Panasonic TX-P46U20E / TX-PR46U20 Service Manual ▷ View online
37
11.3. Block (2/4) Diagram
(LED:6TIMES)
(LED:7TIMES)
(LED:8TIMES)
(LED:4TIMES)
IC9400-02
IC9803
66
68
63
A32
10
63
3
A31
48
66
68
G
R
P+15V
P+3.3V
P+5V
AV3.3V
STB5V
STB3.3V
SUB9V
SUB9V
STB5V
P+15V
P+15V
AV3.3V
STB3.3V
D5000
D2520
Q5000
P+3.3V
STB1.2V
STB3.3V
STB1.2V
D5100
Q5101
Q5100
SUB5V
SUB5V
P+5V
P+3.3V
P+15V
P+3.3V
P+5V
X9300
P+1.2V
SOS7_SC2
P+3.3V
BUFFER
UHZ
SUSTAIN CONTROL
SOS6_SC1
PD4H
SOS6_SC1
P_S0
CONTROL DATA
P_S1
P+3.3V
CONTROL DATA
DISCHARGE CONTROL
1.2V
P+3.3V
VIDEO DATA
VIDEO DATA
SCAN CONTROL
30
VIDEO DATA
LVDS DATA
SOS8_SS
SOS8_SS
P_S0
IIC0
P_S1
18
SCAN CONTROL
P+15V
CONTROL DATA
SUSTAIN CONTROL
P+5V
PLASMA AI
CPG with SS
H/V Sync Control
Sub Filed Processor
C11
SOS7_SC2
29
+1.2V
VIDEO DATA
3.3V
IC9300
A
C21
DIGITAL SIGNAL PROCESSOR
P+5V
15
P+15V
1
16
STB+3.3V
IC9800
OSD VOUT
XRST_SYS_PD4
SOS7_SC2
SOS6_SC1
SOS8_SS
SC20
A20
C.A.T.S
REMOTE IN
K
REMOTE RECEIVER
POWER LED
C.A.T.S. SENSOR
POWER LED(R)
KEY SWITCH
KEYSCAN1
STB_RST
STB_RST
SOS_DCC
PANEL SOS
PANEL SOS
DRVRST_PD4
DRVRST_
PD4
SOS4_PS
UHZ
SOS4_PS
SOS_DCC
SOS6_SC1
SOS7_SC2
SOS8_SS
IC5000
ANALOG-ASIC
DRVRST_PD4
SOS_DCC
SOS_DCC
LVDS DATA
AV3.3V
4
RMIN
3
C.A.T.S
SN2510
6
4
G_LED_ON
C.A.T.S SENSOR
A1
STB3.3V
8
1
2
1
6
REMOTE
RM2510
R_LED_ON
3
K1
POWER LED
8
2
TV SUB ON
STB+1.2V
FLASH I/F
ADDR/DATA
FLASH
MEMORY
IC9304
STB5V_SW_ON
SW_OFF_DET
POWER_DET
STB_RST
STB5V_SW_ON
POWER_DET
FOR
FACTORY
USE
CN0102
G_LED_ON
KEY SWITCH
SW5152
SW5153
SW5154
SW5153
SW5154
F
TV
VOL.DN/CH.UP
AV
SW5150
SW5151
SW5151
VOL.UP/CH.UP
P ON/OFF
X0
X1
SC_UHZ
D_UHZ
XRST_SYS_PD4
DRVRST_PD4
SC_UHZ
D_UHZ
UHZ
+5V
IC9801
IIC1
IIC2
Genx_IIC
3.3V
10
9
1
6
7
3
4
11
12
5
2
8
(LED:6TIMES)
(LED:7TIMES)
(LED:9TIMES)
(LED:9TIMES)
(LED:8TIMES)
(LED:4TIMES)
38
11.4. Block (3/4) Diagram
COLD
HOT
(LED:4TIMES)
COLD
HOT
D251
D504
D402
F201
D552
F501
D351
F601
F602
D401
D551
D403
D705
RF601
+5V
D501
A6
4
PFC
Vsus
Q402
BIAS_PFC
F+15V
IC201
P35
2
Vsus_Vo
TV SUB ON
L402
10A 250V
F_15V_ON
7
SOUND+15V
MAIN SW_ON
IC551
STB5V_ ON/OFF
10A 250V
IC251
Q408
Q401
5
A7
PC202
PC502
Q503
10
IC202
