SERVICE MANUAL
Contents
1. ILL DUTY LED CONTROL Q905 LED DRIVE 021 22 D20 29 LCD BACKLIGHT LCD1 LIQUID CRYSTAL DISPLAY PANEL 0 1 ON ROTARY ENCODER LCD DRIVER KEY IN MATRIX 54 25 27 15 SCK 16 ELECTRONIC VOLUME POWER AMP C605 1901 150701 4 5 25 3 1 t FL FL 0711 2 O r 23 0O FR R CH 24 59 SPEAKER 27 LPF RL ELECTRONIC VOLUME y Q975 POWER AMP 1 606 1902 3 IC941 21 Qoo RR 1 O RRC Y SYSTEM CONTROL DIAG 16801 2 2 DET 52 AUDIO MUTE 56 03 DA 34 55 DIAG 78 54 MODE 81 3 10921 SP RL 09 48 SP R SHORT 64 1 46 SP F SHORT 61 41 DIAG 51 SP R CLIP 63 EIER DET amp SP CLIP 60 301302 Q921 44 SP 27 25 0821 0705 150701 6 Wr 1940 am 5 0707 DISPLAY 69 5 gt x O Q2 0701 FL 93 02 R CH 4 O FR 60 EN f 5 RL LINE OUT 86 o6 RR POWER ah id 6 01 CONTROL2. C122 100p CH i 125 100p CH C124 100p CH aa les 02 4 0 9 1 3 9151 152 0 9 1 3 WIB NAR CONTROL RI 2 2 4 3 4 9 E20 4 8 TUI 4 3 8956 5 ADS SYA ROS CL RO5 8ATA OU 20 c a 22 SUB SYSTEM CONTROL 2 FRONT POWER AMP REAR POWER AMP 1 GNB 1 OUT 1 N 1 5 7 3 6 9 2 8 ieee jt a 1C 0715 8017 sv 0711 712 MUTE 1 721 NJM4558E C725 0 1 B C712 sly Er TR VOLT REF BEEP AMP 4 tras Bn vu TH t9 p B 894 R926 2 2 R927 C823 0923 192 922 UDZ l B C922 0 1 B R937 2 2 0942 102 118 2 Ug 18 t al lape 3 TE E R957 2 2x 8543 U02 11B BIAGNOSTIC BIAG
3. Note All capacitors are in pF unless otherwise noted pF uuF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Q and 4W or less unless otherwise specified component B Line Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltage is dc with respect to ground under no signal detuned condition no mark FM Voltages are taken with VOM Input impedance 10 Voltage variations may be noted due to normal tion tolerances 04 26 Df 28 29 30 XR 5W497RB 2 9 SCHEMATIC DIAGRAM DSP SECTION Refer to page 49 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DSP BOARD A 8520 8621 gt m 1 C605 gt i C604 gt gt ne ELECTRONIC e z LPF ae 35 VOLUME Y 8622 k 10k Clu Len 5 T 1601 LINE AMP C603 16503 d 24 A BV 7712 N AUDIO AMP
4. abelfo Sw LINE DUT FR ILLUMI B ILLUMI KEY 10 10 2N8 8SP 8 0UT LINE OUT GNO LINE DUT FL 2 XR 5W497RB 39 CONNECTOR BOARD 150701 38 CONNECTOR 5 BOARS CNP701 Page 37 ILLUMI GN 0810 POWER CONTROL 2 H 2 5 X80 4 91 5MHz 8800 0 C803 3 CH C804 35 CH 9803 0803 2501802FAT ae 4 9 R805 2 2k LC84 POWER CONTROL L C828 C823 220 470 5v REG 3 4 SUED Ins dll amp 5V 6 5 ILLUMI LCO INBICATOR 10V GND KEY REQ ROT OUT B ROT OUT A LC8 O0N KEY LC8 CLK Page 43 LC8 8ATA LC8 CE 3 SAFE DET IN Y N K 877 RB amp S 22 228 16802 5 S 80720AN DH d E 85 5 4 3 R DIAG EXAMP NG UBIO ON EXAMP ON SAFE CONTROL 0815 Rg SAFE 47 S CONTACT BET SAFE DETECT 1 EJECT KEY TIM KEY ON KEY XR 5W497RB 2 7 PRINTED WIRING BOARDS TIM DSP SECTION 2 8 SCHEMATIC DIAGRAM TIM SECTION Refer to page 48 for IC Block Diagrams 1 2 j 4 5 6 7 8 9 10
