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HCD-GN700/GX8800
Q Q
3 7 6 3 1 5 1 5 0
– MAIN/POWER Section –
REC L-CH
TUNER/TAPE DECK
D
SECTION
SPEANA
F
DISPLAY SECTION
J117
L
VIDEO/MD
19
(AUDIO) IN
R
R-CH
CD L-CH
A
CD SECTION
IND1
6
INB1
INPUT
4
TUNER L-CH
INC1
SELECT
TUNER/TAPE DECK
E
5
SWITCH
SECTION
INA1
3
TAPE L-CH
TUNER/TAPE DECK
C
SECTION
INEX1
7
2
J601
L
AUDIO
J761
R
R-CH
GAME
VIDEO OUT
T E
INPUT
L
1 3 9 4 2 2 9 6 5 1 3
VIDEO
J721
MIC AMP
MIC AMP
MIC
IC722 (1/2)
IC722 (2/2)
Q721
RV722
MIC
LEVEL
w w w
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC102
8
BB A1
+
R-CH
BB B1
OUT1
TOUT1
VOLIN1
VOLUME
14
15
CONTROL
SOUND
CONTROL
R-CH
+
CIRCUIT
R-CH
CPU
INTERFACE
21
22
79 80
SYSTEM CONTROLLER
IC501 (3/4)
PROTECTOR
FRONT-RELAY
BIAS
A+9V
STK-MUTE
VACS IN
HP MUTE
HP DETECT
LINK-RELAY
LINE-MUTE
x
a o
.
i
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R-CH
D130
FEED BACK
SWITCH
Q101
16
POWER AMP
17
IC501
11
18
18
10
8
R-CH
14
9
MUTING
12
Q620
R-CH
OVER LOAD
DETECT
Q501, 551
OVER CURRENT
PROTECTOR
IC502
STANDBY
2 VP
SWITCH
Q503, 504, 581
1 OCP
D502
Q
Q
3
7
+
3
OUT
CT
78
83
TEMPERATURE
DETECT SWITCH
Q505, 506
FAN MOTOR
75
ON SWITCH
Q518
Q602
TH502
TEMPERATURE
81
DETECT SWITCH
Q514
76
50
84
MUTING CONTROL
SWITCH
Q650, 651
77
u 1 6 3
y
30
30
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2
4
8
9
9
HEADPHONE MUTING
Q671, 624
MUTING CONTROL
SWITCH
Q652
VL (AC)
VL (AC)
RY501
D509
D508
6
3
1
5
1
5
0
8
9
OVER LOAD
RELAY
FRONT SPEAKER
4
DETECT SWITCH
SWITCH
RELAY DRIVE
Q510
Q511
Q516, 517
M891
(FAN)
FAN MOTOR
M
DRIVE
Q851, 852
OVER LOAD
DETECT SWITCH
TH501
Q385
m
c o
.
2
8
9
9
J631
PHONES
TM501
+
L
–
FRONT SPEAKER
IMPEDANCE
+
USE 6–16Ω
R
–
+
L
SURROUND
–
SPEAKER
+
IMPEDANCE
USE 24Ω
R
–
RY502
2
4
9
8
2
9
9
SURROUND
SPEAKER PROTECT
RELAY DRIVE
Q513, 515
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY
: REC
: CD PLAY
: VIDEO/MD (AUDIO) IN
: GAME INPUT (AUDIO)
: GAME INPUT (VIDEO)
: MIC INPUT
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