Panasonic TX-P37C2B / TX-P37C2E / TX-PR37C2 Service Manual ▷ View online
33
10.1.3. White balance adjustment
Name of measuring instrument
Connection
Remarks
W/ B pattern
Color analyzer
(Minolta CA-100 or equivalent)
Color analyzer
(Minolta CA-100 or equivalent)
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
ASPECT : 16:9
Adjustment
Remarks
1. Enter the service mode menu.
Please receive the external signal. Or, please select CVBS/YUV (no sync).
2. A number key [1] or [2] are operated and [WB-ADJ] is displayed.
Check that the color balance is [ COOL ].
3. A number key [0] is operated and select [METHOD].
4. A number key [5] is operated and [INNER PATTERN] is displayed.
4. A number key [5] is operated and [INNER PATTERN] is displayed.
5. Select [G-CUTOFF] item, using the number-key [3] or [4], and set to [80], using the vol-
ume-key [+] or [-].
Also, [B-CUTOFF] and [R-CUTOFF] set to [80]
Also, [B-CUTOFF] and [R-CUTOFF] set to [80]
6. Set [G-DRIVE] at [D0].
7. Touch the signal receiver of color analyzer to the INNER PATTERN's center, and adjust B
7. Touch the signal receiver of color analyzer to the INNER PATTERN's center, and adjust B
drive and R drive so x, y become the [COLOR TEMP COOL] in the below table1.
8. All RGB drive increase so that the maximum drive value of RGB may become [FF].
([ALL-DRIVE] set to [FF].)
9. Set color balance to [NORMAL] using [7] key.
10. Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [80].
11. Set [G-DRIVE] at [D0].
12. Adjust B-DRIVE and R-DRIVE so the INNER PATTERN’s x, y become the [COLOR
TEMP NORMAL] in the below table1.
13. All RGB drive increase so that the maximum drive value of RGB may become [FF].
([ALL-DRIVE] set to [FF].)
14. Set color balance to [WARM] using [7] key.
15. Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [80].
16. Set [G-DRIVE] at [D0].
17. Adjust B-DRIVE and R-DRIVE so the INNER PATTERN’s x, y become the [COLOR
15. Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [80].
16. Set [G-DRIVE] at [D0].
17. Adjust B-DRIVE and R-DRIVE so the INNER PATTERN’s x, y become the [COLOR
TEMP WARM] in the below table1.
18. All RGB drive increase so that the maximum drive value of RGB may become [FF].
([ALL-DRIVE] set to [FF].)
METHOD=01
copy adjustments
copy adjustments
34
35
11 Block Diagram
11.1. Main Block Diagram
(LED:8TIME)
(LED:4TIME)
(LED:6TIMES)
(LED:7TIMES)
COLD
HOT
C21
SUSTAIN CONTROL
SOS8_SS
C1
C11
SUSTAIN DRIVE
SOS7_SC2
VSUS
SUSTAIN
VOLTAGE
RECTIFIER
VIDEO DATA
POWER
FACTOR
CONTROL
P9
VSUS
ENERGY RECOVERY
RECTIFIER
SS-BOARD
SOS DETECT
VIDEO DATA
SC-BOARD
FLOATING PART
SOS DETECT
SOUND15V
SM42B
C25
Vda
SUSTAIN CONTROL
SC-BOARD
ENERGY RECOVERY
SOS DETECT
P11
STB5V
SM
ON/OFF CONTROL
P+15V
SC2
P+3.3V,P+5V
C10
DATA
DRIVER
AC CORD
SOS6_SC1
P2
Vda
P+5V
DATA
DRIVER
DATA
DRIVER
F15V
SS23
SS11
SC
RECTIFIER
VIDEO DATA
SCAN OUT
CONTROL
PULSE
PULSE
SOS8_SS
Vda
P+15V
P+5V
BUFFER
STB5V
PROCESS
VOLTAGE
RECTIFIER
VE GEN.
VSUS
P+3.3V
STANDBY
VOLTAGE
RECTIFIER
VSUS
P-BOARD
SOS DETECT
P6
P35
P34
DATA DRIVER (RIGHT)
VIDEO DATA
Vda
P+3.3V
SC20
DATA
DRIVER
SCAN DRIVE
POWER MICOM
SCAN
DRIVER
P+15V
VIDEO DATA
RELAY
DATA
DRIVER
P
DATA
DRIVER
F15V
SC46
P+3.3V
C2
VSCAN GEN.
P+5V
DATA
DRIVER
DATA
DRIVER
Vda
SCAN CONTROL
C23
PS SOS4
SUSTAIN CONTROL
SM46B
C20
VAD GEN.
POWER SUPPLY
VSUS GEN.
