Sony DCR-TRV230E Service Manual page 95

For Schematic Diagram
• Refer to page 4-11 for printed wiring board.
• Refer to page 4-103 for waveforms.
1 2 3
VC-254 BOARD(6/18)
DIGITAL8 PB RF AMP(RF(D) BLOCK)
A
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
RP_4.75V
B
RP_6.0V
67
TO(18/18)
A_2.8V
C
REG_GND
27 RF_1.9V
TO(4/18)
SW_PS
D
SW_PS
ALL_PS
ALL_PS
RECA1
RECA1
RECA2
RECA2
RECCK
RECCK
RECDT
RECDT
E
PLLSW
PLLSW
PLLMSK
PLLMSK
46
TO(4/18)
F
PBCK
ADDT0
ADDT1
ADDT2
ADDT3
ADDT4
ADDT5
G
DRP_SO
DRP_SO
XDRP_SCK
XDRP_SCK
XCS_TRF
XCS_TRF
REC_CRRT0
REC_CRRT0
68
TO(13/18) REC_CRRT1
REC_CRRT1
DV_RF_SWP
H
DV_RF_SWP
DRUM_8PB
DRUM_8PB
XFE_ON
XFE_ON
XME/MP
69 XME/MP
TO(11/18)
I
RF_MON
TO(17/18
70
(CN1108)) RF_IN
J
71 VC_RF_SWP
TO(11/18)
72 DV_PB_RF
TO(9/18)
T_REEL_EVR
73
TO(14/18)
S_REEL_EVR
K
16
4 5 6 7
L3103
10uH
L3102
10uH
C3111
C3108
10u
10u
6.3V
4V
C3113
R3103
Q3102 0.01u
10k
2SA1774HT2L C3107 B
VRB DET 0.01u
R0.4/
B
P2.6
1.9
R3104
C3104 6800
0.01u
B
R3107
12 11 10 9 8 7 6 5 4 3 2 1
150k
C3102
0.01u
B
R0.1/
R2.3/
P1.0
P2.1
CLK CP TC1
4.7
AD D VCC F GND
R0.1/P1.1 R0.1/P1.3
DATA0 R REF2
R0.1/P1.1 IC3101 R0/P0.6
DATA1 R REF3
R0.1/P1.1
R2.3/P1.9
DATA2 DECUP
EQ.PLL
R0.1/P1.1 2.0
A/D CONV.
DATA3 F VCC
(TRF)
R0.1/P1.1 R0/P2.7
DATA4 IN
IC3101
R0.1/P1.1 2.8
CXA2071R-T4
DATA5 TESTIN
AD D GND DC_TC2
2.8
XDRP_SCK
XSCK DC_TC1
1.9
VDD AGC GND
DRP_SO 0
SI AGCTC2
R3.4/
P2.3
25 26 27 28 29 30 31 32 33 34 35 36
C3105
0.01u
B
1.4
C3109 2.8
0.01u C3112
C3110
470p
B 0.01u
B B
TC7S86FU(TE85R)
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
4-25
8 9 10 11
L3105
220uH
L3104 R3123
10uH
22k
C3135
C3122
10u
R3124
6.3V
22k
R3115
10k
C3128 C3129 Q3103
C3114 C3119
0.01u XX
47p 47p DTC144EHT2L
B
CH CH
SWITCH
0
1.9
R3114
4700
C3116
0.033u
B
R3111
470 24 23 22 21 20
C3120
C3123
0.01u
6800p
B
B
R0/P2.0
CO
C3124
R0/P2.0
C3121 6800p B
CE
0.01u
R3109 R3113
R4.1/P2.4
12k 12k B
IC3103
PBYOUT
4.7
19
VCC2
R3110
R4.1/P2.4
10k C3126 REC/PB HEAD
PB X OUT
C3115 0.01u
0.1u B B
GND
R1.9/P0
RECA2
RECA2
2.8
CXA2072R-T4
VCC3
C3127 RECA1 R1.9/P0
0.01u RECA1
B R1.9/P0
SW_PS
PBSW_PS
20
1.4
CONT0
2.8
CONT1
C3117 21 22
470p
B
R3108
1M
37 38 39 40 41 42 43 44 45 46 47 48
ALL_PS
RECCK
RECDT
2.8
1.4
C3131
0.01u
B
IC3102
IC3102
EX-OR GATE
AUDIO
SIGNAL PATH
SIGNAL
REC
Ref.signal
DCR-TRV230E/TRV235E/TRV325E/
12 13 14
Q3111
R3132
2SA1774HT2L
270
R3136
2200
L3106 C3138
R3126
12uH R3.9/
22k 100p
C3140 C3134
R3143
CH P4.0
XX 0.1u
56
B
R3138
100
R4.2/
C3136
P4.6
R3127 R3133
82p
33k 220
R4.0/
C3139
CH
P4.6
150p
CH
Q3116
2SA1965-S-TL
0
100p R3.4/P4.6
R3.7/P4.6
CH
R3137
R3144
Q3117 560
R1.4/ 4700
UP04601008S0
P2.3
R1.2/P2.8
Q3104
Q3111,3116,
2.8 DTC144EHT2L
3117
SWITCH
FLYING
0.1
ERASE OSC
R3122 R2.8/P2.6 R2.8/P2.6
68k
± 0.5%
0.1
Q3118
UP04213008S0
SWITCH
19 18 17 16 15 14 13
YL
XL
D1L
GND
R4.8/ R3129
P1.7
220
D2O
± 0.5%
R4.6/
AMP
P1.7
(TRW) YO
R4.6/
P1.7
XO
R4.8/ R3130
IC3103
220
P1.7
± 0.5%
DIO
GND
R4.8/ R3131
P1.7 220
D2E ± 0.5%
18
R4.6/
P1.7
YE
R4.6/
P1.7
XE
R3125
220
± 0.5%
Q3107,3109,3119,3120
8mmPB CONT.
0
R3139 C3142
3900 220p CH
0
Q3109
UP04111008S0
4.7
0
R3140 C3143
3900 220p
C3133 0
CH
0.1u
0
4.7
B Q3119
R3141 UP04501008S0
Q3107
3900
2SC4738F-Y/GR(TPL3) 0
4.7 C3144 CH
R3128
0
10k 220p
0 0
4.7
C3137
0.01u 0
C3141
B
220p
0
CH
Q3120
R3142
UP04501008S0
3900
REC/PB PB
4-26
TRV330E/TRV430E/TRV530E
15 16 17
M2000 MECHANISM
DECK
VIDEO HEAD
CN3101 11P
11 FE(X)
FLYING
ERASE
10 FE(Y)
9 GND
8 YEVEN(SP2Y)
CHSP2
7 XEVEN(SP2X)
6 GND
5 YODD(SP1Y)
CHSP1
4 XODD(SP1X)
3 GND
2 GND
1 GND
DIGITAL8 PB RF AMP
VC-254 (6/18)