu NO PaYDNMS oq JN 5 519 OISNU o Uu9jsI ULI perur SurAo oJ Jouny JO uonesadg JISEG JISTA 0 UYISTT OL E EE TENEN Y KEH 3930R 3900R orpn y 94 PULO 7
21. 4 9145 0 ON 71935 6I ON 21985 GI 21936 ON age 9 01935 GION 6035 HI ON 8935 ON 1935 99365 4936 7935 2935 2935 1935 0035 0INOO LAOD cINOO EINOJI COMMON LAOS EINOJI KEH 3930R 3900R 8 OPERATIONS AND SPECIFICATIONS 8 1 OPERATIONS 7 lt 4 SOURCE OFF button EJECT button buttons Cassette door BAND button 1 2 3 G4 5 6 e Ce Buttons 1 6 AUDIO button DISP button Detach button button TA AF button LOCAL BSM button PTY button 43 KEH 3930R 3900R 9 suojnq UT p zriout tuu Suomejs e291 o SUOIINQ A 10 W BSN OSTE ULI JOUIDUI UT pa1ojs oq UBD SUONPIS 9 pue TND ZA pue TINA TA ut 9 suonejs WA OLAN 9JON IO Spuooos Z UOHPIS jseopeorg 5591 JO Spuooos Z 6291 uoneis 195944 UOHEJS 4582 101 9 USNOIUJ ZA 74 m D 4 suo nq 5001675 JSE2peo q 7 UBD lt Buiunj puoo9s 10 ploy GJ GJ 99 2 92105 99 UM 13quinN 13S31d pueg duanbauy 9um oA IY 7 THO 221005 YAMS euuojue 308 21 OL NO POYINMS SI S sry spuojxo RUUDIUR OJNMY 5
22. RS1 16S473J C 901 CEJA101M10 R 20 RS1 16S470J C 902 CKSOYB473K50 R 51 RS1 16S470J C 903 470uF 16V CCH1183 R 52 RS1 16S103J C 904 CKSOYB103K50 R 53 RS1 16S103J C 905 330uF 10V CCH1181 R 54 RS1 16S331J C 906 CKSOYB103K50 R 55 RS1 16S331J C 907 100uF 16V CCH1179 R 56 RS1 16S560J C 908 CKSOYB103K50 R 57 RS1 16S560J C 910 CKSOYB473K50 R 58 RS1 16S102J R 59 RS1 16S225J Unit Number R 60 RS1 16S133J Unit Name FM AM Tuner Unit R 61 RS1 16S433J R 62 RS1 16S562J MISCELLANEOUS R 101 RS1 16S333J oa EE IC 2 IC PM4008A pee Ory R 104 RS1 16S562J O 1 Transistor 2SC4081 O 2 Transistor DTC124EU R 106 RS1 1650R0J R 108 RS1 16SOROJ o ore M XA Q 51 Transistor 2SC4081 Q 201 FET 2SK932 R 112 RS1 16S223J O 202 Transistor DTC124EU O 204 Transistor 2SC4081 R 113 51 165222 114 51 165333 D 1 Diode KV1410 23 dE 2 D 2 Diode 1SV248 CAN Hs R 117 RS1 16S333J D 6 Diode KV1410 23 D 101 Diode 1SS355 R RS1 165223J R 122 RS1 16SOROJ D 201 Diode DAN217U SC See D 202 Diode DAN217U D 904 Diode SVC253 R 205 RS1 16S220J L 1 Coil CTC1155 R 206 RS1 16S471J ZEN cene L 3 Inductor LCTB100K2125 L 4 Coil CTC1155 L 201 Inductor LCTB330K1608 R 210 51 165563 L 202 Inductor CTF1287 R 213 51 165223 251 RS1 16S225J L 203 Inductor LCTA121J3225 SC i L 901 Coil CTC1154 L 902 Inductor LCTA3R3J3225 R 907 RS1 16S103J L 904 Inductor LCTBR47K1608 L 905 Inductor LCTBR47K1608 R 908 51 165681 909
23. s G B REMOTE WS BACK UP SENSE Fg L zg 222 x 4 9 8 SW5V 8 IC901 A NC ei TPD1 18F Q 6 9 N uw ILL 9 TRO 0 R652 655 DT DSENS DSENS o 472 222 A CN901 sl sis 8955 R952 D951 L951 R951 eget gt dh L t DTELMUTE wl o 473 472 155270 155 25A1037K Say S R A A A eee sl 4 f 9 19 TEL IN E e el 6 102 KEYBOARD UNIT qe U k E TELEPHONE MUTE ER 77 11 35 1JIdnoS LINN YANNL CDEN VNNALNV LINN 43NAL V E Tu PE EN m 5 2 LUNA L n 7 45 6 8 q x v m ba SSAV 2109 EY v600rAd E H az g N m 042561 9 xs m gt 7 m 9 T N N alao elo E 2 2 Syd Y 4 AT p alg 8 af gt 1588 SEO E ANV S808 S m 3 9300230 sad 20921 m lt Ve aNowoon 2 5 5 G 5 A R amp en 2 N 281 sch Sly 2298 g U P A MZ 72252 3 9Lvo pyvd f L 1d e E Sle L t 0 2 2 257012 291 MZ 72252 QR N
