Panasonic TH-46PY80PA / TH-46PZ80BA / TH-46PZ80EA Service Manual ▷ View online
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
+5V(S)
AI SENSOR
HDMI3 IN
BT+30V
+9V(S)
Peaks Lite2
SUB+1.8V
Y,C,V
RESET
HDMI AUDIO
FRONT END
PROCESSOR
PROCESSOR
HDMI3
GH
MONITOR
L,R
L,R
KEY SWITCH
KEYSCAN1
A1
A2
A2
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
+3.3V(S)
CH0 DATA
REMOTE IN
L,R
KEY SWITCH
FAN SOS DET
DCDC
A11
OPTICAL OUT
G51
REMOTE RECEIVER
+3.3V(S)
A12
SOUND SOS
HDMI I/F
RECEIVER
RECEIVER
F+15V
K
L,R
DTV AUDIO
PANEL STATUS
HDMI
EQUALIZER
EQUALIZER
from
VIDEO SW
SLOT
+3.3V(STB)
SUB+1.2V
RESET
DDR2
STB MCU
FAN_A-D
A
SUB+9V
TUNER
A6
+1.2V(S)
FAN SOS
+5V(S)
GenX5
+15V(S)
+15V(FAN)
SD CARD DATA
SPEAKER(R)
LED
PANEL SOS
from P7
AI SENSOR
+15V(SND)
SUB+9V DET
GH11
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
R,G,B
AV2
Y,C,V
L,R
PC
L,R
COMP
LVDS DATA
MIHO
Local 16bit OSD
RGB_30bit
LOSD OUT
(for HQ1)
(for HQ1)
BA/EA ONLY
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-46PY80PA, PZ80BA/EA
Block (1/6) Diagram
Block (1/6) Diagram
TH-46PY80PA, PZ80BA/EA
Block (1/6) Diagram
Block (1/6) Diagram
A83
30
9.2.
Block Diagram (2/6)
+5V(P)
VSUS
SD11
SD42
D20
SOS7_SC2
+15V(P)
FSTB+15V
P12
D5
P9
SS12
to/from
P11
D25
SC2
SU11
D31
SS35
+15V(P)
Vda
VSUS
SS11
VSUS
+15V(P)
SU41
SC41
D3
+5V(STB)
SC42
SCAN
DRIVER
DRIVER
SS34
D33
A3,A5
SS33
VSUS
P25
SC20
D32
SOS6_SC1
+5V(STB)
+15V(P)
+5V(P)
P2
VSUS
+5V(P)
Vda
+5V(P)
+5V(P)
SOS8_SS
+5V(P)
+5V(P)
SOS8_SS
SUSTAIN
PULSE
PULSE
SCAN
PULSE
PULSE
VOLTAGE
GENERATOR
GENERATOR
CONTROL
PULSE
PULSE
SC-BOARD
FLOATING PART
SOS DETECT
FLOATING PART
SOS DETECT
SC-BOARD
ENERGY RECOVERY
SOS DETECT
ENERGY RECOVERY
SOS DETECT
+3.3V(P)
SOS7_SC2
+3.3V(STB)
SOS8_SS
VIDEO D
A
T
A
RESET
SOS6_SC1
+2.5V(P)
+5V(P)
+5V(STB)
P
ANEL STB_ON
+15V(P)
+5V(P) DET
POWER SOS
(36bit)
(30bit)
(30bit)
+15V(P)
+5V(P)
+3.3V(P) DET
+3.3V(P)
PANEL MICOM
SOS8_SS
+5V(P)
SOS7_SC2
RESET
+15V(P)
+15V(P)
P
ANEL READ
Y
DCDC
DDR
FLASH
+5V(STB)
VIDEO D
A
