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HCD-GTX777/GTX787/GTX888
HCD-GTX777/GTX787/GTX888
6-3.
BLOCK DIA
GRAM — MAIN SECTION —
J101
RCH
L
R
AUDIO
IN
DIGIT
AL DELA
Y
IC501
INPUT SELECT SWITCH
IC50
MIC AMP
IC1100
(1/2)
MIC AMP
IC1100
(2/2)
RV1150
MIC
LEVEL
CTRL
1
CTRL
3
DA
TA
CLK
LINE
MUTE
EFFECTOR
SYSTEM CONTROL
IC401 (3/6)
S0
S1
S2
9
LPF2OUT
9
SA2
A+9V
L+R
10
LPF2IN
11
OP2OUT
12
OP2IN
CLOCK
14
OUTL
OUTR
5
CD-L
44
CD-R
46
38
GAMEL
39
76
77
78
40
41
57
58
94
100
51
METER
LEVEL
72
RCH
L
R
VIDEO
IN
MIXER
IC502
DBFB
SWITCH
Q52
BUFFER
Q503
ST L
TC PB L
X
TAPE/TUNER
SECTION
TAPE/TUNER
SECTION
E
X
AMP/SUBWOOFER
SECTION
I
X
RF/SERVO
SECTION
J
REC OUT L
X
TAPE/TUNER
SECTION
D
X
AMP/SUBWOOFER
SECTION
F
X
AMP/SUBWOOFER
SECTION
H
X
C
DBFB F/B
R-IN
L-IN
41
TAPE-L
43
ST
-L
45
VIDEO-L
42
AUX-L
46
MIC
F–L
26
OUTL
37
RECB1
25
AGCOUTL
27
BB A1
28
BB B1
D
ATA
21
22
CLOCK
SW OUT
MUTE
Q51
D+4V REG
Q202
MUTE
Q53
LINE MUTE
Q303
CN201
D206,207
Q100,101
CN200
D-LIGHT
SYNC OUT
J1100
(1/2)
MIC
Q505
Q555
RCH
M61529
SW ON
LED
SW IN
LEVEL
7
5
3
1
METER LEVEL
AMP
IC51
IC2030
IC2031
GTX888
GTX888
GTX888
GTX888
SWITCH
CONTROL
Q500
Q501
LPF1IN
LPF1OUT
2
3
BUFFER
Q504
11
10
9
3
MUL
TIPLEXER
IC500
A
B
C
COM
8
CLK
BK
DA
TA
VF+
VF-
D+3.3V
+VG
31
LA
TCH
28
26
33
15
3
11
13
ND900
10
12
9
Q900
7
5
3
36
7
1
IC100
AMP
: AUDIO
: T
APE PLA
Y (DECK A)
: T
APE PLA
Y (DECK B)
: MIC
: TUNER
• Signal Path
• R-CH is omitted due to same as L-CH.
CD LCH
CD RCH
RF/SERVO
SECTION
X
A
Summary of Contents for HCD-GTX777
Page 107: ...MEMO 107 HCD GTX888 GTX777 GTX787 ...