5. gt C aA cx x ux 518191 A x gt Mo ETE SEL MC NETS UC NETTE PBWN TO l gt gt e o6 DSP OATA OUT 4 8SP SCLK 40 NR 8ET L BIAG2 BIAGI EG AMP B80LBY NR 00 w lt S RB09 100 4 9 O S2 RB10 100 4 9 53 4 9 94 ASELI lt 0 gt 6 94 9 ASELZ _ 050 945 B 2 ENT 22 PM AES IUE Y EE 2 ai seo 12001 G3 4 E 27 U C lt c 2 358 H5 gt E p M 8 A 1C801 nP978074 SYSTEM CONTROL 89 LLUM t ON 4 8 0 TLL ON 4 9 8010 9 0 9 12821 arc Ay n POWER CONTROL K LINE INTERFACE R731 R732 3922 8705 MATTI 22 e vs pou 02
6. lt 3 ROW ADDRESS COLUMN DECODER at COUNTER p S MEER ROW ADDRESS SAD m 8 COLUMN ADDRESS REGISTER SAS REGISTER COUNTER E 1 x TAS STEP 1dB STEP m VOLUME VOLUME CS WRITE CLOCK WE GENERATOR 1 DOUT OD 4X8 6 900 E 22 5 3 S UE IC401 HA12164 a o o O z amp z 2 DOLBY B NR L EQ OUT 28 NOI EQ OUT M 07 MS GND 06 MA OUT 05 MSI NF L 04 MS DET RIN L 03 VREF L 2 vec FIN L 1 MS OUT GND 60 D GND GND 19 MS Gv FIN R 18 RIF VREF R E 17 700 1200 RIN R NE 16 RADIO TAPE EQ OUT M EQ OUT DOLBY B NR N C BIAS R 603 7712 DZF2 DXF1 NC AVB A OUT R2 DVB DVB DVDD DVSS AOUTR A OUT L2 AOUTL NC VREFL VREFH DZF DADC2 SDATA LRCK BCLK MCLK A OUT R1 AOUTR AOUTL A OUT L1 VRDAL AVSS VREFL DZF DAC1 SDATA LRCK BCLK MCLK SDOUT3 SDOUT2 gt SMODE TESTI1 OPCL PDAD 2 901 902 TDA8563AQ SDAD SDOUT2 SDDA SDDA2 SDOUT3 SDOUT1 SMODE DSPCLK AD DACLK Divider
7. 23 FR L OUT FR R OUT D 21 S GNO 20 RR L OUT VCT BATA F Rags Tk R693 1 ge oF s EV CLK gt 2 BOARD 2 12 5 101 erm Page 23 C55 m CS 53 Roy an d 8 50 Ress si ex 2 7 51 ae a 4 5 D RBY 654 ELECTRONIC i da VOLUME Cre E SCLK 1 602 OT B 9 6 5 2 1 N Note All capacitors are in uF unless otherwise noted pF G 50 WV or less are not indicated except for electrolytics and tantalums All resistors are and 4 W or less unless otherwise specified Line Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltage is dc with respect to ground under no signal detuned condition no mark FM Voltages are taken with a VOM Input impedance 10 Voltage variations may be noted due to normal produc tion tolerances Signal path gt 04 31 32 33 2 11 SCHEMATIC DIAGRAM CONNECTOR SECTION 1 2 3 4 5 6 7 CONNECTOR BOARD 1 BOARD 705 22 2V
8. XI STANDBY SWITCH NON INVERT AMP 1 1 MUTE IN 1 VP1 S GND OUT 2 4 vp2 50 SWITCH MUTE CONTROL CIRCUIT DIAGNOSTIC CIRCUIT DVDD DVSS AS A4 A2 Al AO WE RASCE CASRF 0 DRDY RDY SCLK DVDD DVSS WRQ cs DVDD XTO