24. 0 C 253 CKSRYB331K50 C 254 CKSRYB331K50 C 255 CKSRYB103K50 C 256 CKSRYB103K50 C 272 CKSRYB104K16 C 273 CEJA220M16 C 301 CKSRYB104K16 C 302 CKSRYB104K16 C 313 CCSRCH101J50 C 351 CKSYB224K25 C 352 CKSRYB392K50 C 353 CKSRYB103K50 C 354 CKSRYB103K50 C 355 CKSYB104K50 C 356 CKSRYB103K50 C 401 CKSOYB334K16 C 402 CKSRYB392K50 C 403 CKSRYB683K16 Unit Number Unit Name REEL SENSE PCB S 1 Switch LOAD ESG1007 S 2 Switch MODE ESG1007 EGN 1 Photo reflector EGN1004 Miscellaneous Parts List M 1 Motor Unit MAIN EXA1491 M 2 Motor Unit SUB EXA1580 HD 1 Head Assy EXA1592 Fuse 10A CEK1136 7 GENERAL INFORMATION 7 1 DISASSEMBLY Remove the Case not shown 1 Remove the two screws 2 Remove the Case Remove the Cassette Mechanism Module not shown 1 Remove the four screws 2 Disconnect the connector and then remove the Cassette Mechanism module Remove the Panel Unit Fig 1 Disengage the stopper at two locations indi cated by arrow Remove the Panel Unit Remove the Tuner Amp Unit Fig 2 Remove the two screws Remove the three screws Remove the screw Unbend the tabs at four locations indicated by arrow until straight Remove the Tuner Amp Unit KEH 3930R 3900R Cassette Mechanism Module Panel Unit Fig 1 a nd BELL uma i x r 2 Tuner Amp Unit Fig 2 37 KEH 3930R 3900R 7 2 PARTS 7 2 1 IC Pin Functions PE5088A 12 N Noted
25. 05 221 A Sim DN nhn 77 BIS 20 ell TE D352 ef Pt 5 S 155270 S Bloe 350 351 Pa Weg 2SC2412K DTC124EK s W p gt Ss o Le m ba 5 i 5158 8 4V REGULATOR u 0905 25 Q904 7 2581243 L901 10A d E egay e 2502586 13 5 s H Y 600uH 136 225 PAN R911 472 2 5956 2 io 5 T 122 SE g 5 2 5 5 e g o o e 2 3 BACK UP TIE 223 5 2 S Ss o 8 A4 14 AV R357 M s 125 5 0552 L NET A7 ACC 1 5 Is 2SC2412K 103 als 1 e R358 0350 77 5 RN1610 RN46A1 225 HzsSL ong S OFF MUTE d a 12 A8 GND 77 R725 R726 y z PRE J REGULATOR bebe D9 5 R480 C481 Q B 4V DE S5688G E 9 9 949 151 L oly ines9pn 77 77 77 20 9 in iN S E ua Q920 ES 1 s SEI al ee FE Ae o c c olo 5 0 SR SUK oj 5 424 0 5 e e 77 4 x e 650 er ASENS ACC SENSE 2SA1057K gun 25 2412 77 RN46A1 E733 8905 0984 2905 A 8655 SWVDD 6302 11 752 225 2571 A1 102 S ol la s s asl af el 77 777 R902 D901 CN1 801 2 2 A hd gt t A A A 725 HZS7L C2 uGND 4 Be s cl al 3 25 2412 Arm 0909 a o S5688G we e 2 POWER SWITCH js 3 KYDT e KYDT 77 5 472 ze np
26. 21 26 m 31 2 4 B L 35 4 M 1 KEH 3930R 3900R 4 3 KEYBOARD UNIT 15 91815 OT 201 E LEM S 4 9 O 61815 1L33f 3 Whe KD S lt 8 5 A515 82815 ano 70815 dl O 20815 3124105 0815 10A 12815 O O O LINN QHVOS8A3 I fo C KEYBOARD UNIT O H m 4 KEH 3930R 3900R 2 3 mi 4 E KEH 3930R 3900R 4 4 CASSETTE MECHANISM MODULE D DECK UNIT CN602 IC O ADJ VR302 556 Re 5 er Ce 51e le 1 5 el 0551 ope eL Je 5557 1 2 a 3 PS 4 KEH 3930R 3900R E REEL SENSE PCB D CN253 KEH 3930R 3900R 5 ELECTRICAL PARTS LIST NOTES Parts whose parts numbers are omitted are subject to being not supplied The part numbers shown below indicate chip components Chip Resistor RS1 OSOOOJ RS1 0ODOSOOOJ Circuit Symbol and No Part Name Part No Circuit Symbol and No Part Name Part No Unit Number CWMO6806 L 601 Ferri Inductor LAU2R2K L 602 Ferri Inductor LAU2R2K Unit Name Tuner Amp Unit L 650 Ferri Inductor LAU2R2K L 703 Inductor LAU100K MISCELLANEOUS L 704 Ferri Inductor LAU101K D ae L 901 600uH CTH1219 IC 601 IC PE5088A L 951 Ferri Inductor LAU2R2K IC 602 IC S 80834 ANY A 601 Ceramic Resonator 4 194MHz CSS1047 IC 701 IC PM4009A X 70 Crystal Reso
