Panasonic TH-50PH12RK / TH-50PH12RS Service Manual ▷ View online
TH-50PH12RK / TH-50PH12RS
5
2 Disassembly and Assem-
bly Instructions
2.1.
Removal of HHH-Board
1. Remove 4 screws (A) and then remove the HHH Terminal
Block.
2. Remove 4 screws (B).
3. Remove 4 screws (C) and then remove HHH-Board.
3. Remove 4 screws (C) and then remove HHH-Board.
TH-50PH12RK / TH-50PH12RS
6
TH-50PH12RK / TH-50PH12RS
7
3 Block Diagram
3.1.
Main Block Diagram
(LED:2TIMES)
(LED:3TIMES)
(LED:7TIMES)
(LED:5TIMES)
(LED:4TIMES)
(LED:8TIMES)
(LED:6TIMES)
(LED:7TIMES)
HOT
COLD
(LED:6TIMES)
(LED:4TIME)
(LED:8TIME)
(LED:11TIMES)
(LED:13TIMES)
(LED:12TIMES)
(LED:10TIMES)
(LED:2TIMES)
(LED:11TIMES)
(LED:10TIMES)
(LED:10TIMES)
CONTROL SIGNAL
DN5
(STB)
+5V(P)
DCDC
SOS7_SC2
+5V(P)
VIDEO DATA
SOS4_PS
+15V(P)
POWER SOS
SOS8_SS
MEMORY
PANEL MAIN ON
from
+3.3V(P)
D5
+3.3V(STB)
DDR
SOS6_SC1
FLASH
+15V(P)
10bit LVDS
SOS8_SS
VIDEO DATA
+3.3V(P)
+5V(P)
FORMAT CONVERTER,
+15V(P)
D31
+5V
(24bit)
GenX6
LVDS RX
CPG with SS
DISCHARGE
CONTROL
+1.2V
+3.3V
(24bit)
VSUS
SUSTAIN
CONTROL
+5V(P)
VSUS
D32
PANEL READY
D
SCAN
CONTROL
RESET
+15V(P) DET
D25
DATA DRIVER
PANEL MICOM
SOS6_SC1
DCDC
RESET
+1.2V(P)
DS6
SOS7_SC2
+2.5V
SUB-FIELD PROCESSOR
+15V(P)
EEPROM
+2.5V(P)
to
DCDC
PLASMA AI
PANEL STB_ON
PANEL SOS
+5V(P) DET
PLASMA AI PROCESSOR
+3.3V(P) DET
(STB)
SOS8_SS
+5V(STB)
D20
SOS4_PS
H/V SYNC CONTROL
+3.3V
+5V(P)
P2
SC2
VSUS GEN.
VSUS
Vda
DATA
DRIVER
C33
DATA
DRIVER
DATA
DRIVER
C21
SUSTAIN CONTROL
(LOWER)
STB5V
+5V(P)
VE GEN.
SS
P
SD
SC20
SOS8_SS
SS11
ON/OFF CONTROL
SUSTAIN DRIVE
SC
S34
POWER SW
+5V(P)
VSUS
PS SOS4
+15V(P)
+5V(P)
PROCESS
VOLTAGE
RECTIFIER
P34
SOS7_SC2
P-BOARD
SOS DETECT
+5V(P)
POWER SUPPLY 2
VSCAN GEN.
SOS8_SS
ON
STB5V
MAIN SW1
SCAN
DRIVER
SC-BOARD
FLOTING PART
SOS DETECT
S1
SS24
POWER SWITCH
F15V
+5V(P)
SCAN DRIVE
+15V(P)
DATA DRIVER (RIGHT)
SCAN OUT (LOWER)
SD42
SUSTAIN CONTROL
C11
MAIN SW1
DATA
DRIVER
SC42
P7
SUSTAIN
VOLTAGE
RECTIFIER
Vda
Vda
SS22
DATA DRIVER (LEFT)
DATA
DRIVER
SS23
RECTIFIER
DATA
DRIVER
SS2
CONNECTOR
+5V(P)
RELAY
SCAN
DRIVER
VIDEO DATA
DATA DRIVER (CENTER)
SD11
C35
MAIN SW2
POWER MICOM
SOS8_SS
C3
+5V(P)
DATA
DRIVER
STANBY
VOLTAGE
RECTIFIER
SOUND15V
DATA
DRIVER
SUSTAIN
BUFFER
SUSTAIN CONTROL
VSET GEN.
SU11
MAIN SW2
Vda
SOS6_SC1
POWER
FACTOR
CONTROL
P25
RECTIFIER
C32
SS-BOARD
SOS DETECT
SCAN OUT (UPPER)
P6
+15V(P)
CONTROL
PULSE
SU41
C10
SC-BOARD
ENEGRY RECOVERY
SOS DETECT
C20
F15V
SC46
P11
DATA
DRIVER
VSUS
DATA
DRIVER
DATA
DRIVER
+15V(P)
VIDEO DATA
C2
P35
C1
SD46
Vda
SC41
SU
Vda
C22
Vda
+5V(P)
DS4
to
DS10
PF9
F15.7V
P9
STANBY
VOLTAGE
RECTIFIER
to
PF1
STB5V
PF10
POWER SUPPLY 1
PF
FILTER
SC3
SS3
SS3
ENEGY RECOVERY
COIL
SC3
AC CORD
+2.5V SOS
SPEAKER
DIGITAL SIGNAL PROCESSOR
EEPROM
LVDS RX
IIC1
L+/-
+3.3V(STB)
+9/7.2V
PANEL SOS
IP CONV.
