Panasonic TH-R42PY8SR Service Manual / Other ▷ View online
27
8.1.4.
Adjustment Volume Location
8.1.5.
Test Point Location
28
29
9 Block Diagram
9.1.
Block Diagram (1/6)
SIF,AM
+5V(S)
DCDC
SPEAKER(L)
+1.8V(S)
+3.3V(S)
L,R
A5
RESET
+9/7.2V
P6
+5V(STB)
AUDIO SW
+15V(FAN)
+3.3V(S)
K1
DCDC
FRONT TERMINAL
POWER LED(R)
+30V(BT)
SOUND SOS
FAN POWER
Y,C,V
SD CARD
CIRCUIT
SD CARD DATA
SOUND SOS DET
CIRCUIT
CIRCUIT
SUB+3.3V
SOUND
PWM AUDIO OUT
DTV AUDIO
FAN CONT
10bit A/D
SBO2
SBI2
SBI2
+3.3V(S)
CLOCK GEN
GS52
IIC1
GS
+3.3V(S)
DCDC
+3.3V(STB)
to D5
SUB+3.3V DET
+9V(P)
G
A52
SUB+5V DET
A51
DIGITAL VIDEO DATA
SUB+5V
PROCESSOR
EEPROM
AI SENSOR
BT+30V
+9V(S)
Peaks Lite2
SUB+1.8V
Y,C,V
RESET
HDMI AUDIO
FRONT END
PROCESSOR
PROCESSOR
MONITOR
L,R
L,R
KEY SWITCH
KEYSCAN1
A1
A3
A7
HDMI2
AV3
DTV_V
F+15V
CH0 DATA
FAN SOS
+15V(SND)
HDMI1
DIGITAL SIGNAL PROCESSOR
POWER LED
REMOTE
RECEIVER
RECEIVER
V
to D3
AUDIO AMP
PANEL STB_ON
SD BOOT
CH0 DATA
REMOTE IN
L,R
KEY SWITCH
FAN SOS DET
DCDC
OPTICAL OUT
G51
REMOTE RECEIVER
A12
SOUND SOS
HDMI I/F
RECEIVER
RECEIVER
F+15V
K
L,R
DTV AUDIO
PANEL STATUS
from
VIDEO SW
SLOT
+3.3V(STB)
SUB+1.2V
RESET
DDR2
STB MCU
FAN_A-C
A
SUB+9V
TUNER
A6
+1.2V(S)
FAN SOS
GenX5
+15V(S)
+15V(FAN)
SD CARD DATA
SPEAKER(R)
LED
PANEL SOS
from P7
AI SENSOR
+15V(FAN)
+15V(SND)
SUB+9V DET
SD CARD SLOT
+5V(S)
+9V(S)
FAN CONT
ALL OFF
OPTICAL OUT
+5V(S)
+5V(S)
AI SENSOR
HEADPHONE
HP_L,R
HP_L,R
Y,PB,PR
L,R
Y,C,V
AV1
AV2
Y,C,V
L,R
L,R
COMP
LVDS DATA
MIHO
Local 16bit OSD
RGB_30bit
LOSD OUT
(for HQ1)
(for HQ1)
BA/EA
CI SLOT
BUFFER
HSDIN
TS Parallel
TS Parallel
EEPROM
FLASH
MONITOR L,R
MONITOR
OUT
OUT
FRC+3.3V
FRC+1V
DCDC
+1V(FRC)
DCDC
DCDC
FRC+2.5V
DCDC
FRC+2.6V
+2.5V(FRC)
+2.6V(FRC)
+30V(BT)
TUNER SOS DET
CIRCUIT
CIRCUIT
+9V(S)
+5V(S)
TUNER SOS
+3.3V(FHD)
FHD+3.3V
DCDC
+5V(S)
+1.2V(MIHO)
MIHO+1.2V
DCDC
+3.3V(FHD)
(LED:12 TIMES)
(LED:11 TIMES)
(LED:12 TIMES)
(LED:10 TIMES)
(LED:10 TIMES)
TH-42PY8PA, PZ8BA/EA
Block (1/6) Diagram
Block (1/6) Diagram
TH-42PY8PA, PZ8BA/EA
Block (1/6) Diagram
Block (1/6) Diagram
A83
30
9.2.
