SERVICE MANUAL - cheesefactory.us
Contents
1. DISCHAGE GND NC NC NC NC BT MANU C S CHA VHA VLA 100 CH CHIP T1 BOARD 1 201 M51348AFP 63 GND SIF NT 1201 BCH 003 45 75MHZ E VDL DC F B UN2210 TX FM DET IN SIF IN R233 VIF SIF DET CP LIMITER OUT 9 SIF oe Q201 0 82uH D 2503837 1460 FR cp CHIP 216 229 R234 2 8 ache VIDEO OUT IF IN REF COIL IF IN TI 81004 1003 REF COIL Vcc VIF EE Be 2SB709A R 2 SR AFT COIL RF AGC DELAY SYNC SEP IN RF AGC OUT SYNC OUT AGC FILTER II Fy IF AGC ADJ 1 AGC FILTER I 0010 1115 B YS810904 U T1 G T 0011 0 4215 0012 2210 sige 16 T1 BOARD IC VOLTAGE LIST Volt Pin Volt 001 210 22 23 227 24 2 1 2 5 25 26 1 7 27 3 8 ETE 29 GND T1 BOARD TRANSISTOR VOLTAGE LIST GU08 0 37 GND 0203 0 3 5 GND 11121314 516 0002 0 17 22 295 1 7 22 247 T1 BOARD 2 2 ELECTRONIC VIF SIF2. B Board 1 2 3 4 5 BOARD IC VOLTAGE LIST B BOARD Pin vot Vot Volt 301 1 30 24 42 D301 3 401 24 0302 B earn 06 2 0 0303 3 308 16 8505 SONY 04071 4 3 08 0401 3 s RAN 407 8406 S CAIS we 4 0 8 27 0 9 D403 F4 28 09 0404 6 27 29 09 0405 Bog E dk 2 8 2 8 31 0 3 9 33 Em 11128 10 19 33 GND L 12 3 1_ 11 39 34 1 8 13 GND 12 3 9 35 1 1 0 2 13 0 36 0 Q303 16 0402 161 0403 0406 0 40 0 Q407 B 5 D 0408 C3 42 0 VARIABLE 21 34 20 20 43 3 5 KARN 44 R 2320 22 GND RV301 2 n TL gt CN301 C416 3d T ME BOARD TRANSISTOR VOLTAGE LIST F Be E Q302 Q303 Q402 0403 21 0 GND 0408 0 38 lt Conductor Side gt 11121314 5 6 Q406 Q407 18 0 65 18 18 13 3 26 4 5 SEMICONDUCTORS A71 2980 4 VIEW 44 5707 TOP VIEW 32 pin QFP M51348AFP M52042FP VIEN 24 pin SOP NJM2070M 9765 1234 8 pin SOP 0 2110 UN211D UN2210 UN2215 UN5210 2SB709A 25C3837KQ 250601 4215 i S 1 4601 5 01 15 5 0
3. 1 1 11 10 0 LCD UNIT FP401 O E E pi EI 5 L wn wn noo N SOO gt 2 2 000 gt gt gt 320 0 0 22 000 0 ag gt gt S20 0 0 52 0222 21111113 um 9 9 INT aN ok 585 55 22 B Sis Su 22 Lo 2 coco e 2955 mad a e gt Zo 28 Ss x ona 2 me Sem 1 lt 9 4 2 5 gt gt Sae 9 0 0401 155355 4 5 21996551 9074 MONITOR CONTROL Y C JUNGLE 110 5 1598109 0 BOARD CN601 5510904 lt 0 gt 02 24 00 CHROMA LCD INTERFACE
4. ___ __ _ _ _ 1 Pal rope append ie marma poor auibertiy ee ia LLL 14 Owner s Record mashi arid eee note arv eed Lee mar Bee ee iarba Pes Fees Pd upon Sorry hhe prii 1 222 SECTION 2 DISASSEMBLY 2 1 CABINETS Remove the battery cover 8 2 Push two claws with a screwdriver or equivalent on the bottom and ONO rear cabinet While pushing the rear cabinet remove claws of joints with Insert a screwdriver or equivalent to the gap on the upper side of the Remove the channel button 2 screw PTP2X6 Disconnect CN501 for speaker on the A board Remove the board 3 and the A board 4 Remove solder for the lead wire BLK Remove a screw PTP2X6 6 secured the board 0 Release the T1 board from two claws right and left on the rear cabinet remove them 1 front cabinet 2 channel button claw the front cabinet cabinet and while pushing the lock spring put it down to the rear cabinet side lead wire BLK A 27 front cabinet a claw lock spring bat
5. Y on a flat ETN 8 01 CAL HF To EXT ANT 1 EXT ANT a EXT ANT EXT ANT 13 eternal modera cable nct Cable dain externe 7 non fourre Cable de anten externa de 750 knl LD indoor amies int rieure Antena de du REL per o a External Antenna Connection see fig Comic 7541 arenis cable supplied n the WARNING To prevent fire or shock hazard do not expose the unit to rain or moisture ibr gem paag naren bir eran n iur pruhatucm imam pma Til cede ami T TELE UD FER alae k fe pra Uo ee C oL ES NUUEEO ie E ads aue bee eee ol opera ng FEITLChWT IBHu ere m a eo Lh ire 15 45 FLL Hue la 117 Theta ee eee eel CO Wir devire accept amp mar Led
