Vf-143 Printed Wiring Board - Sony MVC-FD97 Service Manual

VF-143 (LCD DRIVE) SCHEMATIC DIAGRAM • See page 4-55 for VF-143 printed wiring board. • See page 4-72 for waveforms.
2 3
1
VF-143 BOARD(1/2)
A
LCD DRIVER(VF1 BLOCK)
-REF.NO.:2,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
Q501
B
CPT-182S-C-TSL-BCD
EYE SENSOR
R533
18k
C502
C 0.01u
B
C501
10u
L501
6.3V
10uH
D
CN501 27P
SENSOR_GND 1
SENSOR_GND 2
EVF_SENS 3
BL_UNREG 4
EVF_LED_ON 5
SENSOR_GND 6
E
EVF_XHD 7
EVF_B-Y 8
EVF_Y 9
EVF_R-Y 10
EVF_XVD 11
GND 12
FC-85 BOARD (12/12)
GND 13
CN802
D_3.2V 14
F
THROUGH THE
EVF_3.1V 15
FP-173 FLEXIBLE
(SEE PAGE 4-37)
EVF_3.1V 16
EVF_12.0V 17
EVF_12.0V 18
EVF_VG 19
VCO 20
EVF_BL_4.75V 21
EVF_BL_4.75V 22
EVF_BL_GND 23
G
EVF_BL_GND 24
XCS_EVF_EVR 25
DATA_FROM_HI 26
XHI_SCK 27
05
4 5 6
R503
10 D501 R507
1/8W 22k
CL-200IR-X-TSL-BCD
3216
(EYE SENSOR LED)
C506
0.1u
R508
33k
R509
Q502
2SC5376F-B(TPL3)
C505
IC501
4.7u
DETECT
XX
10V
B
A_OUT VCC
A_IN
(-)
R504 B_OUT
2.0 680k
A_IN B_IN
(+) (-)
C504
R531
0.01u
0 SHA
B_IN
GND
(+)
SHB
SHG
C503
C522
10u
XX IC504
16V SHR
TA75S01F(TE85R)
TA
R505
L502
56
IN(+)
10uH C507
VCC 1/10W
2.0 3.1 47u
VEE
6.3V
TA B
IN(-)
IC504
OUT
2.0 1.6
DETECT
C508
0.01u
B
XHD
XVD
R506
XX
XCS
SI
XSCK
4-57
7 8 9
R517
39k
R525
R511 R513 R516 R520
R518
XX
XX 68k 39k
68k 47k
R519
R512 R514 R521
33k
XX 33k 39k
C517
36 35 34 33 32 31 30 29 28 27 26 25
6
2.2u
20V
TA
XX
R526
7.3
N.C. B OUT
1.8
N.C. B DC DET
7
0.6 R523
7.3
G OUT
BRIGHT
1.4
1.8
CONTRAST IC502 G DC DET
5
R524
7.3
N.C. R OUT
1.8
LCD DRIVER
SUB CONT B R DC DET
4
SUB CONT R IC502 GND1
3.0 CXA8115AR-T4
VCC1 GND2
0.8
7.0
SHA BUF OUT
3.0 1
2 7.0
SHB BUF IN
0.8
SHG EXT BGP
0.8
2.7
SHR N.C.
R522
1 2 3 4 5 6 7 8 9 10 11 12 1M
L503
R515 C509 C512
22uH XX XX
0.01u
3
B C510
B
0.01u
B
C511
0.01u
B
Q504
XX
R510 0
10 11 12
R527
XX
R528
XX
C518
0.01u
B
A
100
C514
4.7u
100
B
C515
4.7u
100 B
C516
4.7u
IC503
EVR
B
(D/A CONVERTER)
C519
2.2u
IC503
F
M62376GP-65AD
R530 39k
0.7
BRT
BRT GND
CLR 1.2
VDD_A
COLOR
2.1
SBR
C513
SUB_BRT_R XCS
4.7u 1.3
SBB
3216
SUB_BRT_B SO
B
CONT 1.4 2.5
SI
CONTRAST
XSCK
0.9
R529
B_LIMIT
BLACK_LIMIT XSCK
XX
1.0
GAM
GAMMA_1 XLOOK_ON
CLR
1.5
ADJ
VCO
AGC
2.3
INV_CURRENT XNTSC
LOOK_LEVEL WIDE
0
PIC
VCC_D
PICTURE
AGC
0
AGC_LEVEL VDD
SIGNAL PATH
VIDEO SIGNAL
CHROMA
REC
PB
4-58
MVC-FD97
13 14
SHA
SHA
SHR
SHR
SHB
SHB
SHG
1
SHG
FRP
VF-143 BOARD (2/2)
FRP
XHD
XHD
XVD
XVD
SBLK
SBLK
2
EVF_12.0V VF-143 BOARD (2/2)
B
3
G VF-143 BOARD (2/2)
R
COM
L504
C520
10uH
0.01u
B
3.0
XCS
3.2
SI C521
10u
6.3V
2.8
0
ADJ
4
0
XNTSC
0 VF-143 BOARD (2/2)
WIDE
3.1
VCO
5
VXO
VF-143 BOARD (2/2)
INV_CURRENT
EVF_GND
6
EVF_3.1V
VF-143 BOARD (2/2)
EVF_BL_4.75V
EVF_BL_GND
Y
LCD DRIVE
VF-143 (1/2)