L601,L602
Q602,Q603
NO USE
S1
S1
Vda
CONTROL
P9
BIAS_MAIN
MAIN RELAY_ON
Q403
STB+5V
VR251
IC601
SOUND+15V
Q355
9
Q557
1
1
3
L603
STB+5V
P+15V
12
Q504
14
C25
BIAS
Q404
IC352
F+15V
2
Q701
15V
P+15V
S0
Vsus
5A 250V
9
Q601,04,06
P25
LIVE
STB+5V
Q407
Q702
IC403
7
T201
K605
IC701
PC504
K602
Q502,05,06
F+15V
Vda
NEUTRAL
5
Q551
MAIN SW1
1
Vda
P11
BIAS_PFC
2
T501
S0
2A 250V
P2
2
ALL OFF
1
P7
NEUTRAL
ALL OFF
1
P+15V
MAIN SW2
TV SUB ON
BIAS_MAIN
Vda
K604
SS11
AC DET
SC2
Vda_Vo
S1
P+15V
Vsus
1
LIVE
4
Vsus
PC501
S0
Vda
IC501
P+15V
Q203
PC201
AC DET
P6
8
7
9
15V_IN
11
D603
L401
VR401
1
BIAS 5V
VSET1/VSET2
VSET1/2
Q251,Q252
Vda
DET
CONT
Q405
Q406
FET
DRIVER
VDET
1
3
P34
Vda
DET
Q706
L351
15V_OUT DET
P+15V
3
VGH
VGL
OCP
FB
VC1
STB5V_ON
8
Q201,Q202
RESONANCE
PHOTO COUPLER
PHOTO COUPLER
PHOTO COUPLER
COMPARATOR
RESONANCE
CONTROL
AC CORD
FILTER
RECTIFIER
PHOTO COUPLER
PHOTO COUPLER
STB
ERROR DET
CONTROL
STB
POWER MICOM
Vsus
ERROR DET
DET
PANEL_MAIN_ON
PANEL_MAIN_ON
SOS4_PS
SOS4_PS
PANEL_MAIN_ON
SOS4_PS
MAIN SW2
MAIN SW1
MAIN SW2
MAIN SW1
P
POWER SUPPLY
RECTIFIER
COLD
HOT
(LED:4TIMES)
COLD
HOT
PUSH
SW2500
1
S1B
3
POWER SWITCH
5V
STB_PS
S POWER SWITCH
39
11.5. Block (4/4) Diagram
(LED:8TIMES)
(LED:6TIMES)
(LED:7TIMES)
TPSOS8
D16282
TPVSUS
TPSS1
D16280
TPSC1
D16618
D16583
D16820
D16822
TPVAD
D16728
TPVSCN
D16490
D16920
D16493
TPSOS7
TPVSUS
TPSOS6
D16480
D16721
D16901
D16475
D16473
D16791
D16476
D16821
D16253
D16255
TPVE
L16303
VIDEO DATA
CONTROL DATA
PANEL DRIVER
5
PANEL DRIVER
C11
PLASMA PANEL
59
C20
6
CONTROL DATA
21
2
66
18
Vda
1
3
19
CB1
3
IC17101
C23
1
CB7
SOS8_SS
3
CB2
IC17202
BUFFER
BUFFER
IC17201
CB4
VIDEO DATA
Vda
SUSTAIN CONTROL
BUFFER
P35
SUSTAIN CONTROL
CB
12
CB
11
SS33
A31
1
DATA DRIVER (RIGHT)
C25
C1
C21
2
C2 DATA DRIVER (LEFT)
CB3
CB
10
SOS8_SS
Vda
6
CB6
CB8
1
CB5
7
CB
14
CB
13
A32
CB
15
CB9
16
1
Vda
20
C10
IPD CIRCUIT
1
PANEL SUSTAIN
SS
61
PLASMA PANEL
SCAN
ELECTRODE
DRIVER
IC14601-03
UEH
PLASMA PANEL
IC16131
ELECTRODE
2
SCAN
SCAN OUT (UPPER)
1
7
4
2
SCAN
8
IC14801-03
Q16023
DRIVER
6
1
ERROR DET
FPC DET
UMH
Q16280
1
DRIVER
ENERGY
SU
41
SS
SU1-SU4
SUSTAIN DRIVE
VSUS Gen.