9. Q810 811 85 84 EJ KEY 80 BATT EXT AMP EXAMP NG 76 CHECK SV REG 0816 3 2 4 0808 x E P ON 82 SET B DET 806 807 EJECT B AD 09 D819 BATI AUDIO 79 KEY REQ 1 LCD OFF 9 49 T e Signal path STB 4 915MHz DATA 7 E FM 101 O TUNER UNIT TUX 012V E ECEIVE SEEK 2 FM AM FM AM M BET OUT ORCEA u 2 6 SCHEMATIC DIAGRAM MAIN SECTION Refer to page 46 for IC Block Diagrams WI8 NAR 2 0 S METER CONTROL 564 R145 39 6 Wy ry R566 3 3 C8 LINE AMP C512 0 1 R522 Ik iP S GN8 C105 0 1 B NEL 109 10V He C142 0 068 B C143 0 033 B 5 CS11 0 1 B 2 2 FR R OUT gt R523 10 Wy 8527 TOK R528 8524 10k 10k AM 16521 R521 NJM 558E 4 9 e 8 DEVO 31 4 9 4 4 BUFFER VOL REF 00 2 5 6 8 9 le B 10 0 1 ASP2 R BSPSR ASP6 Ri ASPB BSP9R EVCK EV8TR 1C581 NJM SBOE
10. 24 BLOCK DATA Y SMOOTHING FLOUT FILTER MEMORY CONTROL CIN PLL CLOCK 57KHz RECOVERY 1187 5Hz DECODER ERROR CORRECTION ha 1 SOFT DECISION 5 SYNC EC CONTROLLER T2 1 T8 14 CLK 4 332MHz T5 OSC DIVIDER XOUT 46 121 LC72146M CE REFERENCE DIVIDER SWALLOW COUNTER 1 16 1 17 4BITS WIDNARW MONO STE 1 12BITS PROGRAMMABLE PHASE DETECTOR ae DATA SHIFT DIVIDER CHARGE PGMP DX LO REGISTER Y LATCH e POWER ON RESET UNIVERSAL COUNTER IC561 TA2050F as ae L Z Z Q 1 z 9 3 42 9 GND gt N C O L OUT N C R OUT VREF 47 241 5 24 04 DATA OUTPUT ACKNOWLEDGE OUTPUT CONTROL CIRCUIT Y DECODER SELECTOR EEPROM ADDRESS COUNTER Y LOAD INC DEVICE ADDRESS COMP COMPARATOR DATA REGISTER XDECODER LOAD SERIAL CL
11. 69 SEEK VDDA CONTROL 0812 eine 56 S METER AM 0236 237 Rv 2 S METER 4 1 67 5 FM VDD 18 0171172 55 MULTI PATH VDD P ON POWER SECURITY VDD A CONTROL VDD TX at 1 804 805 0827 829 WAKU UP 17 WAKU UP VT 22 AOUT CE 2 BUSY 43 ST IND 9 MONO STE DIN 9 lt CLK 44 CONTROL AM IFC 3 AM IF CLK 4 lt D IN 5 0825 826 FM IFC 14 D OUT 5 D OUT 46 0902 ILLMI 34 vco 17 O ILLUMI 16 XOUT 1 GALA 15 0901 0906 DX LO 11 DX ILO S CONTACT 63 BATT WID NAR 8 WID NAR 12 FM ON 7 MHz 11 AM ON 29 GALA O GALA WID NAR 0703 FORCED CONTROL 77 WID NAR 1 WID NAR 151152 78 WID NAR 2 RDS MODULATOR S 0161 CONTACT S CONTACT 0714 TIM CONTROL 150701 2 5 10301 5 XM0 TU8 5V FM 8 5V DSP DRIVE 4 332MHz SECTION ILL DUTY 031 32 2 x30 1 65 9 NOISE AM 8 5V a A 7 F 003 D31 51 53 56 RESET 9 6 RESET KEY BACK LIGHT 8 5V REG WR WR TU VT 0130 RD 1 8 RD e Signal path 79 66 CE gt FM POWER APS AM CONTROL ANT 0136 137 09 2 CD 04 13 14 XR 5W497RB 2 4 BLOCK DIAGRAM DSP SECTION TUNER SECTION AUDIO L 04 TUNER SECTION AUDIO DSP 16603 4L X601 16 9344MHz
12. KEY REQ 838 851 fa V7 954 957 960 14 931 51 53 66 002 BRIGHTNESS KEY BACK LIGHT i 8 tA D o m o B0 D un wn a c a oc gt 8 E B Ss 2 2 2 8 8 a Pe e Pa 2 Te 8 8 e c 3 2 3 z 5 am 2 ta Pa 5 a Pa 2 fa 5 855 gt 936 839 4 A 9 9 gt 49 e 9 49 E 2 861 4 7k My R62 4 7 R63 2 7 M 961 964 966 865 920 29 LB1676 BLUE BACK LIGHT LIQUID CRYSTAL BISPLAY PANEL ROT OUT B ROT OUT A LCB ON LC8 CLK LC8 DATA LC8 CE EJECT KEY TIM KEY ON KEY TP KEY NC NC 04 13 1 W gij R93 15 4 2581125 13 4 12 7 R20 R22 R24 R26 R28 rai 2 2 2 2 52
