Panasonic TX-PR42UT30 Service Manual ▷ View online
33
10 Block Diagram
10.1. Main Block Diagram
COLD
HOT
(LED:8TIMES)
(LED:6TIMES)
(LED:4TIMES)
(LED:7TIMES)
(LED:3TIMES)
(LED:5TIMES)
(LED:12TIMES)
(LED:6TIMES)
(LED:7TIMES)
(LED:4TIMES)
(LED:10TIMES)
(LED:9TIMES)
(LED:8TIMES)
(LED:12TIMES)
(LED:10TIMES)
P
P
P
PUSH
DATA
DRIVER
ON/OFF CONTROL
RELAY
DATA
DRIVER
DATA
DRIVER
VIDEO DATA
C21
SN
SCAN
DRIVER
SOS8_SS
DATA DRIVER (LEFT)
VSUS
SS-BOARD
SOS DETECT
VSUS
DATA
DRIVER
DATA
DRIVER
P-BOARD
SOS DETECT
VDA
SN-BOARD
ENERGY RECOVERY
SOS DETECT
SCAN DRIVE
SCAN CONTROL
P+3.3V
DATA
DRIVER
PS SOS4
F15V
STB5V
SN2
C10
DATA
DRIVER
VSUS
VIDEO DATA
P+15V
C23
VAD GEN.
P+15V
RECTIFIER
P9
DATA
DRIVER
SOS8_SS
SN20
MAIN
CONVERTER
POWER MICOM
P+5V
VSUS GEN.
F15V
SUSTAIN CONTROL
VSUS
SUSTAIN CONTROL
STANDBY
VOLTAGE
CONVERTER
P11
STB5V
P+3.3V
MAIN SW1
DATA
DRIVER
P34
DATA
DRIVER
SOUND15V
C2
POWER
FACTOR
CONTROL
SS
SOS7_SC2
P+5V
SS33
SOS8_SS
P2
VE GEN.
RECTIFIER
DATA
DRIVER
P+15V
ENERGY RECOVERY
POWER SUPPLY
SOS8_SS
P+3.3V
P+15V
DATA
DRIVER
C11
VDA
Vda
P+3.3V
DATA DRIVER (RIGHT)
VSUS
BUFFER
CONTROL
PULSE
VIDEO DATA
C1
C20
SOUND15V
Vda
SN-BOARD
FLOATING PART
SOS DETECT
P35
AC CORD
P+15V
DATA
DRIVER
DATA
DRIVER
VSCAN GEN.
P+5V
SS11
VDA
SCAN
DRIVER
DATA
DRIVER
P6
C25
VIDEO DATA
P+5V
SUSTAIN CONTROL
SUSTAIN DRIVE
SOS6_SC1
P
P+5V
DCDC
SUB3.3V
STM
EEPROM
USB5V
F15V
ETHERNET
HP L/R
LED_R/G
A32
POWER LED
OUT
K
SUB3.3V
OUT
SUB1.2V
F15V
REMOTE RECEIVER
SUB3.3V
SOUND_SOS
SIF_OUT
MAIN_SW1
COMPONENT
SOS8_SS
CPU BUS
I/F
CI SLOT
P+5V
SD CARD I/F
AUDIO
VIDEO DATA
SUB5V_SENSE
RGB_CVBS
AV2
P+5V
L/R OUT
HP_L/R
P+3.3V_DET
PANEL_SOS
AUDIO OUT
IFD_OUT
Y/PB/PR
USB5V
SOS8_SS
DCDCIN
SOUND_SOS DET
TS I/F
LVDS I/F
NAND
FLASH
V
VIDEO DATA
SOS4_PS
SPI
FLASH
SOS6_SC1
V
P+1.1V
SPEAKER(R)
SOS7_SC2
AV1
A20
STB5V
SUB1.8V
P+2.5V
ANALOG-ASIC
SUB1.8V
R
DIGITAL
P+2.5V
HEAD_
PHONE
SUB5V
LO2_L/R
SIF I/F
A11
KEY1
AMP
USB_1-2
SCAN CONTROL
REMOTE_IN
RECEIVER
L/R
DVB_CVBS
STB3.3V
SUB5V
PANEL_MAIN_ON
SD CARD
CI DATA
A1
VDDSD
18V33V
USB I/F
