Sony DCR-TRV725E Service Manual page 100

For Schematic Diagram
• Refer to page 4-67 for printed wiring board.
• Refer to page 4-99 for waveforms.
1 2 3
CF-084 BOARD(2/2)
EVF DRIVE
A
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
C205
XX
XC_SAVE
XHI_SCK
XTG_SO
C
EVF_13.3V XCS_EVF
L201
10uH R203
2520 470k
EVF_2.8V
C201
C202
10u 0.1u
R205
4V B
27k
TA A
± 0.5%
REG_GND
XP_SAVE
D C207
0.01u
B
EVF_B
C208
R231
0.01u
0
B
BW_Y
C209
R232
0.01u
0
B
EVF_R
E
F
1
TO(1/2)
G
R226
0
XSYS_RST
BGP
H
BLK
FRP
XHI_SCK
I
HDO
VCO
XHD
XCS_EVF
EVF_XHD
XVD
EVF_XVD
XTG_SO
XCS_EVF
XCS_EVF
XHI_SCK HI_SO
XHI_SCK
HI_SO
HI_SO
XVD
J
XHD
K
HDO
16
4 5 6 7
FB202
0uH
TA
R208
XX
36 35 34 33 32 31 30 29 28 27 26 25
0
C_BG
2.8
XC.SAVE VB_DC_DET
2.5
1
XSCK
2.7
SI VG_DC_DET
IC201
2.9
XCS
RGB DRIVE
2.8
Vcc1 VR_DC_DET
IC201
2.8
CXA3579R-T4
TRAP_ADJ
1.2
LPF_ADJ
2.8
XP.SAVE
1.8
B_IN
2
1.8
G_IN COM_OUT
1.8
R_IN COM_IN
1 2 3 4 5 6 7 8 9 10 11 12
R209 C213
R211
0.1u B
2700
68k R215
C212
100k
560p
FB201 CH
0uH
R213 R214
R210
68k 1M
47k
C210
L202
0.1u
6.8uH
16V R212
2520
B
22k
C206
R207
XX
B XX
36 35 34 33 32 31 30 29 28
C211
XX
R206
B
XX
Q201
XX
2.7
XCLP
TST3
0
SBLK
1.4
FRP
IC202
TST4
2.5 TIMING GENERATOR
XSCK
IC202
2.8 CXD3501AR-T4
VDD
2.9
XCS
2.7
SO
2.3
SI
VDO
2.8
XVD
1 2 3 4 5 6 7 8 9
4-73
8 9 10
C214
C216
3.3u
0.1u
20V
B
A
R216
6.5 390
C218
VB
1u
3.5 B
R217
6.5 390
VG C219
1u
3.5
B
R218
390
6.5
VR C220
1u R220
R222 R221
3.5
B 33k
33k
33k
GND2
GND1
VREF
12.9
Vcc3
C221
R219
2.2u
180k
B
TG24
TG23
TG22
TG21
TG17
TG16
D202
1T369-01-T8A TG15
TG14
C215
0.001u
C222
B C217
XX
120p
F
CH
2012
27 26 25
0
TG24
3
BLK R227 R228
0 0
1.4
TG23
HCK1
R229 R230
0
1.4 0
TG22
HCK2
0.1
TG21
HST
RGT
2.8
VDD
DWN
2.3
TG17
EN
2.8
TG16
STB
1.4
TG15
VCK
0
TG14
VST
TSTEN
10 11 12
DCR-TRV725E/TRV730/TRV730E/TRV828/
11 12
EVF_VG
2
TO(1/2)
COM_DC
XTALLY_LED
EVF_4.75V
CN201 20P
1 EVF_4.75V
2 XTALLY_LED
3 LED_DA
4 LED_ON/OFF
5 EVF_GND
6 EVF_GND
7 COM
TO
8 VG
LB-071 BOARD
CN701
9 VR
THROUGH THE
10 VB FP-268 FLEXIBLE
11 BLK
(SEE PAGE 4-77)
12 HCK1
13 HCK2
14 HST
15 EN
16 STB
17 VCK
18 VST
19 EVF_GND
20 EVF_VDD
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
4-74
TRV828E/TRV830/TRV830E
EVF DRIVE
CF-084 (2/2)