Panasonic PT-VW431DU / PT-VW431DE / PT-VW431DEA (serv.man2) Service Manual ▷ View online
-65-
Electrical Adjustments
Group/
Item
Item Name
Function
Initial
Range
Note
8 VSBEG
2
0 ~ 15
Group
981
Color Shading Adj Offset
0 R-Max
128
0 - 255
1 R-Mid1
128
0 - 255
2 R-Mid2
128
0 - 255
3 R-Min
128
0 - 255
4 G-Max
128
0 - 255
5 G-Mid1
128
0 - 255
6 G-Mid2
128
0 - 255
7 G-Min
128
0 - 255
8 B-Max
128
0 - 255
9 B-Mid1
128
0 - 255
10 B-Mid2
128
0 - 255
11 B-Min
-66-
Chassis Block Diagrams
WIRE LAN RJ-45
IC801
FLASH MEMO
RY
LAMP
ID
LC
D
Pa
ne
l
( G )
LC
D
Pa
nel
( B )
LC
D
Pa
nel
( R )
PO
WER UNIT
S16.5V 4.1A
S6V 3.2A
S-7V 0.2A
LAMP
BALLAST
LAMP
IC
561
S&H
<PW190>
IC301 SCALER
IC3850
G-SENSOR
IC501
DIGITAL GAMMA
CORRECTION
EEPROM
SENSOR (3)
COMPUTER 1 AUDIO IN
COMPUTER 2 AUDIO IN/MIC
POWER KEY
R/C UNIT
KEY1/KEY2
LED
IC9885 SUB CPU
13
3
12
13
10,
11
19,23
1
3
20
23
HS
VS
LIRAO_P
PW_MASTER _SDI/SCK
PIC_LAMP_LED/ PIC_READY_LED/ PIC_POWER_LED
RS232C
AU
DI
O
IC5001
Co
nt
ro
l
IC001 AU
DI
O
AMP
S-VIDEO
PC2 IN MONITOR OUT
PC1 IN RGB/YCbCr SCART
VIDEO
HDMI
IC8301
VIDEO AUDIO IN
HDMI_AUDIO
IC4001 IC4701 SW Buffer
PW_MASTER _SDO
IC1051 EDID
IC5301 74LVC14A BUFFER
IRIS
IC8511 FLASH
IC8801 PIC32MX695F
IC5002 Audio Select
IC8001 HDMI
RECEIVER
IC8509
H7019NLT RECEIVER
IC3801
RS-232C DRIVER
IC3802/3803/380
4
SWITCH
7,9
10
23
IC5003
AUDIO OUT
IC5003
LIRAO_N
L2RBO_P L2RBO_N
L2RCO_P L2RCO_N
L2RDO_P L2RDO_N
LICKO_P LICKO_N
IC531 DDR
MDQ[0-15]
MA[0-12]
TX[A-J]_N
TX[A-J]_P
TXCK[1-2]_N
TXCK[1-2]_P
VCOM_G
PSIG_G
VSIG_R [1-12]
VCOM_R
PSIG_R
VSIG_B[1-12]
VCOM_B
PSIG_B
DCK[1-4]/HCK 1,2/HS
T
VSIG[1-12]
IC7801 DAC
5VSTB 50mA
SDAO_5V
SCLO_5V
IC7851
FA
N_CONT_A
FA
N_CONT_D
IC7861
IC7881
FA
N_ CONT_F
FA
N _CONT_G
IC7891
FA
N _CONT_B
FA
N_CONT_C
IC781
1
IC7871
FA
N _CONT_E
FN 901
FN 906
FN 907
FN 909
FN 910
FN 902
FN 903
FN 904
FN 905
FN 908
SDA_MIC SCL_MIC
SCL1 SDA1
SCL0
SDA0
SCL2
SDA2
GAMMA
PIC_TEMP_LED
X401 XT
AL
A_[1-22]
D_[0-15]
IC8506 VS100R
