Sony CCD-TR618 Service Manual page 202

< Page 4-49, 4-50 >
For Schematic Diagram
• Refer to page 7 for printed wiring board.
2 3
1
VC-251 BOARD(4/11)
REC/PB AMP(RP BLOCK)
A
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
B MECHA
DECK(1/2)
VIDEO HEAD 16P
C
LP2Y
LP2X
LP1X
LP1Y
D
SP1Y
CH
SP1
SP1X
SP2X
CH
SP2
SP2Y
FLYING
ERASE
E
SIGNAL PATH
REC
Ref.signal
F
SIGNAL PATH
VIDEO SIGNAL
AUDIO
CHROMA Y Y/CHROMA SIGNAL
REC
PB
G
16
4 5
L101
220uH
3225
ET101
ET102
C101
0.01u
1005
C102
33u
CN101
6.3V
B
1
R109
2
27k
R0.9/P0
GND 3
4
C108
4.5
0.01u 1005
5
0.7
GND 6
FB101
4.5
GND 7
C106 0.022u B 1005 R110
2.6
220
GND 8
C107 0.022u
2.6
B 1005
9
R111
C103 C104
2.5
220
0.01u 0.01u
10
B B
FB102
0.7
1005 1005
GND 11
4.5
12
13
R106
R0.7/P0
27k
GND 14
FEY 15
R124
R123
FEX 16
27k 22k
23
REC/PB PB
Q102
2SB1462J-Q
AMP
R112
R107
270
2200
C105
R101
XX
R113
56
R105 220
100
C111
150p
CH
R4.0/P4.7 /P2.8
Q101
0
2SA1965-S-TL
2
AMP R108
R102 4700 R1.2/P2.3
560
TRANSISTORHN1B04FE-Y/GR(TPLR3)
23
— 17 —
CCD-TR618/TR618E/TR718E/TR728E/TR818/TRV49/TRV49E/TRV58/
6 7 8
L103
22uH
C135
C118 0.01u
C116 C119
0.01u 0.01u 1005
10u
1005 1005
6.3V
C113
0.1u C124
B
0.01u
26
1005
1005
R116
2700
24 23 22 21 20 19 18 17 16 15 14 13
2.5
REC DUMP1 DOC_DET
R0/P1.4
CLPFOUT
GND
R4.4/P3.5
REC1 OUT AGC TC
IC101 R0/P2.0
PB1 IN RF AGCOUT
2.2
VCC AMP
RP_IR
REC/PB AMP
0
IC101
PB DUMP1
27 DOP
CXA3265R-T4
R2.1/P0
PB DUMP2 Y/C/ATF IN
R2.0/P0
0.01u
YLPFOUT/CARDETOUT
BIASADJ
R0/P2.5
PB2 IN Y MIX
R2.4/P0.7
REC2 OUT REC_Y/MT_CONT
4.6
GND VCC3
0
REC DUMP2
AFM IN
24
25
37 38 39 40 41 42 43 44 45 46 47 48
C114
0.1u C126
C125
B 0.01u
0.01u B
1005 1005
1005
C117
0.01u
1005
L104
C110 RB101
L102
220uH
22k
100p
CH 12uH
C112
82p
CH
C121 C123
R115 0.01u
0.1u
33k B
R1.1 R2.4/
B
P4.7 1005
0
1 6
5
C115 R120
100p
22k
3 4
CH
R3.5/P4.7
Q103
Q104
ERASE OSC
UN9213J-(K8).SO
SWITCH
TRV58E/TRV59E/TRV68/TRV78/TRV78E/TRV88/TRV98/TRV98E
9 10 11
Q106
XX
R3.9/P3.7
RB102
C134
10k
0.47u
4.6
B
0 0
Q105
RN1904FE(TPLR3)
R121
SWITCH
470k
R122
470k
DOC_DET
C131
C129 0.01u
4700p B
1005
RP_IR
C128
1005
C133
C127 0.01u
0.001u B 1005
REC_Y/MT_CONT
1005
C132
C130
0.01u
0.01u
B
1005
1005
REC_L_CONT
— 18 —
12 13
RP_4.75V
39
TO(10/11)
REG_GND
PB_RF
REC_L_CONT
REC_L_CONT
REC_Y/MT_CONT
REC_Y/MT_CONT
RP_IR
RP_IR
MT_F0
19
MT_F0 TO(9/11)
DOC_DET
DOC_DET
MT_Q
MT_Q
RF_AGC_CONT
REC_AFM
MTSW
RF_AGC_OFF
AGC_SLOW
20
RP_PB_MODE TO(7/11)
DOP
BOTH_REC
XFE_ON
XME/MP
VC_RF_SWP
DOP
REC_RF
11
TO(2/11)
PB_C_RF
RF_AGC_OUT
7
PB_C_RF TO(1/11)
PB_RF
21
TO(11/11)
REC_2
REC/PB AMP
VC-251 (4/11)