Panasonic CY-VHD9401U Service Manual page 50

CY-VHD9401U
20.2. TFT Block
CN901
8
INT9V
INT9V 9
INT9V 10
INT9V 11
INT9V 12
INT9V 13
IC701
+5V
REG
CN902
IC962
IR
LIGHT 2
RECEIVER
SENS
IC802
DATA
3
OSDC COM 18
SHIFT
CLK
DSDC SCK 20
1 REG
CS
OSDC CS 19 2
OSDC
PCL
17 4
RESET
HSYNC
HD 20
VSYNC
19
VD
Q805
VIDEO
BUFF
12
SYNC
SYS5V
SYS 5V 3
I2C SDA 9 SDA
I2C SCL 10
SCL
SDA
21
SCL
20
IC806
EEPROM
3 4
IC702,Q704,705
D706,707
D704
Q703
+3.3V +3.3V DC-DC
Q705,707
REG CONVERTER
D708,709
D705
+5V
SDA
IC802
SCL
OSDC
VIDEO
DECODER
RAM
OUTPUT
CONTROL
DATA
DISP
COUNTER
OSC
SELECT
REG
SYNC
3.8M
BEF
IC905
D/A CONVERTER
A01
8-BIT
R-2R 1
LATCH
A02
I2C BUS
2
INTERFACE
D/A & I/O
CONTROL
A05
8-BIT
R-2R 5
LOGIC
LATCH A06
6
A07
7
A08
8
8-BIT A09
9
R-2R
LATCH
A10
10
A11
11
A12
12
E-4C279
Q801 Q780
+7.5V +5V
+17V +7.5V POWER
REG REG CONTROL
+17V
BL CNT
-13V -13V
REG
IC801
Q803
SDATA
BUFF
48
SHIFT
SCLK
REG DAC
47
R
VCR
16 12
VCG G
DET
17 13
VCB B
18 14
VBLK
15 42
RGB SW
Y-IN
DELAY MATRIX
60
C-IN
INT/EXT
51 DEM
SW
Q804
SYNC IN
BUFF 45 SEP
30 55
XL801
3579.545KHz
IC901
48
INV CNT
BL CNT
P/N 525/625
31,42,46
HPOS1
38
TFT RESET
41
SIDE1
28
JUST
26
ZOOM TFT CONTROLLER
25
PD
13
FLICKER
PLL
IC902
VCOI
16
VCOO
17
50
T780
IC780,Q781,782 Q783,784
INVERTER ON/OFF
CONTROL SWITCH
INV CNT
IC801
VIDEO CHROMA & LCD I/F
R OUT
24
G OUT
AMP
19
B OUT
14
CONTRAST/
INT/EXT
BRIGHT/
SW
GAMMA
COMMON
POL
VOLTAGE
56 38 15 36 26
IC931
Q802
VCOM CONTROL
BUFF
6
FLICKER 3
55 61 62
2
3
4
5
6
7
8
IC901
9
10
11
+5V
56
HD
-13V
58 VD
+3.3V
+17V
CY-VHD9401U TFT
CN710
1
BACK
LIGHT
2
CN802
3 R
4 G
5 B
HD 6 HD
VD 7 VD
SCL
8 I2C SCL
9 I2C SDA
SDA
2 V COM
CN905
27 RED
26 GREEN
25 BLU
1 30 V COM
9 CPV
12 OEV3
11 OEV2
10 OEV1
13 STV2
24 OEH
29 STH1
19 CLK3
20 CLK2
21 CLK1
16 VEE
5 VSS
18 RL
3 VDD
1 V GON