Sony DCR-TRV145E DCR-TRV147E DCR-TRV245E Service Manual page 59

DCR-TRV145E/TRV147E/TRV245E/TRV250E
COVER
COVER
For Schematic Diagram
• Refer to page 4-51 for printed wiring board.
• Refer to page 4-68, 4-69 for waveforms.
1 2
VC-304 BOARD (9/12)
A EVF DRIVE (EVF BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
D_2.8V
EP_4.6V
B
EP_13.3V
C
71
(11/12)
D
EP_2.8V
E
REG_GND
36
BW_Y
(3/12)
F
G
H
58
XRST_VTR
(7/12)
I
J
K
22
PANEL_HD
PANEL_VD
(2/12)
XCS_EVF
53
VD_SCK
VD_SO
(7/12)
EVF_VG
L
72
05 EVF_VG
VCO
(12/12)
VC-304 (9/12)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
3 4 5 6
R7006
15k
0.5
0.7
36 35 34
C7003
0.01u
1.2
C_BG
XC_SAVE 2.9
XC.SAVE
VD_SCK 2.6
XSCK
XTG_SO 2.5
SI
XCS_EVF 2.8
L7001 XCS
R7003
10uH
470k 2.9
Vcc1
R7017
2.9
C7022 C7020
R7016
XX TRAP_ADJ
10u
0.01u 47k
4V 0.5%
1.2
LPF_ADJ
XP_SAVE 2.9
XP.SAVE
C7004
1.8
0.01u
28
B_IN
1.8
G_IN
1.8
R_IN
C7006
0.01u
1 2 3
2.8
R7048
XX
EVF_VG
BGP 2.8
XCLP
TST3
BLK 0
SBLK
FRP 1.4
FRP
C7008
0.01u
R7046 TST4
470
VD_SCK 2.6
XSCK
2.9
VDD
XCS_EVF 2.8
XCS
XTG_SO 2.5
SO
VD_SO 1.0
SI
PANEL_HD
PANEL_VD
VDO
PANEL_VD 2.8
XVD
XCS_EVF
VD_SCK
VD_SO
EVF_VG
PANEL_HD
4-25
VC-304 BOARD SIDE A VC-304 BOARD SIDE A
7 8 9 10
R7047 XX
C7021
C7023 C7013
2.2u
XX 0.01u
50V
2.8
0 1.4 13.3
33 32 31 30 29 28 27 26 25
6.7
VB
C7015
RB7005
1.7 1u
100
VB_DC_DET
6.7
29
VG
C7016
1.7 1u
VG_DC_DET
6.7
VR
C7017
IC7001 1u
1.7
VR_DC_DET
LCD DRIVER
GND2
IC7001
RB5P004AM1
GND1
R7019
VREF 47k
0.5%
13.3
Vcc3
C7018
2.2u
6.3
COM_OUT
6.3
COM_IN
R7020
1M
0.5%
C7019
4 5 6 7 8 9 10 11 12
2.6
D7001
R7013
100k 1SV290(TPL3)
R7008 C7010 C7012
0.1u
47k 0.001u
R7011 C7014
R7010 L7002
68k 120p
22k 6.8uH
2.9 2.9
36 35 34 33 32 31 30 29 28 27 26 25
0
32
BLK
1.4
HCK1
1.4
HCK2
0.1
HST
RGT
IC7002 2.9
VDD
TIMING GENERATOR
IC7002 DWN
CXD3501AR-T4
2.7
EN
2.9
STB
1.4
VCK
33 0
VST
TSTEN
30 31
1 2 3 4 5 6 7 8 9 10 11 12
2.7 2.9 2.9
VC-304 BOARD SIDE B VC-304 BOARD SIDE B
11 12 13 14
RB1001
RB1002
XX
XX
R1019
XX
R1020
XX
R1008 1k
IC1001
TK11131CSCL-G
2.9 4.8
VCONT
VIN
GND
1.3 3.1
NP
VOUT
RB7006
IC1001
100K
2.2u
3.1V REG
C1001
0.1u
4-26
15 16 17
56
F_RATE
EVF_DD_ON
(7/12)
CN1005 20P
20 VST
19 VCK
18 STB
17 EN
16 HST
15 HCK2
14 HCK1
13 BLK
12 REG_GND
LB-090 BOARD
11 REG_GND
CN701
10 VB
THROUGH THE
FP-571 FLEXIBLE
9 VR
(PAGE 4-37)
8 VG
7 COM
6 D_2.8V
5 EVF_4.6V
4 LED_ON/OFF
3 EVF_VDD
2 LED_DA
1 XTALLY_LED
68
XEVF_TALLY_LED
(8/12)
9
USB_3.1V
(2/12)
SIGNAL PATH
VIDEO SIGNAL
Y
REC
PB