6. Cathode as follows Common Anode Cathode Common Pitch 5mm Rating electrical power 4W e TEM nonflammable resistor Anode B Anode a Iwv Ll fusible resistor Common e A internal component Anode Anode 1 designation and adjustment for repair Common All variable and adjustable resistors have characteristic curve unless otherwise Cathode Cathode noted Common gt earth chassis Cathode Cathode Anode Diode Anode Anode As to the voltage volue shown by the semiconductors on the Shematic Diagram Cathode Anode see the another list Readings taken with color bar signal input Readings are taken with a 10MQ digital multimeter Voltages are dc with respect to ground unless otherwise noted Voltage variations be noted due to normal production tolerances All voltages are lt lt lt lt lt lt lt lt lt lt lt lt lt lt Circled numbers waveform references Transistor Dian Transistor Drain Source FET Transistor
7. gt NJM2070M TE2 lt JACK gt JACK SMALL 0 JACK DC POLARITY UNIFIED TYPE DC IN 4 5V lt COIL gt INDUCTOR INDUCTOR 100WH lt TRANSISTOR gt TRANSISTOR UN2215 QRS TX TRANSISTOR 2SD601A R TX TRANSISTOR 2SD601A R TX TRANSISTOR 2SD1119 Q TX TRANSISTOR 2SB709A R TX TRANSISTOR 2SC2873Y TEI2L TRANSISTOR 2SC2873Y TEI2L lt RESISTOR gt RES CHIP 10K 5 RES CHIP 100K 5 RES CHIP 82K 5 RES CHIP 4 7 5 RES CHIP 470 5 RES CHIP 470 5 RES CHIP 390 5 RES CHIP 120K 5 RES CHIP 10K 5 RES CHIP 2 2 596 RES CHIP 47K 5 RES CHIP 47K 5 RES CHIP 22 5 RES CHIP 330 5 RES CHIP 100 5 RES CHIP 47K 5 RES CHIP 100 5 RES CHIP 2 2K 5 RES CHIP 330 5 RES CHIP 560 5 1 LOW 1 LOW 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 LOW 1 10W 1 10W 1110 1 10W 1 10W 1 10W 1 10W components identified by shading and mark A are criti cal for safety Replace only with part number specified REF PART NO DESCRIPTION REMARK R614 1 216 085 91 RES CHIP 33K 5 110 R615 1 216 073 91 RES CHIP 10K 5 R616 1 216 073 91 RES CHIP 10K 5 R617 1 216 021 00 RES CHIP 68 5 110 R701 1 216 186 00 RES CHIP 330 5 8 lt VARIABLE RESISTOR gt RV450 1 223 901 21 RES VAR 50K BRT RV501 1 223 900 21 RES VAR 10K VOL RV601 1 223 581 11 RES ADJ CARBON 220 4 5V lt SWITCH gt S001 1 571 532 21 SWITCH TACTIL CH S002 1 571 532 21
8. 1 126 794 11 1 163 007 11 1 164 004 11 1 163 021 91 1 163 021 91 1 163 038 91 1 163 011 11 1 126 794 11 1 115 866 11 1 126 514 11 1 126 514 11 1 126 514 11 1 126 513 11 components identified by shading and mark A are criti cal for safety Replace only with part number specified DESCRIPTION RES CHIP 5 6K RES CHIP 10K RES CHIP 180K RES CHIP 470 RES CHIP 22K lt VARIABLE RESISTOR gt 5 5 5 5 5 RES ADJ CARBON 47K CHANNEL DISPLAY POSITION 13ch RES ADJ CARBON 47K CHANNEL DISPLAY POSITION Ich RES ADJ CARBON 100K CHANNEL DISPLAY POSITION 12ch RES ADJ CARBON 1K RF AGC lt SAW FILTER gt FILTER SAW lt TRANSFORMER gt TRANSFORMER BALUN COIL COIL lt TUNER gt lt CAPACITOR gt ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT ELECT ELECT ELECT ELECT TUNER UNIT A 1136 215 A B BOARD COMPLETE KK K K K K K K K K K K 4 15 180 0 1uF 0 033uF 680 0 1uF 0 01 0 01 0 1uF 0 0015uF 4 22uF 22uF 22uF 47 20 5 5 10 10 20 10 10 10 10 10 20 20 20 20 20 20 6 3V 50 50 23y 25V 25V 50V 25V 50V 50V 25V 50V 25V 35V 6 3V 65V 6 3V 6 3V CN301 0301 0302 0303 0401 0403 0404 0405
9. 5 BUFFER 30V 0401 T BET BUFFER VDG A RV450 Q402 VDR 18 1 EEUU VDG 35 1 VDR 34 1 VDB 167 1 T 32 C VS2 18 1 4701 1 052 312 1 0701 POWER SUPPLY LCD BACK LIGHT HEADPHONE p 22 B Y C JUNGLE MONITOR CONTROL Y C JUNGLE MONITOR CONTROL 4 3 CIRCUIT BOARDS LOCATION M M O Note The symbol display is on the component slde The components identified by shading and mark are critical for safety Replace only with part number ee ey ee ee ee specified The symbol indicate fast operating fuse Replace only with fuse of same rating as maked Terminal name of semiconductors in silk screen printed circuit Printed symbol Collector 1 Transistor Base M Emitter Collector 2 Transistor Base Emitter Oe Cathode Anode 4 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Anode NC ee gt gt gt Note Cathode e Capacitors without voltage indication are all 50V inode NC All resistors are in ohms 10000 MQ 1000kQ Indication of resistance which dose not have one for rating electrical power is Anode