13. Voltage variations may be noted due to normal produc tion tolerances Signal path gt FM gt gt PB gt 21 RBS BEMOBULATOR NC TEST MODED BET DUT 2 lt AUBIO DUT AUDIO IN V08 SY C215 Gok 5054 8 5 C217 0 47 B 2 5 C216 3309 CH 2 5 ver o 5 9231 14 2 14 2 258 125 114 2 SOA 10 0 CRO APE SCL 0 8 APE MUTE ABE BDLBY MBA el CB 6 10 16 13 4 E 0 962 CONTROL 0781 782 H MUTE CONTROL 2NB 8SP E 2NB 8SP EO C8C 8 0UT 9 C8C CLK C8C CTL TEL MUTE v illii 7475 A TX TEL TEL C8C LCH C8C GN8 C8C RCH LINE DUT RR LINE DUT RL AMP BIAG 9363 964 POWER CONTROL POWER CONTROL 0785 786 TEL MUTE TM10 loup gpl SWSV eno S
14. 11 TIM BOARD Semiconductor Location Ref No Location ees A Ce e o o T s E E 2 1 A M 02 H 7 T 0 8bMOB p p Note aOR 2 o parts extracted from the component side Mn Through hole een A internal component Pattern from the side which enables seeing id The other layer s patterns are not indicated 1 Caution S X301 NS 50 4 195 Pattern face side Parts on the pattern face side seen from the E C 1 EE Side B pattern face are indicated ME i Parts face side Parts on the parts face side seen from the E Side parts face are indicated AMG H gt Page 21 UJE 7 8 RB 475 e ce 2 Y 10 v88 5 10 Pe ol et TOW i 1 669 328 D E Page 20 Page 19 Page 19 MAIN BOARD DSPIOI MAIN BOARD TI TIM BOARD M10 MAIN BOARD TIMIOI SIDE B MAIN BOARD TIMIOI Page 21 1 M MSME 5 RWCK
15. C715 10002 B A mL INE 0UT FR H 704 22 2 C714 1000p C703 100 25V C713 1000p B 702 22 25V 211 C712 1000 QUT RL 0 4 C701 V LINE OUT RR tH 2223 gt 711 10000 B 0852 701 6 0 KCRC CTL TEL gt lt TEL gt ini vy A 1 1 a RS p ENP701 cAac CLK 0 7 R722 E o de D T 2 702 704 22 LINE DUT FR z C8 CHANGER 8712 58 8 INTERFACE K e LINE DUT GNB ig P E LINE DUT RL lo iNE QUT RR HE UE 1 1 1 e tL C8C RCH 1 1 1 gt z aGaaao 227 955268 CBC GNB COOLE as aaa 85 a 44411 Qu 55685858050 TEL 2 Y D main Boara 10 CONS01 TEL fo aus 11 Page 25 TEL MUTE CBC CTL ME CB8C CLK o Rap 15 C8C 8 0UT MIT C8C 8 0UT 2N8 8SP EO R707 E 2 8 05 1 ME 2N8 8SP 8 0UT o 150701 ME 36P 2NB BSP CLK sv sv 5425 5 91 4 8 0701 705 707 2 DISPLAY 0701 INTERFACE 9 114 R706 10k 4 7 R705 a ee S O E e lt lt lt lt e Ee 37 Ej 2122 Hanne D DEUS TET
