Panasonic TX-PR50U10 Service Manual ▷ View online
33
9.2.3.
1080i white balance adjustment
Name of measuring instrument
Connection
Remarks
1080i W/ B pattern
Color analyzer
(Minolta CA-100 or equivalent)
Color analyzer
(Minolta CA-100 or equivalent)
Component input
Panel surface
Panel surface
Steps
Remarks
• Make sure the front panel to be used on the final set is fitted.
• Make sure a color signal is not being shown before adjustment.
• Put the color analyzer where there is little colour variation.
• Make sure a color signal is not being shown before adjustment.
• Put the color analyzer where there is little colour variation.
Picture menu : Dynamic
ASPECT : 16:9
Adjustment
Remarks
1. Display the white balance pattern.
2. Enter the service adjustment mode.
3. A number key [ 1 ] or [ 2 ] are operated and [ WB-ADJ ] is displayed.
2. Enter the service adjustment mode.
3. A number key [ 1 ] or [ 2 ] are operated and [ WB-ADJ ] is displayed.
Check that the color balance is [ COOL ].
4. Select [ G-CUTOFF ] item, using the number-key [ 3 ] or [ 4 ], and set to [ 80 ], using the
volume-key [ + ] or [ - ].
Also, [ B-CUTOFF ] and [ R-CUTOFF ] set to [ 80 ]
Also, [ B-CUTOFF ] and [ R-CUTOFF ] set to [ 80 ]
5. Set [ G-DRIVE ] at [ E0 ](37 inch / 42 inch), [ D0 ](50 inch).
6. Touch the signal receiver of color analyzer to the highlight window's center, and adjust B
6. Touch the signal receiver of color analyzer to the highlight window's center, and adjust B
drive and R drive so x, y become the [ COLOR TEMP COOL ] in the below table.
7. All RGB drive increase so that the maximum drive value of RGB may become [ FC ].
([ ALL-DRIVE ] set to [ FC ].)
8. Set colorbalance to [ NORMAL ] using [ 7 ] key.
9. Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [ 80 ].
9. Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [ 80 ].
10. Fix G drive at [ E0 ] (37 inch / 42inch), [ D0 ] (50 inch).
11. Adjust B-DRIVE and R-DRIVE so the highlight window’s x, y become the [ COLOR TEMP
NORMAL ] in the below table.
12. All RGB drive increase so that the maximum drive value of RGB may become [ FC ].
([ ALL-DRIVE ] set to [ FC ].)
13. Set colorbalance to [ WARM ] using [ 7 ] key.
14. Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [ 80 ].
15. Fix G drive at [ E0 ] (37 inch / 42 inch), [ D0 ] (50 inch).
16. Adjust B-DRIVE and R-DRIVE so the highlight window’s x, y become the [ COLOR TEMP
14. Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [ 80 ].
15. Fix G drive at [ E0 ] (37 inch / 42 inch), [ D0 ] (50 inch).
16. Adjust B-DRIVE and R-DRIVE so the highlight window’s x, y become the [ COLOR TEMP
WARM ] in the below table.
17. All RGB drive increase so that the maximum drive value of RGB may become [ FC ].
([ ALL-DRIVE ] set to [ FC ].)
Highlight section Signal amplitude 75% Value is
Hex.
Hex.
34
35
10 Block Diagram
10.1. Main Block Diagram
COLD
(LED:4TIME)
(LED:7TIMES)
HOT
(LED:8TIME)
(LED:6TIMES)
(LED:10TIMES)
(LED:10 TIMES)
(LED:2 TIMES)
(LED:7 TIMES)
(LED:5 TIMES)
(LED:4 TIMES)
(LED:10TIMES)
(LED:8 TIMES)
(LED:12 TIMES)
(LED:6 TIMES)
(LED:3 TIMES)
KEYSCAN1
RECTIFIER
C26
DATA
DRIVER
DRIVER
SC42
POWER SUPPLY
+3.3/5V(P)
C1
Vda
Vda
SCAN
DRIVER
DRIVER
PS SOS4
DATA
DRIVER
DRIVER
MAIN SW1
P35
POWER
FACTOR
CONTROL
FACTOR
CONTROL
VIDEO DATA
A32
SCAN OUT (LOWER)
C21
+15V(P)
SOS7_SC2
C36
SC46
RECTIFIER
SC-BOARD
FLOTING PART
SOS DETECT
FLOTING PART
SOS DETECT
SC20
SD
+15V(P)
P34
SD42
SOS8_SS
SUSTAIN CONTROL
DATA
DRIVER
DRIVER
DATA DRIVER (RIGHT)
C2
P2
F15V
CONNECTOR
DATA DRIVER (LEFT)
VIDEO DATA
C24
ON/OFF CONTROL
SC2
P-BOARD
SOS DETECT
SOS DETECT
DATA
DRIVER
DRIVER
SD46
SU
SS21
KEY SWITCH
POWER SW
SOUND15V
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
SS2
VSUS
VE GEN.