T
A
+1.2V(P)
+3.3V(P)
SUSTAIN
CONTROL
CONTROL
CONTROL SIGNAL
(STB)
+2.5V(P)
+15V(P) DET
GenX6
+5V(STB)
DCDC
P
ANEL SOS
+15V(P)
EEPROM
SOS4_PS
+5V(P)
+3.3V
+5V(P)
+1.2V(P)
SOS8_SS
+5V(P)
MEMORY
SOS6_SC1
DCDC
SOS4_PS
ALL OFF
PANEL MAIN ON
VIDEO D
A
T
A
ADDRESS
VOLTAGE
(VE)
VOLTAGE
(VE)
SOS8_SS
ERASE
PULSE
PULSE
MAIN SW1
SUSTAIN
PULSE
PULSE
SUST
AIN CONTR
OL
+5V(P)
MAIN SW2
SS-BOARD
SOS DETECT
SOS DETECT
PS SOS
P-BOARD
SOS DETECT
SOS DETECT
SUSTAIN
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
RECTIFIER
STANDBY
VOLTAGE
CONTROL
VOLTAGE
CONTROL
SUSTAIN
VOLTAGE
CONTROL
VOLTAGE
CONTROL
ON/OFF CONTROL
LINE
FILTER
FILTER
LINE
FILTER
FILTER
RECTIFIER
STANDBY
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
PROCESS
VOLTAGE
CONTROL
VOLTAGE
CONTROL
PROCESS
VOLTAGE
RECTIFIER
VOLTAGE
RECTIFIER
POWER MICOM
POWER
FACTOR
CONTROL
FACTOR
CONTROL
SCAN CONTROL
VIDEO D
A
T
A
VIDEO D
A
T
A
SUST
AIN CONTR
OL
VIDEO D
A
T
A
SUST
AIN CONTR
OL
AC CORD
SCAN OUT (UPPER)
SU
POWER SUPPLY
SUSTAIN DRIVE
SS
SC SCAN DRIVE
P
SD
FORMAT CONVERTER,
PLASMA AI PROCESSOR
SCAN OUT (LOWER)
D
MAIN SW1
MAIN SW2
to
A6,A7
+5V(STB)
P7
P6
+15V(FAN)
FSTB+15V
+15V(SND)
DATA DRIVER
L
VDS D
A
T
A
H/V SYNC CONTROL
DISCHARGE CONTROL
PLASMA AI
CPG with SS
SUB-FIELD PROCESSOR
LVDS RX
SD46
SC46
SCAN
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
VIDEO D
A
T
A
VIDEO D
A
T
A
SUSTAIN CONTROL
C33
Vda
C26
+5V(P)
+5V(P)
+5V(P)
C22
C20
SOS8_SS
DATA
DRIVER
DRIVER
Vda
Vda
C10
SUSTAIN CONTROL
VIDEO DATA
+5V(P)
C36
C21
C35
C11
+5V(P)
DATA DRIVER (LEFT)
C1 DATA DRIVER (RIGHT)
C2 DATA DRIVER (CENTER)
SOS8_SS
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
DATA
DRIVER
DRIVER
C3
(LED
6 TIMES)
(LED
7 TIMES)
(LED:8TIMES)
(LED:5TIMES)
(LED:6TIMES)
(LED:4TIMES)
(LED:7TIMES)
(LED:2TIMES)
(LED:3TIMES)
(LED
8 TIME)
(LED
4 TIME)
HOT
COLD
TH-46PY80PA, PZ80BA/EA
Block (2/6) Diagram
Block (2/6) Diagram
TH-46PY80PA, PZ80BA/EA
Block (2/6) Diagram
Block (2/6) Diagram
POWER SWITCH
S1
ON
S
POWER SW
31
9.3.
