Main (1/2) Section - Sony HCD-VR50 Service Manual

HCD-VR50/VR70
Q Q
3 7 6 3 1 5 1 5 0
– MAIN (1/2) SECTION –
J702
VIDEO 1
IN
J804
VIDEO 2
IN
VIDEO
O
SECTION
VCD VIDEO
(Page 28)
J701
PHONO
(L IN)
FM/AM TUNER
TUNER UNIT IS
ST-L
SUPPLED AS THE
ASSEMBLED
BLOCK
DECK
B
SECTION
TC PB L
(Page 22)
VIDEO
M
SECTION
CD-L
(Page 25)
J701
MD IN
MD (L IN)
(L)
C
T E POWER
L 1 3 9 4 2 2 9 6 5 1 3
MIC-SIG
SECTION
(Page 30)
J701
VIDEO 1
(L IN)
J804
VIDEO 2
(L IN)
w w w
09
IC191
AV SWITCH
1 IN1
6
IN3 VD OUT 10
8 IN4
IC101
SOUND PROCESSOR 1
A B C
2 3 5
L+R 30
IC601 (1/2)
46 45 28
PHONO AMP
3
1
69 IN A2 REC B2
68 IN B2 BUS OUT2
REC A2
67 IN C2 BBA2
66 IN D2
BBB2
65 IN E2
2 MIC IN
IC181 SELECTOR
12 X0
BUF IN2
14 X1 X 13 64 IN F2
B
A
10 9
46 45
D805
x a o
y
RESET
1
EVER+5V
IC801
. i
– 23 –
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57
36
TC REC L
58
SWITCH
39
38
SWITCH
Q112
SWITCH
(TA-MUTE)
Q111 Q Q
3 7 6
7
37
SWITCH SWITCH
Q114 Q115
44 34
MAIN CONTROL
IC501 (1/2)
DBFB-H/L
V-MUTE
SW-MODE
493-LAT
RESET
SWITCH 12 RESET BASS FREQ
Q801
FUNC-SEL1
FUNC-SEL0
MUTE
SWITCH
6 LINE-MUTE 493-DATA
Q803
493-MUTE
F-RELAY
3 AC-CUT
u 1 6 3
3
http://www.xiaoyu163.com
2 4
8 9 9
J702
VIDEO
OUT
DISPLAY
D
SECTION
SPEANA
(Page 31)
J701
MD OUT
(L)
POWER
E
L-CH SIG
SECTION
(Page 29)
MUTE
Q113
DECK
B
SECTION
TC REC L
(Page 22)
3 1 5 1 5 0 8 9
7
7
28
28
34
34
38
38
44
44
45
45
46
46
47
47
48
48
DISPLAY
F
SECTION
22 RESET
(Page 31)
m
POWER
G
F-RELAY
SECTION
(Page 29)
c o
.
– 24 –
2
8 9 9
2 4 9 8 2 9 9
• R CH: Same as L ch
• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO/MD