45
45
HCD-GTX777/GTX787/GTX888
HCD-GTX777/GTX787/GTX888
123456789
1
0
1
1
1
4
1
5
12
13
A
B
C
D
E
F
G
H
I
J
6-13.
SCHEMA
TIC DIA
GRAM — MAIN BO
ARD (1/4) —
• Ref
er to pa
g
e
67 IC Bloc
k Dia
grams.
4.5
4.5
4.5
5.4
5.5
3.8
5.5
5.5
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
4.5
4.5
0
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
4.5
4.5
4.5
4.5
9.0
4.5
4.5
4.5
4.5
4.5
4.5
0
0
0
5.5
3.9
5.5
5.5
5.5
2.8
2.8
5.5
3.8
2.7
2.7
2.8
2.8
2.7
2.7
2.7
1.2
1.2
0
3.8
2.6
2.7
4.5
4.5
4.5
8.9
4.5
4.5
4.5
4.5
4.5
4.5
4.5
9.0
0
5.5
0
3.8
0
0
5.5
2.7
2.7
1.9
0
0
1.9
0
0
IC B/D
IC B/D
IC B/D
IC B/D
50V
2.2
C29
50V
10
C43
5 0V
0.47
C 12
220k
R103
0.022
C98
50V
2.2
C79
1 0k
R 16
50V
10
C30
50V
10
C93
0.022
C48
0.22
C77
5 0V
1 0
C 8
0.22
C27
50V
1
C
111
50V
10
C88
50V
0.47
C49
50V
10
C80
0.1
C19
680
R17
50V
10
C26
50V
10
C89
10k
R72
220k
R153
C152
22p
C102
22p
680
R67
1M
R29
50V
10
C39
50V
10
C76
50V
10
C45
50V
10
C38
10k
R22
16V
220
C22
16
15
14
13
12
11
10
9
87654321
M 65
8 50
F P-
E 1
I C
5 01
N C
L P
F 1I
N
L PF
1 O
U T
O P1
O U
T
O P1
I N
C C
1
C C
2
G ND
L PF
2 O
U T
L P
F 2I
N
O P2
O U
T
O P2
I N
R EF
C LK
V C
C
N C
100
R506
100
R502
10k
R519
100k
R583
47p
C576
50V
1
C502
10V
100
C504
2SC5053T100Q
Q502
10k
R518
820
R510
18k
R513
0.01
C503
50V
10
C573
1500p
C516
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
8
7
6
5
4
3
2
1
TC74L
VX4051FT
IC500
D4
D6
COM
D7
D5
INH
VEE
GND
C
B
A
D3
D0
D1
D2
VCC
4 7k
R 58
6
100
R503
3.9k
R525
50V
10
C18
33
R531
1k
R590
100k
R582
18k
R527
25V
0.1
C515
100k
R589
16V
47
C514
47p
C526
50V
47
C51
1
2.2k
R530
18k
R522
1500p
C507
18k
R512
2 2k
R 54
2
2 2k
R 54
1
39k
R501
2.7k
R523
470
R509
18k
R521
4 70
0 p
C 57
4
1k
R540
5 0V
0.22
C 50
5
0.068
C510
5 0V
0.22
C 50
8
10k
R520
330p
C506
C 57
5
330
R508
50V
10
C522
0.1
C518
0.1
C501
1.8k
R526
50V
10
C523
1.2k
R507
100k
R533
47k
R536
100k
R539
50V
10
C521
50V
10
C528
47k
R524
0.068
C512
2.2k
R9
22k
R18
22k
R68
16V
C1
15
47
R171
10k
C160 22p
R124
470
C1
13
47p
470
R1
16
R121
10k
C163
47p
16V
C109
470
R174
470
C1
10
22p
16V
C165
47
470
R166
C107
1000p
2SC3052EF-
T1-LEF
Q52
2SC3052EF-T1-LEF
Q2
2SC3052EF-T1-LEF
Q504
2SC3052EF-T1-LEF
Q503
50V
10
C40
50V
10
C90
100k
R1
15
100k
R165
2 2k
R 51
1
2 2k
R 50
4
50V
10
C106
50V
10
C156
50V
10
C91
50V
10
C41
50V
10
C44
50V
10
C144
J W
5 02
100k
R532
8
7
6
5
4
3
2
1
NJM4558M-TE2
IC502
O/P(1)
V
-(1)
V+(1)
GND
V+(2)
V-
(2
)
O/P(2)
VCC
8765
4
3
2
1
NJM4558M-TE2
IC100
O/P(1)
V -(1)
V+(1)
G ND
V+(2)
V -(2
)
O/P(2)
V C
C
4700p
C524
33k
R20
33k
R70
33k
R23
33k
R73
1
2
3
4
5
6
7
7P
CN101
H P
D ET
E C
T
A U
D IO
- L
A -G
N D
A U
D IO
- R
M IC
- G
N D
M IC
- SI
G N
A L
A +9
V
0.01
C13
0.01
C16
0.047
C 23
MAZ8062GMLS0
D500
18k
R543
