Sony CCD-TRV128, Service Manual

Page: 32 / 179

CCD-TRV128/TRV228/TRV228E/TRV328/TRV428/TRV428E
R:REC MODE
P:PB MODE
NO MARK:REC/PB MODE
4.8 2.5
4.8
R3.6/P0.8
3.3
2.2
4.7
4.7
0.8
2
0
2.9
0.5
2.4
3.9
2.3
2.1
2.5
1.1
0.5
0.9
0.8
1.2
1.4
0
R1.2/P2.8
R1.4
/P2.4
R2/P4.7 R3.6/P4.7
R3.8/P4.7
4.7
4.7
R4.3/P4.7
R4.1/P4.7
R4.3/P4.7
0
/TRV328/TRV428
TRV228E/TRV428E
TRV128/TRV228
R0.9/P0
4.6
0.7
4.6
1.1
4.6
R0.9/P0
2.6
2.6
R2.5/P0.1
R0.5/P0.3
R3.1/P4.4
4.7
2.3 0.6 0.4 2.2 R0.1/P1.9 R0/P2.8
2.5
R0/P1.3
R4.5/P3.5
R1.5/P2
R2.2/P2.4
R3.6/P0.8
0
2.2
0
2.6
4.7
0
R2.5/P0.1
0.5
R3.1/P4.7
0
1.4 3.3
0
0
4.7
R4.5/P3.5 3.9
0.7
TRV228E/TRV428E
TRV128/TRV228/TRV328/TRV428
ql
6.1 Vp-p
IC481 wj , ef> PB
NTSC: 33.3 msec
PAL: 40 msec
w;
H
150 mVp-p
IC481
qa
PB
wa
NTSC: 33.3 msec
PAL: 40 msec
400 mVp-p
IC481
9
PB
ws
NTSC: 33.3 msec
PAL: 40 msec
400 mVp-p
IC481
6
REC
(9/10)
36 18
(2/10)
(1/10)
2
33
(3/10)
(6/10)
42
40
(6/10)
(10/10)
39
38
(8/10)
(1/10)
13
19
(2/10)
(6/10)
37
HALL_OFFSET
FRQ_TUNE
1.5M_DEV
FB251
0uH
HALL_REF
BH2222FV-E2
IC251
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
17
18
19
20
21
22
23
24
25
26
27
28
HALL_GAIN
XVC_SCK
AU_2.8V
A_4.6V
DA_STRB
AU_BPF
A_FADE
AFC_F0_ADJ
FB252
0uH
VC_SO
RF_AGC_OUT
12uH
L482
CXA3265R-T4
IC481
1 AFM IN
2 VCC3
3 REC_Y/MT_CONT
4 Y MIX
5 YLPFOUT/CARDETOUT
6 Y/C/ATF IN
7 DOP
8 RP_IR
9 RF AGCOUT
10
AGC TC
11
CLPFOUT
12
DOC_DET
13
RP_PB
14
PBRFOUT
15
MT_F0
16
PCMOUT/MTSW
17
CARDET
18
MTIN
19
MT_Q
20
RAMP IR
21
VCC
22
VPSW1 OUT
23
REC1 IN
24
RAMP V1
25
REC DUMP1
26
GND
27
REC1 OUT
28
PB1 IN
29
VCC AMP
30
PB DUMP1
31
PB DUMP2
32
BIASADJ
33
PB2 IN
34
REC2 OUT
35
GND
36
REC DUMP2
37
RAMP V2
38
REC2 IN
39
VSSW2 OUT
40
GND
41
PCM IN
42
RAMP CONT
43
RAMP
44
PCM REC
45
AFREC
46
BOTH_REC/DV PBPS
47
SWP
48
REC_L_CONT
PB_RF
PB_RF
DOP
REC_AFM
REC_2
22uH
L483
DOP
REG_GND
RP_4.6V
ET482
XX
RB482
470k
Q483
UP04601008S0 3
5
4 6
2
1
FB482
0.01u
16V
C505
XFE_ON
220uH
L484
220uH
L481
ET481
XX
AGC_SLOW
RP_PB_MODE
REC_RF
PB_C_RF
2SA1965-S-TL
Q481
RB483
2200
UNR31A500LS0
Q485
PB_C_RF
FB481
Q482
2SA207800LS0
11P CN481
1
2
3
4
5
6
7
8
9
10
11
BOTH_REC
RB481
22k
UNR32A300LS0
Q484
XX
C504
4.7u C498
XX
C501
XX
C499
0.01u
C496
0.1u
C493
XX
C502
4700p
C509
0.01u
C508
0.47u
C513
0.001u
C507
XX
C510
0.01u
C515
XX
C511
0.01u
C514
0.01u
C481
6.3V
33u
C482
0.01u C488
0.01u
C483
0.022u C486
0.022u C487
0.01u
C484
0.01u C489
100p
C490
XX
C503
0.01u
C497
0.1u
C494
C500
0.1u
82p
C492
150p
C491
100p
C495
XX
C485
4.7u
C252
1u
C251
R481
R482
560
220
R491
33k R492
270
R490
100
R483
2700
R494
27k
R484
220 R488
220 R489
27k
R487
2700
R493
0.5%
150k
R495
1
A
RF_SWP
HALL_OFFSET
XVC_SCK
1.5M_DEV
AFC_F0_ADJ
VC_SO
HALL_REF
AFC_F0_ADJ
A_FADE
HALL_REF
HALL_GAIN
HALL_GAIN
AU_BPF
FRQ_TUNE
FRQ_TUNE
HALL_OFFSET
DA_STRB
A_FADE
AU_BPF
1.5M_DEV
DA_STRB
XVC_SCK
VC_SO
HALL_REF
DOC_DET
CLK
STB(LD)
FRQ_TUNE
D_3.2V(VDD1)
HALL_OFFSET
CFG_DUTY
BEEP_EVR HALL_GAIN
DI
SWP(SEL)
RF_AGC_CONT REC_L_CONT
MT_Q
MT_F0
REC_Y/MT_CONT
XMP/ME
AFC_F0_ADJ XRF_AGC_OFF
RP_IR
A_4.9V(VDD2)
AU_BPF
A_FADE
REC_BIAS
GND
1.5M_DEV
A_4.9V(VCC)
SP1X
SP2X
GND
FE(Y)
GND
GND
SP2Y
SP1Y
GND
GND
FE(X)
AGC SLOW
SWITCH
2
K
4 3
H
E
10 14
C
D
I
11 6 5
F
7
12
J
05
REC/PB AMP (RF BLOCK,ER BLOCK)
13 8 9
VC-341 BOARD (4/10)
XX MARK:NO MOUNT
G
B
IC481
REC/PB AMP
Q481-483
ERASE HEAD OSC
IC251
EVR
(D/A CONVERTER)
39:
56:
R481
PB
VIDEO SIGNAL
SIGNAL
Y
AUDIO
REC
SIGNAL PATH
CHROMA Y/CHROMA
VIDEO/SERVO
SIGNAL
SIGNAL
SERVO
VIDEO/AUDIO/
REC/PB REC PB
Ref.signal
15 16
±
CH
SP1
SP2
CH
FLYNG
ERASE
VIDEO HEAD
M2101:
M2100:
MECHANISM
DECK(1/2)
M2100/M2101
For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
4-15 4-16
VC-341 (4/10)
4-2. SCHEMATIC DIAGRAMS VC-341 BOARD SIDE A VC-341 BOARD SIDE B 4-2. SCHEMATIC DIAGRAMS VC-341 BOARD SIDE A VC-341 BOARD SIDE B