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TH37PR10U - 37" PLASMA TELEVISION
Service manual
P-Board Block Diagram - Panasonic TH-37PR10U Service Manual
High definition hospitality plasma display
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Also See for TH-37PR10U
:
Operating instructions manual
(48 pages)
,
Operating instructions manual
(48 pages)
,
Manual de instrucciones
(46 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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TH-37PR10U / TH-42PR10U
15.4. P-Board Block Diagram
P
POWER SUPPLY
LINE FILTER
L404
L405
D401
-
TO
AC CORD
IC411
F401
P9
ERROR DET
250V 8A
LIVE
4
Vref
1
F402
250V 8A
2
3
NEUTRAL
1
A
K
F403
T630mA
R413
250V
Q434
R435
R427
L410
LINE
R420
FILTER
R415
R410
D404
R407
-
+
D435
RECTIFIER
IC409
IPD
Source
8
Source
Source
7
Source
Source
5
Drain
D416
Control
Q411
TH-37/42PR10U
P-Board Block Diagram
T401
8
7
6
5
4
3
2
1
RECTIFIER
Q404,Q406
R405,D415
+
9
10
11
12 13
14
15
16
SW
PR402
Q401
R441
R472
R442
R445
R475
8
7
6
5
R479
R447
R480
IC406
VCC
R470
27.4kx6
L403
MOS
CURR
340kx6
DET
SW
DRIVE
PFC
Q402
CURR
COMP
D407
1
2
3
4
R455
Q420
R444
Q407
1
R443
2
Q422
PFC
3
D418
RL403
RL402
R411
ON
D522
D523
T410
RCC CONV.
(100KHz)
15
9
STB_12V
14
D511
13
STB5V
7
12
5
11
4
D509
7
D441
2
10
1
5V
MAIN
RUSH
RELAY
RELAY
2
ON
ON
3
4
1
IC408
4
Q501
PHOTO
COUPLER
Q502
3
2
Q410
IC504
ERROR DET
STB5V ON/OFF
3
2
1
ECO
4
1
IC412
PHOTO
3
2
COUPLER
HOT
COLD
HOT
COLD
11
10
PR401
D417
395V
F_5A_250V
12
9
Q412
D419
3
OSC
C446
6
D420
4
Q408
OSC
7
8
Q413
OVER
2
OSC
VOLTAGE
PROTECTION
(490V
80V)
15
5
Q409
16
1
OSC
T404
0.1
9
10
5
6
T402
C469
RESONANCE
CONVERTER
4
3
2
(120-145KHz)
12
13
15
16
IC520
BUFF
Q564
+
POWER
BUFF
-
Q565
CONTROL
(Vlow)
4
2
6
Q566
D602
Q536
Q507
7
10
Q540
HOT
COLD
T601
2
3
Q510
IC403
1
4
IC511
PHOTO
COUPLER
2
3
IC513
(AC DET)
Vda DET
RESET
4
1
IC401
PHOTO
RL401
3
2
COUPLER
(PFC_ON/OFF)
4
1
IC507
D701
PHOTO
3
2
COUPLER
IC501
POWER MCU
PANEL_
1
VDD
24
MAIN_ON
AC_DET/
2
VSS
23
F STB H
2
IC502
3
XIN
V LOW DET
22
1
AC_P_DET
4
XOUT
21
(FAIL:H)
RESET
X501
4NHz
AC_GO_L
20
GO:L
6
RESET
VSUS DET
19
ON:H
ON:L
7
18
STB PS
F_15V_ON/OFF
8
Vdat_GO_L
SOS4_PS
17
ON:L
ON:L
STB 5
9
PFC ON/OFF
16
ON/OFF
ON:H
ON:H
10
15
LOW 15
V LOW ON/OFF
ON:L
VSUS
11
MAIN RELAY(H)
14
ON/OFF
12
RUSH RELAY(H)
ALL OFF
13
Q537
Q521
Q569
82
IC512
Vdat OVER VOLTAGE
DETECTION(100V
25V)
ERROR DET
D540
Q527
(Vda)
D539
D531
D544
D545
K
73V
3
1
C555
R670
A
2
R665
D569
D506
R676
R674
R631
Vdat
D570
D536
15V
D571
Q520
Q517
D572
D549
R579
D579
PR509
D535
D521
Q509
VlOW DET
1
R661
2
BUFF
Vlow
3
Q541
PR601
IC508
R649
180k
x4
R650
Vlow
Q508
POWER
VlOW DET
5V OUT
CIRCUIT
DETECTION
(3V
1.0V)
Vsus 192V
IC509
VOLTAGE
R622
5
4
OUT
DETECTION
R648
(60V
40V)
Q530
R636
1
2
3
R626
Q535
Q525
K
Vref
3
1
R627
IC506
A
4
1
2
IC505
ERROR DET
R628
PHOTO
(Vsus)
3
2
Vsus
COUPLER
12V ON/OFF
Q554
Q563
Q553
POWER SOS
LED BLINKING : 4TIMES
IC510
PR505
DC-DC CONV.
2
OUT
Vcc
1
INV.
Q524
5
6
7
8
5
6
7
Q555
Q556
D
D
D
D
D
D
D
DC/DC CONV.
DC/DC CONV.
G
S
S
S
G
S
S
(15V)
(F STB 5V)
4
3
2
1
4
3
2
TH-37/42PR10U
P-Board Block Diagram
Vda75V
TO
P12
SS12
1
Vdat
2
Vdat
4
1
+15V
2
8
STB12V
10
STB_PS
3
TO
P11
SS11
1
Vsus
3
GND
TO
P2
SC2
1
Vsus
3
GND
NO
P5
USE
1
+15Vs(S)
2
+15Vc
3
+15Vs(S)
4
+15Vc
5
+15Vs(S)
10
STBY5V
12
F_STBY_ON
13
F_STB
15
F_STB
17
F_STB
16
ALL_OFF
18
AC_GOOD
20
+5Vc
TO
P6
DS6
1
+15Vs(S)
2
+15Vs(S)
3
+15Vs(S)
7
F_STBY
8
F_STBY
9
F_STBY
TO
P7
DS4
1
+15Vc
2
+15Vc
5
STBY5V
6
F_STBY_ON
8
ALL_OFF
9
AC_GOOD
10
+5Vc
TO
P25
D25
1
+15Vc
2
+15Vc
5
+5Vc
6
+5Vc
STBY5V
9
11
PANEL_MAIN_ON
12
SOS4_PS
13
VDATA_DET
8
D
S
1
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