Panasonic TX-28PK20F / TX-28PK20D Service Manual ▷ View online
CONTROL BLOCK DIAGRAM
STROMVERSORGUNGS BLOCKSCHEMA
13
F1
13
21
22
E70
13
21
22
E18
7
4
6
5
3
E8
6
SCL 1
SDA 1
SENSE
CONVERTER
68
54
17
20
29
62
IC1504
IC1503
67
21
DEFLECTION
PROCESSOR
PROCESSOR
IC1501
VIDEO
PROCESSOR
IC1502
C.I.P.
26
53
19
18
55
56
54
32
31
To Y2
F - BOARD
AV2
8
10
AV LINK
SLOW 2
AV1
8
10
12
SLOW 1
SCL 1
SDA 1
RC
SDA 1
SDA 2
SERVICE /
TEST
TEST
IC1101
TUNER
50
SCL 2
SDA 2
SDA 1
SCL 1
Q451
71
60
Q854
52
Q853
74
Q1052
81
Q856
75
Q851
Q1106
Q1105
Q1107
Q1104
51
72
73
59
58
Q3006
Q3007
55
VPROT
KEYSCA
N
ON/OFF
RC
LED
PROT 1
SLOW 2
OUT
IN
S
L
OW
1
SERVI
C
E
SCL
SDA
48
49
SCL
SDA
E - BOARD
IC2101
4
8
7
AUDIO
PROCESSOR
MICRO
PROCESSOR
IC1103
6
5
EAROM
Q1051
AFC
51
AF
C
IC601
5
VIDEO
PROCESSOR
IC601
5
AV VIDEO
SWITCH
Q601
E16A
8
7
M1
8
7
D1061
M - BOARD
D_CTR_OUT0
SCL 1
SCL 2
IC1061
REMOTE
CONTROL
RECEIVER
Q1062
LOCAL
KEYS
SWITCH
MATRIX
M2
6
E17
6
L/L’ POS/NEG
83
82
PO
S/
NEG
L/
L’
POWER SUPPLY BLOCK DIAGRAM
STROMVERSORGUNGS BLOCKSCHEMA
14
15V
M11
4
1
F - BOARD
D868
IC801
T801
IC251
D850
TUNER
Q850
IC851
IC853
D454
Q853
IC1101
IC1102
IC1103
IC2101
T802
RL801
5V SBY
5V SBY
5V
5V
8V
2
43
66
1
31
32
8
33
46
3
4
3
1
3
1
S4
B2
P2
P1
S5
S2
S7
10
T551
9
8
5
6
2
12V
200V
150V
-14V
14V
27V
150V
29V
7V
5V
D867
Q852
Q854
Q855
1
D805
R805
R814
IC850
1
2
D862
R854
33V
16
IC1104
2
RESET
MICRO
PROCESSOR
AUDIO
PROCESSOR
EPROM
EAROM
IC1105
2
RESET
REG
REG
REG
IC1501
31
C.I.P.
IC701
6
EW
CORRECTION
POWER
SUPPLY
IC451
7
9
2
V-OUTPUT
AUDIO
OUTPUT
~
+
~
D801
E - BOARD
Y - BOARD
E3
2
Y3
2
E1
4
1
E2
2
1
R802
Line
Filter
IC351
6
R OUT
12V
Degauss Coil
M10
4
1
Line
Filter
Mains
In
M - BOARD
E70
11
18
19
20
F1
11
18
19
20
IC1502
53
IC1503
VIDEO
PROCESSOR
IC1504
1
Deflection
Processor
Processor
CONVERTER
HOUT5V
3.3V
66
36
19
57
9, 25, 35
56, 57, 59
10
28
51
41, 51, 53
Q1502 /3 /5 /6 /8
/9 /11 /12
E8
1
Y2
1
D554
1
1
IC361
G OUT
IC371
B OUT
6
6
2
2
2
IC856
3
1
REG
IC855
1
3
REG
F801
1
5
1
54
D458
Q908
Q1504 /7 /10 /13
Q1501
4
IC601
VIDEO
SW
7
IC852
REG
3
1
9V
IC1061
REMOTE
CONTROL
RECEIVER
M1
9
E16A
9
E10
8
Z4
8
IC2302
AMP
IC2221
AMP
IC2201
AMP
8
4
4
Z - BOARD
PARTS LOCATION
EXPLOSIONSZEICHNUNG
15
NOTE:
The numbers on the exploded view below
refer to the mechanical section of the
Replacement Parts List.
The numbers on the exploded view below
refer to the mechanical section of the
Replacement Parts List.
Anmerking:
Die Nummer auf den mechanischen Teilen
Zeigt die Bezugsnummer der Ersatzteilliste
an.
Die Nummer auf den mechanischen Teilen
Zeigt die Bezugsnummer der Ersatzteilliste
an.
22
3
18
12
6
23
24
11
5
4
20
28
10
9
2
27
14
16
8
19
25
17
26
13
21
1
7
15
Teile, die mit einen Hinweis gekennzeichnet sind
wichtig für die Sicherhet. Solite ein Auswechsein
erfordelrich sein, sind unbdingt Originalteile
einzusetzen.
Bei der Bestellung von Ersatzteilen, di mit *
gekennzeichnet sind, geben Sie bitte unbedingt die
vollständige Typenbezeicnung mit an.
wichtig für die Sicherhet. Solite ein Auswechsein
erfordelrich sein, sind unbdingt Originalteile
einzusetzen.
