Panasonic TX-28SL20C Service Manual ▷ View online
CONTROL BLOCK DIAGRAM
STROMVERSORGUNGS BLOCKSCHEMA
F1
13
21
22
E70
13
21
22
SCL 1
SDA 1
E8
6
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
E18
7
6
5
4
3
SDA 1
SCL 1
SDA 2
SCL 2
SERVICE /
TEST
TEST
IC1101
TUNER
50
SCL 2
SDA 2
SDA 1
SCL 1
Q451
71
LOCAL
KEYS
SWITCH
MATRIX
60
Q854
52
Q853
74
Q1052
81
Q856
75
Q851
Q1106
Q1105
Q1107
Q1104
51
72
73
59
58
Q3006
Q3007
55
VPROT
KEYSCAN
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
61
AF
C
IC601
5
VIDEO
PROCESSOR
IC601
5
AV VIDEO
SWITCH
Q601
N1
E19
4
8
4
8
IC1071
REMOTE
CONTROL
RECEIVER
D1071
N - BOARD
D_CTR_OUT0
12
POWER SUPPLY BLOCK DIAGRAM
STROMVERSORGUNGS BLOCKSCHEMA
15V
W2
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
N - BOARD
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
IC601
7
E19
2
N1
2
IC1071
REMOTE
CONTROL
RECEIVER
Degauss Coil
W1
4
1
Line
Filter
Mains
In
W - 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
VIDEO
SW
IC856
3
1
REG
IC855
1
3
REG
F801
1
5
1
54
D458
Q908
Q1504 /7 /10 /13
Q1501
4
13
PARTS LOCATION
EXPLOSIONSZEICHNUNG
14
NOTE:
The numbers on the exploded view below
refer to the mechanical section of the
Replacement Parts List.
refer to the mechanical section of the
Replacement Parts List.
Anmerking:
Die Nummer auf den mechanischen Teilen
Zeigt die Bezugsnummer der Ersatzteilliste
an.
Zeigt die Bezugsnummer der Ersatzteilliste
an.
20
9
18
11
23
1
10
6
5
22
4
19
12
2
8
14
13
21
25
16
3
17
15
24
7
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.
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.
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
MECHANICAL PARTS
C.R.T.
1
A66ECF50X82
SPEAKER
2
EASG15S505A2
TUNER
3
ENG27507GR
REMOTE CONTROL
4
EUR511211
PANASONIC BADGE
5
TBM8E1728
POWER BUTTON
6
TBX8E056
DOOR LID
7
TKP8E1235-2
REAR AV PANEL
8
TKP8E1296-1
BACK COVER
9
TKU8E00320
CABINET
10
TKY8E307
DEGAUSS COIL
11
TLK8E05140
CHASSIS FRAME
12
TMX8E042
E P.C.B.
13
TNP8EE013AG
F P.C.B.
14
TNP8EF007AA
N P.C.B.
15
TNP8EN016AA
P P.CB.
16
TNP8EP017AA
W P.C.B.
17
TNP8EW002AA
Y P.C.B.
18
TNP8EY018AA
MODEL LABEL
19
TQF8E2928
POWER CORD
20
TSX8E0027
FOCUS LEAD ASSY
21
TXJ/FCODEG
BATTERY COVER (REMOTE)
22
UR51EC904A
CRT FIXING SCREW
23
VP17005-32
F.B.T.
24
ZTFM05008A
ANODE LEAD
25
ZTUZAE550A
MISCELLANEOUS COMPONENTS
FIX CLIP
31221212478
IC SOCKET
832AG11D-ESL
RELAY
F9-4-220
84 PIN IC SOCKET
PLCC-84-T
PRESET LABEL
TBM8E1840
LID CATCH
TEK6940
POWER BUTTON SPRING
TES8E015
LED HOLDER
TMW8E027
OUTER CARTON
TPC8E4813
TOP CUSHION
TPD8E655
BOTTOM CUSHION
TPD8E656
BATTERY PACK
UM-3DJ-2P
PCB BRACKET
PCH2
TMX8E041
PCB BRACKET
PCH3
TMX8E041
THERMISTOR
R802
232266296706
INSTRUCTION BOOKS
GERMAN
TQB8E2890A
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
LA7876N
VIDEO SWITCHING
IC601
TEA2114
E/W CORRECTION
IC701
TEA2031A
POWER SUPPLY
IC801 STRF6654LF57
ERROR AMPLIFIER
IC850 SE140N
12V REGULATOR
IC851 L78M12MRB
8V REGULATOR
IC853 AN78L08TA
REGULATOR
IC855
BA033T-M3
5V REGULATOR
IC856 AN7805LB
LED RECEIVER
IC1071
RPM6937-V4
MICRO PROCESSOR
IC1101
SDA5450C59
EPROM *
IC1102
27C2001-M0M
EAROM *
IC1103
XDG2-01MF
RESET
IC1104
MN1381-R(TA)
RESET
IC1105
MN1381-T(TA)
VIDEO PROCESSOR
IC1501
VPC3215CB8TP
C.I.P.
IC1502
CIP3250APSB1
MICRO PROCESSOR
IC1503
SDA9401
VIDEO PROCESSOR
IC1504
DDP3310BPSD3
AUDIO PROCESSOR
IC2101
MSP3400CPOC8
FUSES
FUSE
F801
19181-3.15
FUSE HOLDER
F8011 EYF52BC
FUSE HOLDER
F8012 EYF52BC
DIODES
DIODE
C1130 MTZJT-775.6C
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
DIODE
D377
MA165TA5
DIODE
D378
MA165TA5
DIODE
D387
MA2160LFS
DIODE
D453
MA165TA5
DIODE
D454
EU02
DIODE
D456
MTZJT-775.6C
DIODE
D457
MA165TA5
DIODE
D458
EU02
DIODE
D502
1SR124-4AT82
DIODE
D511
MA4047
DIODE
D553
1SR124-4AT82
DIODE
D554
1SR124-4AT82
DIODE
D556
MA165TA5
DIODE
D557
TVSRU2AMLFA5
DIODE
D558
EU02
DIODE
D560
RH3GLF102
DIODE
D580
FMV-3GULF730
15
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