27k
R544
1k
R515
1k
R514
100k
R549
100k
R599
0.033
C500
68k
R529
47k
R528
R 58
7
R35
0
10k
R1
1
1 0k
R 12
100k
R545
100k
R546
S
2SK3378ENTL
Q500
S
2SK3378ENTL
Q501
S
2SK3378ENTL
Q555
S
2SK3378ENTL
Q505
1k
R8
1k
R58
C81
22p
C31
22p
0.1
C657
G
J100
10k
R71
10k
R21
47k
R101
47k
R151
R 10
6
R156
R107 220k
R 15
7
2 20
k
100k
R30
50V
4.7
C100
4.7k
R28
4.7k
R78
330k
R86
*
1
*
1 R19, R69
10k : GTX787
27k : GTX888
R69
*
1
0.47
10
50V
R19
*
2
C25
*
2
C75
50V
2.2
C121
R172 27k
R122
27k
C97
C47
R33
10V
100
C14
6.3V
470
C15
2.2k
R538
2.2k
R588
1
2
3
4
5
6
7
8
9
9P
CN103
S T-
L
S T+
9 V
S T-
R
G ND
T U
N ED
S T-
C E
S T-DIN
S T-
C LK
S T-
D O
U T
1
2
3
4
5
6
7
8
9
1 0
1 1
CN100
EXCEPT
A
E
P
AEP
S T-
L
S T+
9 V
TU901
FM/AM TUNER
P
A
C
K
S T-
R
G ND
T U
N ED
S T-
C E
S T-DIN
S T-
C LK
S T-
D O
U T
R D
S -IN
T
R D
S -D
A TA
J W
5 06
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
R2A15216FP
IC50
AUX-R
TAPE-R
INFR
GAMER
INGAINOUTR
RECAR
RECBR
SA1
SA2
TRER
MID1R
MID2R
BASS1R
BASS2R
T O
N EO
U TR
V O
L IN
R
B B1
R
B B2
R
O U
T R
A G
C O
U TR
D AT
A
C LK
S W
O UT
A G
C C
A G
C O
U TL
O U
T L
B B2
L
B B1
L
VOLINL
TO
N
E
OU
T
L
BASS2L
BASS1L
MID2L
MID1L
TREL
RECBL
RECAL
INGAINOUTL
GAMEL
INFL
TAPE-L
AUX-L
S T-
L
C D
- L
V ID
E O
- L
M IC
V C
R EF
O U
T
R EF
I N
G ND
V C
C
D PL
L /S
U R
L
D PL
R /S
U R
R
V ID
E O
- R
C D
- R
S T-
R
C33
C83
C50
R83
C96
C46
1k
R24
1k
R74
1000p
C82
47k
R48
47k
R98
220k
R97
220k
R47
TC-REC-R
TC-REC-L
C D
- L
ST
-R
C D
- R
ST
-L
M IC
S A1
EFFECT
OR-OUT
-L
EFFECT
OR-OUT
-R
SA2
76
77
78
AUX-R
VA
C
S
USB-REC-R
U SB
- R
E C
- L
VIDEO-L
VIDEO-R
R -IN
L-IN
M IC
A U
X -R
A U
X -L
E FF
E C
T O
R -IN
- R
SA2
EFFECT
OR-OUT
-L
EFFECT
OR-OUT
-R
EFFECT
OR-IN-R
SA1
EFFECT
OR-IN-L
41
40
U SB
- R
E C
- R
USB-REC-L
EFFECT
OR-IN-L
5 9
6 7
6 8
6 9
7 0
TAPE-L
TAPE-R
V ID
E O
- R
VA
C
S
3.9k
R137
7 5
7 4
AUX-L
S T-
R
S T-
L
VIDEO INPUT
L
0.47
*
2 C25, C75
0.22 : GTX888
0.27 : GTX777
0.33 : GTX787
4.7k
4.7k
0.01
*
5
*
5 C46, C96
0.01 : GTX787/GTX888
0.0082 : OTHER MODELS
0.01
*
5
MAIN BOARD
(1/4)
*
6 R106, R156
1
k
: A
E
P, E3, MX,
A
U
S
10k : E2, E51,
A
R
1
2
3
4
5
6
8
9
14
10
11
12
1 3
1 7
1 5
4 0
1 6
1 8
1 9
2 2
2 1
1
MAIN BOARD
(3/4)
(Page 47)
2
MAIN BOARD
(4/4)
(Page 48)
3
MAIN BOARD
(2/4)
(Page 46)
*
6
*
6
R
H
MIC BOARD
NO908
(Page 62)
COAXIAL
FM 75
AM
ANTENNA
R584
C531
150
470p
50V
R534
150
C581
470p 50V
R535
1 k
R585
1 k
JW451
J W
5 10
50V
10
C301
0
R591
CHIP
4.1
4.5
4.5
4.5
4.1
4.5
9.0
5.5
6.2
INPUT
SELECT
SWITCH
IC50
DIGIT
A
L DELA
Y
IC501
M
U
LTIPLEXER
IC500
AMP
IC100
MIXER
IC502
B+ SWITCH
SWITCH
SWITCH
BUFFER
BUFFER
SWITCH
SWITCH
SWITCH
SWITCH
V
e
r.
1.1
Summary of Contents for HCD-GTX777
Page 107: ...MEMO 107 HCD GTX888 GTX777 GTX787 ...