Read Sony DCR-TRV240E / DCR-TRV340E (serv.man2) Service Manual online
DCR-TRV240E/TRV340E
4-53
4-54
DIGITAL8 PB RF AMP
VC-276 (9/25)
For Schematic Diagram
• Refer to page 4-87 for printed wiring board.
• Refer to page 4-93 for waveforms.
• Refer to page 4-87 for printed wiring board.
• Refer to page 4-93 for waveforms.
R0.5/P2.5
1.9
R0.5/
2.8
P2.5
4.7
0
2.8
0
R2.4/P2.1
R0.9/P0
P1.1
R0.1/
4.7
R0.1/P1.1
R0.1/P1.1
R0.1/P1.1
R0.1/P1.1
R0.1/P1.1
R0.1/P1.1
2.6
1.9
0.1
P1.2
R0.1/
P0.6
R0/
P1.9
R2.3/
2.8
R2.4/P2.2
R0.2/P2.7
P2.3
R3.4/
2.7
R2.6/ P1.4
1.5
1.5
2.8
1.4
4.7
4.7
R0.7/ P1.0
P2.5
R3.5/
R0/P2.1
R0/P2.1
4.7
R4.3/P2.4
2.8
R1.9/P0
2.8
R1.8/P0
R1.9/P0
1.3
R4.5/P2.4
1.9
0
2.7
2.7
1.9
1.2
P1.3
R2.2/
P2.6
R2.8/
P2.6
R2.8/
R4.8/
P1.7
R4.6/
R4.6/
P1.7
R4.6/
R4.6/
P1.7
R4.8/
R4.8/
P1.7
P1.7
R4.6/
R4.8/
P1.7
P1.7
R4.6/
P0
R0.8/
0
1.9
R0.9/
P0
5.9
R4.8/P1.7
R3.6/P4.6
R2.1/P4.6
R1.4/
R3.7/P4.6
P2.3
R1.2/P2.7
0.1
2.7
R2.8/P2.6
0.1
R2.8/
P2.5
0.1
0
4.7
4.7
4.7
-0.6
-0.6
4.7
-0.6
0
0
-0.6
-0.6
0
-0.6
0
4.6
3.9
4.6
R4.1/P4.6
0
R4.3/
P4.6
20
16
15
17
18
19
15
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
R :REC MODE
P :PB MODE
CXA2071R-T4
IC3101
1
CP TC2
2
F
AST ACCESS
3
PLL GND
4
PD HOLD
5
REC DA
T
A
6
PLL VCC
7
REC XP
8
AD A VCC
9
LOCK MON
10
VRB
11
VR
T
12
AD A GND
13
CLK
14
AD D VCC
15
DATA0
16
DATA1
17
DATA2
18
DATA3
19
DATA4
20
DATA5
21
AD D GND
22
XSCK
23
VDD
24
SI
25
XCS
26
S IO GND
27
A
TF3
28
A
TF2
29
A
TF1
30
I/O VCC
31
JSWP
32
A
TF OUT
33
BUF VCC
34
BUF OUT
35
AGC VCC
36
AGCTC1
37
AGCTC2
38
AGC GND
39
DC_TC1
40
DC_TC2
41
TESTIN
42
IN
43
F VCC
44
DECUP
45
R REF3
46
R REF2
47
F GND
48
CP TC1
CXA2072R-T4
IC3103
1
XE
2
YE
3
D2E
4
GND
5
DIO
6
XO
7
YO
8
D2O
9
GND
10
D1L
11
XL
12
YL
13
D2L
14
GND
15
GND
16
GND
17
FBDP_R
18
PEAKT_IR
19
PEAKI_IR
20
RECI_IR
21
PB_IR
22
RECCONT_E
23
RECCONT_O
24
CL
25
CO
26
CE
27
PBYOUT
28
VCC2
29
PB X OUT
30
GND
31
RECA2
32
VCC3
33
RECA1
34
PBSW_PS
35
CONT0
36
CONT1
37
ALL_PS
38
TEST
39
VDD
40
CLK
41
GND
42
D
ATA
43
VCC1
44
NC
45
GND
46
GND
47
GND
48
D1E
B
470p
C3112
±
0.5%
22k
R3120
22k
R3117
±
0.5%
220
R3129
±
0.5%
220
R3130
±
0.5%
220
R3131
±
0.5%
220
R3125
470
R3111
0.033u
B
C3116
150k
R3107
0.01u
B
C3121
0.01u
B
C3107
0.01u
B
C3105
0.01u
B
C3102
10uH
L3104
0.01u
B
C3110
0.01u
B
C3109
