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45
HCD-GTX88
HCD-GTX88
6-13. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 64 for IC Block Diagrams.
(Page 51)
(Page 46)
(Page 47)
(Page 41)
(Page 53)
(Page 44)
(Page 44)
12
K
3
4
A
6
D
9
J
F
E
2
C
5
1
G
I
13
8
B
15
7
14
11
10
H
16
1
BOARD
(1/4)
MAIN
2
BOARD
(1/4)
MAIN
USB BOARD
D
CN907
BD91 BOARD
A
CN202
EFFECTOR BOARD
E
CN1502
5
MAIN BOARD (3/4)
6
MAIN BOARD (4/4)
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
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
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
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
9
0
0
4.6
3.2
0
100k
RT1N141C-TP-1
G
L1
R1
L2
R2
J101
220p
C263
220p
C260
220p
C261
220p
C262
0
R261
0
R262
42
41
37
38
39
40
1
2
3
4
5
34
35
36
6
7
8
9
30
31
32
33
10
11
12
13
29
28
27
14
15
16
26
25
17
18
24
23
22
19
20
21
M61530FP-D60G
IC201
FR LPFOUT
FR LPFIN
SL EXTIN
SL VOLIN
SL LPFOUT
SL LFPIN
SR EXTIN
SR VOLIN
SR LPFOUT
SR LPFIN
C VOLIN
C LFPOUT
C LPFIN
LFE VOLIN
SW IN
VCC
D
ATA
CLOCK
GND
TEST
AGC
SW LPFOUT
SW LPFIN
SW OUT
C OUT
SR OUT
SR BB2
SR BB1
SL OUT
SL BB2
SL BB1
FR OUT
FR IN
FL OUT
REF OUT
REF IN
L LPFIN
L LPFOUT
R LPFOUT
R LPFIN
FL LPFIN
FL LPFOUT
R229 6.8k
6.8k
R228
0.1
C231
0.1
C220
10V
100
C222
10V
100
C223
0.1
C221
12k
R221
100k
R220
C230
0.1
50V
1
C207
220p
C206
0.1
C205
220p
C203
1k
R204
1k
R205
10V
220
C204
0
R203
50V
10
C202
10V
1000
C535
0.1
C520
42
41
37
38
39
40
1
2
3
4
5
34
35
36
6
7
8
9
30
31
32
33
10
11
12
13
29
28
27
14
15
16
26
25
17
18
24
23
22
19
20
21
M61529FP-D60G
IC101
REF
MIC
INA1
INB1
INC1
IND1
RECA1/Nex1
RECB1
TMI1
TMO1
TCA1
TCB1
TCC1
TOUT1
VILIN1
BB_A1
BB_B1
OUT1
SAOUT
VCC
D
ATA
CLOCK
GND
SWOUT
OUT2
BB_B2
BB_A2
VOLIN2
TOUT2
TCC2
TCB2
TCA2
TMO2
TMI2
RECB2
RECA2/INex2
IND2
INC2
INB2
IINA2
SUR2/DPL2
SUR1/DPL1
10k
R122
10k
R156
10k
R155
50V
10
C161
C160
0.015
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
0.27
C113
C110
0.015
10k
R121
100
R119
10k
R106
560
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
TP213
TP212 TP211 TP210
TP209 TP208
TP207 TP206
TP205
TP204
TP203
TP202
TP201
10EDB40-TB3
D561
10EDB40-TB3
D562
50V
C281
10
50V
C280
10
JR129
0
0.1
C240
0.1
C241
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
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74VHC157FT(EKJ)
IC568
SELECT
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
/ST
VCC
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
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BU4052BCF-E2
IC563
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
A
B
X3
X0
X
X1
X2
VDD
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BU4052BCF-E2
IC564
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
B
A
X3
X0
X
X1
X2
VDD
R255
10k
R251
10k
560
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
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74HC4066AFT(EL)
IC567
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
3C
VCC
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74HC4066AFT(EL)
IC566
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
1C
VCC
JW580
JW272
0
FB260
0
FB261
0
FB263
0
FB262
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
0.022
C615
C625
0.01
Q101
2SC2712-YG-TE85L
RT1N141C-TP-1
Q591
RT1N141C-TP-1
Q597
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
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
C242
0.1
C5
C4
C3
C2
C1
A16
A15
A14
A12
A11
A10
A9
A8
A7
A6
A5
A2
A1
A3
A4
A13
A17
F11
F10
F9
F8
F7
F6
F5
F4
F3
F2
F1
F12
0.22
C163
0.22
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
79
80
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,
IC201
SURROUND VOLUME CONTROL
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
Summary of Contents for HCD-GTX88
Page 103: ...103 HCD GTX88 MEMO ...