SPEAKER L
H37
+3.3V(P)
FAN
POWER
DN2
P+5V SOS
SCW3
+1.2V SOS
KEYSCAN
+5V(STB)
+3.3V
MICOM
+5V(P)
L+/-
P_ON/OFF
A/D_C
SPEAKER R
+15V(P)
FAN SOS DET
R/G/B
30bit
+15V(FAN)
30bitx2_ASIC OUT
+2.5V(P)
+5V(P)
ASIC OUTB
(30bit)
R+/-
A
VIDEO SIGNAL
PROCESSOR
PANEL STB_ON
10bit LVDS
D5
+3.3V(SW)
+3.3V SOS
FAN A/B-1/B-2
B
PANEL STB_ON
LED_R
CIRCUIT
DS BOARD SOS
30bitx2_RGB VIDEO
SIGNAL PROCESSOR
10bit LVDS
DN33
DN32
TERMINAL
LED_G
+1.2V(P)
+15V(P)
PANEL READY
H3
EVEN 10bit
ODD 10bit
Y,PB,PR
H3
SCW3
R(10bit)
G(10bit)
B(10bit)
R+/-
LVDS IN B
PANEL SOS
+1.8V SOS
TTL CONV.
RESET
DDR2
+15V(FAN)
+1.2V(P)
TTL CONV.
HD,VD
DN1
DN5
+2.5V
SPEAKER
ASIC OUTA
(30bit)
DN BOARD SOS
F+15V SOS
+1.8V(P)
REMOTE IN
PANEL READY
LVDS IN A
+1.8V(P)
OSD
RESET
FAN SOS
TERMINAL
+1.2V
TERMINALS
+3.3V(STB)
H37
+15V(P)
P+15V SOS
LVDS RX
POWER ON/OFF
HD,VD
ASIC
CLKGEN
DN31
to
+2.5V(P)
EVEN 10bit
ODD 10bit
+1.8V
TERMINALS
+3.3V(P)
DN
(LED:2TIMES)
(LED:3TIMES)
(LED:7TIMES)
(LED:5TIMES)
(LED:4TIMES)
(LED:8TIMES)
(LED:6TIMES)
(LED:7TIMES)
HOT
COLD
(LED:6TIMES)
(LED:4TIME)
(LED:8TIME)
(LED:11TIMES)
(LED:13TIMES)
(LED:12TIMES)
(LED:10TIMES)
(LED:2TIMES)
(LED:11TIMES)
(LED:10TIMES)
SLOT1
I/F
+15V(SND)
DS7
+5V
L+/-
DS13
Y/PB/PR_4
AUDIO
SELECT
LED
L/R_1
DS8
H1
V15
SP AMP
L/R_4
EQUALIZER
+5V(STB)
STB+3.3V
V2
SOUND
CONTROL
DS3
+3.3V
SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
+14V(LAN)
F15V
DS2
from P7
COMPONENT SELECT
L/R
KEYSCAN
HD/VD_1
from PF10
HD/VD_4
DS15
+9V(P)
HX
R,B,G
Y/PB/PR_1
HX1
+12V(SND)
DS1
L/R_2
L,R
L/R_3
DS11
HDMI
R+/-
HD/VD_4
LED_R
LVDS_B
L/R_2
LVDS_A
+5V
LAN+15V
L/R_2
+3.3V(P)
Y/PB/PR_2
HDMI INTERFACE
HDMI
IN A
L/R_1
AUDIO
DAC
PC/RS232C TERMINAL
Y/PB/PR_4
+9V
+5V
DS SOS DET
CIRCUIT
REMOTE IN
HD/VD
LAN+15V
DS12
LED_G/LED_R
REMOTE
RECEIVER
HD,VD
SYNC SIGNAL
INVERTER
Y/PB/PR_3
V2
KEY SWITCH
DS4
HDMI
IN B
V1
KEY SWITCH
HD/VD-2
+5V(P)
Ex.I/O
Y,PB,PR
+5V(STB)
DS10
STB+5V
FPGA
HD/VD_2
FAN_CONT
LED_G
DS6
+3.3V(STB)
HD/VD_3
HHH
+15V(FAN)
PC
+3.3V
from P6
+9V
DS14
F15.7V
P+5V
SYNC SIGNAL
PROCESSOR
SLOT1-3 SOS
SLOT2
HD/VD-3
+9V(P)
+14V(LAN)
Y/PB/PR_3
+5V(STB)
L/R_3
L/R_3
Y/PB/PR_3
+3.3V(P)
+5V(P)
HD/VD-3
+15V(P)
+9V
+5V(STB)
STB+3.3V
REMOTE RECEIVER/LED
L/R_4
LVDS_B
F+15V DET
F+15V_MON
STB+5V +9V
+5V(P)
+14V(LAN)
+15V(P)
+3.3V(P)
+9V(P)
+5V(STB)
(LED:10TIMES)
DS
Y/PB/PR_2
Y/PB/PR_2
HD/VD-2
HD/VD-2
SLOT3
TH-50PH12RK / TH-50PH12RS
8
3.2.
