Panasonic TX-28LK10P / TX-25LK10P Service Manual ▷ View online
AUDIO BLOCK DIAGRAM
9
TUNER
Q101
Q102
IC2101
AV2
AV1
DACM_R 24
SC3_IN_L 37
SC1_OUT_R 30
SC1_OUT_L 31
1 R OUT
3 L OUT
1 R OUT
3 L OUT
2 R IN
6 L IN
2 R IN
6 L IN
47 ANA_IN1+
DACM_L 25
SC3_IN_R 38
SC1_IN_R 42
SC1_IN_L 41
SC2_OUT_R 27
SC2_OUT_L 28
SC2_IN_R 40
SC2_IN_L 39
E - BOARD
AUDIO
PROCESSOR
Q2303
Q2301
AUDIO
MONITOR
OUT
Q2302
22 DACA_L
Q2304
21 DACA_R
AV3
R
3 R
2 L
HEADPHONE
4 R
1 L
E7
1
E6
3
IC251
Q2102
Q2103
5 R
R 7
2 L
L 11
AUDIO
OUTPUT
L
CONTROL BLOCK DIAGRAM
10
F1
13
21
22
Y2
6
E70
13
21
22
E18
7
4
6
5
3
E8
6
SENSE
SCL 1
SDA 1
UP-CONVERTER
68
17
20
IC1504
IC1503
67
21
DEFLECTION
PROCESSOR
PROCESSOR
IC1501
VIDEO
PROCESSOR
IC1502
C.I.P.
55
56
32
31
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
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
3
4
8
7
AUDIO
PROCESSOR
MICRO
PROCESSOR
IC1103
6
5
EAROM
Q1051
AFC
61
AF
C
IC601
5
AV VIDEO
SWITCH
Q601
E19
4 8
N1
4 8
D1061
N - BOARD
D_CTR_OUT0
SCL 1
SCL 2
IC1071
REMOTE
CONTROL
RECEIVER
LOCAL
KEYS
SWITCH
MATRIX
Y - BOARD
Q351
Q361
Q371
Q2303
Q2301
D_CTR_OUT1
MUTE
Q855
POWER SUPPLY BLOCK DIAGRAM
11
Mains
In
W2
4
1
W1
4
1
15V
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
COMPONENT
INTERFACE
PROCESSOR
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
N - BOARD
E70
11
18
19
20
F1
11
18
19
20
IC1502
53
IC1503
VIDEO
PROCESSOR
IC1504
1
DEFLECTION
PROCESSOR
PROCESSOR
UP-CONVERTER
HOUT5V
3.3V
66
36
19
57
9, 25, 35
56, 57, 59
10
28
51
41, 51, 53
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
D458
Q908
Q1501
4
IC601
VIDEO
SW
7
IC1061
REMOTE
CONTROL
RECEIVER
N1
2
E19
2
Q1509
Q1511
Q1513
Q1510
Q1512
Q1502
Q1503
Q1504
Q1505
Q1506
Q1507
Q1508
Line
Filter
W - BOARD
PARTS LOCATION
12
NOTE:
The numbers on the exploded view below
refer to the exploded view section of the
Replacement Parts List.
refer to the exploded view section of the
Replacement Parts List.
12
4
19
18
20
11
23
6
1
15
17
14
3
5
7
9
21
24
16
13
22
10
2
8
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