Sony HCD-SH2000 Service Manual - Page 36
Schematic, Diagram, Dmb21 Board 3/3
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HCD-SH2000 5-21. SCHEMATIC DIAGRAM - DMB21 BOARD (3/3) - • See page 54 for IC Block Diagrams. 1 2 3 4 5 6 7 8 9 A DMB21 BOARD (3/3) B DVDD3.3V DVDD5V VREFO CL213 R234 10k 0.033 56k 100k 100k C212 0.01 C214 1000p R230 82k R233 33k C209 R221 R223 R225 C233 4700p C R232 18k R231 15k 0.033 56k CL206 CL207 CL208 C211 R226 SPFG D R220 1k R212 10k 1.5 2.5 2.5 1.5 4.1 1.5 48 47 46 45 44 43 FIN 3.5 3.4 2.8 9 9 44 42 41 40 39 38 37 OPIN2+ OPIN2OPOUT2 REGVCC PVCC1 DO1+ IN1+ OPIN1+ OPIN1OPOUT1 SVCC VREF FOO R208 33k C205 R214 220p 15k 1.5 1 IN1- E DMB21 CL201 1.5 2 OUT1 R206 10k 1.5 3 IN2+ 11 BOARD (2/3) (Page 35) TRO R209 33k C206 R215 220p 12k 1.5 4 IN2- CL202 1.5 5 OUT2 3.3 6 RES1 IC B/D IC201 DO1- 4.4 DO2+ 4.3 4.5 DO2- PGND1 REGO1 5 3.8 REGO2 FIN R2506 1M IC201 FOCUS/TRACKING COIL DRIVE, F C203 R207 0.01 2.7k 3.3 7 RES2 SPINDLE/SLED MOTOR DRIVE FAN8036L DO3+ 4.4 RF+3.3V R204 1.2k 2.3 8 REGCTL DO3- 4.4 R205 10k 1.5 9 IN3+ DO4+ 4.4 FMO R210 47k 1.5 10 IN3- DO4- 4.4 C208 R216 1.5 11 OUT3 PGND2 G 0.01 12k R213 6.8k 1.5 12 IN4+ 1.4 DO5+ CL204 MUTE123 MUTE4 PS TSD_M PVCC2 DO5- IN4OUT4 CTL FWD REV SGND 13 14 15 16 17 18 FIN 19 20 21 22 23 24 1.5 1.5 2.3 0 0 3.3 3.3 3.3 2.9 9 1.4 CL205 H DMO R219 27k R224 10k C210 0.01 R2507 2.2k DMB21 12 BOARD BUS 1 (2/3) FWD (Page 35) REV R227 0 R228 0 I MUTE123 MUTE4 TSD_M LIMITSW R247 1k OCSW R236 1k CKSW R237 1k TRG_SW R2502 1k J R254 C213 4.7k 0.01 C216 0.01 C217 100 16V C215 0.01 R256 10k HCD-SH2000 36 36 25 26 27 28 29 30 FIN 31 32 33 34 35 36 C223 0.1 10 11 12 13 14 15 IOPMON IOP REG02 IOP REG01 FCSFCS- FCS+ TRK+ TRK- FCS+ SP- TRK+ SP+ TRK- REG02 REG01 SL- C219 C220 C224 0.01 47 0.01 C218 10V SL+ 47 10V SLS+L SPSP+ LDM+ LDMLDM+ IOP REG02 REG01 FCSFCS+ TRK+ TRKDGND DMB21 10 BOARD (2/3) (Page 35) C221 0.1 C222 0.1 CN201 6P JL201 1 JL202 2 JL203 3 SPSP+ LIMIT JL205 JL206 4 (GND)LIMIT 5 SL6 SL+ C225 C226 0.001 CN202 7P JL214 7 JL213 6 0.001 JL212 5 JL210 4 JL211 3 OCSW1/REV CKSW1/FWD GND LDMLDM+ JL215 2 NC 1 TRG-SW DEVICE, OPTICAL KHM-313CAB/ C2RP (2/2) MS-214 BOARD LDM- VM9V DVDD5V MTR_GND DGND DVDD3.3V DMB21 8 BOARD (1/3) (Page 34) 4.7k R2505 0 1k 1k 4.7k R246 R238 R239 R255 Note: When the MS-214 board is defective, exchange the entire MD (AU) ASSY.
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