X
184,98,191
12,21,22,16
IC9882 BUFFER
IC1802 I/O EXPANDER
Chassis over view
-67-
Chassis Block Diagrams
IC7801
POWER
LAMP BALLAST
AUDIO AM
P
IC001
TP
A3111D1
IC5001
AUDI
O
-C
ON
TO
L
<TL
V320AIC3105>
R/C RECEIVER
POWER SUPPL
Y
P.F
. C
ONTROL
SP901 SPEAKER
LAN
MUTE
LAMP_DC_ON
R/C UNIT
MAIN
IC9882
INVERTER
<TC7WH14FU>
3
4
ON:H
Po
wer ON:H
POWER_SW
Po
wer ON:H
P.F
ail:L
8
6
2
1
1
Mute On:H
Mute On:H
Po
wer On:L
L/R
VOL
UME
LAMP_SCI
FAN_ERR
PIC_TEMP_LED
P_F
AIL
215
FAN-SW2
420
FAN-SW3
349
FAN_SW1
190
Po
wer On:H
LAMP_DC_ON
89
CHO_T
XD
CHO_RXD
MUTE
KEY1
344
28
KEY2
126
POW_KE
Y
R/C_PW
SCL1/SD
A1
188
214
RXD_PW
368
12
10
TXD_PW
124
211,294
SCL2/SD
A2
290,208
SCL0/SD
A0
293,212
FAN_C
O
T_A
373
FAN_C
O
T_B
30
IC301
SCALER
D6835
Q5035
ON:H
D6831
D6833
Q6846
LAMP REPL
AC
E
TEMP
W
ARNING
POWER
IC9886
K8R
K6R
K8S
K8H
4
5
1
K8D
K29D
A2901
8
FA
N
CONTROL CIRCUIT
KEY SWIT
CH
SCL_MIC
2
1
K8F
1 3
FAN_C
OT_C
128
PW_MASTER_SDO
96
PIC_LAMP_LED
PIC_READ
Y_LED
PIC_POWER_LED
PW_MASTER_SDI
189
19
20
8, 9
22
21
12
15
5
23
PW_MASTER_SCK
97
7
9
10
IC9885 SUB CPU
<MB95F353EPFT
>
PIC_T
XD
295
PIC_RXD
26
31
32
IC8801
PIC32MX695F
IC3801 RS-232C DRIVE
RJ-45
R/C
POWER_KE
Y
POWER_SW
S3.3V_MCU
2
1
IC3802
SERIAL_T
XD
SW901 LAMP COVER SWIT
CH
IC3804
IC3803
IC3802
IC8509
H7019NL
T
11
SD
A_MIC
AV
BO
ARD
16
FAN_C
ONF_G
FAN_C
ONF_F
FAN_C
ONF_E
FAN_C
ONF_D
SC
LO
_5V
SD
AO_5V
IC8506
VS100R
X
IC1802
I/O EXP
ANDED
IC8511
25L
C1024T
System control
-68-
Chassis Block Diagrams
IC301 SCALER <PW190>
IC9885 SUB CPU
<MB95F353EPFT>
LAMP LP900
AC
SW902
THERMAL FUSE
AC
1st
FI
LT
ER
A901 LAMP BALLAST
SW901
LAMP
CO
VER-SW
89
2
1
2
4
5
1
K8R
K6R
K8H
K8S
POWER-
ON:H
MAIN
POWER
Po
we
r
Contro
l
79
10
IC9886
1
4
2
FAN_ERR
PW_MASTER_SDO
PW_MASTER_SDI
PW_MASTER_SCK
LAMP_DC_ON
96
189
97
CHO_
TX
D
AC
2nd
FI
LT
ER
Bu
er
IC3803
Bu
er
IC3802
19
Bu
er
IC3804
20
LAMP_SCI
11
CHO_RXD
POWER_SW
5
2
Lamp control
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