TUNER
HDMI1-3
VIDEO OUT
Y/PR/PB
ARC
(HDMI2)
Y/PR/PB
P+3.3V
Parallel_
TS(CI)
DCDC
P+5V_DET
V OUT
SUB3.3V
DCDC
AUDIO
DDR3 I/F
SOS7_SC2
SUB1.5V
PANEL_SOS
STB3.3V
DCDC
SUB3.3V_SENSE
CI I/F
SOS4_PS
F15V
C.A.T.S. SENSOR
C.A.T.S_SENSOR
LAN CON I/F
AV IN
TUNER_POWER_SOS
PWM
F15V
USB
LVDS DATA
SPEAKER(L)
DDR3
L/R
PEAKS
EEPROM
MAIN AV INPUT,PROCESSING
L
P+15V
A
LO2_L/R
P+5V
STB3.3V
PWM
DCDC
SUB5V
L/R
P+3.3V
P+5V
P+15V
P+3.3V
SOS6_SC1
DCDC
PANEL_MAIN_ON
A6
V/R/G/B
CI
BUFFER
A35
IECOUT
ETHERNET DATA
SUB9V
PEAKS-LDA3
A31
V
STM
P+3.3V
P+1.1V
TMDS DATA
TUNER_POWER_SOS
VDAC
STB5V
SUSTAIN
CONTROL
DCDC
L/R OUT
DIGITAL_AUDIO_OUT
L/R
HP_L/R
AUDIO
SUB5V
C.A.T.S_SENSOR
SOS_DCC
P+3.3V
L/R
SUB1.2V
A14
IR_LED_SOS
REMOTE_RECEIVER
POWER
SWITCH
IR_LR
SOUND15V
LED1-4
AV SW
TRANSMITTER
ETHERPHY
LED_R/G
ARC
(HDMI2)
SD CARD DATA
SUB1.5V
V
LO1_L/R
3D EYEWEAR
HDMI I/F
3D EYEWEAR
LP1
LO1_L/R
TRANSMITTER
V14
IR LED
DRIVER
TUNER I/F
KEY SWITCH
CPU BUS
K1
STB1.2V
COLD
HOT
(LED:8TIMES)
(LED:6TIMES)
(LED:4TIMES)
(LED:7TIMES)
(LED:3TIMES)
(LED:5TIMES)
(LED:12TIMES)
(LED:6TIMES)
(LED:7TIMES)
(LED:4TIMES)
(LED:10TIMES)
(LED:9TIMES)
(LED:8TIMES)
(LED:12TIMES)
(LED:10TIMES)
34
10.2. Block (1/4) Diagram
(LED:4TIMES)
(LED:5TIMES)
(LED :12TIMES)
(LED:10TIMES)
(LED:3TIMES)
P
P
P
PUSH
SUB5V
SUB1.2V
DCDCIN
SOUND15V
STB3.3V
STB5V
D8712
Q8709
P+15V
STB1.2V
D8713
USB5V
F15V
SUB1.5V
Q8710
VJ8709
VJ8702
X8600
SD3.3V
SUB9V
STB5V
D8711
STB5V
SUB3.3V
SUB3.3V
P+15V
SUB3.3V
STB3.3V
F15V
X8300
SUB3.3V
STB5V
SUB5V
SUB1.5V
F15V
SUB5V
SUB5V
DCDCIN
SOUND15V
SUB1.8V
P+15V
PA2005
P+3.3V
F15V
DCDCIN
D8719
VJ8699
SW2000
STB3.3V
DCDCIN
P+5V
Q8711
PA5400
D8720
D8721
LEDDRV_5V
SDVOLC
IC8403
IFD2
MAIN_SW_1
P+5V_DET
P34
V
AV1_VOUT
A35
MAIN_SW_2
3
Parallel_TS(CI_OUT)
1
3
TUNER_SUB_ON
A6
IFD_OUT2
P_S0
SOS4_PS
POWER_DET
VDAC
8
SW_OFF_DET
LAN CON I/F
DCDCEN2
Y/PB/PR
KEY1
2
L/ROUT
MAIN
JK3707
SIDE
STM
EEPROM
LO2_L/R
HEADPHONE
AV2
CI SLOT
AV2
3.3V
VIDEO OUT
3
LO1_L/R
USB5V
2
P_S1
CPU BUS
SUB5V
SUB3.3V_SENSE
1.2V
6
SOS4_PS
5
CPU BUS I/F
HP_L
TEMP SENSOR
11