27. 22J C 411 CKSOYB223K50 R 652 RD1 4PU472J R 653 RD1 4PU222J C 412 CKSOYB223K50 R 654 RD1 4PU473J C 413 CKSOYB102K50 R 655 RD1 4PU752J C 414 CEJA220M10 C 415 CKSOYB473K50 R 656 RD1 4PU223J C 416 CEJA101M10 R 657 RD1 4PU222J R 660 RS1 10S1R0J C 417 CKSOYB472K50 R 713 RS1 10S225J C 418 CKSOYB472K50 R 716 RD1 4PU102J C 441 CKSOYB182K50 C 442 CKSOYB223K50 R 721 RD1 4PU102J C 462 CKSOYB123K50 R 722 RD1 4PU102J R 723 RD1 4PU102J C 463 CKSOYB123K50 R 724 RD1 4PU681J C 466 CEJA1ROM50 R 725 RS1 8SOROJ C 467 CEJA1ROM50 C 481 CCSOCH151J50 R 726 RS1 8SOROJ C 490 CKSOYB103K50 R 901 RD1 4PU473J R 902 RD1 4PU223J C 491 CKSOYB102K50 R 903 RD1 4PU223J C 492 CCSOCH101J50 R 904 RD1 4PU473J C 601 CKSOYB473K50 C 602 CEJA2R2M50 R 905 RD1 4PU102J C 603 CKSOYB103K50 R 906 RD1 4PU473J R 907 RD1 4PU473J C 604 CCSOCH101J50 R 908 RD1 4PU472J C 608 CEJA4R7M35 R 909 RD1 4PU103J C 609 CEJA100M16 C 610 CEJA220M10 R 910 RD1 4PU101J C 650 CKSOYB223K50 R 911 RD1 4PU122J R 912 RD1 4PU103J C 711 CEJA220M6R3 R 914 RD1 4PU102J C 712 CKSOYB104K16 R 944 RD1 4PU152J C 714 CKSOYB471K50 C 715 CKSOYB104K16 R 951 RD1 4PU 153J C 718 CKSOYB471K50 R 952 RD1 4PU472J R 953 RD1 4PU473J R 954 RD1 4PU102J R 955 RD1 4PU473J 33 KEH 3930R 3900R Circuit Symbol and No Part Name Part No Circuit Symbol and No Part Name Part No C 719 CEJA220M6R3 R 16 51 165223 720 5 104 16 17 51 165221 725 CCSOCH270J50 R 18 RS1 16S221J C 726 CCSOCH270J50 R 19
28. 4R7K L 402 Ferri Inductor LAU2R2K L 403 Inductor LAU100K 32 KEH 3930R 3900R Circuit Symbol and No Part Name Part No Circuit Symbol No Part Name Part No R 442 RS1 10S473J CAPACITORS R 443 RS1 10S681J R 444 RD1 4PU472J C 310 CEJA2R2M50 R 445 RD1 4PU473J C 311 CEJA2R2M50 R 446 RD1 4PU224J C 312 CEJA2R2M50 C 313 CEJA2R2M50 R 460 RS1 10S162J C 314 CEJA2R2M50 R 461 RS1 10S162J R 464 RS1 10S272J C 317 CEJA100M16 R 465 RS1 10S272J C 318 CEJA100M16 R 474 RD1 4PU222J C 319 CKSOYB822K50 C 320 CKSOYB822K50 R 475 RD1 4PU223J C 321 CEJA1ROM50 R 476 RD1 4PU223J R 477 RD1 4PU222J C 322 CEJA1ROM50 R 478 RD1 4PU224J C 323 CKSOYB183K50 R 479 RD1 4PU224J C 324 CKSOYB183K50 C 325 CKSOYB104K16 R 480 RS1 8SOROJ C 326 CKSOYB104K16 R 499 RS1 8SOROJ R 601 RD1 4PU124J C 327 CKSOYB104K16 R 604 RS1 10S473J C 328 CKSOYB104K16 R 610 RAB4C473J C 329 CEJA2R2M50 C 330 CEJA100M16 R 612 RD1 4PU473J C 332 CKSOYB473K50 R 615 RD1 4PU103J R 616 51 105473 333 CEJA470M10 R 617 RAB4C102J C 334 CKSOYB104K16 R 618 RD1 4PU102J C 335 CKSOYB104K16 C 350 CEJA330M10 R 621 RD1 4PU102J C 360 CKSOYB225K10 R 623 RD1 4PU102J R 624 RD1 4PU102J C 361 CEJA1ROM50 R 626 RS1 8S102J C 362 CKSYB225K16 R 627 RS1 10S102J C 363 CEJA100M16 C 364 CFTNA224J50 R 628 RS1 10S102J C 365 CFTNA224J50 R 629 RS1 10S681J R 637 RD1 4PU 103J C 366 CFTNA224J50 R 649 RD1 4PU222J C 367 CFTNA224J50 R 650 RD1 4PU472J C 368 CKSOYB104K16 C 399 3300uF 16V CCH1344 R 651 RD1 4PU2