10. T1 Board A 1391 144 A S5 SN SA E 1 681 980 11 Aq las pes 2022 5 r 001 8 005 RVOO4 8002 ua 25 57 VEO 82248210 z i 4029 5 S 8242 EJA R205 en 5 IKE 19 8208 220 SEN e 9 22 1 0008 gt c o m wn 12001 3 T Pu lt Component Side gt CN201 EE T e Quis ate Jui X x _ ena 3 70 SONY m3 2 JL68 5 5 7 5 5 C220 215 12204 per F a E End 75 80105008 24 11 dh C402 Q20T R218JL26 F MB LB HB UB AGC ANT lt Conductor Side gt 18 5 1501 _ 2 S CN501 4 2P ii POWER SUPPLY B 2 LCD BACK LIGHT 9913 CHIP ie HEADPHONE AMP HP 45V 4 AUDIO t T0 s 5 T1 BOARD mals CN201 8 001 vro fel di A GND 10
11. 2 CONNECTOR BOARD TO BOARD 12 CONNECTOR BOARD TO BOARD 12P lt DIODE gt DIODE 157 DIODE MA8043 M TX DIODE 5 01 15 10 20 10 20 20 20 10 10 5 5 20 10 20 10 10 10 20 10 20 5 5 50 6 3V 50 16 6 3V 25V 25V 10V 25V 25V 50 50 50 50 50 16 50 50 50 16 50 6 3V 50 2 25 Oo D603 D604 D605 D701 8 719 938 75 8 719 018 15 8 719 988 61 8 719 210 21 The components identified by shading and mark A are criti cal for safety Replace only with part number specified DIODE 5 05 05 DIODE MA8360 TX DIODE 155355 17 DIODE 11 0504 lt FUSE gt F601 1 533 631 31 FUSE MICRO 125V 501 501 J701 L601 L701 Q401 Q601 Q602 Q603 Q610 Q701 Q702 028 450 451 501 504 505 506 509 510 513 601 R602 R603 R604 R605 R608 R610 R611 R612 R613 8 759 046 84 1 563 282 11 1 568 907 21 1 412 031 11 1 408 615 31 8 729 902 99 8 729 422 29 8 729 422 29 8 729 421 15 8 729 216 22 8 729 807 51 8 729 807 51 1 216 073 91 1 216 097 11 1 216 095 00 1 216 308 00 1 216 041 00 1 216 041 00 1 210 039 00 1 210 099 00 1 216 073 91 1 216 298 00 1 216 089 91 1 216 089 91 1 216 009 91 1 216 037 00 1 216 025 11 1 216 089 91 1 216 025 11 1 216 057 00 1 216 037 00 1 216 043 91 lt
12. CF201 7 CHARGE SET DISCHARGE 40 INV SWITCH 0003 004 0 0 RETURN 44 5V co CIRCUIT RV001 CHANNEL DISPLAY 18 POSITION CH13 DISPLAY POSITION BAR 22 ADJUST OUTPUT UP DOWN SW CHANNEL DISPLAY RV002 gt POSITION CH v Low CHANNEL DISPLAY RV004 gt POSITION CH12 1 TUNER VIF SIF DET 4 2 BLOCK DIAGRAM 2 2 2 22 22 2 MONITOR CONTROL CN502 CN601 CN301 T 3 H P e 10501 AUDIO vec gt AUDIO PN 2 501 4501 0 1 3 SPEAKER AUDIO TO T1 BOARD CN201 VIDEO VIDEO LCD MONITOR H SYNC 7 a IND SWITCH Q408 10301 Y C JUNGLE Ey F601 lt lt RV601 lt m B lt gt lt TE o 4 5V 4 5 O VCXO OUT S001 5002 X301 402 3 58
13. DIODE lt IC gt 52042 600 71 2980 lt TRANSISTOR gt 17 5210 2SB709A R TX 2SD1819A R TX UN2215 QRS TX XP4601 TXE TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR XP4601 TXE UN5210 TX TRANSISTOR TRANSISTOR lt RESISTOR gt SHORT 0 RES CHIP 470 RES CHIP 3 3K RES CHIP 47 RES CHIP 5 5 5 5 1 10W R307 R308 R309 R310 R311 R312 R313 R314 R315 R316 R317 R318 R320 R322 R323 R324 R401 R402 R403 R404 R405 R406 R407 R408 R409 R410 R411 R412 R413 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R427 R428 R429 R430 R431 R436 RB401 RB402 RB403 RB404 RB405 290 1 216 089 91 1 216 073 91 1 216 001 00 1 216 093 91 1 216 101 00 1 216 043 91 1 216 113 00 1 216 097 11 1 216 081 00 1 216 107 00 1 216 065 91 1 216 689 11 1 216 053 00 1 216 695 11 1 216 129 00 1 216 073 91 1 216 025 11 1 216 025 11 1 216 017 91 1 216 025 11 1 216 093 91 1 216 045 00 1 216 057 00 1 216 057 00 1 216 093 91 1 216 689 11 1 216 121 11 1 216 081 00 1 216 081 00 1 216 081 00 1 216 081 00 1 216 017 91 1 216 065 91 1 210 053 00 1 216 073 91 1 216 049 11 1 216 073 91 1 216 073 91 1 216 069 00 1 216 059 00 1 216 049 11 1 216 089 91 1 216 061 91 1 216 295 91 1 216 085 91 1 216 073 91 1 236 416 11 1 236 416 11 1 236 416 11 1 236 416 11 1 236 416 11 DE
14. 1 DEF VHE LHF tu VHF or UHF y vou watch the CH docket chars gels 3 the alme with te VL dial p M 4 e brightness qn 3 palit off the Set the ORFS WHE UF eich anprove the broadcast reception Extend the sep move Che uret in every dimection Monee etree pel Hoe Ea p automa rom bor abbas comam frr repair D 1 There may Ge pace the Falluver mp reim the bres er Sind qr all a iie a Erain of eX iher there strong mierienimoce guzh kigh Sar a ling er oF under the In the uederground shopping centers turimels or kd fulktirgs Listening with headphones Conese headphones Wer supriadi i the C1 Chew phones jack The snd heard rom boih sudes o4 pies theo aired is How to use the toe TY around your neck can cta lengt of Ihe Pg ie i Tou can suspend or place
