Panasonic TH-42PY85PA / TH-42PZ85BA / TH-42PZ85EA Service Manual ▷ View online
29
8.1.4.
Adjustment Volume Location
8.1.5.
Test Point Location
30
31
9 Block Diagram
9.1.
Block Diagram (1/6)
A3
+30V(BT)
REMOTE
RECEIVER
RECEIVER
FAN SOS DET
+3.3V(S)
G
AUDIO
AI SENSOR
to D5
L,R
FAN CONT
+3.3V(S)
SUB+1.2V
K1
GS52
Y,C,V
BA/EA ONLY
SD BOOT
+3.3V(STB)
CH0 DATA
M
GH11
A8
RESET
SPEAKER(L)
A52
+3.3V(FHD)
VIDEO SW
FRC+1V
AV3
CIRCUIT
FRC-H
CI SLOT
AUDIO AMP
DCDC
A11
FAN SOS
+3.3V(S)
SOUND SOS
REMOTE RECEIVER
OUT
+2.6V(FRC)
from
HDMI I/F
RECEIVER
RECEIVER
PROCESSOR
+15V(SND)
OPTICAL OUT
ALL OFF
+3.3V(STB)
+15V(FAN)
HDMI3 IN
PWM AUDIO OUT
TUNER
Y,C,V
FAN_A-D
+5V(S)
SD CARD SLOT
SOUND
EEPROM
GS
PC
+2.5V(FRC)
A6
PB
F+15V
FHD+3.3V
+9V(P)
PB8
FLASH
Local 16bit OSD
AI SENSOR
+5V(S)
L,R
HDMI
EQUALIZER
EQUALIZER
SOUND SOS
EEPROM
SLOT
+5V(STB)
DCDC
+9/7.2V
SOUND SOS DET
CIRCUIT
CIRCUIT
AUDIO SW
L,R
DCDC
R,G,B
from P7
DCDC
+9V(S)
+1V(FRC)
LED
KEY SWITCH
DTV AUDIO
PB33
+1.2V(S)
HDMI3
+5V(S)
STB MCU
AV2
+15V(SND)
SUB+5V
+1.2V(MIHO)
FRC+3.3V
SUB+1.8V
DCDC
+5V(S)
L,R
TUNER SOS DET
CIRCUIT
CIRCUIT
DCDC
SD CARD DATA
M2
OPTICAL OUT
BUFFER
PORT C
CLOCK GEN
SPEAKER(R)
MONITOR
L,R
L,R
DTV AUDIO
+30V(BT)
V
BT+30V
A5
+9V(S)
RGB_30bit
GenX5
KEY SWITCH
MIHO+1.2V
SD CARD DATA
SD CARD
HP_L,R
to D3
FRC+2.6V
+9V(S)
L,R
+5V(S)
Y,C,V
DDR2
SUB+9V DET
A1
OPTICAL
FRONT END
PROCESSOR
PROCESSOR
SIF,AM
HDMI AUDIO
OPTICAL OUT
VOUT
PB37
PB36
COMP
+3.3V(FHD)
HEADPHONE
LVDS DATA
MONITOR
OUT
OUT
HSDIN
TS Parallel
TS Parallel
MONITOR L,R
SUB+3.3V
RGB_30bit
+15V(S)
MIHO
PB35
10bit A/D
CH0 DATA
FAN POWER
HDMI1
AV1
HP_L,R
Y,C,V
SUB+3.3V DET
Y,PB,PR
+5V(S)
F+15V
LOSD OUT
(for HQ1)
(for HQ1)
FRONT TERMINAL
G51
+15V(FAN)
DIGITAL SIGNAL PROCESSOR
DDR SRAM
SBO2
SBI2
SBI2
P6
DIGITAL VIDEO DATA
FRC+2.5V
DCDC
POWER LED
A7
+3.3V(S)
DCDC
A51
L,R
FAN CONTROL
+5V(S)
K
DDR SDRAM I/F
DCDC
+5V(S)
Lite2p/HRCH
DTV_V
RESET
A12
A2
Peaks Lite2
HDMI2
A
+15V(FAN)
+3.3V(S)
DCDC
SUB+9V
SUB+5V DET
GH
PORT A
+3.3V(S)
+1.8V(S)
(LED:12TIMES)
(LED:10TIMES)
(LED:11TIMES)
(LED:12TIMES)
TH-42PY85PA, PZ85BA/EA
Block (1/6) Diagram
Block (1/6) Diagram
TH-42PY85PA, PZ85BA/EA
Block (1/6) Diagram
Block (1/6) Diagram
KEYSCAN1
AI SENSOR
RESET
TUNER SOS
FAN CONT
PANEL STB_ON
PANEL SOS
REMOTE IN
PANEL STATUS
POWER LED(R)
IIC1
FAN SOS
(LED:10TIMES)
32
9.2.
Block Diagram (2/6)
(LED:7TIMES)
(LED:2TIMES)
(LED:3TIMES)
(LED:8TIMES)
(LED:5TIMES)
(LED:4TIMES)
(LED:6TIMES)
(LED
4 TIME)
4 TIME)
(LED
7 TIMES)
7 TIMES)
(LED
6 TIMES)
6 TIMES)
(LED
8 TIME)
8 TIME)
HOT
HOT
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-42PY85PA, PZ85BA/EA
Block (2/6) Diagram
Block (2/6) Diagram
TH-42PY85PA, PZ85BA/EA
Block (2/6) Diagram
Block (2/6) Diagram
POWER SWITCH
S1
ON
S
POWER SW
Click on the first or last page to see other TH-42PY85PA / TH-42PZ85BA / TH-42PZ85EA service manuals if exist.