47
47
HCD-GTX88
HCD-GTX88
6-15. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 67 for IC Block Diagrams.
(Page 55)
(Page 44)
(Page 59)
(Page 63)
(Page 45)
(Page 46)
(Page 61)
(Page 59)
(Page 51)
11
4
12
6
H
A
8
F
10
3
14
E
G
C
J
D
13
2
B
1
5
7
I
9
CN600
S
POWER
BOARD
CN906
F
PANEL
BOARD
CN1214
K
TRANS
BOARD
(3/4)
7
MAIN
BOARD
MAIN BOARD (1/4)
4
6
MAIN BOARD (2/4)
BOARD
I
SUBWOOFER
CN700
BOARD
H
POWER
CN601
BOARD
C
USB
CN901
IC B/D
IC B/D
IC B/D
16.3
7
0
0.7
12.6
13.2
16.5
16.5
9.1
9.1
16.5
0
3.4
16.5
0
3.4
0.4
16.5
9
0
9
5.2
0.2
16.5
16.5
0
3.2
-0.9
13.3
0.7
0
7
0.7
0.1
13.3
16.5
12.6
0
-6.7
-6.7
0
7.6
4
4.6
-6.7
0
E2,E51 MODEL
EXCEPT AUS MODEL
‘
‘
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN508
GC RESET
11C-CLK
11C-DATA
SIRCS
KEY INT DISPLAY
KEY INT POWER
POWER LED
GC DGND
LED+9V
LED GND
NO USE
EVER +4V
VF(2)
VF(1)
VG
SPEANE GND
SPEANA
0
R111
2SC5053T100Q
Q325
680
R325
CN102
SW-LED
SW VOL
DGND
+9V
1
R108
R659
100
2SD2114KT146
Q180
2SD2114KT146
Q181
47k
R182
47k
R183
1k
R184
1k
R185
50V
4 . 7
C180
50V
4 . 7
C181
0.1
C580
2SD2525(TP)
Q585
1k
R575
1k
R578
HZU2.0BTRF
D584
0.1
C583
0.1
C582
1k
R588
1
2
3
4
5
6
7
8
8P
CN502
L-IN
PREGND
R-IN
DC DETECT
OVERLOAD DETECT
THERMAL VACS
STK MUTE
HP MUTE
1.8k
R553
56k
R551
25V
1000
C553
50V
2.2
C552
16V
100
C550
0 . 1
C551
1
2
3
45
6
RT8H015C-T112-1
IC550
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN501
FRONT RELAY
LINK RELAY
AC CUT DETECT
A+9V
FAN DET
FR RY PROTECT
DBFB FB
POWER-GND
POWER-GND
DGND
UNREG
-B
-B
25V
4700
C566
0.01
C561
0.01
C560
10V
470
C563
0.1
C564
16V
100
C562
0.1
C565
JW566
VCC
GND
OUT
BA09T
IC560
VCC
GND
OUT
BA09T
IC561
TP947
JW567
0
R112
R326
1k
0.1
C581
5P
J103
L+R
D+4V
IIC DATA
IIC CLK
DGND
1
2
3
3P
CN580
FAN +
FAN -
1
3
4
5
6
7
7P
NO503
DGND
-VG
VF(1)
VF(2)
AC3
AC3
CLP01
CLP02 CLP03
CLP04 CLP05 CLP06 CLP07
1
2
3
4
IC565
PQ05RD21J00H
VIN
VOUT
GND
VC
10k
R610
10k
R611
0.1
C592
1
2
2P
NO504
USB +5V
GND
D595
MC2837
R637
100
10k
R577
1k
R181
1k
R180
MA111-TX
D101
MA111-TX
D102
MA111-TX
D550
D591
RB501V
-40TE-17
Q607
2SD2114KT146
50V
2 . 2
C620
1k
R666
1
C621
47k
R664
2 . 2 k
R665
1
2
3
4
5
6
7
8
8P
CN513
SW OUT
SW A-GND
SW RY
STK MUTE
UNREG
UNREG
OVERLOAD
DC DETECT
UDZW
-TE17-6.8B
D583
UDZW
-TE17-4.7B
D325
D540
RECT
D5SBA60
10k
R187
10k
R186
UDZW
-TE17-6.2B
D581
C591
10
V
470
C574
100
16V
0.1
C573
JL001
JL002
JL003 JL004
1
2
3
4
IC570
PQ09RD21J00H
RT1N430C-TP-1
Q550
D551
MA111-TX
RT1N141C-TP-1
Q603
RT1N141C-TP-1
Q590
Q580
2SC2712-YG-TE85L
Q581
2SC2712-YG-TE85L
RT1N430C-TP-1
Q584
Q582
2SC2712-YG-TE85L
Q587
2SD2525
1
2
3
CN581
3P
FAN +
FAN -
JW522
JW572
2.2k
R594
2.2k
R591
10k
R597
10k
R596
4.7k
R590
4.7k
R584
D582
UDZW
-TE17-13B
Q588
2SC2712-YG-TE85L
2SC2712-YG-TE85L
Q586
R589
100k
JW185
JW577
JW585
D3
D1
E10
E9
E8
E7
E6
E5
E4
E3
E2
E1
F1
F2
F3
F4
F6
F7
F8
F9
F10
F11
F6
F12
EPT560
(CHASSIS)
EPT561
(CHASSIS)
70
71
40
33
88
95
97
67
72
69
68
67
94
37
29
30
4
73
74
3301
TC BIAS GND
GC DGND
M GND
A GND
LIGHTING GND
CENTER GND
POWER GND
RPOTECTOR GND
FAN GND
REGULATOR GND
SW DGND
LED GND
DGND
MC DGND
USB GND
AA
SUBTRANS GND
SPEANA GND
MAIN BOARD ( 4 / 4 )
+9V REG
IC561
IC560
+9V REG
IC570
USB+9V REG
IC565
USB+5V REG
PROTECTOR
IC550
FAN +
DC FAN
M892
VIN
VOUT
GND
VC
DC FAN
M891
FAN +
Q587
FAN DRIVE
Q586,588
FAN DETECT
Q590,603
USB POWER CONTROL SWITCH
Q584
FAN CONTROL SWITCH
Q580,582
FAN DETECT
Q581
FAN HI SPEED CONTROL SWITCH
Q585
FAN DRIVE
MUTE
Q180,181
D+4V SWITCH
Q325
OVER VOLTAGE
Q550
DETECT SWITCH
CONTROL
SYSTEM
MUTE
Q607
CN102
SYNC OUT
D-LIGHT
J103
1
2
3
1
2
3
Summary of Contents for HCD-GTX88
Page 103: ...103 HCD GTX88 MEMO ...