Bei der Bestellung von Ersatzteilen, di mit *
gekennzeichnet sind, geben Sie bitte unbedingt die
vollständige Typenbezeicnung mit an.
Components Identified by mark have special
characteristics important for safety.
When replacing any of these components, use only
manufacturers specified parts.
* In case of ordering these spare parts, please
always add the complete Model-Type number to
your order.
characteristics important for safety.
When replacing any of these components, use only
manufacturers specified parts.
* In case of ordering these spare parts, please
always add the complete Model-Type number to
your order.
Important Safety Notice
ERSATZTEILLISTE
REPLACEMENT PARTS LIST
Wichtiger Sicherhitshinweis
Description
Cct Ref
Parts Number
Description
Cct Ref
Parts Number
COMMON PARTS
MECHANICAL PARTS
SPEAKER
1
EABG12505A2
TUNER
2
ENG29505GR
REMOTE CONTROL
3
EUR511211
PANASONIC BADGE
4
TBMA060
POWER BUTTON
5
TBX8E068
SPEAKER REFLECTOR
6
TKK8E026
SPEAKER NET
7
TKP8E1284
REAR AV PANEL
8
TKP8E1301
DOOR LID
9
TKP8E1316
REAR COVER
10
TKU8E00470-1
CABINET
11
TKY8E380-2
DEGUASS COIL
12
TLK8E05160
CONTROL BRACKET
13
TMW8E031
CHASSIS FRAME
14
TMX8E037
F P.C.B.
15
TNP8EF007AB
M P.C.B.
16
TNP8EM021AK
P P.C.B.
17
TNP8EP017AE
Y P.C.B.
18
TNP8EY018AE
Z P.C.B.
19
TNP8EZ003AB
POWER CORD
20
TSX8E0033
FOCUS LEAD ASSY
21
TXJ/FC0DEG
BATTERY COVER (REMOTE)
22
UR51EC904A
CRT FIXING SCREW
23
VP17005-32
C.R.T.
24
W66EKT10X71
ANODE CABLE
25
ZTBZAD550A
F.B.T.
26
ZTFM05010A
MISCELLANEOUS COMPONENTS
IC SOCKET
.
832AG11D-ESL
IC SOCKET
.
PCSZT-084A-1
SET FOOT (FRONT)
.
TBLG3019
SET FOOT (REAR)
.
TBLG3020
PRESET LABEL
.
TBM8E1935
BLANKING LABEL
.
TBM8E1936-1
AV PANEL LABEL
.
TBM8E1942
LID CATCH
.
TEK6940
BUTTON SPRING
.
TES8E021
LED COVER
.
TKP8E1288
I.R. COVER
.
TKP8E1300
SPEAKER HORN
.
TKXA04001A
BRACKET
.
TKZ8E0415
ROTATION COIL
.
TLK8E05165
LED HOLDER
.
TMW8E030
PCB BRACKET
.
TMX8E041
OUTER CARTON
.
TPC8E4748
CUSHION TOP
.
TPD8E687
CUSHION BOTTOM
.
TPD8E688
BATTERY PACK
.
UM-3DJ-2P
THERMISTOR
R842
232266296706
THERMISTOR
R843
232266296706
I.C.s
AUDIO OUTPUT
IC251
LA4282
RGB OUTPUT
IC351
TDA6111Q-N4
RGB OUTPUT
IC361
TDA6111Q-N4
RGB OUTPUT
IC371
TDA6111Q-N4
REGULATOR
IC381
TL431CLPM
VERTICAL OUTPUT
IC451
LA7845N
VIDEO SWITCHING
IC601
TEA2114
E/W CORRECTION
IC701
TEA2031A
POWER SUPPLY
IC801
STRF6656LF57
ERROR AMPLIFIER
IC850
SE140N
12V REGULATOR
IC851
AN7812LB1
9V REGULATOR
IC852
L78M09MRB
8V REGULATOR
IC853
AN78L08TA
REGULATOR
IC855
BA033T-M3
5V REGULATOR
IC856
AN7805LB
LED RECEIVER
IC1061
RPM6937-V4
MICRO PROCESSOR
IC1101
SDA5450C59
EPROM *
IC1102
27C2001-N06
RESET
IC1104
MN1381-R(TA)
RESET
IC1105
MN1381-T(TA)
VIDEO PROCESSOR
IC1501
VPC3215CB8TP
C.I.P.
IC1502
CIP3250APSB1
MICRO PROCESSOR
IC1503
SDA9400
VIDEO PROCESSOR
IC1504
DDP3310BPSE4
EARTH CORRECTION
IC1900
LA6515
AUDIO PROCESSOR
IC2101
MSP3410DPOC5
OPERATIONAL AMPLIFIER
IC2201
AN6554NSF-E2
OPERATIONAL AMPLIFIER
IC2221
AN6554NSF-E2
AMPLIFIER
IC2302
BA15218F-E2
FUSES
FUSE HOLDER
F802-2
EYF52BC
FUSE HOLDER
F802-1
EYF52BC
FUSE
F802
XBA2C50TH15
DIODES
DIODE
D101
MA3020TX
DIODE
D102
MA3020TX
DIODE
D251
MA2180BLFS
DIODE
D253
MA700TA5
DIODE
D254
MA700TA5
DIODE
D351
ERA15-04V3
DIODE
D352
ERA15-04V3
DIODE
D361
ERA15-04V3
DIODE
D362
ERA15-04V3
DIODE
D371
ERA15-04V3
DIODE
D372
ERA15-04V3
DIODE
D376
MA165TA5
16
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