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

MEX-DV1000/DV2000
2-4. SCHEMATIC DIAGRAM – MAIN Section (2/6) –
(2/6)
SA_L
SA_R
INAC
INASW
INARL
INARR
AIN_L
C383
1
(Page 5)
AIN_R
C385
C
1
A
TU+8V
AUGND
-E
MIC
MIC_G
D
GND
Q310,311
MUTING CONTROL SWITCH
R306 D306
B
0 RB751V
AMUTE
ATT
(Page 9)
MEX-DV1000/DV2000
D302
C310
RSX201L-30 C309
100
100
16V
16V
C307 C306
0.1 0.1
R344
39k
AGNDE OUTBRR
INAFL OUTBRL
INAFR OUTBSW
AGND1 OUTBC
ELECTRICAL VOLUME
INAC OUTBFR
IC307
BD3434K
INASW OUTBFL
R339
AGAND2 OUTARR
R340
INARL OUTARL
R341
INARR OUTASW
R336
AGND3 OUTAC
R338
INBFL OUTAFR
R382 100
C354
100p
C854 R822
47p 10k
SWITCHING REGULATOR
R821 C846
IC803
Q310 15k 1
BD9300FV
RT1P141C-TP-1 R825
10k
R823
DTC
18k
RT 1/2VREF
C847
CT
150p
C853
FB
0.0033
OUT
NC
Q311
GND
RT1N144C-TP-1
C393
47
16V
(DV2000)
C370 R357
10 100 Q302
16V LTC614TK
MUTING
Q303
LTC614TK
C369 R356
MUTING
4.7 100
C374 R353
10 100 Q306
16V LTC614TK
MUTING
Q307
LTC614TK
C373
10 MUTING
R352
16V
100
BUS_R R364 2.2k
BUS_L R365 2.2k
C372 R355
C357 10 100 Q305
100p 16V LTC614TK
100 MUTING
100 C358 100p
100 C359 100p
Q304
100 C362 100p
LTC614TK
100 C363 100p MUTING
C371 R354
10 100
16V R373
0
R350
0
D309 R367
1SS355W 47
L302 Q805,806
47µH
-8.3V REGULATOR
Q805
2SC3052EF
R831
NON
15k Q806
2SA2049
INV
R824 R827
VREF
10k 1k
CTL
SCP
D821 D822
VCC
1SS355W RSX201L
C848 C849
C852 C850 R828 -30
100 2.2
0.1 0.1 470
16V 50V L301
100µH
6 6
C837 1 C841 1
C838 1 C842 1
C839 1 C843 1
C840 1 C844 1
CN301
16P
R358 10k
SUB
C375 100p
SUB GND
R359 10k
CENTER
C376 100p
CENTER GND
R362 10k
FRONT RCH
C379 100p
FRONT RGND
R363 10k
FRONT LCH
C380 100p
FRONT LGND
R360
Z × Z ACH
10k
R361
Z × Z GND
10k
C377
Z × Z LCH
100p
Z × Z GND
BUS R
C381 100p
C378
BUS RGND
100p
BUS L
C382 100p
BUS LGND
R342 CN302
(DV1000)
(DV2000:US,CND) 0 8P
REAR VOUT
VIDEO GND
R377 R377
FRONT VOUT
0
REAR RCH
AUDIO GND
REAR LCH
R376
MIC_GND
R376 0
MIC
EXCEPT
DV2000:
CN302
US,CND 10P
BUS L
BUS GND
BUS R
(DV2000) VIDEO GND
FRONT VIDEO OUT
R335
0
REAR RCH
AUDIO GND
REAR LCH
MIC_GND
MIC
R830
15k
L304
47µH
R829
100k L303 R701
100µH 0
R708
(DV2000)
C851 C845 0
220 47
10V 16V
IN_LF
IN_RF
IN_RR
(Page 7)
IN_LR
SUB OUT
CENTER OUT
(R)
FRONT AUDIO OUT
(L)
(R)
BUS AUDIO IN
(L)
REAR VIDEO OUT
FRONT VIDEO OUT
(R)
REAR AUDIO OUT
(L)
MIC IN
(DV2000)
(DV1000)
(L)
BUS AUDIO IN
(R)
VIDEO OUT
(R)
REAR AUDIO OUT
(L)
MIC IN
VP
(Page 7)
REG
SGND
PGND
(Page 8)
VOUT_F
VOUT_R
VOUT_GND
(CHASSIS)