Rgb Driver; Schematic Diagram - Sony MVC-FD85 Service Manual

For schematic diagram
• Refer to page 4-31 for printed wiring board.
• Refer to page 4-56 for waveforms.
2 3
1
PK-50 BOARD(3/4)
(FD90 MODEL) NO MARK:REC/PB MODE
R :REC MODE
RGB DRIVER(RGB BLOCK)
P :PB MODE
A
-REF.NO.:5000 SERIES-
XX MARK:NO MOUNT
PANEL_6.5V
B
17
TO(1/4)
L801
100uH
2520
PANEL_3.2V
C801
0.1u
F
2.9
REG_GND
3.1
C802
C
0.1u H_REV 3.1
F
3.1
V_REV
12
TO(1/4,4/4) 3.1
D_3.2V NTSC
COMTST 0
2.8
XHI_SCK
2.6
D
HI_SO
15
TO(1/4)
3.1
XCS_PANEL_D/A
2.9
E
F
FB801
0uH
G
PANEL_Y
FB802
0uH
8
TO(1/4) PANEL_R-Y
FB803
0uH
PANEL_B-Y
16
4 5 6 7
R808
22k
R809
12k
IC801
MB40D001PFV-G-BND-ER
C807
C808
47u 6.3V
0.1u
0
TA B
F
VDD P_MUTE
2.9
VCC
BRT_TST
BL_LEV
1.7
H_REV BL_LEVEL
1.6 V-COM
V_REV V-COM
1.2 VCO
NTSC VCO
1.2 COM_ADJ
COMTST COM_ADJ
2.9
C806
1.5 AMP
0.1u
CLK RGB_AMP 1.9
2.1 2.1
SI CONT
COM-O 3.2
1.7 BRT_B
R803
SO BRT_B
0
2.2 BRT_R
XEN BRT_R
2.9
1.1 COLOR
VDDA COLOR
1.9
VSS BRIGHT
0
IC801
IC803
EVR
TC7SH32FU-TE85R
INB
0
VCC
4.9
0
INA
OUT
GND 0
IC803
R805 R806
OR GATE XX
XX
R807
XX
C803
0.01u
C804
0.01u
C805
0.01u
4-45
8 9 10 11
Note:Refer to page 4-48for
(Note)
R817
5.6k:Type CA
12k :Type SH
C811 L802
R812 R813 R817 10u 10uH C813
0.1u
47k 15k 10V 2520
F
TA
R818
39k
R814
33k
C812
10u
10V
TA
A
36 35 34 33 32 31 30 29 28 27 26 25
17
COM_BLK B_OUT
2.5 C814
XTEST B_DC_DET 0.33u
1.9 B
16
BRIGHT G_OUT
IC802 2.5 C815
0.33u
CONTRAST G_DC_DET
1.9 B
COM_OUT LCD R_OUT
2.5
DRIVER C816
SUB_CON_B R_DC_DET
15 0.33u
IC802 1.9
B
SUB_CON_R IR3Y37A4 GND1
VCC1 GND2
13
OSD_B SYNC_OUT
OSD_G SYNC_IN
2.9
12 14
OSD_R EXT_BGP
2.9
BLACK_IN SYNC_SEP
1 2 3 4 5 6 7 8 9 10 11 12
C809
XX R821
6.3V
10k
TA COLOR
R820
R819
XX 100k
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y
REC
PB
12 13
LCD type check.
BL_LEV
4
BL_LEV TO(2/4)
5
P_4.9V TO(4/4)
VB
VG
VR
COM-O
COM-O
FRPV
7
FRPV TO(4/4)
FRPT
FRPT
COMTST
COMTST
NTSC
NTSC
V_REV
V_REV
H_REV
H_REV
V-COM
V-COM
VCO
VCO
P_XHD
6
TO(4/4)
W_MSK
Y/CHROMA
4-46
MVC-FD85/FD90

RGB DRIVER

PK-50 (3/4)