Read Sony HCD-VP800AV / MHC-VP800AV Service Manual online
39
39
HCD-VP800AV
6-17. SCHEMATIC DIAGRAM – FRONT AMP SECTION –
CN802
IC922
C923
C924
IC923
µPC7812A
C926
C925
CN801
JW845
JW844
JW843
JW843
C802
C852
R802
C804
C854
R852
C816
R820
R854
C855
R851
R831
C831
Q831
Q832
R833
Q833
Q834
R835
R834
C832
Q835
R836
C833
R837
Q837
Q836
R839
R840
C834
CN803
R830
R872
R871
C872
C871
D871
NO871
C884
C883
R884
R883
C882
C881
R882
L882
R885
L881
TM801
RY881
Q882
Q881
R886
R888
R889
R890
R887
R824
R823
R822
R821
Q821
Q822
R826
C821
D821
R827
Q823
R828
C822
R805
R806
R825
C858
R861
R811
D891
R801
C801
C805
R804
R819
C808
D802
D852
R812
R862
D851
R858
R807
Q801
C807
C806
R810
R860
C856
C857
R859
R809
R856
R857
R855
C812
D801
R808
C862
R881
D881
D830
D831
C885
C886
Q851
R880
C851
C853
R853
R803
IC801
C803
C873
C874
8P
B-TO-B
NJM7809FA
10
50V
1000
10V
100
16V
10
50V
15P
B-TO-B
680p
680p
56k
100
16V
16V
100
16V
56k
10000p
1
1/4W
56k
3p
1k
4.7k
10
50V
2SC2785-HFE
2SC2785-HFE
4.7k
2SC2785-HFE
2SC2785-HFE
33k
22k
100
10V
2SA988-PAFAEA
10k
2.2
50V
50V
10k
2SC2785-HFE
2SC2785-HFE
47k
56k
100
10V
10V
7P
4.7k
100k
100k
0.1
100V
0.1
100V
D5SBA204101
3P
SCN
0.1
0.1
10
1/2W
10
1/2W
0.1
0.1
10
1/2W
47k
4P
24V
2SC1841-PAFAEA
2SA1175-HFE
47k
47k
10k
100k
10k
2.2k
10k
22k
2.2k
2SA988-PAFAEA
2SC1841-PAFAEA
5.6k
47
100V
1SS119-25
15k
2SC1841-PAFAEA
33k
100
50V
50V
0.22
2W
0.22
2W
68k
22
100V
100
1/4W
100
1/4W
1SS119-25
1k
10
50V
3p
56k
10k
22
100V
MTZJ-T-72-16B
MTZJ-T-72-16B
1.5k
1/2W
1/2W
1.5k
1/2W
1SS119-25
15k
1k
2SC1841-PAFAEA
0.068
0.068
10
1/2W
10
1/2W
0.068
0.068
100k
100k
0.22
2W
1k
0.22
2W
0.1
1SS119-25
15k
0.1
10
1/2W
1SS119-25
1SS119-25
1SS119-25
0.01
0.01
2SC1841PAFAEA
330
2W
2W
10
50V
100p
180
180
STK412-020
100p
2200
80V
2200
80V
STK MUTE
FRONT RY
CHASSIS GND
FAN DETECT
HP L
HP GND
HP R
FRONT L
FRONT GND
FRONT R
SP PROTECT
GND
AC1
AC1
L-GND
R-GND
L-CH
R-CH
A+12V
A-GND
-B
UNREG GND
UNREG+10V
M+9V
N.C.
M-GND
CD/VCD
AC3
AC3
GND
+B
-B
(CHASSIS GND)
N.C.
PROTECTOR
L
R
FRONT
SPEAKER
IMPEDANCE
USE 8-16
Ω
TC+9V(CDM+7V)
A+12V
POWER AMP
+VH
-VH
REG
REG
GND
Q831-835
DC DETECT
POWER AMP
Q836,837
PROTECTOR
PROTECTOR
MUTE DRIVER
Q821,822
MUTE SIGNAL
DELAY
Q881,882
RELAY
DRIVER
PROTECT
DC DETECT
FAN DETECT
OVERLOAD DETECT
CN804
3P
RL-GND
C-GND
RR-GND
BOARD
SURRPUND AMP
MAIN
BOARD(2/3)
BOARD
TRANS
(Page51)
(Page32)
MAIN
BOARD(2/3)
(Page32)
(Page41)
G
H
K
M
BOARD
SURRPUND AMP
(Page41)
S
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