29. 50 CKSOYB474K16 CKSOYB474K16 CKSRYB104K16 CKSRYB104K16 CKSRYB104K16 CKSRYB123K25 CEAL220M6R3 CKSRYB473K16 CEAL2R2M50 CKSRYB102K50 CKSRYB153K25 CKSRYB332K50 CKSRYB682K25 CKSRYB681K50 CKSRYB103K50 CKSRYB103K50 CEAL2R2M50 CKSRYB103K50 CCSRCH471J50 CCSRCH100D50 CKSRYB104K16 CKSRYB332K50 CKSRYB103K50 CKSRYB104K16 CKSRYB473K16 CCSRCH560J50 CEAL470M6R3 CKSRYB103K50 CKSRYB103K50 CCSRCH101J50 CKSRYB223K25 CKSOYB334K16 CKSRYB103K50 CKSOYB105K10 CKSRYB104K16 CKSRYB473K16 CKSOYB334K16 CKSOYB474K16 CKSRYB104K16 CKSRYB272K50 CKSRYB682K25 CCSRCH270J50 CKSRYB223K25 CKSRYB103K50 CCSRTH100D50 CCSRTH150J50 CCSRTH100D50 CKSRYB332K50 CKSOYB474K16 CKSRYB223K25 00000 Unit Number Unit Name MISCELLANEOUS KEH 3930R 3900R Part No CKSRYB682K25 CKSQYB223K25 CKSOYB474K16 CKSYB475K10 CKSRYB223K25 CKSOYB225K10 CCSRCH270J50 CCSRCH270J50 CKSYB105K16 CKSRYB103K50 CWM6813 KEH 3930R X1M EW Keyboard Unit IC 1801 IC PD6293A D 1801 Diode MA152WK D 1802 Diode MA152WA X 1801 Ceramic Resonator 4 97MHz CSS1422 IL 1801 Lamp 14V 40mA CEL1638 IL 1802 Lamp 14V 40mA CEL1638 IL 1803 Lamp 14V 40mA 1638 IL 1804 Lamp 14V 40mA 1638 LCD1801 LCD CAW 1559 RESISTORS H 1801 RS1 8S222J R 1802 RS1 8S222J R 1803 RS1 10S471J H 1804 RS1 10S471J H 1805 RS1 10S471J 1806 RS1 10S471J CAPACITORS C 1801 CKSOYB103K50 Unit Number Unit Name MISCELLANEOUS CWM6812
30. 813 CXB5840 CXB4929 CAT2108 Mark No 31 32 33 34 35 KEH 3930R 3900R Description Screw Button DETACH Button 1 6 Button EJECT Button Button SELECT Button SOURCE LOUD Spring Cover Keyboard Unit LCD LCD1801 Connector CN1801 Holder Rubber Lighting Conductor Rubber Grille Unit Button Spring Spring Spring Bracket Bracket Arm Arm Arm Panel Unit Door Spring Screw Cassette Mechanism Module Screw Fuse 10A 02 Transistor Q904 Part No BPZ20P100FZK See Contrast table 2 CAC6275 CAC6277 See Contrast table 2 See Contrast table 2 CAC6494 CBH2210 See Contrast table 2 See Contrast table 2 CAW 1559 CKS3580 CNC8517 CNV5954 CNV6274 CNV5968 See Contrast table 2 CAC4836 CBH1834 CBH1835 CBH2182 CNC6135 CNC6791 CNV4692 CNV4693 CNV4728 See Contrast table 2 See Contrast table 2 CBH1838 IMS20P030FZK EXK4100 ISS26P055FUC CEK1136 TDA7384 25D2396 KEH 3930R 3900R 2 3 CASSETTE MECHANISM MODULE SE me d ont u adhe KEH 3930R 3900R CASSETTE MECHANISM MODULE SECTION PARTS LIST Mark No Description Part No Mark No Description Part No 1 Screw BSZ20P040FMC 46 Pinch Roller ENV1518 2 Washer CBF1037 47 Pinch Holder Unit EXA1583 3 Washer CBG1003 48 Pinch Roller ENV1518 4 Screw EBA1028 49 Reel Unit EXA1585 5 Screw CBA1037 50 Head Base Unit EXA1586 6 Spri
31. EG12 5 O LCD segment output C Crystal oscillator connection pin C C 1 10 17 18 19 20 21 22 23 24 27 28 56 SN761029DL DVcc bei M 9 O N Ee 5 o oc lt oc Q VRin R TREB R BASS C2 R cc gt 48 47 Volume Loudnes EK Line Serial Bus Volume Loudness Treble p JI NC 3 VRin L 5 BASS C2 L Pol FRNTout L c 20 KEH 3930R 3900R BR9010FV 5 80834 2 CS Chip select input 7 GND Serial data clock input Serial data input DO Serial data output CS WC Write control input PM4009A 92 gt ae o O 5 E 6 row do ges qm x A A m d d o 7 a s e x XD O m 1 OU ww doro M B MD B e EL 5 fe P1 EST EST EET ESL 21 RDS CLK REC TIMING STAS eu TEST SEET REGISTER Jj amp e 4 e ge np ENIdL 3 I El E JOOWL 41 KEH 3930R 3900R 7 2 2 DISPLAY CAW1559 A SEGMENT 935 Ov ON 793565 ON 8 c 93s ON 169365 9 06635 GE ON ezo3s ON 82936 ON 12935 c ON 92935 ON 92035 OG ON 72935 ON 22935 ON 22936 16 12935 92 02936 G 6 935 81938 11935 91935 IG ON
