Sony DCR-TRV145E DCR-TRV147E DCR-TRV245E Service Manual page 55

DCR-TRV145E/TRV147E/TRV245E/TRV250E
COVER
COVER
For Schematic Diagram
• Refer to page 4-51 for printed wiring board.
• Refer to page 4-67 for waveforms.
1
VC-304 BOARD (5/12)
A
REC/PB AMP(RF BLOCK,EVR BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
RP_4.6V
B
RP_6.0V
RP_2.8V
AU_2.8V
41
(11/12)
C
REG_GND
42 CAM_SCK
CAM_SO
(7/12)
DA_STRB
D
38
HALL_REF
HALL_OFFSET
(4/12)
HALL_GAIN
E
F 2
FREQ_TUNE
(1/12)
43
RF_MON
(12/12)
G
RFIN
RECA1
24
RECA2
(2/12) RECCK
H RECDT
I
XFE_ON
XME/MP
44
SW_PS
J
(7/12)
ALL_PS
45
RF_SWP
(7/12)
K
05
VC-304 (5/12)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
2 3 4 5
L3201
10uH
C3201
10u
16V
CAM_SCK
CAM_SO
DA_STRB
FB1601
0.1 1.4 2.9
C1601
4.7u
16 15 14 13 12 11 10 9
HALL_REF
HALL_OFFSET
HALL_GAIN
IC1601
EVR
(D/A CONVERTER)
IC1601
BH2223FV-E2
1 2 3 4 5 6 7 8
1.4 1.4
0.8 0.9
RECA1
C3202
0.01u
RECA2
RECCK
RECDT
XFE_ON
XME/MP
SW_PS
4-17
VC-304 BOARD SIDE A VC-304 BOARD SIDE A VC-304 BOARD SIDE B VC-304 BOARD SIDE B
6 7 8 9
Q3202,3204,3205
FLYING ERACE
L3203
220uH
R3220
L3202
10uH RB3201
R2.1/P4.7
22k
6 3
2
C3203
R1.3/P2.4
10u
Q3202
1 4
16V
UP04601008S0
R1.3/P2.9
XME/MP
C3211
0.01u
C3212
6800p
2.3
24 23 22 21 20 19 18 17 16 15 14 13
C3204
25 PB_X_OUT
0.01u
26 GND
CL3201
R4.5/P2.7
27 PB_Y_OUT
R3.0/P2.6
C3210
28 PB_RF_IN
0.01u
4.7
29 VCC_PB_4.6V
IC3201
R3.2/P0.9
30 TEST_OUT
31 GND REC/PB AMP
C3208 IC3201
R3.2/P2.1
0.47u
32 AGCTC_Ech CXA3619R-T4
R3.2/P2.1
C3205
33 AGCTC_Och
0.47u
0.9
34 AGC_EVR (0.875V) 17
R1.1/P2.1
35
PB_RF_OUT
1.4
36 LPF_f0 (1.35V)
18
C3224
0.01u
C3225
0.01u
37 38 39 40 41 42 43 44 45 46 47 48
R2.9/P0
C3215
0.01u
10 11 12 13
OSC
Q3204
L3204 C3220 R3225 R3227
2SA207800LS0
12uH 100p 270 2200
4.7
R3230
56
33k
4.0
C3219 R4.4
/P4.7
82p C3223
4.7
R3229 0.1u
0 100
5
R4.2/P4.7
0
Q3205
R3.8/P4.7
2SA1965-S-TL
C3218 R3228 R3231
100p 4700 560
R3.7/P4.7
Q3203
UNR32A300LS0
SWITCH
2.9
0.1
C3217
0.01u
2.9
GND 12
R3221 220 0.5%
R3.6/P1.7
D1O 11
R3.3/P1.7
XO
16 10
R3.4/P1.7
9
YO
R3.5/P1.7
D2O 8
R3222 220 0.5%
GND 7
GND 6
R3223 220 0.5%
R3.6/P1.7
D2E 5
R3.3/P1.7
16 YE
4
R3.4/P1.7
XE 3
R3.5/P1.7
D1E 2
R3224 220 0.5%
GND 1
SIGNAL PATH
VIDEO SIGNAL
SIGNAL
Y/CHROMA
REC
PB
Ref.signal
4-18
14 15
M2200
MECHANISM
DECK(1/2)
VIDEO HEAD
CN3201 11P
11 FE(X)
FLYING
ERASE
10 FE(Y)
9 GND
8 YEVEN(SP2Y)
CH
SP2
7 XEVEN(SP2X)
6 GND
5 YODD(SP1Y)
CH
SP1
4 XODD(SP1X)
3 GND
2 GND
1 GND
VIDEO/AUDIO/
AUDIO
SERVO
SIGNAL
REC REC/PB PB