SLV-ED33MJ, SLV-ED88MJ - Sony VCR Service Manual (repair manual). Page 4

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SLV-ED33MJ/ED88MJ (Tourist Model)
MA-377 (SYSTEM  CONTROL)  SCHEMATIC  DIAGRAM
– Ref. No.: MA-377 board; 1,000 series –
!
 : Points changed parts.
Page
SLV-ED55KR/ED99KR (Korea Model)
4-13
2.5
0
0
5
2.5
1.8
2.5
2.3
2.3
1.3
4.9
2.5
4.9
2.4
2.4
2.4
2.4
0.3
2.4
R2.8/P2.4
R2.1/P2.4
5
0
0.1
2.7
2.7
R5/P0
3
0
1
2.8
B+
B+
B+
B+
B+
1
2
3
4
5
6
7
8
9
ED99
ED88/ED99
470k
R151
JL128
1k
R117
16V
10u
C194
16V
10u
C153
16V
22u
C195
JL191
1k
R171
120p
C196
PAL/MAIN/SAP
1
8
OSD MIX/TUNER_MUTE
19
SP
20
NA PB
21
VCC
22
AF SWP
23
RF_SWP
24
CAP-VS
25
DRUM_VS
26
QVD
27
C ROTARY
28
H AMP SW
29
COMP
30
CTL+
31
CTL-
32
VSS(SERVO)
33
CTL AMP1
34
CTL AMP2
35
CTL AMP3
36
CTL AMP OUT
37
DRUM FG
38
DRUM PG
39
CAP FG
40
VCC(SERVO)
41
VCC(OSD)
42
VIDEO IN
43
V REF
44
VIDEO OUT
45
CHAR BIAS
46
AFC LPF
47
AFC
OSD
4
0.022u
C193
50V
4.7u
C154
UN2211-TX
Q174
CL101
0.01u
C155
1k
R194
22uH
L171
56p
C172
180k
R192
680
R174
100
R152
0.1u
C171
1800
R153
470
R175
22uH
L172
22k
R111
2SB709A
-QRS-TX
Q172
100
R172
UN2211-TX
Q171
1M
R193
4700
R177
10k
R108
50V
4.7u
C152
470p
C191
3300p
C197
22uH
L151
JL116
2SD601A-QRS-TX
Q191
47p
C192
JL192
JS101
1k
R107
JS191
JL127
1k
R109
2.2u
C151
0
R106
0.22F
C103
5.5V
10V
470u
C104
0.1u
C101
47k
R191
UN2211-TX
Q192
JS171
REMOCON
ETR2
ETR1
FUNC_KEY1
M25
M39
M26
M40
M38
A21
H23
V24
V27
V18A
V43
T19
S82
S9
S4
C32
C31
S7
RESET
(SEE PAGE 4-24)
MA-377 BOARD(7/7)
VIDEO
BUFFER
BLUE BACK
SWITCH
INVERTER
Q191,192
AUDIO DUB
25
2.5
0
0
5
2.5
1.8
1.5
2.5
2.3
2.3
1.3
4.9
2.5
4.9
2.4
2.4
2.4
2.4
0.3
2.4
R2.8/P2.4
R2.1/P2.4
5
0
0.1
2.7
2.7
R5/P0
3
0
1
2.8
B+
B+
B+
B+
B+
1
2
3
4
5
6
7
8
9
ED99
ED88/ED99
470k
R151
JL128
1k
R117
16V
10u
C194
16V
10u
C153
16V
22u
C195
JL191
1k
R171
120p
C196
PAL/MAIN/SAP
18
OSD MIX/TUNER_MUTE
19
SP
20
NA PB
21
VCC
22
AF SWP
23
RF_SWP
24
CAP-VS
25
DRUM_VS
26
QVD
27
C ROTARY
28
H AMP SW
29
COMP
30
CTL+
31
CTL-
32
VSS(SERVO)
33
CTL AMP1
34
CTL AMP2
35
CTL AMP3
36
CTL AMP OUT
37
DRUM FG
38
DRUM PG
39
CAP FG
40
VCC(SERVO)
41
VCC(OSD)
42
VIDEO IN
43
V REF
44
VIDEO OUT
45
CHAR BIAS
46
AFC LPF
47
AFC OSD
48
VSS(OSD)
49
0.022u
C193
50V
4.7u
C154
UN2211-TX
Q174
CL101
0.01u
C155
1k
R194
22uH
L171
56p
C172
180k
R192
680
R174
10k
R176
100
R152
0.1u
C171
1800
R153
470
R175
22uH
L172
22k
R111
2SB709A
-QRS-TX
Q172
100
R172
UN2211-TX
Q171
1M
R193
4700
R177
100p
C156
10k
R108
50V
4.7u
C152
470p
C191
3300p
C197
22uH
L151
JL116
2SD601A-QRS-TX
Q191
47p
C192
JL192
JS101
1k
R107
JS191
JL127
1k
R109
2.2u
C151
0
R106
10V
470u
C104
0.1u
C101
47k
R191
UN2211-TX
Q192
JS171
REMOCON
ETR2
ETR1
FUNC_KEY1
M25
M39
M26
M40
M38
A21
H23
V24
V27
V18A
T19
V43
T19
S82
S9
S4
C32
C31
S7
V18
RESET
(SEE PAGE 4-24)
MA-377 BOARD(7/7)
VIDEO
BUFFER
BLUE BACK
SWITCH
INVERTER
Q191,192
AUDIO DUB
25
Q175
2SD601A-QRS-TX
C173
R178
220
C102
0.47
5.5V
1u
^
%
!
#
%
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