32. F 2 C z C3 w ua N N Z CO C CN 00 CC O Z oa CH o 1 1 gt H OD CO 99 49 gt Wel I x Z 2 LL c 2 gt O O O s s v a Om AO 1 FM OSC EE SE s 4 ST a 2 R902 ne Era Z AS 10 5 sS Ts SC g ox TP902 PLL KE EEPROM E gt u S 5 amp S is MEN epe BR9010FV zl lt o s n F E 5 a ES C115 Nt DN e S 00 UN R047 E e R104 C116 f o o o 5 C gt 1 gt G E gt gt SR6K 2R2 50 O gt o LL S amp 2 2 T PLLVref 80 REI PLL FIL PLL FIL 24 M i CREQ 79h DET FIL SL OUT 23 127 0 Ze APLL GND 22 hv LDET 78 DET FIL ST IND 21 D CleanGND 77 C117 OTP903 AVCO VCC SUB BIAS 20 h w Vss 76 2746 Ge 8 bv APLL FIL ad C920 27P Sei ta 41kHz IN 5 5 D GND 3 1V A74 Xtal_D 74 T5 01 L OUT 19 2 0V Fb i O ce BUS R OUT 18 VDD 73 III CONTROL es LET Ka HI BLEND 17 5 9V A74 CK 8015 AMIF2out 72 F65 C SEP ADJ 16 O 8 106 T 1V SL FM AM 7140 01 1 4 Feb Hee amp UB C121 3300P D M 7 A 70 AN IN lt A GND 14
33. Grilledetachsenseinput 4 __64 TELN Telephone muteinput O 65 ASENS power sense input BSENS Backup power sense input 0 05 67 NC 11 68 6 X2 10 Oscillator output 2 70 IX Oscillatorinput 71 GND 11 JjConmecttoGND 72 N Notued 7 73 1 Testprogrammodeinput 00 74 AVDD converter analog power supply VDD ________ 75 AVREO A Dconverterstandardvoltageinput ___ 76 SL JQJSignllevlinpt 00 77 Modelselectinput 78 NAI 1 1input 79 2 11 Noiselevel2input 00 80 INC Noued C MOS N Channel open drain IC s marked by are MOS type Be careful in handling them because they are very liable to be damaged by electrostatic induction PD6293A 39 KEH 3930R 3900R Pin Functions PD6293A O 69 COM3 0 ___ L 10 WEED NC Ko O LOr 1516 11 e 184 WI 19 TN 2 2 _ 21 MODA J GND 392 ss WER Lg 24 wass 2526 L 87 W Sas p Ko p DPDT Crystal oscillator connection pin VSS N 25 26 a 28 4 ____ SEG35 13 33 55 SEG35 13 LCD segment output 56 Power supply 57 64 S
34. NS Huloejdas uaym y JO 10708 5 ay jo y sed 1ueuodujoo uo puno S SWYO AOL 201 XZL EZL 9 913S1p diuo usamjeq SI ON e I S101SIS8J 9 9J9SIp pue sJo1sisaJ diuo SI ON JO SIS91 e T 3LON 91700 60934 J NP o d L TT 2 92 2 012551 8193 33d S3N MLSSOJ A8LS SN SLAW MdSAS ON S N ON TED gt WN ON NN N N JIN IN JN gt jS JO JO ON IN N CN ON CN N WN ON IND 2 5 r I 2 2 za0d 02 JA1938 BL ON GL ON L 0443 L 32dNNL vL MIdNNL L e 10991 aa Maas CJ WALSAS QQAMS AT EN MLSSad 1391 ZHN LvviSSO 0 2 N x LNODSO NI DSO LL 64 5 135341 61 42 9 gt FTINGOW INSINVHO3IN 4LLA4SSVI 1 zm KEH 3930R 3900R A a A b d vaL
35. NY ou 391 1ueunsn py 3 q34 suonsdunq nua 0 Y KEH 3930R 3900R sloyeads p o o o uuoo JOU Spe 0 Suryj ue X q 19 OTA 910 TT 3553091 o uuoo op ut 1sKs Joxeads v YIM Gc uaa SZ pog AMNYA OL 8 puno18 Joerg uonisod UDJIMS JO SSI PIRFDI 02 8 skemye o 79 3 HYO NO A ZD uias BID ol SHUM I poy IAV OL Toxeods Sta ri Jayeods WoT I oyga on g TI OG A TI 005 XEN eururio onuoo esn 01 euuojuy 7 PUUDUR OJNY JO dure 1oAod Jo OMHUOD UIIJS S OL 71 Suonoouuoo Aue JO 9911 peo IMN orpny 4994 ou JI euoude oi 2 UO pes AN orpny IA JI j2ouuoo wn osn noA JI YSRTG MOTPX 6 STYL I 47 KEH 3930R 3900R 8 2 SPECIFICATIONS General Power source 14 4 V DC 10 8 15 1 V allowable Grounding system Negative type Max current consumption 8 5 Dimensions mounting size 178 W