A11
DVB_CVBS
VOUT
T2_
1.2V
LO1_L/R
AV1_LOUT
USB1,2
IC8100
CI_POWER_ON
IIC3
AV1_ROUT
24.576MHz
DDR3
PB
RIN
AV1_BLUE
CI DATA
DETECTION
L/R
2
TS I/F
P6
HDMI_5VDET1
IIC3
1
V
AUDIO
G_LED_ON
TUNER
STB3.3V
TMDS DATA CLOCK
IFD1
C.A.T.S_SENSOR
13
CI I/F
XRSTSTM
PANEL_MAIN_ON
SOUND SOS
AXO
PWM L/R
IC8900
AV1_RIN
XRST
HDMI_CEC_
PULL_ON
IC8200
1
SBI0
SBO0
USB5V
L/R
PANEL_MAIN_ON
SOS4_PS
+1.5V
USB1VBUS
AV SW
HDMI_CEC
PR
AV1_RED
LP1_XRSTSYS
STB1.2V
CI_POWER_ON
DDC_IIC4
OVERVOLTAGE
FE_XRST
SPEAKER_R
CI
BUFFER
6
DDC_IIC0
HP_R
15V
P_S0
P_S1
SUB1.5V
5V
IC4900
ARC_OFF
XRSTSTM
DDC_IIC1
TUNER_SUB_ON
DIGITAL AUDIO OUT
DIGITAL
AUDIO OUT
RX0
TUNER_SUB_ON
SOS4_PS
JK8600
JK4703
11
HDMI_CEC
P+3.3V_DET
IC8404
HDMI_CEC
7
TUNER_POWER_SOS
+5V
LIN
ANT IN
HDMI_ 5VDET0
V/R/G/B
JK4700
LVDS DATA
TU4801
IECOUT
COMPONENT
PANEL_SOS
HDMI IN 1
REMOTE_IN
AUDIO OUT
3
HP_L/R
JK3002
TUNER_
POWER_SOS
HDMI IN 2
POWER_DET
AUDIO IN
DRVRST
QLINK1
R(-)
SUB3.3V
IC8201
IF_AGC
9V
JK3100
STM
PEAKS-LDA3
F
IC2001
L/R
STM
IIC
SW2004
SOS
COMPONENT
USB SW
IFD_OUT1
VDDSD1.8V3.3V
SUB3.3V
G_LED_ON
AUDIO OUT
IIC1
SUB1.8V
IC8702
5
ETHERPHY
SUB1.5V
9
P+15V
V
IIC0
10
+5V
V
TUNER
I/F
AV IN
USB SW
HDMI_5VDET2
HDMI_5VDET0
SUB5V
DDC_IIC2
+5V
4
HDMI_CEC
POWER SWITCH
IC8902
TMDS DATA CLOCK
TV
IIC3
IC6750
HDMI IN 3
VOL.DN/CH.DN
7
ARC
CI_POWER_ON
SW2002
SOUND15V
+5V
VOL.UP/CH.UP
IIC3
PANEL_SOS
HDMI_ 5VDET1
AV
Y/PR/PB
R_LED_ON
HDMI_ 5VDET2
SW2001
KEY1
4
TMDS DATA CLOCK
SW2005
RIN
RX2
KEY SWITCH
L/R
REMOTE_IN
JK4702
SW2003
CN8400
HDMI I/F RECEIVER
AV1_LIN
LIN
SUB1.2V
SPEAKER_L
Q4514
LVDS I/F
DDC_IIC0
AUDIO AMP
XRST
VIDEO
RX1
IC4800
CN8600
SUB5V_SENSE
MAIN AV INPUT,PROCESSING
F15V
R_OUT
TU5V
DDC_IIC1
IC8602
AV1
SDVOLC
A
IC8604
+1.2V
USB I/F
HDMI
D3015
C.A.T.S
STB5V
SPEAKER
RGB_CVBS
IC8706
IIC1
IC5440
DMD_
IIC0
IC8901
AVDD3.3V
AV1
IC8603
ROUT
IF_AGC
JK8601
SD3.3V
OUT
AVDD3.3V
SIF I/F
AV1_VIN
LOUT
+3.3V
R_LED_ON
L(-)
PEAKS
EEPROM
STB5V_SW_ON
USB0VBUS
IC8714
STB5V_SW_ON
L/ROUT
STM
IIC
LP1_XRSTSYS
F15V
IIC1
SUB5V
10
L_OUT
PANEL_MAIN_ON
IC8701
DRVRST
CI_5V
