Lcd Drive) Schematic Diagram - Sony MVC-FD97 Service Manual

PK-55 (LCD DRIVE) SCHEMATIC DIAGRAM • See page 4-43 for PK-55 printed wiring board. • See page 4-71 for waveforms.
1 2
PK-55 BOARD (2/4)
A
LCD DRIVE(RGB BLOCK)
-REF.NO.:2,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
L801
100uH
PANEL_3.2V
1
D_3.2V
C801
PK-55 BOARD (1/4)
0.1u
C
REG_GND
C802
0.1u
PANEL_6.5V
D
XHI_SCK
HI_SO
8
PK-55 BOARD (1/4)
XCS_PANEL_D/A
PANEL_Y
PANEL_R-Y
PANEL_B-Y
E
F
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y
REC
G
PB
05
3 4 5
IC801
MB40D001PFV-G-BND-ER
3.1
0
VDD P_MUTE
3.2
3
VCC BRT_TST
3.2 1.5
H_REV BL_LEV
H_REV
BL_LEVEL
3.2 1.3
V_REV V-COM
V_REV V-COM
NTSC 3.2 0
VCO
NTSC VCO
COMTST 0 2.2
COM_ADJ
COMTST COM_ADJ
2.9 2.2
AMP
CLK
RGB_AMP
0.1 2.7
SI CONT
1.4
BRT_B
SO BRT_B
3.1 1.7
BRT_R
XEN BRT_R
3.1 1.1 COLOR
VDDA COLOR
2
VSS BRIGHT
IC801
D/A CONVERTER(EVR)
0
FB801 C803 0.01u
C804 0.01u
FB802
C805 0.01u
FB803
4-49
6 7 8
R812
*R817
47k
12k :TYPE S
5600 :TYPE C
R808
R813 R817
22k 15k *
R818
39k
R809 R814
12k 33k
C807
C808
47u
0.1u
6.3V
2 1
36 35 34 33 32
COM_BLK
3
C806
XTEST
0.1u
2
BRIGHT
2.7
CONTRAST
IC802
COM-O
COM_OUT
3.3
SUB_CON_B
SUB_CON_R
3.1
VCC1
OSD_B
OSD_G
OSD_R
0
BLACK_IN
R805
XX
INB
4.9
VCC
0 INA
0 1 2 3 4 5
OUT 1.8
GND 0
IC803
TC7SH32FU-
TE85R
R810 C809
R806 0 XX
IC803 XX 6.3V
R807 R819
BUFFER
XX
XX
9 10
C811
L802
10u
10uH
10V
C813
0.1u
C812
10u
4.9 6.6 10V
31 30 29 28 27 26 25
5
6
2.5
B_OUT
1.9 C814
B_DC_DET 0.33u
2.5
G_OUT
1.9
C815
G_DC_DET
0.33u
2.5
R_OUT
1.9
C816
LCD DRIVE R_DC_DET
0.33u
IC802
GND1
IR3Y37A4 4
GND2
SYNC_OUT
3.1
SYNC_IN
4.6
2 EXT_BGP
1
SYNC_SEP
6 7 8 9 10 11 12
1.9 2 2 1.2 3
R821
10k
COLOR
C810 R820
0.1u 100k
4-50
MVC-FD97
11 12
14
BL_LEV
PK-55 BOARD (4/4)
BL_LEV
15
P_4.9V
PK-55 BOARD (3/4)
7
VG PK-55 BOARD (1/4)
VB
VG
VR
COM-O
COM-O
FRPV
FRPV
FRPT
FRPT
P_XHD
17
PK-55 BOARD (3/4)
COMTST
COMTST
NTSC
NTSC
V_REV
V_REV
H_REV
H_REV
V-COM
V-COM
VCO
VCO
W_MSK
LCD DRIVE
PK-55 (2/4)