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45
HCD-GTX66/GTX77
HCD-GTX66/GTX77
6-13. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 62 for IC Block Diagrams.
12
K
3
4
A
6
D
9
F
E
2
C
5
1
G
13
8
B
15
7
14
11
10
H
16
3 . 2
3 . 2
3 . 2
0
0
0
0
0
0
0
0
3 . 2
3 . 2
0
0 . 1
0
0 . 1
0
0
3 . 2
0
0
0
0
0
0 . 1
3 . 2
0 . 1
3 . 3
3 . 2
0 . 1
3 . 3
3 . 2
3 . 2
0
0
0
0
0
0
0
0
0 . 6
0 . 6
3 . 2
3 . 2
( 0 )
0
0 ( 9 )
9
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
0 ( 9 )
0
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
9
4 . 4
4 . 5
4 . 4
4 . 5
4 . 4
0
4 . 5
4 . 4
4 . 5
4 . 5
4 . 5
0
3 . 2
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
0
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 2
9
0
4 . 5
0
0
4 . 5
4 . 5
4 . 1
0
4 . 5
0
4 . 1
3 . 2
0
4 . 5
4 . 5
3 . 2
0
(GTX66)
(GTX77)
2
3
2
1
3
2
1
(GTX66)
1
(GTX77)
(GTX66)
3
(GTX77)
G
L1
R1
L2
R2
J101
220p
C263
220p
C260
220p
C261
220p
C262
10V
1000
C535
0.1
C520
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
M61529FP-D60G
IC101
10k
R122
10k
R156
10k
R155
50V
10
C161
C160
10k
R152
50V
1
C159
0.022
C157
0.022
C156
2.2k
R151
0.068
C140
50V
10
C153
50V
10
C154
50V
10
C155
10k
R140
1k
R154
100
R166
220
R157
R257
1.8k
R250
1.8k
2SD2114KT146
Q251
2SD2114KT146
Q250
10V
100
C100
50V
10
C150
50V
10
C103
50V
10
C104
50V
10
C105
100
R116
220
R107
2.2k
R101
100
R150
0.1
C115
50V
10
C111
0.22
C112
C113
C110
10k
R121
100
R119
10k
R106
R103
47k
R105
50V
1
C109
0
FB150
0.022
C106
0.022
C107
10k
R102
50V
10
C130
2.2k
R130
2.2k
R131
100k
R133
50V
0.47
C131
0.1
C536
10EDB40-TB3
D561
10EDB40-TB3
D562
50V
C281
10
50V
C280
10
JR129
0
10V
220
C116
10V
470
C585
0.1
C586
4.7k
R602
4.7k
R603
10V
470
C587
0.1
C588
0.1
C534
50V
10
C596
50V
10
C597
50V
10
C600
50V
10
C601
1M
R132
8
7
6
5
4
3
2
1
TC74VHC157FT(EKJ)
IC568
JW563
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN5051
A
VDD (3.3V)
R-OUT
DACGND
L-OUT
AGND
/RST
BUS0
BUS1
BUS2
BUS3
BUCK
/CCE
REQ
SBSY
DGND
D-OUT
DVDD (3.3V)
VM(7V)
MGND
M-MUTE
LRCKIN
BCKIN
AIN
ST_REQ
GA
TE
CLK
D
ATA
0.1
C603
0.1
C604
0.1
C605
10k
R621
10k
R620
10k
R622
10k
R623
10k
R624
10k
R625
10k
R626
10k
R627
Q602
SELECT SWITCH
RT1N141C-TP-1
10k
R628
0.1
C609
33k
R632
33k
R630
1k
R629
1k
R631
10k
R640
10k
R641
10k
R642
8
7
6
5
4
3
2
1
BU4052BCF-E2
IC563
8
7
6
5
4
3
2
1
BU4052BCF-E2
IC564
R255
10k
R251
10k
R153
10k
R656
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN5053
D
ATA
CLOCK
D0
D1
USB-S0
USB-S1
BCK
A-IN
GA
TE
REQ
ST
-REQ
USB-RST
LRCK
DVSS
DVSS 3.3V
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
7
6
5
4
3
2
1
TC74HC4066AFT(EL)
IC567
7
6
5
4
3
2
1
TC74HC4066AFT(EL)
IC566
JW580
JW272
0
FB507
0
FB509
0
FB512
6.8k
R613
6.8k
R612
820k
R605
820k
R606
820k
R604
820k
R608
820k
R609
820k
R607
1k
R667
1k
R668
S
2SK3378ENTL
Q608
S
2SK3378ENTL
Q610
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN512
+9V
DGND
CTRL1
SELECTOR
AGND
INPUT L
AGND
INPUT R
AGND
OUTPUT R
AGND
OUTPUT L
AGND
S0
S1
S2
CTRL3
JW266
1k
R104
C108
0.022
C158
0.022
C615
0.01
C625
0.01
Q101
2SC2712-YG-TE85L
RT1N141C-TP-1
Q591
RT1N141C-TP-1
Q597
RT1N141C-TP-1
Q596
RT1N141C-TP-1
Q598
Q151
2SC2712-YG-TE85L
JW576
470k
R616
470k
R617
470k
R614
470k
R615
470k
R669
470k
R670
100k
R643
100k
R644
100k
R649
100k
R648
100k
R650
100k
R654
3.3k
R267
3.3k
R266
3.3k
R265
3.3k
R264
2.7k
R270
2.7k
R271
1.8k
R269
1.8k
R268
100k
R679
50V
3.3
C102
50V
3.3
C152
50V
3.3
C251
50V
3.3
C250
50V
4.7
C595
50V
4.7
C594
50V
4.7
C590
50V
4.7
C589
47k
R252
47k
R256
0.01
C264
JW260
C5
C4
C3
C2
C1
A15
A14
A12
A11
A10
A9
A8
A7
A6
A5
A2
A1
A3
A4
A13
A17
F9
F8
F7
F6
F5
F4
F3
F2
F1
F12
0.22
C163
C162
LRCKIN
AIN
D
ATA
CLOCK
GA
TE
ST_REQ
D
ATA
CLOCK
AIN
GA
TE
ST_REQ
BCKIN
BCKIN
6
24
23
19
1
78
25
26
27
35
36
38
31
34
81
75
LRCKIN
77
18
7
28
82
22
21
39
5
3
2
TV IN
IC563
SIGNAL SELECTER
IC564
SIGNAL SELECTER
IC101
INPUT SELECT SWITCH,
IC568
SIGNAL SELECTER
IC567
SIGNAL SELECTER
IC566
SIGNAL SELECTER
MAIN BOARD (2/4)
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
Q250,251
MUTE
Q596,597
SELECT SWITCH
Q598
EFFECTOR SELECT SWITCH
Q151
DBFB SWITCH
Q101
DBFB SWITCH
L
R
L
R
AUDIO
IN
VIDEO
IN
AUDIO
VIDEO
J101
C113,162
0.27
0.33
C110,160
0.01
0.015
R103,153
560
620
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
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