15. IC301 IC401 Q302 Q303 Q402 Q403 Q406 Q407 0408 R301 R303 R304 R305 R306 PART NO 1 163 021 91 1 164 004 11 1 164 004 11 1 164 005 11 1 164 005 11 1 163 251 11 1 163 251 11 1 126 382 11 1 163 038 91 1 164 004 11 1 163 229 11 1 163 229 11 1 163 009 91 1 163 009 91 1 163 009 91 1 126 794 11 1 163 038 91 1 163 021 91 1 163 009 91 1 779 896 11 8 719 988 61 8 719 422 37 8 719 422 37 8 719 988 61 8 719 988 61 8 719 988 61 8 719 988 61 8 759 332 41 8 759 368 68 8 729 420 44 8 729 216 22 8 729 402 32 8 729 902 99 8 729 427 74 8 729 427 74 8 729 420 44 1 216 295 91 1 216 041 00 1 216 061 91 1 216 089 91 1 216 121 11 DESCRIPTION CERAMIC CHIP 0 01uF 10 CERAMIC CHIP 0 1uF 10 CERAMIC CHIP 0108 10 CERAMIC CHIP 047 CERAMIC CHIP 047 CERAMIC CHIP 100pF 5 CERAMIC CHIP 100pF 5 ELECT 1005 20 CERAMIC CHIP CERAMIC CHIP 0108 10 CERAMIC CHIP 12 5 CERAMIC CHIP 12pF 5 CERAMIC CHIP 0 001 10 CERAMIC CHIP 0 001 10 CERAMIC CHIP 0 001 10 47uF 20 CERAMIC CHIP 0 1uF CERAMIC CHIP 10 CERAMIC CHIP 0 001 10 lt CONNECTOR gt 50 25 25V 25V 25V 50V 50V 6 3 V 25V 25V 50V 50V 50V 50V 50V 25V 25V 50V 50V CONNECTOR BOARD TO BOARD 12P lt DIODE gt 155355 17 8051 8051 155355 17 155355 17 DIODE DIODE DIODE DIODE DIODE 155355 17 155355 17 DIODE
16. SWITCH TACTIL S601 1 762 368 11 SWITCH SLIDE OFF VHF UHF lt TRANSFORMER gt T601 1 431 580 11 TRANSFORMER DC DC CONVERTER T701 1 427 918 11 TRANSFORMER CONVERTER MISCELLANEOUS KK KK KK KK K KK K 1 504 847 11 SPEAKER 2 8cm 1 517 702 11 LIGHT BACK 1 754 205 11 ANTENNA STRAP 1 803 293 11 MODULE INDICATOR NTSC ACCESSORIES KKK KKK KK K K K K K 4 083 376 11 MANUAL INSTRUCTION 33 FDL PT222 A 222 Ichinomiya English 9 965 300 01 Quality Assurance Division 2234
17. 06 0001 0002 0003 0004 0007 0010 0011 0012 0201 0202 29 All variable and adjustable resistors have characteristic curve B unless otherwise noted 1 527 943 00 1 760 642 11 1 577 559 21 1 785 361 11 8 719 801 78 8 719 800 76 8 759 332 43 8 759 176 91 1 568 027 21 1 412 953 11 1 412 938 11 1 412 939 11 8 729 216 22 8 729 402 84 8 729 424 76 8 729 424 38 8 729 424 45 8 729 403 45 8 729 422 54 8 729 424 76 8 729 031 37 8 729 216 22 FDL PT222 e CAPACITORS PF uu F There are some cases the reference number on one board overlaps on the other board Therefore when ordering parts by the reference number please include the board name DESCRIPTION FILTER CERAMIC TRAP DISCRIMINATOR CERAMIC FILTER CERAMIC CONNECTOR CONNECTOR BOARD TO BOARD lt DIODE gt DIODE 152 DIODE 157 lt IC gt 5707 51348 1 lt JACK gt JACK SMALL TYPE EXT ANT lt COIL gt INDUCTOR INDUCTOR INDUCTOR 15uH 0 82uH lt TRANSISTOR gt TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR 2SB709A R TX XN4601 TW UN2210 TX UN2110 TX UN211D TX TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR XN1115 TX XN4215 TW UN2210 TX 2SC3837KT146Q 2SB709A R TX FDL PT222 Q203 R001 R002 R003 R004 R005 R008 R009 R010 R011 R012 R013 R014 R016 R017 R018 R021 R022 R023 R029
18. 2 Receive the stepped waveform signal in 10 steps Observe the waveform across JL83 G and JL67 GND Check the contrast changes by turning RV402 Connect an oscilloscope between JL84 AUTO CB and JL67 D GND and adjust RV402 so that the voltage of A portion becomes 2 2 0 2 5 Check the waveform as shown in Fig 3 5 6 At the same time check the points C and D are within the period as shown in Fig 3 5 2 3 4 100 IRE Contrast changes JL84 A 2 2 0 2VDC Fig 3 5 COLOR PHASE TINT ADJUSTMENT RV301 1 Receive the color bar signal from the signal generator 2 Observe the waveform across JL81 B and JL67 D GND 3 Adjust RV301 TINT so that the waveform level becomes as shown in Fig 3 6 Fig 3 6 4 DIAGRAMS 4 1 BLOCK DIAGRAM 1 BALUN T101 CN201 T STRAP VHF ANTENNA 0201 VIF SIF DET IF FILTER 6 gt 4 IF LLD AGC OUT VIDEO 9 REE COIL TUNER CONTROOL 8 RV201 5 am fT m janie OUTPUT CONTROL BAND 27 SELECT SIGNAL FH SWITCH INV DEFECT 9 0005 0205 702 FM DET LIMITER SYNC SYNC SYNC 15 23 SEP CF203 2 AUDIO MPARATOR AFT VIDEO DETOUT VIDEO BUFFER E 07 18 202 0007 AFC SWITCH AFT h AFT COIL SYNC SEP 0 22 lt e gt