36. Pioneer Service ___ ORDER NO CRT2420 HIGH POWER CASSETTE PLAYER WITH RDS TUNER X1M EW xwew This service manual should be used together with the following manual s Model No Mech Module Remarks CX 1011 CRT2406 4 Mech Module Circuit Description Mech Description Disassembly CONTENTS 1 SAFETY INFORMATION 2 7 GENERAL INFORMATION 37 2 EXPLODED VIEWS AND PARTS LIST 2 Tel DISASSEMBLY E 37 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 9 Eege 38 4 PCB CONNECTION DIAGRAM 22 7 2 Creer ee eee ee 38 S ELECTRICAL PARTS LIST E 32 7 2 2 DISP E 42 B REECH AE RE 36 8 OPERATIONS AND SPECIFICATIONS 43 PIONEER CORPORATION 4 1 Meguro 1 Chome Meguro ku Tokyo 153 8654 Japan PIONEER ELECTRONICS SERVICE INC 1760 Long Beach CA 90801 1760 U S A PIONEER ELECTRONIC EUROPE Haven 1087 Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 1999 K ZZD NOV 1999 Printed in Japan KEH 3930R 3900R 1 SAFETY INFORMATION This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified technicians have the necessary test equipment and tools and
37. R Io P DobyBNRoutpt 111 33 GND lt lt ee o c 34 SC2 O C Cassette mechanism sub motor control output 35 5 1 C ___ Cassette mechanism sub motor control output 36 n Cassette mechanism MS sense input 3739 INC Notused 40 INR direction forward reverse output 41 C MSfilter select output 4 42 LOADSW X J Tapeladinginpt O 43 POS Cassette mechanism position sense input 44 RES 1 Cassette mechanism reverse end sense input 45 PE 0 J 9JBeeptoeoutpt 46 NES Cassette mechanism forward end sense input 00 47 RDSEK 57kHzBP OUT sense input 48 STBY O C Stand by output 49 INP J X J Notused 50 DRST O C X 9 Decoderresetoutput 51 TMUE 0 C J Tunermuteoutput 52 ANTPW 1 Antennapoweroutput gt 4 0 53 SD 11 Simp 400222 54 0 C JXS Mueouput 1 55 SYSPW O C J System power supply control output 00 5657 INL j Noued 58 RDSIK 9 J RDSlKsignlinpt O 59 RDT 11 RDSdataipput 1 0 0 0 0 0 0 60 REST Resetinput 61 0 1 Jj PlLloksenseinpt 1 1 KEH 3930R 3900R 62 11 RDS lockinput 63 DSENS
38. RFVref C16 I A gt zi Te 22 FMMIX1 inf 5 zy 5 FMMIX11n2 Sek EW S 1 984124 FMWAGC in S 2 I C18 3P ges lt S 147125 RFVCC 5 D C19 01 114 RO DTC124EU GRAAT 26 FMIMMIXout 2 7 RFGND 28 FMIMAGC In SAS Q 0V AM 5 d 29 FMAGCout_G2 M32 FMAGCout Di 2SC4081 LESE tty MH 31 AMUWAGC I n 5 5 55 1 9V FM 7 TF AMRFAGCout Di EI CH r 55 AMRFAGCout 34 AMMIX1 1n2 35 AMMIX1 i n1 rav 36 SW2 T 57 AMRFAGC IR lt np sem AM RF lt Leif 39MIX10ut2 05 zdz 2 S vis e S E N at seg E C208 air 578 ep 1283 E 2 EUR 5 ade 0204 ST 25 4087 T c 4 C201 L201 C205 2 gt O 2 Sls eis Tf 470P 01 0201 L o lt gt gt Aa b _ 25 932 oe SE aw 5 15 da up lt e x S 41 2 zi ST 2 1 DTC124EU S 7 4 5 C51 zh gt N 256408117 SFS 55 PNE CF51 CF52 CF53 1ST F FM AM 10 MHz 15 1 EN 2 EN 3 E 4 8 KEH 3930R 3900R C54 C55 R1 C58 R22 1z 2ND AM 450kHz a G
39. RS1 16S473J T 51 Coil CTE1132 R 914 RS1 16S562J CF 51 Ceramic Filter CTF1442 CF 52 Ceramic Filter CTF1442 CAPACITORS CF 53 Ceramic Filter CTF1442 ee 1 CCSOCH5R0C50 CF 202 Ceramic Filter CTF1348 2 CCSRCH5R0C50 C 4 CCSRCJ3R0C50 X 901 Crystal Resonator 10 250MHz CSS1432 C 6 CKSOYB105K10 RESISTORS C 8 CKSRYB222K50 R 1 RS1 16S153J C 10 CCSRCH220J50 C 11 CCSRCH150J50 R 2 RS1 16S103J C 12 CCSRCH8ROD50 R 6 RS1 16S103J C 14 CCSRCJ3ROC50 R 7 51 165273 C 15 CKSRYB103K50 R 8 RS1 16S473J R 9 RS1 16S223J C 16 CKSRYB222K50 C 17 CKSRYB222K50 R 10 RS1 16S473J C 18 CCSRCJ3R0C50 RON 551 1692214 C 19 CKSRYB103K50 R 12 51 165103 C 20 CKSRYB103K50 R 13 RS1 16S104J 34 00000 00000 00000 21 24 31 32 35 51 52 53 54 55 56 58 59 60 101 102 103 105 106 107 108 109 110 111 112 113 114 115 116 117 120 121 122 123 125 126 127 128 201 202 203 204 205 206 207 208 209 210 211 212 215 216 217 219 220 221 222 223 224 225 226 902 904 905 906 907 909 910 912 913 Part CKSRYB103K50 CKSOYB334K16 CKSRYB222K50 CCSRCH470J50 CKSRYB103K50 CKSRYB103K50 CKSRYB473K16 CCSRCK2RO0C50 CKSRYB103K50 CKSRYB104K16 CKSRYB104K16 CKSOYB224K16 CKSRYB223K25 CKSRYB104K16 CEALNP100M10 CCSRCH151J50 CKSRYB473K16 CKSRYB682K25 CEAL2R2M50 CKSRYB103K