IIC0
AXI
AV1_QLINK
FE_XRST
DCDCEN
AVDD
1.8V
LO2_L/R
PANEL_MAIN_ON
ETHERNET
TUNER_SUB_ON
SUB1.2V
HDMI3.3V
RF
R(+)
DMD_
IIC0
L(+)
+5V
5V
HDMI3.3V
SD CARD I/F
IC3001
SIF_OUT
3.3V
12
Parallel_TS(CI_IN)
1
L/R
Y
PWM
4
TUNER_POWER_SOS
DDR3 I/F
RF_CVBS
Y/PR/PB
IC8000
AUDIO IN
DMD_
IIC0
NAND
FLASH
25MHz
SD DATA:4bit
SPEAKER
SD CARD
15
TUNER
+1.8V
SBI0
SBO0
AV1_GREEN
VCC
DVB_CVBS
SW_OFF_DET
IC8601
IR_DCDC_ON
IR_LED_SOS
IR_LED_SOS
IR_DCDC_ON
13
LEDDRV_5V
(LED:4TIMES)
(LED:5TIMES)
(LED :12TIMES)
(LED:10TIMES)
(LED:3TIMES)
35
10.3. Block (2/4) Diagram
(LED:9TIMES)
(LED:8TIMES)
(LED:6TIMES)
(LED:7TIMES)
G
R
P+3.3V
D9806
SUB5V
F15V
DCDCIN
X9300
P+15V
STB1.2V
P+5V
B2_3.3V
STB3.3V
P+5V
P+3.3V
STB1.2V
STB3.3V
STB5V
F15V
DCDCIN
STB3.3V
SUB9V
SUB9V
F15V
D9807
P+2.5V
P+3.3V
P+3.3V
P+5V
STB5V
P+3.3V
D2820
P+15V
D2851
D2853
LEDDRV_5V
D2850
D2852
PA5900
LEDDRV_5V
52
SOS8_SS
STBRST
C11
P_S1
IC9300
DCDCEN
STB+1.2V
REMOTE RECEIVER
C.A.T.S SENSOR
FLASH I/F
8
LVDS DATA
P+1.1V
C.A.T.S. SENSOR
+5V
6
IC8704
IC8707
DATA DRIVER CONTROL
G_LED_ON
XRST
P_S1
SOS7_SC2
DISCHARGE CONTROL
IC8700
11
SCAN CONTROL
SDVOLC
VIDEO DATA
SOS6_SC1
UHZ
2
DRVRST_
IN
X1
SI/SO
SCAN CONTROL
A1
P+5V
+3.3V
SOS8_SS
SOS7_SC2
P+3.3V
3
C.A.T.S
POWER_DET
XRSTSYS
SOS7_SC2
SC_UHZ
SOS_DCC
SOS_DCC
2
P+5V
5
SOS8_SS
8
PDP_DRVRST
PANEL_SOS
C21
1
DCDCEN0
K
DCDCEN0
18
+2.5V
9
SOS6_SC1
IC9304
29
C.A.T.S
1
IC9400,01,02
R_LED_ON
14
PLASMA AI
CPG
H/V Sync Control
Sub Filed Processor
SCAN DATA
BUFFER
DRVRST_
OUT
DCDC_CTL
SC_UHZ
55
6
SUSTAIN CONTROL
2.5V
2
P+3.3V
DTV_RST
2
K1
REMOTE
RECEIVER
SPI
FLASH
4
SOS6_SC1
G_LED_ON
P+15V
RM2810
IIC0
STB5V_SW_ON
P+15V
DATA DRIVER CONTROL
OFF_FLAG
DATA DRIVER CONTROL
STB3.3V
STB+3.3V
SUB_AI3.3V
6
PDP_DRVRST
PANEL_SOS
55
3.3V
1
30
SOS8_SS
SOS_DCC
MAIN AV INPUT,PROCESSING
DCDCEN
UHZ
A
P_S0
SOS7_SC2
SOS6_SC1
P+3.3V
POWER_DET
UHZ
A20
3.3V
DCDCEN2
LP1_XRSTSYS
D_UHZ
15
X0
VIDEO DATA
DCDCEN
16
CN0100
SN2810
1
A32
D_UHZ
8
LP1
POWER LED
IIC0
IIC1
STM_IIC
SBO0/SBI0
5
POWER LED
XRST
1.1V
+1.1V
40
12
BUFF_EN
XRSTSTM
SOS_DCC