Block Diagram (2/6)
(LED:7TIMES)
(LED:7TIMES)
(LED:2TIMES)
(LED:2TIMES)
(LED:3TIMES)
(LED:3TIMES)
(LED:8TIMES)
(LED:8TIMES)
(LED:5TIMES)
(LED:5TIMES)
(LED:4TIMES)
(LED:4TIMES)
(LED:6TIMES)
(LED:6TIMES)
(LED
(LED
4 TIME)
4 TIME)
(LED
(LED
7 TIMES)
7 TIMES)
(LED
(LED
6 TIMES)
6 TIMES)
(LED
(LED
8 TIME)
8 TIME)
HOT
HOT
COLD
COLD
MAIN SW2
+5V(P)
MAIN SW1
+5V(STB)
+3.3V(P)
SOS8_SS
+5V(P)
to
P11
SC2
C20
C10
+15V(P)
+15V(P)
+15V(P)
A3,A5
+5V(P)
VSUS
SOS8_SS
+3.3V
SOS8_SS
FLASH
+1.2V(P)
SS11
+15V(P)
+5V(P)
C21
Vda
+2.5V(P)
SOS7_SC2
Vda
DCDC
+1.2V(P)
P
ANEL SOS
+5V(P)
SS34
MEMORY
SOS6_SC1
P2
EEPROM
P
ANEL READ
Y
+15V(P)
P9
+5V(P)
P
ANEL STB_ON
P12
D5
SS12
DDR
+15V(P)
SOS6_SC1
Vda
SOS8_SS
C11
+3.3V(P)
C12
VSUS
+5V(P)
SOS7_SC2
Vda
P25
+5V(STB)
D3
D33
VSUS
+5V(P)
VIDEO D
A
T
A
MAIN SW1
D20
+5V(P)
MAIN SW2
DCDC
+15V(P)
Vda
to/from
SOS6_SC1
D25
SOS8_SS
D31
SS35
+5V(P)
C25
A6,A7
VSUS
+3.3V(P)
SS33
+5V(P)
SC20
+5V(STB)
+5V(P)
C23
+2.5V(P)
D32
SOS8_SS
+3.3V(STB)
+5V(P)
Vda
DCDC
+15V(P)
L
VDS D
A
T
A
(36bit)
(30bit)
(30bit)
VSUS
SOS8_SS
+5V(P)
+5V(P)
+5V(P)
+5V(P)
SOS8_SS
Vda
RESET
RESET
(STB)
SOS4_PS
ALL OFF
+5V(STB)
SCAN
DRIVER
DRIVER
SU11
SD11
SD42
SU41
SC41
SC42
SCAN
DRIVER
DRIVER
FSTB+15V
+15V(SND)
P7
P6
F+15V
+15V(FAN)
+5V(STB)
+5V(P)
+15V(P)
+5V(STB)
SOS7_SC2
+15V(P) DET
GenX6
+3.3V(P) DET
PANEL MICOM
+5V(P) DET
POWER SOS
CONTROL SIGNAL
DISCHARGE CONTROL
STANDBY
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
LINE
FILTER
FILTER
LINE
FILTER
FILTER
RECTIFIER
RECTIFIER
STANDBY
VOLTAGE
CONTROL
VOLTAGE
CONTROL
SUSTAIN
VOLTAGE
CONTROL
VOLTAGE
CONTROL
SUSTAIN
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
PROCESS
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
POWER
FACTOR
CONTROL
FACTOR
CONTROL
PROCESS
VOLTAGE
CONTROL
VOLTAGE
CONTROL
POWER MICOM
PS SOS
ON/OFF CONTROL
P-BOARD
SOS DETECT
SOS DETECT
VIDEO D
A
T
A
VIDEO D
A
T
A
SUSTAIN
CONTROL
CONTROL
VOLTAGE
GENERATOR
GENERATOR
CONTROL
PULSE
PULSE
SCAN
PULSE
PULSE
SUSTAIN
PULSE
PULSE
SC-BOARD
FLOATING PART
SOS DETECT
FLOATING PART
SOS DETECT
SC-BOARD
ENERGY RECOVERY
SOS DETECT
ENERGY RECOVERY
SOS DETECT
PANEL MAIN ON
SOS4_PS
VIDEO D
A
T
A
VIDEO D
A
T
A
VIDEO D
A
T
A
SUST
AIN CONTR
OL
VIDEO D
A
T
A
SUSTAIN CONTROL
SUSTAIN CONTROL
VIDEO DATA
SUST
AIN CONTR
OL
SUST
AIN CONTR
OL
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
SS-BOARD
SOS DETECT
SOS DETECT
ADDRESS
VOLTAGE
(VE)
VOLTAGE
(VE)
ERASE
PULSE
PULSE
SUSTAIN
PULSE
PULSE
SCAN CONTROL
SU SCAN OUT (UPPER)
SC SCAN DRIVE
P
POWER SUPPLY
SUSTAIN DRIVE
SS
C2 DATA DRIVER (LEFT)
C1 DATA DRIVER (RIGHT)
SCAN OUT (LOWER)
SD
AC CORD
PLASMA AI PROCESSOR
FORMAT CONVERTER,
D
H/V SYNC CONTROL
PLASMA AI
CPG with SS
SUB-FIELD PROCESSOR
LVDS RX
DATA DRIVER
SD46
SC46
(LED:7TIMES)
(LED:2TIMES)
(LED:3TIMES)
(LED:8TIMES)
(LED:5TIMES)
(LED:4TIMES)
(LED:6TIMES)
(LED
4 TIME)
(LED
7 TIMES)
(LED
6 TIMES)
(LED
8 TIME)
HOT
COLD
TH-42PY8PA, PZ8BA/EA
Block (2/6) Diagram
Block (2/6) Diagram
TH-42PY8PA, PZ8BA/EA
Block (2/6) Diagram
Block (2/6) Diagram
POWER SWITCH
S1
ON
S
POWER SW
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