Panasonic TX-28DK1 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
E16A
1
M1
1
2
2
AV3
R
6 R
4 L
HEADPHONE
7 R
5 L
M4
1
M5
3
E17
10
M2
10
8
8
M - BOARD
IC251
Q2102
Q2103
5 R
R 7
Q252
Q251
2 L
L 11
AUDIO
OUTPUT
L
CONTROL BLOCK DIAGRAM
10
H3
1
E63
1
E18
6
5
4
3
SDA 1
SCL 1
SDA 2
SCL 2
SERVICE / TEST
IC1101
TUNER
IC601
50
SCL 2
SDA 2
4
3
SDA 1
SCL 1
Q451
71
60
Q854
52
Q853
74
81
AV2
8
10
AV1
8
10
12
Q856
75
Q851
Q1106
Q1105
Q1107
Q1104
51
72
73
AV LINK
SLOW 2
SLOW 1
SCL 1
SDA 1
59
58
Q3006
Q3007
55
VPROT
KEYSCAN
ON/OFF
R.C.
L.E.D.
PROT 1
SLOW 2
OUT
IN
S
L
OW
1
SERVI
C
E
SCL
SDA
48
49
SCL
SDA
H - BOARD
E - BOARD
3
IC3401
VIDEO
SWITCHING
IC2101
8
7
4
AUDIO
PROCESSOR
MICRO
PROCESSOR
VIDEO
PROCESSOR
IC1103
6
5
EAROM
Q1051
M1
8
E16A
8
7
7
M2
5
E17
5
IC1061
REMOTE
CONTROL
RECEIVER
D1061
Q1062
LOCAL
KEYS
SWITCH
MATRIX
M - BOARD
E9
3
P6
3
P - BOARD
Q580
RL580
44
POWER SUPPLY BLOCK DIAGRAM
11
M11
4
1
H - BOARD
D868
IC801
T801
IC251
D850
TUNER
Q850
IC851
IC853
D454
Q853
IC1101
IC1102
IC1103
IC2101
T802
RL801
5V SBY
5V SBY
5V
5V
IC601
8V
2
43
66
1
31
32
8
33
46
15
58
3
4
3
1
3
1
S4
B1
P2
P1
S5
S2
S7
10
T551
9
8
5
6
2
12V
200V
150V
-14V
14V
27V
150V
29V
7V
15V
5V
D867
Q852
Q854
Q855
1
D805
R805
R814
IC850
1
2
D862
R854
33V
16
IC1104
2
RESET
MICRO
PROCESSOR
AUDIO
PROCESSOR
VIDEO
PROCESSOR
EPROM
EAROM
IC1105
2
RESET
REG
REG
REG
IC3401
7
VIDEO
SWITCHING
IC701
6
EW
CORRECTION
POWER
SUPPLY
IC451
6
3
1
V-OUTPUT
AUDIO
OUTPUT
~
+
~
D801
E - BOARD
Y - BOARD
E3
2
Y3
2
E1
4
1
E2
2
1
R802
Line
Filter
E62
1
H3
2
IC351
6
RGB
OUTPUT
12V
Degauss Coil
F802
S
802
M10
4
1
Line
Filter
Mains
In
M - BOARD
M1
9
E16A
9
IC1061
REMOTE
CONTROL
RECEIVER
P5
1
E66
1
P - BOARD
1
1
54
5
RL580
36
PARTS LOCATION
12
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.
21
3
17
10
22
23
9
5
4
19
18
8
7
2
13
12
15
6
14
24
16
25
11
20
1
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