SCAN
DRIVER
SC42
VSUS
P+15V
DATA DRIVER (LEFT)
P+5V
SS
P7
SOS8_SS
P+5V
P+15V
(LED:8TIME)
(LED:4TIME)
(LED:6TIMES)
(LED:7TIMES)
COLD
HOT
MAIN SW1
MAIN SW2
S1B
ON
POWER SWITCH
MAIN SW2
POWER SW
MAIN SW1
S
(LED:12TIMES)
(LED:12TIMES)
(LED:6TIMES)
(LED:5TIMES)
(LED:3TIMES)
(LED:8TIMES)
(LED:7TIMES)
(LED:4TIMES)
AV IN I/F
R
NAND
FLASH
EEPROM
A32
VIDEO
DATA
L/R
DCDC
AUDIO
CI ASIC
VDAC OUT
DVB_RF
PWM L/R
PWM L/R
RGB_CVBS
A20
A6
STB1.2V
P+15V
+5V(P)
P+3.3V
SOUND SOS
VIDEO DATA
SOUND SOS DET
CIRCUIT
A7
F15V
STB5V
SOUND15V
STB5V_M
P+5V
P+1.2V
P+1.2V
OPTICAL
SOS6_SC1
LVDS DATA
P+15V
SUB+3.3V DET
P+3.3V
K1
A31
SUSTAIN
CONTROL
REMOTE RECEIVER
SUB9V
P+5V
SUB9V
DCDC
DCDC
TUNER
RECEIVER
+15V(P)
AMP
HDMI1-2
SPEAKER(L)
CONT.
SOS6_SC1
A11
SUB1.8V
CI SLOT
STB3.3V
SD CARD DATA
SUB5V
P+3.3V
SUB3.3V
P+3.3V DET
DCDC
P+5V
HP L/R
POWER SOS
HEAD_
PHONE
K
SD CARD IF
IFD_OUT
SOS8_SS
OPTICAL AUDIO OUT
Parallel_
TS(FE)
PLASMA AI
CPG with SS
H/V Sync Control
Sub Filed Processor
Plasma AI
Parallel_
TS
P+3.3V
SCAN CONTROL
REMOTE RECEIVER
P+5V
Parallel_
TS(CI)
REMOTE IN
DCDC
TS I/F
HDMI I/F
P+5V DET
STB5V
SOS7_SC2
CPU BUS
EEPROM
SUB5.6V
STB3.3V
SUB1.2V
STB3.3V
PEAKS-sLD
F15V
V
L
MON_L/R
SD CARD
TV_L/R
OUT
AUDIO
SLOT
MON_L/R
TV_L/R
PD4
Y/PR/PB
HP_L/R
HP_L/R
POWER LED
LED_R/G
CPU BUS
I/F
A1
PANEL MAIN ON
SUB3.3V
SUB+5V DET
DIGITAL SIGNAL PROCESSOR
ANALOG-ASIC
SUB+9V DET
SUB9V
SUB5V
SOS7_SC2
KEY SWITCH
P+5V
LED_R/G
SUB9V
SPEAKER(R)
SOS4_PS
KEYSCAN1
STB_D3.3V
AUDIO
STB_D3.3V
PANEL
MAIN ON
LVDS DATA
PANEL SOS
SUB1.2V
SUB5V
PANEL SOS
SUB3.3V
SIF_OUT
DCDC
SOS8_SS
SIF I/F
SUB5.6V
TMDS DATA
MPU
OUT I/F
AM
ANALOG
A
OPTICAL OUT
OFDM
CI TS
SUB1.8V
DCDC
AV SW
DCDC
(LED:12TIMES)
(LED:12TIMES)
(LED:6TIMES)
(LED:5TIMES)
(LED:3TIMES)
(LED:8TIMES)
(LED:7TIMES)
(LED:4TIMES)
AV1
V OUT
V/R/G/B
V
L/R
L/R OUT
L/R
COMP
AV2
Y/PB/PR
(LED:9TIMES) DCC SOS
(LED:9TIMES)
ENERGY
RECOVERY
COIL
RECOVERY
COIL
SS3
MID
SC3
36
11.2. Block (1/4) Diagram
(LED:3TIMES)
(LED:5TIMES)
(LED:10TIMES)
(LED:12TIMES)
P
Q5603
D5602
Q5602
SOUND15V
SUB3.3V
SUB9V
STB5V
P+15V
SUB5V
SUB3.3V
SUB9V
STB5V
SOUND15V
P+3.3V
P+5V
SUB3.3V
F15V
SUB1.8V
SUB1.2V
P+15V
D5471
Q5471
D5472
STB3.3V
STB3.3V
P+15V
STB1.2V
FE1.2V
STB3.3V
SUB3.3V
SUB5V
F15V
X8001
X8000
D2014
SUB5.6V
SUB5.6V
SUB3.3V
PEAKS-sLD
F15V
LVDS DATA
3
7
F15V
2
SOUND15V
SD DATA:4bit
8
SD CARD I/F
SD CARD
JK8850
9
F15V
1
SOUND15V
P+15V
AV1
AV2
AV2
COMP
COMP
Y/PB/PR
F15V DET
ON/OFF