PDP_DRVRST
REMOTE_IN
1
5
ASIC 5V
SUB9V
R_LED_ON
10
IC5002
2
P_S0
IC5000
SN20
ANALOG-ASIC
A31
SW_OFF_DET
DTV15V
SUB5V
FOR
FACTORY
USE
LVDS DATA
SD_UHS
7
REMOTE_IN
SUSTAIN CONTROL
DRVRST
IC6776
3
3
VIDEO DATA
LED2
IR_DCDC_ON
3D EYEWEAR
IR_LR
LED3
5
LED1
V14
IR LED DRIVER
FAULT
2
3
4
TRANSMITTER
V
IC5900
+5V
VBAT
LEDDRV5V
TRANSMITTER
LED4
LED3
3D EYEWEAR
LED2
2
5
4
IC5901
IR_LED_SOS
PWM
LED4
3
LED1
A14
IR_LR
IR_LR
13
(LED:9TIMES)
(LED:8TIMES)
(LED:6TIMES)
(LED:7TIMES)
36
10.4. Block (3/4) Diagram
HOT
HOT
COLD
(LED:4TIMES)
COLD
F102
D402
F201
F101
D451
F301
*
*
*
F401
D403
PHOTO COUPLER
AC_DET
L102,L103
PANEL_MAIN_ON
F15V_Vo
FB
NEUTRAL
PC401
Z802
RESONANCE
CONTROL
VGH
RESONANCE
P35
PC201
PHOTO COUPLER
Z701
NEUTRAL
1
LIVE
250V 10A
BIAS 5V
VR251
3
RL101
AC CORD
Vsus
Vsus
PHOTO COUPLER
VSUS_ON/OFF
SN2
STB
ERROR DET
SOS4_PS
STB5V_SW_ON
FILTER
Z451
Vsus
POWER SUPPLY
Vda
Z231
T401
C25
T201
4
250V 4A
PFC_ON/OFF
D309
Vda
250V 10A
PC601
VDD
SS11
Q451
1
PHOTO COUPLER
Vda
Z201
POWER MICOM
STB+5V
MAIN_SW
P34
P
RC102
RELAY2_ON/OFF
VGL
P11
PC202
Vsus
ERROR DET
Vsus_Vo
Q202,Q203
2
AC DET
PC803
2
1
VCC
P2
P+15V
1
P+15V
1
Vda_Vo
OC
P9
RECTIFIER
Vsus
PHOTO COUPLER
LIVE
RC231
RC233
RC232
L251
Z251
Vda
ERROR DET
RC251
Vda
VR261
15
A6
TUNER_SUB_ON
11
F15V
SOUND+15V
S0
13
P+15V
5
1
2
3
F15V
6
7
10
STB5V_SW_ON
S1
P6
PANEL_MAIN_ON
SOS_P4
4
STB5V
T301
250V 2A
CONTROL
PFC
Z601
D607
D608
D608
L601
Q602-Q605
RC351
PC301
Z351
15V
ERROR DET
PHOTO COUPLER
P+15V_ON
Q371
P+15V
9
S0
SOS4_PS
STB+5V
8
NO USE
1
P25
5
S1
10
P+15V
2
PANEL_MAIN_ON
7
F15V_ON
Q351
F15V
SOUND+15V
Vsus Adj
Q231,Q232
P+15V_Vo
Q201
RL102
VSUS_ON/OFF
PFC_ON/OFF
OCP
FB
ZCD
L602
Q601
Z301
CONTROL
15V
RC101
R104
250V 2A
RELAY1_ON/OFF
L451
STB5V_ON
VCC
L101
FB
VCC
VCC
FB
Z401
CONTROL
STB
TUNER_SUB_ON
CONTROL
Q252
D305
D306
14
2
F15V
3
4
9
STB5V_SW_ON
P16
SOS_P4
1
STB5V
13
TUNER_SUB_ON
10
F15V
8
F15V
NO USE
FOR
FACTORY
USE
CN701
SOUND+15V
MAIN SW1
SOUND+15V
HOT
HOT
COLD
(LED:4TIMES)
COLD
A35
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