Schematic Diagram - Main Section (4/4) - Sony HCD-GTX88 Service Manual

6-15. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 67 for IC Block Diagrams.
1 2
A
MAIN BOARD ( 4 / 4 )
B
Q587 Q586,588
FAN DRIVE FAN DETECT
Q587
M892
CN581 2SD2525
12.6 16.3
DC FAN 3P
FAN + 1
FAN - 2 13.2
FAN +
3
C
Q586
2SC2712-YG-TE85L
D
CN501
13P
-B 13
-B 12
UNREG 11
DGND
10
POWER-GND 9
POWER-GND 8
POWER
S
DBFB FB 7
BOARD
CN600 FR RY PROTECT
6
(Page 59)
FAN DET 5
E
A+9V 4
AC CUT DETECT 3
LINK RELAY 2
FRONT RELAY 1
CN508
17P
GC RESET
1
11C-CLK 2
11C-DATA 3
SIRCS
F 4
KEY INT DISPLAY 5
KEY INT POWER 6
POWER LED 7
GC DGND
8
PANEL
F
BOARD LED+9V 9
CN906
LED GND 10
(Page 55)
NO USE TP947
11
EVER +4V 12
VF(2) 13
VF(1) 14
G
VG
15
SPEANE GND 16
SPEANA 17
NO503
7P
DGND 1
-VG 3
TRANS
VF(1)
4
K
BOARD
VF(2) 5
CN1214
(Page 63) AC3 6
H
AC3 7
D1
MAIN
7
BOARD
(3/4)
(Page 46) D3
I
J
HCD-GTX88
3 4 5
(Page 44)
MAIN BOARD (1/4)
4
7
0
R588
1k
0.7
Q588
2SC2712-YG-TE85L
71
70
37
29
30
4
73
74
3301
9.1
JW567
3
C562
100
16V
9.1
3
C563
470
10V
'
'
D540
D5SBA60
RECT
D595
MC2837
EPT561
(CHASSIS)
6 7 8
D550
MA111-TX
IC550
RT8H015C-T112-1
IC B/D
16.5 16.5
IC550
0
PROTECTOR
C550 100 16V
0
3.4
C551
0 . 1
IC561
IC B/D
+9V REG
IC561
IC570
BA09T
16.5 USB+9V REG
JW577
OUT
VCC
1
GND
2
IC570
PQ09RD21J00H
IC560
BA09T
16.5
IC560
1 2 3 4
OUT
VCC
1
GND
+9V REG
2
C566
4700
25V
RPOTECTOR GND
JW572
REGULATOR GND USB GND
CENTER GND FAN GND
M GND LIGHTING GND
DGND A GND
TC BIAS GND SW DGND
SUBTRANS GND
GC DGND
LED GND
JW522
MC DGND
POWER GND
SPEANA GND
EPT560
(CHASSIS)
47 47
9 10 11
(Page 45)
MAIN BOARD (2/4)
6
R666
C620
1k
2 . 2
50V
67
72
EXCEPT AUS MODEL
D102
MA111-TX MA111-TX
Q550
3.4
RT1N430C-TP-1
R551
D551 0.4
56k
MA111-TX
R184
C180
1k
4 . 7
C553 50V
1000
25V
Q550
OVER VOLTAGE
DETECT SWITCH
C181
4 . 7
R185
50V
1k
E2,E51 MODEL
69 94
67
68
95
97
IC B/D
IC565
Q582
USB+5V REG 2SC2712-YG-TE85L
IC565
Q584
PQ05RD21J00H
RT1N430C-TP-1 13.3
33
-0.9
1 2 3 4 0
R575
1k
16.5
0.7
0
3.2
40 88
R578
1k
Q590 Q603 Q580
RT1N141C-TP-1 RT1N141C-TP-1 2SC2712-YG-TE85L
Q590,603 Q584 Q580,582
USB POWER CONTROL SWITCH FAN CONTROL SWITCH FAN DETECT
CLP01 CLP02 CLP03 CLP04 CLP05 CLP06 CLP07
JL001 JL002 JL003 JL004
HCD-GTX88
12 13 14
Q607
CN513
MUTE 8P
8
DC DETECT
7 OVERLOAD
6 UNREG
0 SUBWOOFER
5 UNREG
I
BOARD
-6.7 4 STK MUTE CN700
(Page 61)
R665 3 SW RY
2 . 2 k
2 SW A-GND
Q607
1 SW OUT
2SD2114KT146
J103
DGND 5P
R112 Q325
0 D+4V SWITCH
IIC DATA
L+R J103
D-LIGHT
D+4V SYNC OUT
AA
D101
7.6
IIC CLK
4.6
Q325
R111
2SC5053T100Q
0
4
Q180,181
MUTE
R180
0
1k
-6.7
Q180
2SD2114KT146
CN502
Q181
8P
2SD2114KT146
1 L-IN
-6.7
R181
2 PREGND
1k
0
3 R-IN
POWER
4 DC DETECT
H
BOARD
OVERLOAD DETECT CN601
5
(Page 59)
6 THERMAL VACS
7 STK MUTE
8 HP MUTE
CN102
R108
1
+9V
CN102
DGND
SYSTEM
R659 100 SW VOL
CONTROL
R637 100 SW-LED
Q585
2SD2525(TP) M891
16.5 12.6 CN580
DC FAN
3P
FAN +
1
13.3 2 FAN -
3 FAN +
7
0.1
0.7
NO504
Q581
2P
2SC2712-YG-TE85L
USB
2
GND C
BOARD
USB +5V
1 CN901
(Page 51)
Q581 Q585
FAN HI SPEED CONTROL SWITCH FAN DRIVE