SCAN CONTROL
SUSTAIN
SCAN DRIVE
ENERGY RECOVERY
VIDEO DATA
VSUS
SS33
+5V(P)
SCAN OUT (UPPER)
VSUS
VSCAN GEN.
VIDEO DATA
(LOWER)
VSET GEN.
MAIN SW1
VAD GEN.
SD11
AC CORD
VSUS
SUSTAIN CONTROL
GK
SCAN
DRIVER
DRIVER
SS24
F15V
SS-BOARD
SOS DETECT
SOS DETECT
POWER MICOM
SS11
ON
SU41
SC41
+5V(P)
DATA
DRIVER
DRIVER
STB5V
RELAY
A25
+15V(P)
Vda
P
STB5V
POWER SWITCH
SUSTAIN
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
+3.3V(P)
MAIN SW2
SC
+5V(P)
P7
PROCESS
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
VSUS GEN.
SUSTAIN DRIVE
SOS8_SS
KEY SWITCH
SS
P25
+3.3V(P)
DATA
DRIVER
DRIVER
Vda
DATA
DRIVER
DRIVER
Vda
SC-BOARD
ENEGRY RECOVERY
SOS DETECT
ENEGRY RECOVERY
SOS DETECT
+15V(P)
A31
SOS8_SS
S1
SOS6_SC1
DATA
DRIVER
DRIVER
KEYSCAN1
S
KEYSCAN1
C10
+5V(P)
MAIN SW2
C3
DATA
DRIVER
DRIVER
P6
+3.3/5V(P)
C20
DATA
DRIVER
DRIVER
BUFFER
C33
DATA DRIVER (CENTER)
C31
P11
GK1
DATA
DRIVER
DRIVER
VIDEO DATA
STANBY
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
C35
VSUS
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
P9
+5V(P)
SUSTAIN CONTROL
+15V(P)
CONTROL
PULSE
PULSE
SU11
+5V(S)
R/G_LED_ON
LVDS Rx
+5V(STB)
PANEL SIDE SOS
A1
KEY1
RESET
+3.3V(STB)
SUSTAIN
CONTROL
CONTROL
+15V(SOUND)
SOS8_SS
PANEL_STATUS
L,R
(MAIN MPU+VIDEO PROCESSOR)
SD CARD
+3.3V(M)
SOUND SOS DET
DIGITAL
AUDIO
AUDIO
PANEL MPU
SPEAKER
(L,R)
(L,R)
AV1
AV2
AV2
BT30V
AUDIO AMP
REMOTE
SUB5V
+3.3V(P)
PANEL_STB_ON
Tuner
DIGITAL SIGNAL PROCESSOR
+9V(S)
Temp
sensor
sensor
IECOUT
+3.3/5V(P)
A7
CVBS OUT
RESET
AV3
+5V(S)
SBO2
SBI2
SBI2
POWER_SOS
A
DDR
L,R OUT
Y,PB,PR
L,R
DISCHARGE
CONTROL
CONTROL
SERIAL
SCAN CONTROL
L,R
OPT OUT
LVDS
EEPROM
TUNER SOS
+3.3V(P) DET
EEPROM
SOS7_SC2
Y,C,V
SOS8_SS
SUB+5V SENSE
+15V(P) DET
+3.3V(S)
HEADPHONE
+5V(P)
SHORT SOS DET
EEPROM
FLASH
MEMORY
MEMORY
+3.3V(P)
IIC1
+5V(P) DET
VIDEO
PROCESSOR
HDMI Rx
AUDIO
PROCESSOR
PROCESSOR
HDMI Rx
AUDIO
PROCESSOR
TUNER SOS
COMP
SUB9V
PD3H
Digital Video in
SOS6_SC1
CPG with SS
TUNER SOS DET
CIRCUIT
CIRCUIT
STANDBY MPU
SD BOOT
REMOTE
MAIN Y/U/V
DAUDIO
SUB+5V SENSE
LED/RMT
PCI BUS I/F
SOUND SOS
LAN
+9V(S)
+30V(BT)
DMIX0
EEPROM
HP L/R
VIDEO
AUDIO
SWITCH
AUDIO
SWITCH
F15V
AUDIO
OUT
OUT
RESET
K1
Peaks AVC
SOUND+15V
ETHERNET
CONTROL
CONTROL
+5V(P)
MAIN+3.3V SENSE
Sub Filed Processor
Plasma AI
+15V(P)
Y,C,V
RF
SOS
+3.3V(STB)
DTV+9V SENSE
MONITOR L,R
PWM
MONITOR L,R
SD CARD I/F
TV L,R
+9V(M)
+15V(P)
DDR2
POWER SOS
+15V(P)
K
SIF,AM
H/V Sync Control
A11
A12
A12
MAIN+9V SENSE
XRST
+5V(P)
MAIN ON/OFF
