Sony DSR-250 Service Manual page 125

For Schematic Diagram
• Refer to page 4-73 for JK-197 printed wiring board.
• Refer to page 4-74 for VO-012 printed wiring board.
2 3
1
JK-197 BOARD
A
VIDEO/AUDIO IN/OUT
-REF.NO.: 1000 SERIES-
XX MARK:NO MOUNT
J182
S1 VIDEO
FB181
C Y
S
B
G G
R181 R192
0 0
C
D182
MA8082-(K8).S0
LND181
CH.GND
R191
LND182
0
GND
D C183
C184
R185 0 1000p
1000p
0
R186
AUDIO IN/OUT
J181
R187 L181
0
100uH
2CH 1000p
R188 0 R189
0
1CH
R190
E
0
VIDEO IN/OUT
0
R182
XX
R183
R184 0
D181
01ZA8.2(TPL3)
F
G
H
16
4 5
FB182
S
1
2
3
4
5
6
7
8
D184 D187
01ZA8.2(TPL3) 01ZA8.2(TPL3) 9
10
11
12
13
14
C182
C181
1000p
L182
100uH
D183 D186 D189
MA8082-(K8).S0
01ZA8.2(TPL3) MA8082-(K8).S0
D185 D188
01ZA8.2(TPL3) MA8082-(K8).S0
VO-012 BOARD
VIDEO OUT
-REF.NO.: 1000 SERIES-
XX MARK:NO MOUNT
R201
CN201
0
VIDEO OUT 1
2
3
D201
01ZA8.2(TPL3)
4-77
6 7 8
RL-057 BOARD
LANC
-REF.NO.: 1000 SERIES-
XX MARK:NO MOUNT
CN141 5P
GND 1
TO
VI-156 BOARD(22/25) LANC_DC 2
CN009
XLANC_JACK_IN 3
(SEE PAGE 4-56)
GND 4
LANC_SIG/232C_TD 5
CN181 14P
XS_JACK_IN
S_C_I/O
GND
S_Y_I/O
GND
TO
V_JACK_IN
VI-156 BOARD(22/25)
LND141
CN005
VIDEO_I/O
(SEE PAGE 4-56)
GND
LCH_DET
AUDIO_L_I/O
GND
RCH_DET
DV-031 BOARD
AUDIO_R_I/O
DV IN/OUT
GND
-REF.NO.: 1000 SERIES-
XX MARK:NO MOUNT
GND 6
TO TPB- 5
VI-156 BOARD(22/25)
CN010 TPB+ 4
(SEE PAGE 4-56)
GND 3
TPA- 2
TPA+ 1
CN161 6P
SIGNAL PATH
CN202 3P
VIDEO_OUT TO
REC
VI-156 BOARD(23/25)
GND CN008
PB
(SEE PAGE 4-57)
A4.6V
9 10 11
R142 0
R143
0
R144 470
R145 0
R146
0
D143
MA8075-TX
R141
0
D141
CH.GND MAZJ200D0LS0
D142
01ZA8.2(TPL3)
LP161
CH_GND
LND161
CH_GND
LND162
CH_GND
1 VP
2 VG
3 NTPB
4 TPB
5 NTPA
6 TPA
VIDEO SIGNAL
AUDIO
CHROMA Y Y/CHROMA SIGNAL
VIDEO/AUDIO IN/OUT
JK-197
DSR-250/250P
12 13
J141
LANC
JS161
0
CN162 6P
DV IN/OUT
JS162
0
VIDEO OUT LANC DV IN/OUT
/ / /
VO-012 RL-057 DV-031