Schematic Diagram - Main Section (2/6) - Sony MEX-DV1000 Service Manual

5-13. SCHEMATIC DIAGRAM – MAIN Section (2/6) –
(2/6)
SA_L
SA_R
INAC
INASW
INARL
INARR
AIN_L
(Page 30)
AIN_R
C
A
TU+8V
AUGND
-E
MIC
MIC_G
D
GND
R227
0
MUTING CONTROL SWITCH
R306 D306
B
0 RB751V
AMUTE
ATT
(Page 34)
MEX-DV1000/DV2000
• See page 37 for Waveforms.
D302
C310
RSX201L-30 C309
100
100
16V
16V
C307 C306
0.1 0.1
R344
39k
R301
AGNDE OUTBRR
0
INAFL OUTBRL
INAFR OUTBSW
R337
AGND1 OUTBC
0
ELECTRICAL VOLUME
INAC OUTBFR
IC307
BD3434K
INASW OUTBFL
AGAND2 OUTARR
INARL OUTARL
INARR OUTASW
AGND3 OUTAC
INBFL OUTAFR
C383
1
R382 100
C385
1 C354
100p
C854 R822
47p 10k
R821 C846
Q310 15k 1
RT1P141C-TP-1 R825
10k
R823
18k
Q310,311
C847
150p
C853
0.0033
Q311
RT1N144C-TP-1
C393
47
16V
• See page 40 for IC Block Diagrams.
(DV2000)
C370 R357
10 100
16V
C369 R356
4.7 100
C374 R353
10 100
16V
C373
10
R352
16V
100
BUS_R
BUS_L
C372 R355
C357 10 100
100p 16V
R339 100
R340 100 C358 100p
R341 100 C359 100p
R336 100 C362 100p
R338 100 C363 100p
R370
0
C371 R354
10 100
R371 16V
0
R372
0
D309 R367
1SS355W
SWITCHING REGULATOR
IC803
Q805
BD9300FV
2SC3052EF
R831
DTC NON
15k
RT 1/2VREF
CT INV
R824 R827
FB VREF
10k 1k
OUT CTL
NC SCP
D821
GND VCC
1SS355W
C848 C849
C852 C850 R828
100 2.2
0.1 0.1 470
16V 50V
31 31
C837 1 C841 1
C838 1 C842 1
C839 1 C843 1
C840 1 C844 1
Q302
DTC614TK
MUTING
R358 10k
C375 100p
Q303
DTC614TK
R359 10k
MUTING
C376 100p
R362 10k
C379 100p
Q306
R363 10k
DTC614TK
MUTING C380 100p
R360
10k
R361
Q307 10k
DTC614TK C377
100p
MUTING
R364 2.2k C381 100p
C378
100p
R365 2.2k
C382 100p
R342
(DV1000)
(DV2000:US,CND) 0
R377 R377
0
R376
R376 0
EXCEPT
DV2000:
US,CND
Q305
DTC614TK
MUTING
(DV2000)
Q304
DTC614TK
R335
MUTING
0
R373
0
R350
0
47
L302 Q805,806
47µH
-8.3V REGULATOR
R830
15k
L304
47µH
Q806
2SA2049
R829
100k L303
100µH
D822
RSX201L
-30
C851 C845
L301
220 47
100µH
10V 16V
MEX-DV1000/DV2000
IN_LF
IN_RF
IN_RR
(Page 32)
IN_LR
CN301
16P
SUB SUB OUT
SUB GND
CENTER CENTER OUT
CENTER GND
FRONT RCH (R)
FRONT RGND FRONT AUDIO OUT
FRONT LCH (L)
FRONT LGND
Z × Z ACH
Z × Z GND
Z × Z LCH
Z × Z GND
BUS R (R)
BUS RGND BUS AUDIO IN
BUS L (L)
BUS LGND
CN302
8P
REAR VOUT REAR VIDEO OUT
VIDEO GND
FRONT VOUT FRONT VIDEO OUT
REAR RCH (R)
AUDIO GND REAR AUDIO OUT
REAR LCH (L)
MIC_GND
MIC IN
MIC
(DV2000)
(DV1000)
CN302
10P
BUS L (L)
BUS GND BUS AUDIO IN
BUS R (R)
VIDEO GND
VIDEO OUT
FRONT VIDEO OUT
REAR RCH (R)
AUDIO GND REAR AUDIO OUT
REAR LCH (L)
MIC_GND
MIC IN
MIC
VP
(Page 32)
REG
SGND
PGND
(Page 33)
VOUT_F
VOUT_R
VOUT_GND
R701
0
R708
(DV2000)
0
R832
0 (CHASSIS)