Block (1 of 6) Diagram
L
B15
EDID B
HDMI_CEC
+5V
Y0,Y1,UV0,UV1
CLK1
FOUT
IIC
A15
ADIN2
O_CLK
B6
LVDS28p
LVDS26p
DCLK
Y0,Y1,UV0,UV1
HDMI_5V_DET1
LVDS_TX5+
SLOT_IIC2
+3.3V
HD/FHD DET
LVDS18n
RESERVE1
LVDS26n
A9
A26
+5V(HDMI)
EDID A
P3
H/V
P2
IC3335
A22
HDMI_R
R_OUT+
SLOT_IIC2
LVDS37p
DATAO
SLOT_SCL
LVDS_TX7-
DDC IIC
DATAO
LVDS31n
AUDIO
HDMI_IIC
+2.5V
PLAG_DET
AOUTL
B19
Q3304
B5
IC3308
H5
IC3323
+5VSTB
Y2-Y9
B14
UV2-UV9
+1.8V
IC3334
+3.3VREG
HDMI_IIC
H6
RESERVE6
LVDS_TX0+
EEPROM
LVDS_TX2+
FACTORY
IC3312
RESERVE1
AUDIO DAC
LVDS31p
LVDS_TX7+
VCC
EEPROM
CPG
LVDS_TX5-
HD/FHD
DDC0_IIC
LVDS_TX8+
EDID A
A23
B38
LVDS_TX4+
A7
For HD
IIC
+5V
H3
LVDS28n
AUDIO AMP L
IC3339
EXPAND I/O
LVDS37n
B2
nCSO
H2
AOUTR
IIC
IC3319
H1
S0-3
BUFFER
B37
LVDS35n
LVDS19p
RESET
IC3338
LVDS34n
HDMI_5V_DET1
EEPROM
CONFIG ROM(FPGA)
LVDS_TX9+
P1
SLOT9V
L_OUT+
A5
IC3329
USE
+5V
IIC
FPGA
A13
LVDS_TX9-
LVDS27n
DET_1
SW
HDMI IN B
HDMI IN A
DS11
+3.3VREG
HDCP KEY
AUDIO AMP R
FIN
+5V(HDMI)
ADIN3
+2.5V
LVDS19n
USE
B25
ASDO
CONTROL BUS
LVDS_TX0-
LVDS23n
IC3344
B3
HDMI_5V_DET2
RESERVE6
+1.8V
IC3306
SLOT9V
HDMI
HDMI I/F RECEIVER
FOR
IC3326
IC3303
DCLK
LVDS_TX6-
BICK
nCSO
LVDS_TXC+
+3.3VREG
STB5V
+3.3V
EDID B
B9
Y2-Y9
IC3304
A2
SLOT_IIC2
B8
HDMI_L
LVDS35p
HDMI_5V_DET1
BUFFER
Y0,Y1,UV0,UV1
LVDS_TX2-
+3.3VREG
nCONFIG
HD/FHD
CLK4
LVDS_TX8-
TMDS DATA CLOCK
A19
IC3341
IC3322
FOR
DDC IIC
3.3V
->5V
LVDS33p
IC3307
HDMI_5V_DET2
IC3342
+3.3VREG
NRST
+1.2V
R
SLOT5V
ADIN4
Q3303
EEPROM
SLOT15V
B24
3.3V
->5V
IC3321
UV2-UV9
For HD
FACTORY
+1.2V
A28
BUFFER
LVDS18p
SLOT15V
VDD
DECODE
LVDS27p
INTERFACE
IC3310
HDMI_CEC
PLUG DET
For FHD
DDC1_IIC
HHH
LVDS_TX4-
BUFFER
A8
IC3324
A4
SLOT_SDA
LVDS_TX1-
A21
IC3301
LVDS23p
B11
S0-3
TMDS DATA CLOCK
B39
IC3328
LVDS33n
For FHD
IC3325
HDMI_SD
VIDEO
IVDO
LVDS34p
LVDS_TX3+
ASDO
10bit A/D
IC3343
+5VSTB
BUFFER
SLOT5V
+5V
A12
UV2-UV9
CONFIG
BUFFER
IC3302
LVDS_TX1+
HDMI PROCESSOR
IC3330
B21
+3.3VREG
A14
A10
B12
DET_2
LVDS_TX3-
LVDS_TX6+
HDMI_5V_DET2
MAIN MICOM
INTERFACE
IC3314
ROM
HDMI INTERFACE
A/D CONV.
A3
+9V
Y2-Y9
LVDS_TXC-
+5V
EX_RESERVE1
EX_RESERVE2
EX_RESERVE3
+5V
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