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29
HCD-GP6V
7-8. SCHEMATIC DIAGRAM — MAIN SECTION —
No mark:CD STOP
( ) : TAPE REC
4.6
0
0
0
0
-4.8
0
0
5.0
4.6
0
0
0
0
0
-4.8
0
-2.5(-14.4)
0
-0.7
10.2(10.1)
10.2(10.1)
10.2(2.9)
10.2(2.9)
0.5(0.7)
0.5
(0.7)
6.1
1.1(1.3)
9.7(3.3)
9.7(2.5)
0.5(0.8)
-0.7
-2.5(-14.4)
-2.3(-6.6)
0(0)
0(0)
0
0(0)
-2.0
(-11.2)
-2.1(-6.4)
-2.1(-6.4)
6.1
6.7
17.3
16.7
4.0
4.6
6.8
5.4
0.6
0.4
6.2
5.3
2.9
0.1
0
0
0
0
0 0
0 0
0
0
0
0
4.6 0 -4.8
5.1
5.1
0
0
0
0
0 0
0
0
0
0
0
0
0
0
0
0
10.2
9.6
0.8
9.6
0.8
5.2
0.6
0.1
0.4
0.4
0.8
0.8
4.4
4.9
4.6
-2.3
-2.3
0
0
-2.4
0.4
0.1
0
0
0.6
0
0
36.3
0
0
37.6
-37.5
37.3
0
0
0
0
2.5
2.6
0.7
0.7
0
0.3
0.3
0.3
10.2
0
0
0
0.2
0.7
-45.4
-33.3
-33.9
17.5
16.6
0.9
10.2
17.1
0
0.6
0.6
7
MUTE
MUTE
MUTE
MUTE
MUTE CONT
SWITCH
OVERLOAD DET
OVERLOAD SWITCH
Q502, Q511
Q411, Q412, Q413, Q414
FAN DRIVER
V
V
-YG
G
V
0.4
2SC1623-L5L6
33K
33K
T-77
V
V
16V
33K
16V
16V
100 10V
-T2B
-T2B
A-T106
A-T106
T-77
-T2B
-G
-G
V
L
L
L
2SC1623-L5L6
MTZJ-T-77-5.6B
2SC1623-L5L6
2.4K
GR
T-77
T-77
V
V
V
16V
16V
V
V
V
33K
33K
0.45uH
0.45uH
4.7K
4.7K
0.0056
16V
-G
16V
-YG
-YG
-YG
-G
V
T-77
1K
-YG
5.1K
91K
T-77
T-77
L
L
T-77
RD5.6ESB2
36K
36K
LES
MTZJ-T-77-33D
MTZJ-T-77-10C
80G
T-77
4.3K
-YG
330
2SB1565E
T-77
-YG
T-77
82K
2SB1565E
RD8.2ESB3
-YG
0.047
0.047
V
2SC1623-L5L6
2SC1623-L5L6
GR
T-77
T-77
V
V
V
V
V
V
V
T-77
-G
33K
V
V
V
V
V
TUNER
PACK
J204
SUB WOOFER
L
SPEAKERS
R
IC301
SOUND PROCESSOR
HEAD
(REC/PLAY/ERASE)
R-CH
REC/PB
HEAD
L-CH
ERASE
HEAD
IC501
VOCAL FADER
SELECTOR
IC502
IC201
POWER AMP
NOTE:
RXXX
MAIN BOARD
TO
MIC/ECHO
BOARD
CN502
(Page 33)
G
TO
VCD BOARD
CN806
(Page 27)
C
TO
CONTROL
BOARD
CN601
(Page 31)
F
TO
CONTROL
BOARD
CN605
(Page 31)
J
FAN
AUX IN
L
R
TO
PHONE
BOARD
CN201A
(Page 33)
H
TO
POWER BOARD
CN801
(Page 35)
I
RIPPLE FILTER
+10V REG
+10V REG
Q305, Q306, Q307,
Q308, Q309, Q310,
Q311
REC/PB SWITCH
Q309, Q310
REC/PB SWITCH
BIAS OSC
BIAS OSC
BIAS SWITCH
BIAS SWITCH
5V REG
7V REG
7V REG
5V REG
RELAY DRIVE
+VM REG
+VM REG
-VFL VOLTAGE REG
SWITCH
+VM REG
Q406, Q407
+VCC REGULATOR
AC DET
HOLD
DC DET
DC DET
IC B/D
IC B/D
•
See page 19 for Waveforms.
•
See page 37, 38 for IC Block Diagrams.