Read Sony HCD-GX8000 / HCD-RG77 Service Manual online
HCD-GX8000/RG77
35
35
R814
C783
CN891
C892
Q891
R891
R893
Q892
R921
CN781
CN901
R819
R869
R892
R866
R816
R862
R864
R510
R865
R863
R861
R508
R501
JW813
JW815
C504
C861
C863
C813
M891
1k
0.1
3P
0.1
2SB1116
10k
2.2k
2SC2603
47
1W
1W
10P
13P
680
2W
680
2W
4.7k
56
56
10k
1k
470k
100k
100k
1k
15k
68k
1
50V
47
50V
4.7
100V
4.7
100V
A1
A2
A3
A4
A5
A6
A7
A8
D
1
D
2
D
4
D
5
D7
D
8
88
87
ZZ1
ZZ2
ZZ3
78
80
FAN+
FAN-
SP PROTECT IN
FAN DET
-B
R-IN
A-GND
SW PROTECT
HP-R
HP-L
POWER-GND
POWER-GND
L-IN
HP-R
HP-GND
HP-L
A+10V
MIC-SIG
GM(A)-R
GM(A)-GND
GM(A)-L
(2/4)
(FAN)
MIC-AGND
HEADPHONE CONTROL
FRONT RELAY
DBFB FEEDBACK
Q504
FN1F4M
SWITCH
MUTING
CONTROL
Q505
FA1A4M
SWITCH
MUTING
CONTROL
Q861
FN1F4M
SWITCH
MUTING
CONTROL
Q812
2SC3661
MUTING
HEADPHONE
Q862
2SC3661
MUTING
HEADPHONE
Q891,892
FAN MOTOR
DRIVE
7-14. SCHEMATIC DIAGRAM – MAIN Board (2/4) –
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
no mark : TUNER (FM/AM)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 34)
(Page 37)
(Page 39)
(Page 41)
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