Sony CCD-TR618 Service Manual page 203

CCD-TR618/TR618E/TR718E/TR728E/TR818/TRV49/TRV49E/TRV58/
TRV58E/TRV59E/TRV68/TRV78/TRV78E/TRV88/TRV98/TRV98E
LINE IN/OUT AMP
VC-251 (5/11)
< Page 4-51, 4-52 >
1
VC-251 BOARD(5/11)
LINE IN/OUT AMP(IO BLOCK)
A
-REF.NO.: 10000 SERIES-
XX MARK:NO MOUNT
40
TO(10/11)
9
TO(2/11)
B
8
TO(1/11)
22
TO(11/11)
C
23
TO(7/11)
D
SIGNAL PATH
CHROMA
E
REC
PB
F
G
16
— 19 —
For Schematic Diagram
• Refer to page 7 for printed wiring board.
2 3 4
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
FB221
D_2.8V
A_4.75V
C221
0.1u
B
1005
REG_GND
C223
IC151_Y_OUT
10u
6.3V
IC151_C_OUT
R226
XX
LINE_Y
VIDEO_I/O
VIDEO_I/O
C_I/O
C_I/O
Y_I/O
Y_I/O
IR_VIDEO
VC_SO
VC_SO
XVC_SCK
XVC_SCK
XCS_IO
XCS_IO
CL208
CL212 CL210
R229
68
RB223
68kX2
VIDEO SIGNAL
Y Y/CHROMA
5 6 7 8
C235
C231
L221
1u
XX
10uH
B B
1608
CL204 CL206
CL201
CL203 CL205 CL207
CL202
36 35 34 33 32 31 30 29 28 27 26 25
R232
22k
0.5% R0/P1.65 32
IR IR_V_OUT
MAIN_GND1 V_VCC
2.2
Y_IN1 DRV_V_OUT
33
CL009
MAIN_GND2 IC221 V_INV
C227 XX B
0
SYNC_SEP_TC V_GND
2.2
C228 LINE IN/OUT
Y_IN2 Y_GND
XX
CL211
2.2
B 31
CLAMP_TC1 DRV_Y_OUT
28
IC221
2.2
AN2225FHQ-EB
Y_IN3 Y_INV
C233
R2.7
2.2u 25V
CLAMP_TC2 Y_VCC
C225
1u
Y_IN4 C_VCC
B
0
Y_GCA_CONT DRV_C_OUT
29
R0.3/P0
C226
C_IN1
XX
30
CL213
B
1005
1 2 3 4 5 6 7 8 9 10 11 12
C234
XX
B
1005
— 20 —
9 10
L224
10uH
C252
10u
4.6
16V
C251 XX B
0
IR_VIDEO
DR_V_OUT_T
C249 220u 4V
RB221
1.9
470
1.6
C247 2.2u 6.3V
C250
DR_Y_OUT_T
220u
4V
1.3
1.3
C248 RB222
2.2u 1k
6.3V
R0/P1.9
DR_C_OUT_T
C246
SDC
0.01u
B
1005