SS
21
RECOVERY
CONNECTOR
UEH
IC14804-06
SUSTAIN
VE Gen.
BUFFER
(LOWER)
SS2
SUSTAIN CONTROL
13
IC14604-06
Q16001
6
1
SUSTAIN CONTROL
DRIVER
SCAN
SS
24
7
SD
Q16002
UMH
USL
SCNR_PRO
Q16101
SU
SS
64
SCAN OUT (LOWER)
5
UML
P11
1
DRIVER
LOGIC IC
IC16151
Vsus
C23
2
1
VHIZ
Q16041
DRIVER
SD
46
6
PANEL SCAN
2
8
USH
D16041
Q16051
2
SU
11
1
4
13
D16051
SOS8_SS
SS
58
7
7
PC16191
13
Q16102
UML
UML
SD
11
SS
11
USH
SS
33
Q16022
SD1-SD4
IC16241
SD
42
USL
IC14901,02,04
LED(G)
D16461
CPH1
(SC1)
CEL
PHOTO COUPLER
F16V GEN.
Vfo
PHOTO COUPLER
PHOTO
IC16490,91
Q16885
6
COUPLER
CEL
CIS
CEL
21
F16V
2
F16V
2
SC
50
1
SEL
CMH
CERS
VFG
SCAN DRIVE
Q16451
TP59,TP60
TP61,TP62
CSH/CMH GATE
DRIVE CIRCUIT
D16859
CSL/CML GATE
DRIVE CIRCUIT
CPH1
VHIZ GEN.
7
Q16401
PHOTO
COUPLER
Q16422
IC16501
Vsus
SC
18
ERROR DET
IC16724
CIS
P+5V
SHUNT
UHZ
SIU
IC16792,93
CRC1
T16471
Q16402
SHUNT
REG
REG.
COMPARATOR
Q16818
IC16521
IC16773
IC16692
Q16421
SIU
INVERTER
IC16661
Q16660
1
PC16684
PC16603
UHZ
Vad+5V
IC16691
OC1
SC2
IC16920
OC2
D16482
Q16601
Q16876
+5V
CLK
VSCN-F
CML
IC16471
Q16608
SC
20
COMPARATOR
20
7
CERS
4
5V_F
Q16621
OC1
BUFFER
SCAN CONTROL
P2
SC
46
CRC2
PC16480
A20
SCAN
CONTROL
INVERTER
CSH
VHIZ
35
CIRCUIT
SEPA PROTECT
IC16561,62
IC16771
CMH
CSL
Q16661
Q16490
VOL
8
Vfo
SC
42
ERROR DET
Q16607
1
CSL
CRC2
CSH
IC16581
CML
PC16685
OC2
SEL
CLK
IC16563
SOS6_SC1
6
CRC1
SC
41
NAND
SOS7_SC2
5
Q16441
8
P+5V
P+3.3V
P+15V
P+5V
P+5V
P+15V
P+3.3V
P+15V
P+5V
P+3.3V
P+3.3V
P+3.3V
Q16647
9
9
15V_F
Q16471
CHA
SCNR_PRO
CHA
2
SC JIG
Vscn
VFG
D16872
CMH
PHOTO
PC16461
(16V_F)
CSH
VRH
D16871
COUPLER
P+15V
MID
VRL
ERROR DET
LED(G)
IC16251
SHUNT
VE GEN.
D16316
PHOTO
COUPLER
REG.
PC16301
IC16304
IC16312
PC16722,23
IC16786,87
SHUNT REG
VAD GEN.
IC16784,85
IPD CIRCUIT
IPD CIRCUIT
PC16896,97
SHUNT REG
VSCN GEN.
(LED:8TIMES)
(LED:6TIMES)
(LED:7TIMES)
40
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