40. ad iei M X e s gt skle 14 5 R x ey L N C310 asi IN z M P lt 31215 4 o 2R2 50 A 5 C312 al al oll i 2R2 50 je o 1 1 a sl acl a N o oi A AAA AA Jj oj g SEET zda Ng al l e dg 3588872 1 15 5dBs 40320 Z lt gt C301 a lt lt 6 u 26 0dBs m m F PE 7 9dBs SN761029DL x x 1 al D arf DS gt c ac o d BEE EE a 2 x ve 5 2222 295 901222606 oT 555 47010 5994 0 6 AAA DAA AN N n gt gt of TT 554 104 va lbs lt 9 4 65 Slo 5 6 5 C311 s om s ka d SYN 2R2 50 S fal W P x N 1 JEE gt POWER AMP DID D ojojo d FM 33 5dBs CN604 4 A A 9 79 8 AM 25 0dBs o 8 4 TAPE 23 1985 d FM 7 5dBs 9 7 4 EN 2 B5 gt FL AM 1 0dBs 13 8 TAPE 2 9dBs 3 Sat m LW EM 1 B6 ES FL 9 gt gt gt 2 T C364 224 2 11 A vec 9 7 3v 4 B3 FR 2 5 C365 224 7 2 12 SN 3 B4 FR ND 17 7 4 H SE gt gt 7 87 a C366 224 RL 7 2V15 ox 19 7 8 B8 RL gt gt See gt gt gt C367 224 7 2V14 Ta 5 B1 RR SYSTEM MUTE GER R352 R354 R355 22 25 e 1
41. ed on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram Viewpoint of PCB diagrams NO Connector Capacitor P C Board Chip Part SIDE B CORD ASSY A TUNER AMP UNIT 9904 0905 00905 IC6 2 IC3 2 e 1801 EN 3 EN 4 8 KEH 3930R 3900R IR D CN251 Ger 8 tee eege HE bss SR AEN a 20 23 1 KEH 3930R 3900R mm 8 KEH 3930R 3900R IC901 IC501 IC601 0555 04 5 0474 0477 0552 1 KEH 3930R 3900R 4 2 FM AM TUNER UNIT Le SA Ve c I ode 492241 sel d boy eile soy 20 12 4 Lu O8 e 2 ICH FCD 6181 ZI YI ST cl 1101 8S Z 9 S v 1 0000Q900000000 00000060 Sethe 916990 ro H 3 t269 Ae 7861 8169 2060 2044 Hie AG Bue qo eite 1420 Ch 6115 AD H mak 8112 9014 SE P site o Q ZAZI 25 7012411 s 5 2 fe 10242 LINN eJI 20 TO 231 SD 2820 150 T020 94
42. have been trained to properly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician 2 EXPLODED VIEWS AND PARTS LIST 2 1 PACKING NOTE KEH 3930R 3900R Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjacent to V mark on the product are used for disassembly 1 PACKING SECTION PARTS LIST Mark No Description Part No Mark No Description Part No 1 Cord Assy CDE6100 11 Protector CHP2244 2 Accessory Assy CEA1917 12 1 Owner s Manual CRD3122 3 Screw CBA1304 12 2 Owner s Manual CRD3123 4 Handle CNC5395 12 3 Installation Manual CRD3124 5 Bush CNV3930 12 4 Passport CRY 1013 6 Polyethylene Bag E36 615 12 5 Warranty CRY1157 7 Polyethylene Bag CEG 162 12 6 Polyethylene Bag CEG1116 8 Carton See Contrast table 2 13 Case Assy CXB3520 9 Contain Box See Contrast table 2 10 Protector CHP2243 2 CONTRAST TABLE KEH 3930R X1M EW and KEH 3900R X1M EW are constructed the same except for the following Part No PartNo 1 Mark No Symbol and Description KEH 3930R X1M EW KEH 3900R X1M EW 9 Contain Box CHL3844 CHL3843 Owner s Manual
