Sony DCRTRV250 - Digital8 Camcorder With 2.5" LCD, Service Manual

Page: 121 / 147

DCR-TRV250
COVER
COVER
For Schematic Diagram
• Refer to page 4-37 for printed wiring board.
• Refer to page 4-47, 4-48 for waveforms.
4-2. SCHEMATIC DIAGRAMS VC-304 BOARD SIDE A VC-304 BOARD SIDE B 4-2. SCHEMATIC DIAGRAMS VC-304 BOARD SIDE A VC-304 BOARD SIDE B
4-23 4-24
VC-304 (9/12)
NO MARK:REC/PB MODE
29
28
32
33
30 31
1.2
2.9
2.6
2.5
2.8
2.9
2.9
1.2
2.9
1.8
1.8
1.8
0.7
0.5
0 1.4 13.3
2.8
6.7
1.7
6.7
1.7
6.7
1.7
13.3
6.3
6.3
2.8
0.9 2.9 0.9 0.9 1.4 1.4 1.4 1.5
2.6
2.9 0.9 2.9 0.9 0.9 1.4 2.9 1.4 1.4 2.9
0
1.4
1.4
0.1
2.9
2.7
2.9
1.4
0
2.8
0
1.4
2.6
2.9
2.8
2.5
1.0
2.8
2.7
0.3
2.9 2.9
2.9
1.3
4.8
3.1
(7/12)
56
68
(8/12)
71
(11/12)
36
(3/12)
9
(2/12)
(PAGE 4-31)
LB-090 BOARD
CN701
FP-571 FLEXIBLE
THROUGH THE
IC1001
IC7001
IC7002
(12/12)
72
(7/12)
53
(2/12)
22
(7/12)
58
BW_Y
XRST_VTR
EP_2.8V
R7010
22k
C7008
0.01u
C7009
560p
PANEL_VD
R7009
68k
C7010
0.1u
PANEL_HD
R7007
2700
C7003
0.01u
R7008
47k
L7002
6.8uH
C7014
120p
XCS_EVF
IC7002
CXD3501AR-T4
1
HD
2
HDO
3
XWR
T
4
CMPO
5
DETIN
6
GND
7
TST0
8
LED
9
PWM
10
-IN
11
+IN
12
TST1
13 TSTEN
14
VST
15 VCK
16 STB
17
EN
18 DWN
21 HST
19 VDD
20 RGT
22
HCK2
23 HCK1
24 BLK
25
XPSA
VE
26
OSCO
27
OSCI
28
XCSA
VE
29
RPD
30
TST2
31
GND
32
SHA
33
SHB
34
SHG
35
SHR
36
XCLR
37 XCLP
38 TST3
39
SBLK
40 FRP
41 TST4
42 XSCK
45 SO
44
XCS
43 VDD
46 SI
47
VDO
48 XVD
L7001
10uH
C7019
2.2u
R7011
68k
C7006
0.01u
IC7001
RB5P004AM1
1
XSH.SA
VE
2
SH_R
3
SH_G
4
SH_B
5
SH_A
6
N.C
7
BIAS
8
OP_IN+
9
OP_IN-
10
OP_OUT
11
VCO
12
COM_DC
13 COM_IN
14
COM_OUT
15 Vcc3
16 VREF
17
GND1
18 GND2
21
VG_DC_DET
19 VR_DC_DET
20
VR
22
VG
23 VB_DC_DET
24
VB
25
Vcc2
26
VP_DC_DET
27
VP
28
XVP
.SA
VE
29
PFRP
30
FRP
31
PRG
32
BLACK_IN
33
BGP
34
N.C
35
EXT_DA
36
R_INJECT
37 C_BG
38 XC.SAVE
39 XSCK
40 SI
41
XCS
42 Vcc1
45 XP.SAVE
44
LPF_ADJ
43 TRAP_ADJ
46
B_IN
47
G_IN
48
R_IN
R7013
100k
R7012
1M
C7012
0.001u
REG_GND
EP_13.3V
D7001
1SV290(TPL3)
0.5%
R7019
47k
0.5%
R7020
1M
C7018
2.2u
RB7005
100
R7046
470
RB7006
100K
0.5%
R7016
47k
R7017
XX
VD_SCK
VD_SO
VCO
XX R7047
XX
R7048
C7004
0.01u
D_2.8V
RB1001
XX
XEVF_TALLY_LED
XX
R1020
TK11131CSCL-G
IC1001
1
2
3 45
20P CN1005
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
USB_3.1V
0.1u
C1001
RB1002
XX
XX
R1019
F_RATE
EP_4.6V
EVF_DD_ON
R7003
470k
C7013
0.01u
C7023
XX
50V
C7021
2.2u
R7006
15k
C7020
0.01u
4V
C7022
10u
C7015
1u
C7016
1u
C7017
1u
R1008 1k
EVF_VG
EVF_VG
1
A
BGP
XP_SAVE
XC_SAVE
BGP
BLK FRP
XCS_EVF
SHR SHG SHB SHA
SHA SHB SHG SHR
XP_SA
VE
XC_SA
VE
BLK
FRP
PANEL_VD
VD_SO
VD_SCK
XCS_EVF
XTG_SO
XCS_EVF
VD_SCK
VD_SCK
VD_SO
PANEL_VD
PANEL_HD
XTG_SO
PANEL_HD
EVF_VG
EVF_VG
HCK2
XTALLY_LED
STB
VCK
VST
EN
D_2.8V
EVF_4.6V
REG_GND
VR
VB
LED_ON/OFF
BLK
HST
VG
REG_GND
LED_DA
COM
EVF_VDD
HCK1
3.1V REG
LCD DRIVER
TIMING GENERATOR
REC
Y
PB
SIGNAL PATH
VIDEO SIGNAL
L
8 13 4
K
B
3 2
G
05
17
J
12 7 15
EVF DRIVE (EVF BLOCK)
VC-304 BOARD (9/12)
XX MARK:NO MOUNT
F
5 6 11
I
D
16
C
14 10
E
H
9
VCONT
GND
NP
VOUT
VIN