Y/PR/PB
L/R
IC3000
AV SW
ANT IN
TV_V
IIC_TU
TU2901A
TUNER
5V
VIDEO
AUDIO
AM
L/R
V
TV
A6
P6
SYS_IIC0
L(+)
OPTICAL
SPEAKER_R
IC2301
AUDIO
L_OUT
OPTICAL AUDIO OUT
SPEAKER_L
1
2
R(-)
L(-)
SPEAKER
15V
SPEAKER
R(+)
A11
AUDIO AMP
4
D3300
R_OUT
3
OUT
SOUND
SOS
DET
Q2301
PWM L/R
PWM L/R
SOS
JK4700
5VDET_1
HDMI_CEC
5VDET_0
HDMI_CEC
ARC
+5V
DDC_IIC0
RX0
RX1
DDC_IIC1
HDMI IN 1
TMDS DATA CLOCK
+5V
TMDS DATA CLOCK
DDC IIC
DDC IIC
HDMI_CEC_
IN_OUT
EEPROM
NAND
FLASH
CPU BUS I/F
IIC_IF
+5V
SUB5V
+3.3V
+1.2V
SUB1.2V
IC5600
+1.8V
SUB3.3V
IC5601
SUB1.8V
IC5401
9V
5V
9V
SUB1.2V
SUB1.8V
3.3V
SUB_SD_3.3V
AVDDH3.3V
AVDD3.3V
IC8921
AVDDH
IC5604
AVDD
IC5603
MAIN
Y/PR/PB
L/R
OSD I/F
IIC2
IIC0
IIC0
IIC1
IIC1
IIC2
IIC2
VCC
IC8001
SPDIF
LVDS_OUT
AV I/F
HDMI I/F RECEIVER
DIGITAL SIGNAL PROCESSOR
A
1
6
7
8
5
V/R/G/B
L/R
DTV_RST
DTV_XRST
TV SUB ON
KEYSCAN1
KEYSCAN1
REMOTE IN
PANEL SOS
XRST_SYS_PD4
POWER LED(R)
XRST_SYS_PD4
STB_RST
STB_RST
POWER LED(R)
REMOTE IN
PANEL MAIN ON
PANEL MAIN ON
SUB3.3V DET
SUB9V DET
SUB5V DET
TV SUB ON
PANEL SOS
P+5V DET
P+3.3V DET
GENX
IIC
GENX
IIC
EEPROM
IC1100
JK8940
CI SLOT
IC8401
CI ASIC
P7
STB5V_SW_ON
7
8
3
4
5
P_S0
PANEL_MAIN_ON
P_S1
SOS4_PS
STB5V
1
TV_SUB_ON
P_S0
P_S1
9
SOS4_PS
A7
TV_SUB_ON
STB5V_SW_ON
PANEL_MAIN_ON
IFD_OUT1
DIGITAL
DEMODULATOR
IC8300
IF_AGC
IIC_TU
IIC2
IC8302
OFDM
2.5V
IFD1
IF_AGC
IFD_OUT2
SIF_OUT
IFD2
IC8400
CI TS
CONT.
CONT.
SIF I/F
TS I/F
NRST
XRST
SUB3.3V
V
L/R
LO2_L/R
HP_L/R
LO1_L/R
MON_L/R
TV_L/R
AV1_VOUT
AV1_L/ROUT
AUDIO
ANALOG
CPU BUS
Parallel_TS(FE)
Parallel_TS
Parallel_TS(CI_IN)
Parallel_TS(CI_OUT)
5V_CI
IC8402
IC8950
SOUND SOS
TV_SUB_ON
TNR5V
IC2953
SUB5V
SUB5V
ERROR DET
SUB9V
SUB5.6V
VOLTAGE
DROP
DROP
SUB9V
+5.6V
IC2870
SUB5.6V
SOS
SOS
SOS
MPU(GenX)
STB1.2V
STB3.3V
IC2950
1.2V
1.2V
TNR3.3V
3.3V
SUB5.6V
3
4
10
11
IC1000
TEMP SENSOR
IIC2
POWER_DET
SW_OFF_DET
POWER_DET
SW_OFF_DET
AV1_BLUE
AV1_VOUT
RIN
AV1_RIN
HP_R
AV1_LIN
PR
YPBPR
V
AV1_GREEN
PB
AV1_ROUT
JK3302A
Y
AV1_QLINK
JK3100C
LIN
AV1
AV1_LOUT
AV1_VIN
AUDIO
IN
AV1_RED
HP_L
JK3107A
HEADPHONE
QLINK1
V
V
RGB_CVBS
ANALOG
OUT I/F
CVBS
IN1
VDAC OUT
DVB_RF
12MHz
OSCX0
OSCXI
24.576MHz
AXO
AXI
AUDIO I/F
+5V
IC3001
G LED ON
G LED ON
CI POWER ON
CI POWER ON
CI POWER ON
P ON/OFF
P ON/OFF
TNR5V
TV_SUB_ON
TNR3.3V
IC2952
CI I/F
CI DATA
2
9
IIC1
(LED:3TIMES)
(LED:5TIMES)
(LED:10TIMES)
(LED:12TIMES)
V
ARC_OFF
JK4701
HDMI IN 2
Q4512
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