16. Verr IR AIC a eo Iw Io ET a E ae ee mm rg ror por od dg DU PE 2 MAIN BOAR CUNS02 Page 25 38 12 150701 36P 1 LINE OUT RL 8 2NB BSP CLK 9 2 95 8 OUT 2 8 85 5 CBC CLK C8C CTL C8C L CH C8C RCH SP RR 9 HR H SP RR gt HR 27 SP RL HL 28 SP RL HL GALA GALA 5 B Lso GNO KLID 57 FUSE 10A 58 FUSE 10A AHNE WIN E 18 19 For ext AMP For CB Note All capacitors are in uF unless otherwise noted pF yF 50 WV or less are not indicated except for electrolytics and tantalums All resistors in and 4W or less unless otherwise specified B Line Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltage is dc with respect to ground under no signal detuned condition no mark FM Voltages are taken with a VOM Input impedance 10 MQ Voltage variations may be noted due to normal produc tion tolerances Signal path FM EP CD 39 XR 5W497RB 2 13 SCHEMATIC DIAGRAM PANEL SECTION 1 MAIN BOARD CNIO1 Page 25 2 ILLUMI B KEY BOARD ILLUMI KEY ILLUM GN8 ILLUMI LCO INDICATOR 10V GND
17. 4 81462 BIAGNOSTIC BETECT px lg RJ ER CONS02 20P GND SP RL SP RL C SP RR SP RR SP FL SP FL CJ SP FR SP FR CJ Y 5 GNA CBC B AMP REM S REMOTE S CONTACT GALA K LINE SAFE IN ILLUMI CONS01 SW SV 2NB BSP CLK 765 50v 9806 807 4 2 POWER CONTROL 1 771 NJMASSBE C762 stv ORENT 4 9 Q131 134 ard ANT OPEN 29 ERE 0155 2362712 Bee Ne ANT SHORT uer 22k 29 4 9 0 35 1 28855 14 2 28 Note All capacitors are unless otherwise noted pF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Q and 4W or less unless otherwise specified 96 indicates tolerance internal component LL LJ panel designation B Line LLL adjustment for repair Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltage is dc with respect to ground under no signal detuned condition no mark FM MW gt Voltages are taken with a VOM Input impedance 10
18. 4 2 fd EH n 031 32 2 LED DRIVE 0 CL 200HR 1 E gt Te c lt RIZ 2 POWER 932 gt n DICI44EKA R11 47k 5 8 AN LEO 1 081 hi R12 22k 5 8 BTCT43ZKA K IG 5 7 sqm 8 10K 813 10 5 8 SO su a n LED 8RIVE S lt SS 4 lt AU 85 m on je R9 0 C8 0 1 B RB 4 7k RI i 470 R7 4 7 0 1 B R amp 4 7 Ci 51S von a gl M a tiie 01045280 cars rg 2 SYNC LCA 4 R2 47K 0 1 5 1 c22 0 o B 4 9 5 0 gH 28 B 2 5 51 2 V 2 1 c 2 5 o o 2 52 Em 54 10 515 tn UI EN i lt TRE c O MATII 35 511 817 523 2 Di FAD BAL o o Oo 1 us gt 56 512 518 524 3 SFL ROS ROTARY ENCODER gt o o Si E 3 gt i O al PUSH 57 513 519 825 G ON 2 s TW cam c c R62 3 Qe o mU A por pec r C8 1000 B O CBD 1000 R80 i5 58 ES S20 5 gt o o o MU 59 515 521 27 6 CC 0 AME L XR 5W497RB Note All ca
