HCD-GN700/GX8800
30
30
– MAIN/POWER Section –
M891
(FAN)
+
–
+
–
+
–
–
+
FRONT SPEAKER
IMPEDANCE
USE 6–16
Ω
L
R
SURROUND
SPEAKER
IMPEDANCE
USE 24
Ω
L
R
PHONES
J631
RY501
D508
D509
VL (AC)
VL (AC)
R-ch is omitted due to same as L-ch.
CD L-CH
TAPE L-CH
TUNER L-CH
TM501
D507
D511
FAN MOTOR
DRIVE
Q851, 852
FAN MOTOR
ON SWITCH
Q518
OVER LOAD
DETECT SWITCH
Q510
OVER LOAD
DETECT
Q501, 551
M
HEADPHONE MUTING
Q671, 624
MUTING CONTROL
SWITCH
Q652
RY502
+
+
TH502
Q602
TH501
+
D502
MUTING
Q620
MUTING CONTROL
SWITCH
Q650, 651
STANDBY
SWITCH
Q503, 504, 581
R-CH
D130
R-CH
R-CH
22
21
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC102
2
R-CH
J117
L
R
VIDEO/MD
(AUDIO) IN
R-CH
A+9V
RV722
J601
J761
L
R
GAME
INPUT
REC L-CH
SPEANA
MIC
AUDIO
VIDEO OUT
VIDEO
J721
FEED BACK
SWITCH
Q101
SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
: TAPE PLAY
: VIDEO/MD (AUDIO) IN
: GAME INPUT (AUDIO)
: GAME INPUT (VIDEO)
: REC
: MIC INPUT
SURROUND
SPEAKER PROTECT
RELAY DRIVE
Q513, 515
FRONT SPEAKER
RELAY DRIVE
Q516, 517
POWER AMP
IC501
OVER CURRENT
PROTECTOR
IC502
MIC
LEVEL
RELAY
SWITCH
Q511
OVER LOAD
DETECT SWITCH
Q385
TEMPERATURE
DETECT SWITCH
Q505, 506
12
+
BIAS
Q721
TEMPERATURE
DETECT SWITCH
Q514
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299