47p
CH
C3114
0.01u
B
C3113
47p
CH
C3119
0.01u
B
C3120
0.01u
B
C3127
0.01u
B
C3128
±
0.5%
13k
R3118
±
0.5%
22k
R3119
0.1u
B
C3133
A
6.3V
TA
10u
C3108
0.01u
B
C3131
RP_4.75V
A_2.8V
REC_CRRT0
REC_CRRT1
10k
R3115
4700
R3114
XCS_TRF
0.01u
B
C3126
10uH
L3103
6.3V
10u
C3122
A
6.3V
10u
C3111
A
XME/MP
2SA1774HT2L
Q3102
0.01u
B
C3104
6800
R3104
10k
R3103
DRUM_8PB
±
0.5%
330k
R3122
±
0.5%
8200
R3121
1M
R3108
XVSP_SCK
VSP_SO
10uH
L3102
REG_GND
DTC144EHT2L
Q3103
RF_MON
DV_PB_RF
2SC4617HT2L
Q3107
10k
R3128
0.01u
B
C3137
220p
CH
C3144
220p
CH
C3141
220p
CH
C3142
220p
CH
C3143
RECCK
ALL_PS
PLLSW
RECA2
RECDT
RECA1
PLLMSK
SW_PS
XFE_ON
82p
CH
C3136
33k
R3127
150p
CH
C3139
220
R3133
2200
R3136
2SA1965-S-TL
Q3116
56
R3143
270
R3132
100p
CH
C3138
100
R3138
R3144
560
220uH
L3105
XX
C3140
2SA1774HT2L
Q3111
100p
CH
C3135
4700
R3137
B
C3134
0.1u
L3106
12uH
12uH
XX
C3129
RP_6.0V
PBCK
ADDT0
ADDT1
ADDT2
ADDT3
ADDT4
ADDT5
D_1.9V
T_REEL_EVR
S_REEL_EVR
11P
CN3101
1
2
3
4
5
6
7
8
9
10
11
UP04601008S0
Q3117
3
5
4
6
2
1
UP04213008S0
Q3118
6
2
1
3
5
4
UP04501008S0
Q3119
6
2
1
3
5
4
UP04501008S0
Q3120
6
2
1
3
5
4
DTC144EHT2L
Q3104
UP04111008S0
Q3109
6
2
1
3
5
4
RB3101
RB3102
RF_SWP
RF_SWP
1
A
RF_SWP
B
0.1u
C3115
10k
R3110
±
0.5%
24k
R3109
B
470p
C3117
B
6800p
C3123
B
6800p
C3124
REC_CRRT0
REC_CRRT1
ALL_PS
SW_PS
RECA2
REC_CRR
T0
REC_CRR
T1
RECA1
RECCK
RECDT
PLLSW
RECDT
PLLMSK
VSP_SO
XVSP_SCK
XCS_TRF
XVSP_SCK
VSP_SO
XCS_TRF
SW_PS
XME/MP
ALL_PS
RECA1
RECA2
RECCK
RECDT
PLLSW
PLLMSK
XFE_ON
DRUM_8PB
XFE_ON
DRUM_8PB
XME/MP
FE(X)
FE(Y)
GND
YEVEN(SP2Y)
XEVEN(SP2X)
GND
YODD(SP1Y)
XODD(SP1X)
GND
GND
GND
3225
22KX4
4.7kX4
VRB DET
SWITCH
SWITCH
SWITCH
Q3111,3116,3117
FLYING
ERASE OSC
FLYING
ERASE OSC
REC/PB
CHSP1
Y
A/D CONV.
VIDEO SIGNAL
PB
REC/PB HEAD
REC
PB
AUDIO
IC3103
REC
CHROMA
8mmPB CONT.
Ref.signal
IC3101
VIDEO HEAD
FLYING
ERASE
ERASE
SIGNAL PATH
EQ.PLL
Y/CHROMA
Q3107,3109,3119,3120
SIGNAL PATH
M2000 MECHANISM
DECK(1/2)
DECK(1/2)
CHSP2
AMP
SIGNAL
TO(4/25,7/25,
14/25,16/25,
19/25)
TO(12/25)
72
TO(21/25)
TO(19/25,
21/25)
TO(7/25)
TO(23/25)
71
73
69
TO(15/25)
48
TO(16/25)
38
68
70
XX MARK:NO MOUNT
16
VC-276 BOARD(9/25)
DIGITAL8 PB RF AMP(RF(D) BLOCK)
2
G
5
E
17
13
3
F
4
J
16
C
9
12
D
15
I
B
8
11
14
H
7
6
10
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