Schematic Diagram -Main Section (1/3) - Sony WX-GT77UI Service Manual

4-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
1 2
A
B
FRONT + 1 9
L-CH
-
C
REAR + 2 10
L-CH
-
REAR + 3 11
R-CH
-
FRONT + 4 12
R-CH
-
AMP REM
5 13
ATT
ANT REM 6 14
ILL
D
ACC
7 15
GND
8 16
FU601
BATT
10A
E
C601
0.1
F
G
J601
8P
(BUS CONTROL IN)
H
J701
(REMOTE IN)
I
J
WX-GT77UI/GT78UI/GT78UIM
• See page 27 for IC Block Diagrams.
3 4 5 6
MAIN BOARD (1/3)
CN701
16P
FL+ 1
RL+ 2
RR+ 3
FR+ 4
AMP-REM 5
ANT-REM 6
R701 4.7k
ACC 7
GND 8
FL- 9
RL- 10
RR- 11
FR- 12
R702 1k
TEL-ATT 13
R703 4.7k
ILL 14
TEST 15
+B 16
+B 17
L701
R705
+B 18 250uH
10k
+B 19
14.4
D707
1SS355WTE-17
R706
10k
C706 R707
R708
4.7 100k
22k
50V
R710 R711
R709 C707 C708
47k
4.7k
47k 0.47 0.47
IC B/D
R607 R608
15k 1k
Q601 IC601
BATTERY
CHECK
BUS INTERFACE
0 IC601
C603
BA8271F-E2
0.01
1.5 UNISI
GND DATA_OUT
5.3
UNISO
2.5 1.6
DATA_I/O
DATA_IN
R602
VREF 2.7 BU_CHECK
100
R601
BU_CHECK
100
UNISCK
0.1 3.2
CLK_IN
CLK
5.3 0 BUS_ON
BUS_IN
BATT
SYS_RST
0 3.3
RST
R605 R606 RST
0 100
5.1 5.1
R609 R610
BUS_ON VCC
TH601 330k 330k
R604 R603
1k 1k
C602
470
25V
D603
MAZ8180GMLS0
D708
L702
MAZ8068GMLS0
L703
L704
7 8 9
1 2 3 4 5 6 7 8
C301
0.22
C302
0.22
D701
1N5404-C311-3
D305
1A4-A2
R704
47k
Q701
2SC3052EF-T1-LEF W1 W2
TEL-ATT DETECT
0.6
R913
0 TEL_ATT 47
Q702
2SC3052EF-T1-LEF
D901
3 ILL DETECT
1SS355WTE-17
0 ILL_IN
Q703
2SC3052EF-T1-LEF
0.6
ACC DETECT
0 ACC_IN
RT1N141C-TP-1
C913
47
16V
13.9
BEEP_C
Q906,907
MUTE DRIVE
RC_IN0
RC_IN1
2
MAIN BOARD (3/3)
(Page 21)
19 19
10 11 12
IC B/D
IC301
IC301
I2C BUS CONTROLLED
POWER AMP/MULTIPLE TDA8588AJ/N2/R1
VOLTAGE REGULATOR
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
D311 D312
C303
1A4-A2 1A4-A2
22 25V
C312
0.22
C313
0.22
D307 D308 D306 D309 D310
1A4-A2 1A4-A2 1A4-A2 1A4-A2 1A4-A2
IC302
XC6218P332PR
2 3
5.1 3.3
I O
VSS
C328
1
C324 C325
C329
330
0.01 1000
0.1
6.3V
10V
IC302
C333
Q907 R303
2.2
150 +3.3V REG
0
C332 C330
IC303
47p R304 0.01
XC61CN2802NR
13.6 0
Q906
3.2
RT1P141C-TP-1
R305
VSS VOUT
47k
0 3.3
VIN
NC
C334 0.01
IC303
R307
100k
RESET
WX-GT77UI/GT78UI/GT78UIM
13 14 15
30 31 32 33 34 35 36 37
C314 C318
1 0.01
C319
10
16V
IN-FR
IN-FL
HOT_GND
IN-RR
IN-RL
C316 C320
0.01 0.01
C317 C321
10 10
16V 16V
MAIN
1
BOARD
(2/3)
(Page 20)
C322 C323
0.22 0.22
MUTE
8.5V
3.3V
A-GND
PANEL+B