19. 5 05 4 gt 2 Pac d 8043 8051 8360 155355 ANODE CATHODE 25 287 2501119 0 CATHODE 3 gt B ANODE 2601819 97 NOTE e Items with no part number and description are not stocked because they are seldom required for routine service e The construction parts of an assembled part are indicated with a collation number in the remark column 5 1 CHASSIS SECTION 7 685 104 19 P 2x6 SECTION 5 EXPLODED VIEW Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The components identified by shading and mark are critial for safety Replace only with part number specified REMARK 14 4 561 097 01 INSULATING SHEET 2 15 1 693 467 11 TUNER UNITPLETE 16 1395 039 BOARD COMPLETE 1 4 561 075 51 2 4 561 076 01 SWITCH POWER 3 4 561 093 03 BUTTON CHANNEL 4 4 561 090 01 SHIELD PANEL 5 1 803 293 11 MODULE INDICATOR NTSC 17 4 561 081 01 18 4 561 080 01 6 4 048 325 01 ILLUMINATOR 19 4 561 079 01 7 A 1136 215 AB BOARD COMPLETE 20 4 561 078 02 8 1 517 702 11 21 1 504 847 11 9 3 703 044 26 LABEL CAUTION A 1299 522 A BOARD COMPLETE 22 4 561 130 01 12 4 561 096 01 INSULATING SHEET 23 4 561 077 01 13 4 561 091 01 SHIELD TU 24 1 754 205 11 28
20. CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP ELECT ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT 4 1uF 560 0 01 0 001 0 47 1OUF 100 470 0 01 0 001 10uF 2 10pF 0 01 0 01 0 01 0 01 0 01 0 01uF 3 3uF 10uF 0 01 0 01 0 01uF 0 01 0 01 0 01uF 0 001 22uF SECTION 6 ELECTRICAL PARTS LIST e Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items RESISTORS All resistors are in ohms F nonflammable 2096 2096 5 20 10 25 6 3V 50 6 3V 50V 25V 50V 25V 16V 16V 10 20 25V 50V 25V 25V 16V 5 10 10 50V 50V 25V 50V 16V 10 20 5 50 0 50pF 50V 10 50 10 50 10 50 10 10 20 10 20 50V 50V 6 3V 50V 50V 20 20 10 10 10 16V 50V 50V 50V 50V 10 10 10 10 20 50V 50V 50V 50V 6 3V CF201 CF202 203 CN201 0001 0002 1 001 1201 7101 1201 L205 L2
21. Coll C612 C613 C614 C615 C616 C617 C619 C701 C702 C703 C704 CN501 1 223 588 11 1 223 588 11 1 567 505 11 1 760 601 21 1 163 021 91 1 126 382 11 1 163 017 00 1 126 791 11 1 126 382 11 1 163 038 91 1 164 222 91 1 126 382 11 1 163 038 91 1 164 004 11 1 163 017 00 1 163 251 11 1 163 259 91 1 126 795 11 1 163 021 91 1 128 499 11 1 163 021 91 1 163 021 91 1 163 021 91 1 128 499 11 1 163 021 91 1 126 382 11 1 136 169 00 1 109 879 11 1 163 038 91 1 568 951 11 601 1 770 605 11 CN602 1 770 605 11 D406 0601 0602 8 719 800 76 8 719 421 82 8 719 989 93 DESCRIPTION lt VARIABLE RESISTOR gt RES ADJ CARBON 47K TINT RES ADJ CARBON 47K CONTRAST lt CRYSTAL gt OSCILLATOR CRYSTAL 3 58MHz VIBRATOR CRYSTAL 4 5MHZ lt CAPACITOR gt CERAMIC CHIP ELECT CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP ELECT FILM CERAMIC CERAMIC CHIP lt CONNECTOR gt 1299 522 A BOARD COMPLETE K K KK K KK K K K K K K K K K K 0 01 0 0047 100uF 0 22UF 0 1uF 0 1uF 0 0047 100 220 1OUF 0 01 UF 220uF 0 01 0 01 0 01 220uF 0 01 0 22uF 22pF
22. EEP MARKER GENERATOR fo 45 75MHz 5kHz 750 6dB Fig 3 1 ADJUSTMNT 1 Connect an oscilloscope between JL72 VIDEO and JL71 A GND and apply external voltage MGC to JL26 to obtain a waveform as shown in Fig 3 2 make sure not to clip the extremely short portion Adjust T202 so that po sition at 45 75 MHz is the lowest point Note Align JL51 MGC external voltage for approximately 1 0 Vp p Make sure that the JL51 MGC external voltage does not exceed 4 3VDC 2 Remove the external voltage MGC from JL51 3 Connect an oscilloscope between JL31 AFT and JL30 D GND and make a coarse adjustment of T201 so that wave form is close to zero at the 45 75 MHz position 4 Remove the 1 kilohm resistor connected between JL77 4 5 and JL28 RF AGC 45 75 2 Fig 3 2 222 FINE ADJUSTMENT T201 1 Connect a 1 kilohm resistor between JL77 44 5 and JL28 RF AGC Note Perform this adjustment as the last step in the process since drift may occur due to aging 2 Switch the sweep signal to CW fo 45 75 MHz 5 kHz 30 5dBm Apply the above signal between JL26 and 27 GND and then make a fine adjustment of T201 so that the level be tween JL31 AFT and JL30 D GND reaches2 2V 0 4VDC 3 Remove the kilohm resistor connected between JL77 4 5V and JL28 RF AGC RF AGC ADJUSTMENT RV201 1 Set S601 to VHF position and receive a VHF color bar signal issu
