MVC-FD97
4-49
4-50
LCD DRIVE
PK-55 (2/4)
PK-55 (LCD DRIVE) SCHEMATIC DIAGRAM
• See page 4-43 for PK-55 printed wiring board.
• See page 4-71 for waveforms.
:TYPE C
:TYPE S
NO MARK:REC/PB MODE
1.5
0
3
0
2.2
2.7
2
1.3
2.2
1.4
1.7
1.1
3.1
3.1
0.1
2.9
3.1
3.2
3.2
3.2
3.2
0
3
2
2.7
3.3
3.1
0
2.5
1.9
2.5
1.9
1.9
2.5
3.1
4.6
6.6
2
1
0.8
1.7
1.4
2.2
2.5
2.4
4.9
1.8
1.2
2
3.1
0.7
0
1.1
1.9
2
4.9
0
0
0
6
5
4
3
2
1
39k
R818
0.1u
C801
VG
FRPV
0.33u
C815
0.1u
C808
VR
FRPT
XX
R807
0.33u
C814
100uH
L801
VB
P_XHD
NTSC
15k
R813
VCO
COM-O
0.1u
C810
H_REV
33k
R814
V-COM
47k
R812
XX
R819
10u
10V
C812
10V
10u
C811
10uH
L802
V_REV
0.01u
C804
47u
6.3V
C807
6.3V
XX
C809
IR3Y37A4
IC802
PICTURE
1
Y/CR/XRGB_SW
2
AGC_FIL
3
AGC_OUT
4
AGC_L
VL
5
COLOR
6
H_FIL_IN
7
G/Y
8
R/R-Y/CR
9
B/B-Y/CB
10
H_FIL
11
REG_OUT
12
SYNC_SEP
13
EXT_BGP
14
SYNC_IN
15
SYNC_OUT
16
GND2
17
GND1
18
R_DC_DET
19
R_OUT
20
G_DC_DET
21
G_OUT
22
B_DC_DET
23
B_OUT
24
VCC2
25
VSH
26
OUT_LIM
27
COM_FRP
28
FRP
29
RGB_AMP
30
SUB_BR
T_B
31
SUB_BR
T_R
32
GAMMA0
33
GAMMA2
34
COM_AMP
35
COM_BLK_L
VL
36
COM_BLK
37
XTEST
38
BRIGHT
39
CONTRAST
40
COM_OUT
41
SUB_CON_B
42
SUB_CON_R
43
VCC1
44
OSD_B
45
OSD_G
46
OSD_R
47
BLACK_IN
48
0.01u
C803
0.1u
C802
22k
R808
P_4.9V
10k
R821
100k
R820
BL_LEV
MB40D001PFV-G-BND-ER
IC801
1
BRIGHT
2
COLOR
3
BRT_R
4
BRT_B
5
CONT
6
RGB_AMP
7
COM_ADJ
8
VCO
9
V-COM
10
BL_LEVEL
11
BRT_TST
12
P_MUTE
13
VDD
14
VCC
15
H_REV
16
V_REV
17
NTSC
18
COMTST
19
CLK
20
SI
21
SO
22
XEN
23
VDDA
24
VSS
0.1u
C806
0.01u
C805
12k
R809
XX
R806
0.33u
C816
0.1u
C813
XX
R805
COMTST
TC7SH32FU-
TE85R
IC803
1
INB
2 INA
3
GND
4
OUT
5
VCC
W_MSK
FB801
FB802
FB803
XHI_SCK
HI_SO
XCS_PANEL_D/A
D_3.2V
PANEL_6.5V
PANEL_3.2V
PANEL_Y
PANEL_R-Y
PANEL_B-Y
*
R817
0
R810
1
A
REG_GND
VG
COLOR
AMP
H_REV
COM_ADJ
V-COM
COM-O
FRPT
V-COM
VCO
BR
T_B
BR
T_R
AMP
VCO
BRT_R
BRT_B
COM_ADJ
V_REV
BL_LEV
COLOR
FRPV
COMTST
NTSC
V_REV
H_REV
COM-O
FRPV
FRPT
NTSC
COMTST
BL_LEV
LCD DRIVE
IC802
IC801
D/A CONVERTER(EVR)
BUFFER
IC803
12k
*
R817
5600
CHROMA
PB
SIGNAL PATH
REC
Y
VIDEO SIGNAL
1
PK-55 BOARD (1/4)
PK-55 BOARD (1/4)
8
2
4
F
12
5
G
11
8
7
6
E
05
B
9
3
D
C
10
XX MARK:NO MOUNT
-REF.NO.:2,000 SERIES-
PK-55 BOARD (2/4)
LCD DRIVE(RGB BLOCK)
PK-55 BOARD (4/4)
14
15
PK-55 BOARD (3/4)
PK-55 BOARD (1/4)
7
PK-55 BOARD (3/4)
17