Schematic Diagram - Main Board (2/2) - Sony XR-CA370 Service Manual

5-4. SCHEMATIC DIAGRAM – MAIN Board (2/2) – •
(2/2)
A1
A2
A3
A4
INPUT SELECT,
ELECTRICAL
VOLUME
IC400
BD3803F-FE2
A5
A6
R418
100
C410
47
16V
C411
0.01
R400
10
A7
A8
(Page 16)
R657
100
A9
Q651
2PB709A
B+ SWITCH
D651 R656 R655 C601
1SS133 27k 47k 0.1
A10
R81
100k
RESET SIGNAL
GENERATOR
IC2
PST3443UL
C7
C81
0.047F
0.1
5.5V
A11
R710 D807
Q710
4.7 11ES2
2SA1428
1/2W
Q710,711
R712
B+ SWITCH
1.5k
Q711
A12
PDTC114EK
A13
A14
A15
A16
See page 20 for IC Block Diagram.
CN400
BUS AUDIO IN
R L R
R416 R414 C428 C431
10k 1k 100p 100p
R417 R415 C429
10k 1k 100p
OF2
C416 R402
4.7 100
50V
Q400
DTC314TK
C414 R406
10p 47k MUTING
C415 R407
Q401
10p 47k
DTC314TK
C417
MUTING
4.7
R403
50V
100
OR2
OF1
C418 R404
4.7 100
50V
Q402
DTC314TK
C412 R408
10p 47k MUTING
C413 R409
Q403
10p 47k
DTC314TK
MUTING
C419
4.7
R405
50V
100
OR1
R401
39k
TU11
R654
100k
R652
47k
Q650
2PD601A R650
4.7k
ACCESSORY
C650
R653 R651
CHECK 1
4.7k 47k
50V
R663
100k
R713
10k
D740
11ES2
R711
1.5k
Q740
2SA1428
Q741 R740
2PD601A Q740,741 22k
+5V REGULATOR
C742 C740
C710 D741 C741
100 10
0.1 HZS681L 0.01
10V 16V
AUDIO OUT
L
R853
0
POWER AMP
GND
C506
R503
10
1k
AU5 16V
C430
STBY
100p
C507
0.1
VCC2
C500 GND
47
C420 C424 R410 C522
16V
0.47 0.47 100 470p
RIPPLE
FL IN
C520
470p
FR IN
R500 C501 C504
10k 0.0047 1
AU1
BEEP
C521
470p
GND
R501
C421 C425 R411 22 C508
0.47 0.47 100 0.1
VCC1
C523
470p
C422 C426 R412
MUTE
0.47 0.47 100
C505
10
16V
GND
R502
10k
AU6
C423 C427 R413 R504
0.47 0.47 100 47k
Q730
2SD1760
+9V REGULATOR
Q450
D451 R450
PDTA114EK
1SS133 47
Q731
2PB709A
R732
470 R730
C453 10k
2.2
R452
4.7k Q731,732
Q450,451
REGULATOR
MUTING R731
C452 R451 D452 CONTROL 2.2k
CONTROL
1 10k MTZJ7.5C
SWITCH
SWITCH
C732
C733
100
470p Q732
10V C730
D731 PDTC114EK
10
MTZJ9.1C
16V
Q451
PDTC144EK C451
C734 C731
47
1 0.01
16V
BUS5
R814
BUS4
220k
BUS6
R815
BUS3
0
BUS2
BUS1
R804
10
Q800
PDTC114EK
BATTERY D805 R811
MTZJ188 1k
DETECT
C801
0.01
17 17
IC500
TDA7386
GND
D503
11ES2
FL- SP1
D502
11ES2
SP2
D501
FL+
11ES2
RL- SP3
D500
11ES2
SP4
RL+
RL IN
CN700
16P
SP2 FL+
GND
SP1 FL-
RR IN SP4 RL+
SP3 RL-
RR+ SP5 SP5 RR+
D507
SP6 RR-
11ES2
SP6 SP7 FR+
D506
RR- SP8 FR-
11ES2
FR+ SP7 AMP-REM
D505
11ES2
SP8 ATT-REM
D504
FR-
11ES2
ACC
TEST
R664
1k
GND
C700 L700
C701 D700
3300 250µH
0.22 IN5404TU
16V
Q722
R852
2SA1428
0
TH700 D721
11ES2
Q724
2SA1428
TH701
R720 D723
10k 11ES2
Q722,724-726 R721 R725
R728
560 560
B+ SWITCH 10k
1/2W 1/2W
R722
0 D724 D722
Q726 11ES2 11ES2
PDTC114EK
Q725
PDTC114EK
GND
DATA BUS-ON
GND
OUT
DATA BUS-DATA
DATA
I/O
IN
BUS-CLK
VREF
B/U-C
D800 +B.U
CLK
MTZJ6.8B
CLK-IN TH800
R800 10k
BATT
BUS-IN
R801 100 RESET
RST
RST
R802 100
BUS-ON
VCC
IC800
MM1175XFF
SONY BUS C800
D802 D803
330
INTERFACE MTZJ18B MTZJ18B
16V
XR-CA370/CA370X
(CHASSIS)
(CHASSIS)
FRONT LCH+
FRONT LCH-
REAR LCH+
REAR LCH-
REAR RCH+
REAR RCH-
FRONT RCH+
FRONT RCH-
ANT REM
BATT ACC
BATT
GND
F901
10A
32V
REAR RCH+
REAR RCH-
BATT FRONT RCH+
FRONT RCH-
FRONT LCH+
ANT REM FRONT LCH-
GND REAR LCH+
ACC REAR LCH-
CN800
8P
BUS CONTROL IN
(FOR SONY BUS)
(CHASSIS)
(CHASSIS)