23. EMBLY NENNT 5 252 6 3 CIRCUIT ADJUSTMENTS 7 4 DIAGRAMS 4 1 Block Diagram D 9 4 2 Block Diagram 2 11 4 3 Circuit Boards Location 14 4 4 Printed Wiring Boards and Schematic Diagrams 14 LM CS COMOROS 15 Board 19 2 225 27 5 EXPLODED VIEWS 5 1 Chassis Section saseisecnedsiesseceatennnevsstnscdsowssieevebaveasseterneenes 28 6 ELECTRICAL PARTS LIST 29 CAUTION SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE AN ODE CAP TO THE METAL CHASSIS CRT SHIELD OR CARBON PAINT ED ON THE CRT AFTER REMOVING THE ANODE WARNING AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY SER VICE TO AVOID POSSIBLE SHOCK HAZARD BECAUSE OF LIVE CHAS SIS THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED TO THE AC POWER LINE SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY SHADING AND MARK A ON THE SCHE MATIC DIAGRAMS EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY CIRCUIT ADJUSTMENTS THAT ARE CRITICAL TO SAFEOPERATION ARE IDEN TIFIED IN THIS MANUAL FO
24. ES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP 100K 100K 68K 47K 150K 270K 33K 2 2 10 330K 56K 39K 39K 18K 100K 100K 27K 470 82K 2 2K ATK 10K 100 680 220 100K 1 8K 680 1 8K 33K 680 10K 10 1 2 23 390 47 15 4 7K 3 3K 10K 8 2K 10 10 100 12 596 596 5 5 5 0 5 0 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 1OW 1 10W 1 10W 1 LOW 1 10W 1 10 1 LOW 1 10W 1110 1 LOW 1 LOW 1110 1 10W 1 10 1 LOW 1 10W 1110 1 10W 1110 1 LOW 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1110 1 10 1110 1 10W 1 10W 1 10W 1 10W 1 1OW 1 10W 1 10W 1 10W 1 LOW 1 10W 1 1OW 1 10W 1 10W 30 235 240 241 242 243 001 002 004 201 SWF201 101 T2DI 1202 101 1 693 467 11 C301 C302 C303 C304 C306 C307 C308 C309 C310 C311 C312 C313 C314 C402 C403 C405 C406 C407 1 216 067 00 1 216 073 91 1 216 103 00 1 216 041 00 1 216 081 00 1 223 588 11 1 223 588 11 1 223 589 11 1 223 583 11 1 767 766 12 1 437 418 21 1 411 278 11 1 411 278 11 1 126 513 11 1 163 231 11 1 163 257 11 1 164 004 11 1 163 989 11
25. LLOW THESE PROCEDURES WHENEV ER CRITICAL COMPONENTS ARE REPLACED OR IMPROPER OPERA TION IS SUSPECTED SECTION 1 GENERAL The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual The page numbers of the Operating Instruction Manual remain as in the manual Part no 4 083 376 11 Power Sources see fig Alkaline Batteries Sony alkaline 1 Push aed dide the battery ccreer deer px ballerkes spe Ho depart thee 1 3 polarity of each haiterv lirat as Battery Life With ue Sem Li akalira will lk about 14d DC iN 454 adi Motes When the gt dir er tong chee beck 10 outlet enin a meia all the haieri wiih cras wen le prise murale TV and remareg the bathers from thr ani und Ee eura Te aii hw ueni for lng fene o asia banery Alben ure kr ban the mi House Current ss fig 8 of the pl Like ony the momendid AL For ther poturity of be plug see Polundad dal enchule aaa Belo ll eae eee Operation see fig E 4