19. AR 5W497RB SERVICE M ANUAL AEP Model MICROFILM Dolby noise reduction manufactured under license from Dolby Labo ratories Licensing Corporation DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation Notes on Chip Component Replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be damaged by heat FM AM CASSETTE CAR STEREO SONY XR 5W497RB 3 2 BLOCK DIAGRAM TAPE SECTION TUNER gt gt SECTION EQ AMP DOLBY NR SUB SYSTEM CONTROL IC401 1C201 2 2 ee a eel L 3 FWD 3 l xw AUTO 32 768 2 MUSIC SENSOR qe ei MS GV RADIO TAPE 16 EEP ROM REV 1 241 POWER E2D 0 5 ma BATT CONTROL TU 4B gt RCH E2CK 60 6 0231 232 8 5V REG TUNER ON 19 mo CN451 L CH SW4B 3 150701 3 5 SWOT TR 16 ane CDC CTL 2 O 8 TAPE Sk i INSERT mechanism SUK 4 up 081 POWER 17 INDICATOR 65 DRIVE BATT SWITCH FREQ 62 081 0911 912 RESET g POWER CONTROL BATT 0450 451 7 e Signal path oe O CDC DOUT g
20. OCK HIGH VOLTAGE CONTROL GENERATOR START STOP CIRCUIT DETECTION CIRCUI 01 MSM6688GS 2K rr a ce c z oa o 8 E 6463162 61 45 Do 1 CONTROLLER m ose 72 01 2 T cg 3 MCU I F ReGister 40 051 4 CONTROLLER 99 SADX 8 SADY 67 TAS EL BUSY 5 RPM STATUS PDWN veu 79 REGISTER TEST TEST ACON 8 TEST 9 4 ADDRESS 32 RSEL2 ONTROLLER MCUM 10 51 RSEL1 ADPCM ety ANALYZER 80 SYNTHESIZER 9 AGND Y TEST 12 TEST 2 TEST 3 CIRCUIT DAC TEST 14 1 2 SG CIRCUIT A D D 48 302 MSM6684JSDR1 605 607 CXA1846N ae Zo z zz 5 8 8 288 TIMING REFRESH TIMER RS A GENERATOR TE RFSH VOLUME amp amp 83886080ATA 25 gt ER REGISTER co
21. pacitors are in unless otherwise noted pF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Q and W or less unless otherwise specified C panel designation B Line Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltage is dc with respect to ground under no signal detuned condition no mark FM Voltages are taken with a VOM Input impedance 10 MQ Voltage variations may be noted due to normal produc tion tolerances zc Block Diagrams 141 12181 IFDET AFAGC GATE GATE PULSE REFERENCE GENERATOR CURRENT CIRCUIT GATE PULSE 1 GATE PULSE 2 HIGH PASS AMP BUFFER WAVEFORM COMP AMP 5 1 1 REFERENCE VOLTAGE LEVEL REFERENCE CIRCUIT DIFFERENCE CURRENT CIRCUIT DETECTION WAVEFORM COMP IC531 MC14052B IC210 LC72720M 2xo 1 2x2 2 E 2 3 ANTIALIASING 2X3 VEAIN FILTER o VDDA E REFRENCE NG VOLTAGE VSSA VEE 7 7 7 RAM vss 8
22. t _ gt PB TASV ps CDC DATA 13 IN CDC DIN 0703 CDC CLK 04 EU Q704 2 3 BLOCK DIAGRAM TUNER SECTION 150701 1 5 XR 5W497RB 11 5 S REMOTE REMOTE 19 1561 0705 9 Dy O 12 gt 20 CDC R R CH 7 T O i TAPE TLO 2 BER VDD B 12 SECTION BATT V REI VODA SOURCE SELECT TUNER UNIT 10531 TU101 SYSTEM CONTROL 10801 1 2 J101 ANTENNA ANT OPEN 57 DET 5 0131 134 0571 k SOURCE SELECT IC511 ANT SHORT BATT gt 0135 7 BATT L 0254 F701 35 24 251 252 0140 R CH SAFE 33 FM 8 5V CONTROL SAFE 0861 863 TU 8 5V AM 8 5V RESET TEL MUTE 30 VDD B 2 1 DET TEL MUTE SUB SYSTEM CONTROL 10802 0785 786 10201 1 2 MUTE K LINE 23 TU MUTE B U DOWN 16 B U CHECK 10821 RESET 14 POWER
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