43. nator 3 648MHz CSS1447 AR 945 DSP 201M S00B IC 901 IC TPD1018F Q 350 Transistor 2SC2412K Q 351 Transistor DTC124EK RESISTORS 112 2 R R51 108272 R 313 RS1 10S272J O 412 Transistor 2SC2412K R 314 51 105 151 R 315 RS1 10S151J O 472 Transistor RN1610 R 316 RS1 108221 Q 474 Transistor 2SD1757K FEO TUUM R RS1 109221 R 318 RD1 4PU104J O 477 Transistor DTA124EK R 319 RD1 4PU104J R 350 RD1 4PU223J O 650 Transistor 2SA1037K R 351 RD1 4PU152J O 901 Transistor 2SC2412K 11 SR R362 RD1 4PU103 R 353 RD1 4PU153J O 904 Transistor 2SD2396 R 354 RD1 4PU221J R 355 RD1 4PU101J Q 905 Transistor 2SB1243 R 356 RD1 4PU152J O 906 Transistor DTC114EK O 920 Transistor RN46A1 H 357 RD1 4PU103J Q 951 Transistor 2SA1037K R 358 RD1 4PU223J D 350 Diode HZS9L A2 IE H 411 RS1 10S681J 199270 R 412 RS1 10S681J D 352 Diode 1SS270 GE 3 e LE R 413 RS1 10S681J R 414 RS1 10S103J D 650 Diode 1SS270 415 51 105681 R 416 RD1 4PU473J D 651 Diode 155270 R 417 RS1 10S472J D 652 Diode 1SS270 EK E om egen H 419 RS1 10S473J D 655 Diode 1SS270 R 420 51 105473 H 421 RD1 4PU473J D 902 Diode S5688G D 94 Diode HZS7L A1 R 423 RD1 4PU681J R 424 RD1 4PU681J D 905 Diode S5688G R 425 51 105393 R 426 RS1 108681J D 906 Diode HZS6L B2 R 427 RD1 4PU222J D 907 Diode HZS9L C1 EK E R o RD 1490222 R 430 RS1 10S474J D 951 Diode 1SS270 431 RS1 10S153J R 440 RS1 10S681J D 952 Diode 1SS270 R 441 RD1 4PU102J L 401 Ferri Inductor LAU
44. ng EBH1531 51 Lever Unit EXA1587 7 Spring EBH1624 52 Gear Unit EXA1588 8 Spring EBH1625 53 Motor Unit Service EXX1055 9 Spring EBH1626 54 Washer HBF 179 10 Spring EBH1627 55 Screw CBA1250 11 Spring EBH1628 56 Bracket ENC1542 12 Cord EDD1024 13 Photo reflector EGN1 EGN1004 14 Arm ENC1526 15 Lever ENC1530 16 Lever ENC1531 17 Arm ENC1532 18 Frame ENC1533 19 Holder ENC1534 20 Gear ENC1535 21 Arm ENC1536 22 Roller ENR1040 23 Belt ENT1027 24 Collar ENV1508 25 Arm ENV1539 26 Arm ENV1540 27 Gear ENV1544 28 Gear ENV1547 29 Gear ENV1548 30 Worm Wheel ENV1550 31 Lever ENV1551 32 Flywheel ENV1554 33 Gathering PCB ENX1054 34 Switch S1 S2 ESG1007 35 Deck Unit EWM1023 36 Plug CN251 CKS3540 37 Gathering PCB ENX1053 38 Motor Unit M1 EXA1491 39 Motor EXM1028 40 Head Assy HD1 EXA1592 41 Motor Unit M2 EXA1580 42 Screw BMZ20P022FMC 43 Bracket ENC1528 44 Chassis Unit EXA1582 45 Pinch Holder Unit EXA1584 KEH 3930R 3900R A KEH 3930R 3900R 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 1 BLOCK DIAGRAM TUNER AMP UNIT E FM AM TUNER UNIT FM FRONT END FM AM 1ST IF 10 7MHz CN401 03 T51 051 CF51 CF52 CF53 A MPX ANTENNA JACK 1 27 ms 25 24 2 2 PM4008A 6 69 33 41 441 11 12 13 46 gt gt a zz u sa COMP z LE MIXER IF AMP DET T SES IC 1 re ER e mn II 75 EEPROM 5 4 BR9010FV DECODER zl a GS SPS IC 701 Hj Z lt
45. x 50 H x 155 D mm front face 188 W x 58 H x 19 D mm KE sayanan Sas 1 2 kg Amplifier Maximum power Output 40 W x4 Continuous power output 22 W x4 DIN45324 B 14 4 V Load impedance 4 4 8 Q allowable Tone controls 12 dB 100 Hz Tre 12 dB 10 kHz Loudness contour 10 dB 100 Hz 7 dB 10 kHz volume 30 dB Cassette player EE Compact cassette tape C 30 C 90 Tape speed 4 76 cm sec 0 14cm sec 0 05cm sec Fast forward rewinding time Approx 100 sec for C 60 Wow saag RS d 0 09 WRMS Frequency response 30 16 000 Hz 3 dB SEO SEP ON eee 45 dB Signal to noise 61 dB network FM tuner Fenn TA PE es 87 5 108 MHz Usable sensitivity 11 dBf 1 0 uV 75 Q mono S N 30 dB 50 dB quieting sensitivity 16 dBf 1 7 UV 75 mono Signal to noise ratio 70 dB IEC A network Distortion 0 3 at 65 dBf 1 kHz stereo Frequency response 30 15 000 Hz 3 dB Stereo separation 40 dB at 65 dBf 1 kHz MW tuner FEeOUETIO Falle seer 531 1 602 kHz Usable sensitivity
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