Block Diagram (3/6)
(LED:10 TIMES)
(LED:12 TIMES)
(LED:12 TIMES)
(+5.6V)
(LED:3 TIMES)
(LED:11 TIMES)
D5522
SUB3.3V
SOUND15V
DTV9V
D2017
D5521
SUB5V
SUB3.3V
MAIN5V
SUB3.3V
MAIN3.3V
MAIN9V
STB3.3V
STB5V
STB5V
F15V
SUB1.2V
D5612
D1107
D2014
MAIN9V
BT30V
SUB5V
SUB1.8V
D3814
D3813
SOUND15V
D861
D860
D5579
D5578
CVBS/S/YUV
/RGB(PC)
/RGB(PC)
IC2013
AV1_VOUT
IC1101
L(+)
MAIN
AV1_LOUT
SBI2
SBO2
SBO2
A7
TU8301
IIC
IIC3
3
+1.8V
PANEL SOS
(ARARM)
(ARARM)
IIC3
STB
+3.3V
+3.3V
A12
IC2107
SUB+5V
+9V
SIF,AM
+1.2V
+3.3V
AV1_ROUT
BT30V
PR
RESET
2
+1.8V
AV2_V_Y
Q2027
LIN
XRST
SOS DET
+3.3V
BT+30V
RF
+5V(HDMI)
DET1,2,3
DET1,2,3
STB_RST
A33
SD BOOT
SOUND SOS
RIN
PC IN
F+15V DET
Q2022
BA/EA ONLY
SOS:Low
TUNER_SUB_ON
1
GenX5
SUB5V
PANEL STATUS
(READY)
(READY)
IC5660
SOS
IC5400
ECO_ON
+5V
SUB3.3V_SENSE
MAIN_ON
SUB5V_SENSE
AV2_RED_C
MAIN9V_SENSE
SUB+9V
AV2_GREEN
9
XRST
PANEL STB_ON
IC5401
HDMI_CEC_PU_ON
HDMI_CEC
SPEAKER L,R
L(-)
IC1100
Q5522
IC5601
STANDBY_MPU
Norm:Low
Ab:high
Ab:high
Norm:Low
Ab:high
Ab:high
DTV_9V_SENSE
SOUND_SOS
B
R(-)
G_LED_ON
STB+3.3V
JK3001
AV2_VOUT
AUDIO AMP
IIC2
AV2_LOUT
AV1
PWM
SP L,R
AV2
1
IIC2
+1.8V
+15V
HEADPHONE
IC5600
JK3002
DTV
JK3003
F+15V
+3.3V
+15V_S
4
IC2008
AV2_BLUE
G
IC2301
AV2_ROUT
R
L,R
V,Y,C,R,G,B
SOS DET
BT+30V
SPEAKER
OUT
OUT
IC3001
R(+)
Y,PB,PR
2
RF
COMP/PC
HDMI Audio
P7
SIF,AM
AV SW
JK3100
AV1_V
TV_LR/DTV_LR
TV/DTV
AV1_RED
IIC SW
AUDIO
IN/OUT
IN/OUT
AV1_L,ROUT
+5V
AV1
YPBPR
IC4801
R,G,B
F+15V
AV2_L,ROUT
DTV9V
AV2
V,R,G,B
A35
L,R
L,R
1.8V
3.3V
ROUT
F+15V
L,ROUT
8
Y
DVB_CVBS
+15V_S
HP L,R
SUB+5V
7
IC8302
FOR FACTORY USE
L,R
+9V
+1.8V
PB
A34
IC2012
LOUT
IIC_TUNER
V,Y,C
HP AMP
IIC2
AV3
AV2_LIN
AV1_GREEN
AV2_RIN
Q5606,07
AV1_BLUE
SUB+3.3V
Dig/Ana
Tuner
Tuner
IFD1/2
IIC_TUNER
XRST
L,R
IC2106
STB_RST
IC1102
AUDIO PROCESSOR
L,R
BUFFER
IC2403
AV1_LIN
AV1_RIN
STB3.3V
STB_RESET
DIGITAL
DEMODULATOR
DEMODULATOR
OFDM
DTV+9V
REMOCON
IC8301
SUB+5V
L,R
R_LED_ON
AV1_VOUT
EEPROM
AV2_VOUT
STB_LED
KEY1
AI_SENSOR
FAN SOS
FAN_MAX
3
+15V_S
FAN SOS
FAN_MAX
Q5561
IC5404
+3.3V
FHD+3.3V
DET_3
26
EEPROM
22
+5V(HDMI)
HDMI5V DET
HDMI_CEC
MAIN+3.3V
TMDS DATA
20
A11
26
DDC IIC
GH10
+5V
22
18
GH
+5V(S)
IC3801
GH11
20
HDMI_CEC
DDC IIC
HDMI EQUALIZER
HDMI IN 3
Q3802
MAIN+3.3V
HDMI3 IN
TMDS DATA
CLOCK
CLOCK
IC3802
18
12
12
Q5693
MAIN3.3V_SENSE
IC5405
+1.2V
MIHO+1.2V
G51
AV3
HEADPHONE
HP_L
10 15
AV3_Y
KEY1
HP_R
AV3_R
9
AV3_C
1
CONTROL
BUTTON
BUTTON
6
A51
4
15
2
10
AV3_L
1
3
9
3
2
6
AV3_V
4
6
7
10
2
11
12
9
17
18
16
19
3
14
8
15
13
20
4
1
5
FAN_A-C
4
D853
3
D852
9
7
OVER
VOLTAGE
VOLTAGE
+9/7.2V
FAN STOP
SOS DET
1
6
D854
IC850
A81
+15Vc_FAN
ECO_ON
2
5
STB5V
+15Vc_FAN
TUNER_SUB_ON
6
1
A6
P6
7
(LED:10 TIMES)
(LED:12 TIMES)
(LED:12 TIMES)
(+5.6V)
(LED:3 TIMES)
(LED:11 TIMES)
TH-46PY80PA, PZ80BA/EA
Block (3/6) Diagram
Block (3/6) Diagram
TH-46PY80PA, PZ80BA/EA
Block (3/6) Diagram
Block (3/6) Diagram
32
9.4.