A20
CLOCK GEN
AV L,R
+15V(F)
HDMI
1,2
1,2
LED
COLD
(LED:4TIME)
(LED:7TIMES)
HOT
(LED:8TIME)
(LED:6TIMES)
(LED:10TIMES)
(LED:10 TIMES)
(LED:2 TIMES)
(LED:7 TIMES)
(LED:5 TIMES)
(LED:4 TIMES)
(LED:10TIMES)
(LED:8 TIMES)
(LED:12 TIMES)
(LED:6 TIMES)
(LED:3 TIMES)
36
10.2. Block (1/4) Diagram
(+5.6V)
(LED:10 TIMES)
(LED:12 TIMES)
D2014
D2017
F15V
MAIN9V
D5621
SUB5V
SUB3.3V
SUB1.8V
S_15V
BT30V
SUB5V
SUB3.3V
D5622
STB3.3V
SUB1.8V
SUB1.2V
SUB3.3V
D5612
SUB9V
STB5V
F+15V
IC5600
14
HDMI2
SPDIN IN
LVDS OUT
AV3
A12
IIC1
STB
+3.3V
+3.3V
HDMI1
AV1_V
+3.3V
IC5401
Q5606,07
3
10
DDC IIC
TUNER_SUB_ON
PB
L,R(MONITOR)
AV2_RIN
SHORT SOS DET
L,ROUT
AV1
SOS:Low
SOUND SOS
AV1
JK3107A
HDMI2
12
TEMP SENSOR
STB5V
JK4500
AV1_ROUT
JK3002
TU2901
SIF,AM
+5V
SPEAKER L
FLASH
MEMORY
MEMORY
RESET
TV
AV1_LOUT
+1.8V
AV2_LOUT
ROUT
IC4512
AV2_BLUE
CEC
1
IC5470
L,R(AV)
OVER
CURRENT
PROTECT
CURRENT
PROTECT
IC1000
+3.3V
IIC2
IC8004
IC4510
15
STB3.3V
+9V
HDMI2 5V DET
CEC
AV2_ROUT
IC8001
JK4501
SD BOOT
+1.2V
AV2
Dig/Ana
Tuner
Tuner
DAUDIO
+15V_S
V,Y,C
RF
+1.2V
AV3_R
DDCB IIC
AV1_BLUE
SUB+9V
AV1_VOUT
SUB+6V
Peaks AVC
IC2960
XRST
IC4513
R(+)
IC8002,03
DMIX0
R(-)
+1.8V
F+15V
IIC3
L(-)
AV3_Y
DDCC IIC
IIC1
EEPROM
IIC2
L,R
XRST
+15V_S
+3.3V
Y,PB,PR
HP_R
+1.8V
17
+9V
AV1_RED
LIN
MAIN
2
DDC IIC
AV2_RED_C
IIC1
ECO_ON
JK3100A
STB_RESET
AUDIO
IN/OUT
IN/OUT
IC2008
BT+30V
STB RST
SBI2,SBO2
MAIN Y/U/V
AV2
V,Y,C,R,G,B
VIDEO PROCESSOR/
HDMI Rx/AUDIO PROCESSOR
HDMI Rx/AUDIO PROCESSOR
IIC2
AV1_RIN
L,R(TV)
DIGTAL VIDEO OUT
AV2_V_Y
JK8302
V,R,G,B
+3.3V
AV1_VOUT
RIN
CLOCK GEN
AV3_L
+15V
HEADPHONE
TMDS
+1.8V
IC2301
L,R
SUB+5V
A7
AV3_V
3
Q5608
DTV+9V
MONITOR L,R
1
IC5480
13
STB_RST
+5V
DDR2 SDRAM
+6V
TUNER+5V
COMP
IC2802
1
AV3_C
F+15V
AUDIO AMP
SOS
(MAIN MPU+VIDEO SIGNAL PROCESSOR)
AV SW
+5V
SD CARD I/F
L(+)
AV2_LIN
+3.3V
P6,P7
CLOCK
5
AV2_VOUT
IC5601
A11
BT+30V
AV1_GREEN
HDMI1
+3.3V
+5V
IC3001
IIC0
HP OUT
Q2022
YPBPR
+1.8V
SPEAKER R
AV2_VOUT
SP OUT
SUB+5V
DISPEN
L,R(AV IN)
IC8502
SD CARD SLOT
L,R
JK3003
RF
AV1_L,ROUT
+15V_S
IIC_TUNER
L,R
HP_L
SDIN2
SUB+6V
AV2_GREEN
IC3003
HDMI1 5V DET
IC4511
LOUT
AV2_L,ROUT
AVSW+5V
SOS DET
AV1_LIN
Y
PR
L,R(TV OUT)
SIF,AM
TMDS
CVBS/S/YUV
/RGB(PC)
/RGB(PC)
SDIN0
+1.8V
AV3
IECOUT
IC8580
8
1
6
3
9
2
5
7
PCI BUS I/F
LAN
JK8301
IC8503
ETHERNET
CONTROL
CONTROL
IC8504
EEPROM
XRST
DIGITAL SOUND OUT
DIGITAL
AUDIO OUT
AUDIO OUT
D3015
(+5.6V)
(LED:10 TIMES)
(LED:12 TIMES)
DIGITAL SIGNAL PROCESSOR
A
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