26. R030 R031 R032 R046 R047 R101 R201 R202 R205 R206 R208 R209 R210 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R223 R224 R225 R226 R228 R229 R230 R231 R233 R234 8 729 424 76 TRANSISTOR UN2210 TX 1 216 097 11 1 216 097 11 1 216 093 91 1 216 089 91 1 216 101 00 1 218 762 11 1 216 687 11 1 216 298 00 1 216 073 91 1 216 109 00 1 216 091 00 1 216 689 11 1 216 689 11 1 216 079 00 1 216 097 11 1 216 097 11 1 216 083 00 1 216 295 91 1 216 041 00 1 216 295 91 1 216 095 00 1 216 057 00 1 216 089 91 1 216 073 91 1 216 025 11 1 216 045 00 1 216 033 00 1 216 097 11 1 216 055 00 1 216 045 00 1 216 055 00 1 216 085 91 1 216 045 00 1 216 073 91 1 216 049 11 1 216 001 00 1 216 051 00 1 216 061 91 1 216 021 00 1 216 039 00 1 216 017 91 1 216 049 11 1 216 049 11 1 216 053 00 1 216 065 91 1 216 061 91 1 216 073 91 1 216 071 00 1 216 001 00 1 216 001 00 1 216 025 11 1 216 051 00 lt RESISTOR gt RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP SHORT RES CHIP SHORT RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP R
27. SCRIPTION RES CHIP 47K RES CHIP 10K RES CHIP 10 RES CHIP 68K RES CHIP 150K RES CHIP 560 RES CHIP 470K RES CHIP 100K RES CHIP 22K RES CHIP 270K RES CHIP 4 7K METAL CHIP RES CHIP 1 5K METAL CHIP RES CHIP 2 2M RES CHIP 10K RES CHIP 100 RES CHIP 100 RES CHIP 47 RES CHIP 100 RES CHIP 68K RES CHIP 680 RES CHIP 2 2K RES CHIP 2 2K RES CHIP 68K RES CHIP 39K RES CHIP RES CHIP 22K RES CHIP 22K RES CHIP 22K RES CHIP 22K RES CHIP 47 RES CHIP 4 7K RES CHIP 1 5K RES CHIP 10K RES CHIP 1K RES CHIP 10K RES CHIP 10K RES CHIP 6 8K RES CHIP 2 7K RES CHIP 1K RES CHIP 47K RES CHIP 3 3K SHORT 0 RES CHIP 33K RES CHIP 10K lt NETWORK RESISTOR gt NETWORK RES 2 2K NETWORK RES 2 2K NETWORK RES 2 2K NETWORK RES 2 2K NETWORK RES 2 2K 5 5 5 5 5 5 5 5 5 5 5 39 5 68 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 222 1 10W 1 10W 1 LOW 1 10W 1 1OW 1 10W 1 10W 1 LOW 0 5 1 10W 1 LOW 0 5 1 10W 1 10W 1 10W 1 1OW 1110 1 1OW 1 10W 1 10W 1I 10W 1 10W 1 10W 1 LOW 1 10W 1 10W 1 10W 1 10W 1 LOW 1 1OW 1 10W 1110 1 10W 1 10W 1 LOW 1 10W 1 10W 1 10W 222 01 RV402 X301 401 501 502 503 504 505 506 507 601 602 C603 C604 C605 C610
28. SERVICE MANUAL MODEL COMMANDER DEST CHASSIS MODEL COMMANDER DEST CHASSIS FDL P1222 US LCD COLOR TV x Please file according to model size 8 222 SPECIFICATIONS TV standard American standard Channel coverage VHF 2 13 UHF 14 69 Antenna VHF UHF strap antenna Display format Tranemisspan type crystal panel Drive format Passive matrix Picture 2 2 inches measured diagonally Viewable image size 43 5 x 33 mm wh Input Antenna VHF UHF 750 minijack Output Headphones minijack mono Impedance 8 45 ohms Power requirements 45 power adaptor compatible imat supplied Power consumption Approx 2 9 W Speaker mum b 0 1 W Temperature range 32 F 104 F 0 4070 Dimensions Approx 91 x 109 x 64 mm 13 4 4 27 excl projecting parts and controls Strap length Approx 1 750 mtn A59 m Mass Approx 260 g 9 2 oz excl batteries Supplied accessory This instruction manual Optional accessories AC power adaptor Eb alkaline battery Design and specifications are subject to change without natice TABLE OF CONTENTS Section Title Page 1 GENERAL Pow r Sources SCO 3 See TID 2 External Antenna Connection see fig 4 WARNING ER HO 4 2 DISASS
29. SPRING BATTERY SPRING B BATTERY SPRING A BATTERY CASE BATTERY SPEAKER 2 8cm PLATE LOCK CABINET REAR ANTENNA STRAP The components identified shading and mark A are critial for safety Replace only with part number specified When indicating parts by reference number please include the board name C001 C002 C003 C004 C005 C006 C007 C008 C011 C012 C014 C015 C016 C021 C101 C105 C202 C203 C204 C205 C206 C207 C209 C210 C211 212 213 C215 C218 C219 C222 C223 C224 2225 226 228 229 234 C235 C236 1395 039 TI BOARD COMPLETE 4 561 091 01 4 561 096 01 4 561 097 01 1 126 794 11 1 126 513 11 1 163 135 00 1 126 513 11 1 163 021 91 1 163 038 91 1 163 009 91 1 164 005 11 1 126 791 11 1 164 346 11 1 163 038 91 1 163 251 11 1 163 038 91 1 163 038 91 1 164 346 11 1 163 005 91 1 163 021 91 1 163 038 91 1 163 009 91 1 126 791 11 1 163 237 11 1 163 227 11 1 163 021 91 1 163 021 91 1 163 021 91 1 163 021 91 1 163 021 91 1 126 513 11 1 163 021 91 1 115 873 11 1 126 791 11 1 115 871 11 1 163 021 91 1 163 021 91 1 163 021 91 1 163 021 91 1 163 021 91 1 163 021 91 1 163 009 91 1 126 514 11 K K K K K K K K K K SHIELD TU INSULATING SHEET INSULATING SHEET 2 lt CAPACITOR gt ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP
30. Source Gate bus Emitter Collector Base mmm 005 Transistor signal path Reference information RESISTOR HN METAL FILM 1 21 21 1 eee SOLID Transistor 3 NONFLAMMABLE CARBON ee c FUSE NONFLAMMABLE FUSIBLE C1 B2 E2 Transistor RW NONFLAMMABLE WIREWOUND RS NONFLAMMABLE METAL OXIDE E1 B1 C2 C1 B2 E2 9 KD 09 9 9 99 e G Transistor UX ADJUSTMENT RESISTOR COIL LF 8L MICRO INDUCTOR Transistor CAPACITOR TA TANTALUM PS STYROL 7777777777777 POLYPROPYLENE MYLAR MPS METALIZED POLYESTER MPP METALIZED POLYPROPYLENE BIPOLAR Discrete semiconductot HIGH RIPPLE Chip semiconductors that are not actually used are included e T1 BOARD 001 AN5707NFAP STOP DEF CHCAL BRT L H Vcc 5V G 5 OUT TUNING CONTROL T1 BOARD WAVEFORMS 60 V OUT BAR OUTPUT 11
31. UP DOWN SW 11 UB 12 VIDEO 0605 D 155355 R610 1001905 T me iip ip ICP CHIP 5 0602 1 D603 D601 2SD601A R 2 S lm 48 22 5 5 ces LG ts DRY BATTERY 3PCS 4 54 o B S 10904 lt U A 02 BOARD 1C501 NJM2070M F 0 8 8 V Ul 3 2 6 OUTPUT DC IN 45V 9 5 POWER GND 19 20 AUDIO AMP PC IN BACK LIGHT A Board A BOARD DIODE A 0605 0701 X A 1299 522 A EN 1272 597 gt 20 0 B JJ 18 5 59 7052 o 5098 1092 1198 7 09 1 0198 1192 9 A 7098 2 2 2 2 1 lt Component Side gt C501 EN v JL10 5 c e EO 8513 504 8406 10521 C502 A BOARD TRANSISTOR VOLIAGE LIST G 0401 107010 3 0 GND 1070210130 GND zs CD 8210 act lt Conductor Side gt 221 Bos BOARD WAVEFORMS N I gt
32. ed from a signal generator 2 Adjust RV201 and align the screen for the optimal point so that the snow noise disappears CHANNEL DISPLAY POSITION ADJUSTMENT RV001 RV002 RV004 1 Set 5601 to VHF position a potentiometer 47 15 across JL25 CS and JL77 44 5 V as shown in Fig 2 6 and short the points JL21 CH CAL and JL30 D GND 2 Receive channel 2 and align the channel display positions with 002 3 Receive channel 13 and align display bar with 4 4 Align while performing tracking to mutual interference in the above steps 2 and 3 5 Receive channels 3 amp 4 and confirm that the display bar is within the standards 6 Set S601 to UHF 7 Receive channel 14 and align the display position with RVOO1 UP 8 Receive channel 69 and confirm that the display bar is within the standards Once again receive channel 14 and confirm that the display bar is within the standards Note Use caution since shifting channel 69 will also cause channel 14 to shift 9 Remove the potentiometer 47kQ 15kQ you connected be tween JL25 CS and JL77 4 5V Also remove the short you connected between points JL21 CH CAL and JL30 D GND JL25 CS JL77 44 5V Display bar Channel No 15 E 74 VR 47kQ Channel No and display bar are to be in line Fig 3 4 Fig 3 3 9 3 3 BOARD ADJUSTMENT B board Component side RV301 RV402 CONTRAST ADJUSTMENT RV40
33. tery cover 4T 4 222 2 2 SERVICE POSITION Cable for service 1 900 211 84 Cable for service o 900 21 1 84 ta board CN201 B board Mini jack Antenna AC power adaptor 222 SECTION 3 CIRCUIT ADJUSTMENTS 3 1 BOARD ADJUSTMENT 4 5V ALIGNMENT RV601 Using a digital voltmeter measuring the voltage between JL32 4 5V and JL33 GND Adjust RV601 to obtain the value shown below Standard Value 4 45V 0 05VDC 5601 position UHF position 30 0V CHECK Check the voltage across JL29 30 0V and JL33 GND Standard Value 30 5V 1 5VDC AUDIO OUTPUT CHECK 1 Feed the audio signal 1kHz 100 modulated 2 Set 501 to maximum 3 Connect an oscilloscope between JL23 SP and JL15 SP GND 4 Check the waveform on the oscilloscope becomes the stan dard value Standard Value 1 5V 2 8Vp p 3 2 T1 BOARD ADJUSTMENT 1 board Component side T201 T202 RV201 3 Rvoo2 Rv004 TU101 3 001 VIF AFT COARSE ADJUSTMNT T201 T202 SETUP 1 Set 5601 on the A board to VHF position 2 Apply no signal to JL18 RF 3 Connect a 1 resistor between JL 77 44 5 and JL28 RF AGC 4 Apply a sweep signal across JL26 IF and JL27 IF GND Fig 3 1 Note Set the sweep signal for JL26 to 30 5dBm Keep the distance to the output 26 as short as possible SW
Download Pdf Manuals
Related Search