Block Diagram (4/6)
G
R
SUB1.8V
SUB3.3V
STB5V
SUB5V
SUB5V
SUB3.3V
SUB5V
SUB3.3V
MIHO1.2V
FHD3.3V
X4200
D2520
HDMI
IIC2
Digtal
Video
Signal
Video
Signal
EEPROM
IC4511
+3.3V
IC8004
+5V(HDMI)
HDMI2
HDMI_CEC
LEVEL SHIFT
HDMI Rx/AD CONV.
+3.3V
SERIAL I/F
XRST
BUS
CONTROL
CONTROL
DDR2 SDRAM
CEC
IC4514
IC4513
DDR2 I/F
Q4503
A/D
+1.8V
+1.8V
DDC_IIC1
NAND
I/F
I/F
DDC IIC
TMDS
HDMI1
IIC1
DDCA_IIC
HDMI PROCESSOR
DDC_IIC0
LEVEL
SHIFTER
SHIFTER
IC8401
IC4515
SD BOO
T
ADDR/D
A
T
A
IC4510
DVB_CVBS
AUDIO
CEC
BA/EA ONLY
Q4502
DTV AUDIO SIGANAL
IC4512
IIC3
IC8554
IC8001
LEVEL SHIFT
DISPEN
VIDEO
Peaks-lite2
IC8002,03
5V<->3.3V
DDCB_IIC
IC8408,9
HDMI1
BUFFER
HDMI3
+5V
CLOCK
SW
11
CPU BUS
I/F
I/F
+1.8V
FLASH
MEMORY
MEMORY
Analog video signal
A52
CLOCK GEN
BUFFER
8
IC8404,5
IC8601
DDCC_IIC
SD D
A
T
A
DET2
+3.3V
CI SLOT
JK8401
IIC1
TEMP SENSOR
5V<->3.3V
Digtal
Audio
Signal
Audio
Signal
TMDS
HDMI2
DECORD
+1.8V
DDC IIC
IC4800
+5V
DET1
+5V(HDMI)
+1.8V
JK4500
JK4501
1
SUB+3.3V
(MAIN MCU+VIDEO SIGNAL PROCESSOR)
IIC0
IIC1
+1.2V
SUPPORT CARD CONNECTOR
JK8701
DISPEN
PANEL STATUS
2
IIC2
11
PANEL STB_ON
IIC1
PANEL SOS
IIC_DATA1
4
D3
A3
10
IIC_CLK2
3
8
IIC_CLK1
IIC_DATA2
7
1
SD I/F
TS
HSDIN
TS Parallel
TS Parallel
Main Picture
IC4200
MIHO
31
LVDS DATA
D5
A5
1
CLOCK
GEN
GEN
IC4203
27MHz
IIC0
OSD
VIDEO
LVDS Dual
Video 30bit
Local OSD
SD(0)
1
8
SD(3)
11
4bit
GS
52
52
JK7701
SUB+3.3V
SD CARD SLOT
PC2511
4
G_LED_ON
AI SENSOR
R_LED_ON
1
3
REMOTE
POWER LED
4
RMIN
2
A1
STB+3.3V
1
3
2
RM2501
GS SD CARD SLOT
AI SENSOR
POWER LED/REMOTE RECEIVER
K
17
18
16
15
20
19
14
13
12
9
6
11
5
10
8
7
4
3
1
2
AI_SENSOR
9
1
K1
A2
12
3
SUB+5V
TH-46PY80PA, PZ80BA/EA
Block (4/6) Diagram
Block (4/6) Diagram
TH-46PY80PA, PZ80BA/EA
Block (4/6) Diagram
Block (4/6) Diagram
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