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47
47
HCD-GTX66/GTX77
HCD-GTX66/GTX77
6-15. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 64 for IC Block Diagrams.
11
4
12
6
A
8
F
10
3
E
C
D
13
2
B
1
5
7
I
9
1 6 . 5
1 6 . 5
9 . 1
9 . 1
1 6 . 5
0
3 . 4
1 6 . 5
0
3 . 4
0 . 4
16.5
9
0
9
5.2
0.2
16.5
1 6 . 5
0
3 . 2
- 0 . 9
1 3 . 3
0 . 7
0
7
0 . 7
0 . 1
1 3 . 3
1 6 . 5
1 2 . 6
0
- 6 . 7
- 6 . 7
0
7 . 6
4
4 . 6
E2,E51 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
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
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
C553
220
50V
2.2
C552
16V
100
C550
0.1
C551
456
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
IC560
TA7809LS
IC561
TA7809LS
TP947
JW567
0
R112
R326
1k
0.1
C581
5P
J103
L+R
D+4V
IIC DATA
IIC CLK
DGND
1
1
2
2
3
3P
CN580
FAN +
FAN -
CLP01 CLP02 CLP03 CLP04 CLP05 CLP06 CLP07
1
2
3
4
10k
R610
10k
R611
0.1
C592
2P
NO504
USB +5V
GND
D595
MC2837
10k
R577
1k
R181
1k
R180
MA111-TX
D101
MA111-TX
D102
MA111-TX
D550
D591
RB501V
-40TE-17
UDZW
-TE17-6.8B
D583
UDZW
-TE17-4.7B
D325
D540
RECT
D5SBA60
10k
R187
10k
R186
UDZW
-TE17-6.2B
D581
C591
10V
470
C574
100
16V
0.1
C573
JL001
JL002
JL003
JL004
1
2
3
4
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
JW522
JW572
2.2k
R594
2.2k
R591
10k
R597
10k
R596
JW577
JW585
E10
E9
E8
E7
E6
E5
E4
E3
E2
E1
F1
F2
F3
F4
F6
F7
F8
F9
F6
F12
EPT560
(CHASSIS)
EPT561
(CHASSIS)
70
71
40
33
88
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
DC FAN
M891
FAN +
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
SYNC OUT
D-LIGHT
J103
1
2
3
1
2
3
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299