Schematic Diagram - Main Section (4/4) - Sony HCD-GTX66 Service Manual

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3 7 6 3 1 5 1 5 0
6-15. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 64 for IC Block Diagrams.
1 2
A
MAIN BOARD (4/4)
B
C
CN501
13P
-B
-B
UNREG
DGND
POWER-GND
POWER-GND
POWER
D S
BOARD DBFB FB
CN600
FR RY PROTECT
(Page 59)
FAN DET
A+9V
AC CUT DETECT
LINK RELAY
FRONT RELAY
T E
L 1 3 9 4 2 2 9 6 5 1 3
CN508
17P
GC RESET
1
E
11C-CLK
2
11C-DATA
3
SIRCS 4
KEY INT DISPLAY
5
KEY INT POWER
6
POWER LED
7
GC DGND 8
PANEL
BOARD F
LED+9V
9
CN906
LED GND
10
(Page 55)
NO USE
11 TP947
F
EVER +4V 12
VF(2)
13
VF(1)
14
VG
15
SPEANE GND 16
SPEANA
17
NO503
7P
DGND 1
-VG
3
G TRANS
VF(1)
4
K
BOARD
VF(2)
5
CN1214
(Page 61) AC3 6
AC3
7
D1
MAIN
7
BOARD
H ( 3 / 4 )
D3
(Page 46)
w w w
I
HCD-GTX66/GTX77
3 4 5
(Page 44)
MAIN BOARD (1/4)
4
71
70
37
29
30
4
73
74
IC561
3301
+9V REG
IC561
TA7809LS
9 . 1 1 6 . 5
JW567
OUT VCC
3 GND 1
C562 2
100
16V
IC560
TA7809LS
9 . 1 1 6 . 5
OUT VCC
3 GND 1
C563
470
2
10V
'
'
D540
D5SBA60
REGULATOR GND
RECT
SUBTRANS GND
JW522
D595
MC2837
x a o
y
EPT561
(CHASSIS)
. i
http://www.xiaoyu163.com
6 7 8
MAIN BOARD (2/4)
6
D550
MA111-TX
IC B/D
IC550
PROTECTOR
R551
IC550
56k
RT8H015C-T112-1
1 6 . 5 1 6 . 5
C553
220
0
25V
C550 100 16V
0
3 . 4
C551
0.1
Q Q
3 7 6
IC B/D
IC570
USB+9V REG
JW577
IC570
PQ09RD21J00H
IC560
1 2 3 4
+9V REG
C566
4700
25V
RPOTECTOR GND
JW572
USB GND
CENTER GND FAN GND
M GND LIGHTING GND
DGND A GND
TC BIAS GND SW DGND
CLP01 CLP02 CLP03 CLP04 CLP05 CLP06 CLP07
GC DGND
LED GND
MC DGND
JL001
POWER GND
SPEANA GND
EPT560
(CHASSIS)
u 1 6 3
47 47
http://www.xiaoyu163.com
2 4
8 9 9
9 10 11
(Page 45)
R112
0
D102 D101
MA111-TX MA111-TX
Q550
Q180,181
3 . 4
RT1N430C-TP-1
MUTE
D551
0 . 4
MA111-TX
R184 0
C180
1k
4.7
50V
Q550
OVER VOLTAGE
DETECT SWITCH
C181
4.7
R185
3 1 5 1 5 0 50V 8 9
1k
0
E2,E51 MODEL
69 94
67
68
IC B/D
IC565
Q582
USB+5V REG 2SC2712-YG-TE85L
IC565
Q584
PQ05RD21J00H
RT1N430C-TP-1
1 3 . 3
33
- 0 . 9 7
1 2 3 4 0
R575
1k
1 6 . 5
0 . 7
0
0 . 1
3 . 2 0 . 7
40 88
R578
1k
Q580 Q581
Q590 Q603
2SC2712-YG-TE85L 2SC2712-YG-TE85L
RT1N141C-TP-1 RT1N141C-TP-1
Q590,603 Q584 Q580,582
USB POWER CONTROL SWITCH FAN CONTROL SWITCH FAN DETECT FAN HI SPEED CONTROL SWITCH
JL002 JL003 JL004
m
c o
.
HCD-GTX66/GTX77
2
8 9 9
12 13
J103
DGND 5P
Q325
D+4V SWITCH IIC DATA
L+R
J103
D-LIGHT
D+4V SYNC OUT
AA
7 . 6 IIC CLK
4 . 6
Q325
R111
2SC5053T100Q
0
4
R180
1k
- 6 . 7
Q180
2SD2114KT146
CN502
Q181
8P
2SD2114KT146
L-IN
1
- 6 . 7 R181
2 4 9 8 2 2 PREGND 9 9
1k
3 R-IN
POWER
4 DC DETECT
H BOARD
CN601
5 OVERLOAD DETECT
(Page 59)
6 THERMAL VACS
7 STK MUTE
8 HP MUTE
Q585
2SD2525(TP) M891
CN580
1 6 . 5 1 2 . 6
DC FAN
3P
1 FAN +
FAN -
1 3 . 3 2
3 FAN +
NO504
2P
USB
2 GND
C BOARD
USB +5V
1 CN901
(Page 51)
Q581 Q585
FAN DRIVE