Panasonic TH37LRT12U - HD LCD DISPLAY, Руководство по обслуживанию

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44
TH-32LRT12U-A * TH-37LRT12U/M/A
12.6. Main Board (5 of 15) Schematic Diagram
5 4 3 2 1
D
C
B
A
A
V
2_S
V
-Y_IN
A
V
1_S
V
-C_IN
A
V
2_C
V
BS_IN
A
V
1_C
V
BS_IN
A
V
3_AUDIO_R
A
V
3_S
V
-C_IN
A
V
2_S
V
-C_IN
A
V
3_S
V
-Y_IN
A
V
1_AUDIO_
L
A
V
2_AUDIO_R
A
V
1_AUDIO_R
A
V
2_AUDIO_
L
DT V _AUDIO_R
A
V
3_C
V
BS_IN
DT V _AUDIO_ L
DT
V
_S
V
-Y_IN
DT
V
_S
V
-C_IN
A
V
1_S
V
-Y_IN
MUX_AUDIO_R
MUX_AUDIO_ L
A
V
3_AUDIO_
L
SC
L
_5
V
SDA_5
V
A
V
2_AUDIO_
L
A
V
1_C
V
BS_IN
A
V
3_S
V
-Y_IN
A
V
1_AUDIO_
L
A V 3_AUDIO_R
A
V
3_S
V
-C_IN
A
V
2_S
V
-C_IN
A
V
3_C
V
BS_IN
A
V
2_S
V
-Y_IN
Tuner_C
V
BS_IN
A
V
1_AUDIO_R
A
V
2_AUDIO_R
DT
V
_AUDIO_R
DT
V
_AUDIO_
L
A
V
3_AUDIO_
L
SC
L
_5
V
SDA_5
V
A
V
1_S
V
-C_IN
A
V
2_C
V
BS_IN
A
V
1_S
V
-Y_IN
DT
V
_S
V
-Y_IN
DT
V
_S
V
-C_IN
MUX_AUDIO_R
MUX_AUDIO_
L
MUX_S
V
-Y
MUX_C
V
BS
MUX_S
V
-C
MUX_C
V
BS
MUX_S V -Y
MUX_S
V
-C
Tuner_C
V
BS
Tuner_C
V
BS_IN Tuner_C
V
BS
+8 V _A +8 V _M
+8
V
_M
GND_A GND_A GND_A
GND_A GND_A GND_A
GND_A GND_A
GND_A
V
GND_AU
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A GND_A GND_A
GND_A
V
A
V
3_S
V
-C_IN P(3)
A
V
3_S
V
-Y_IN P(3)
A
V
2_AUDIO_R P(3)
Tuner_C
V
BS_IN P(3,15)
SC
L
_5
V
P(3,10)
A
V
2_C
V
BS_IN P(3)
DT
V
_S
V
-C_IN P(3,15)
DT
V
_AUDIO_R P(3,15)
A
V
3_C
V
BS_IN P(3)
A
V
1_S
V
-Y_IN P(3)
A V 1_S V -C_IN P(3)
DT
V
_S
V
-Y_IN P(3,15)
A
V
2_S
V
-C_IN P(3)
A
V
2_S
V
-Y_IN P(3)
A
V
1_AUDIO_
L
P(3)
A
V
1_C
V
BS_IN P(3)
A
V
1_AUDIO_R P(3)
SDA_5
V
P(3,10)
DT
V
_AUDIO_
L
P(3,15)
A
V
2_AUDIO_
L
P(3)
A
V
3_AUDIO_
L
P(3)
A
V
3_AUDIO_R P(3)
MUX_AUDIO_
L
P(7)
MUX_AUDIO_R P(7)
MUX_C
V
BS P(7)
MUX_S
V
-Y P(7)
MUX_S
V
-C P(7)
AV3
DTV
AV1
AV2
AV2
AV1
AV2
Tuner
AV1
DTV
5V I2C CONTROLLER
SIGNALS
AV3
AV3
These components need to close to SPV7100
These components need to close to SPV7100
These components need to close to SPV7100
Use one pi filter for A
V
Mux C
V
BS Output
Modified by Monlong 2K70425
Use one pi filter for A
V
Mux S
V
-Y Output
Modified by Monlong 2K70425
Add the voltage divider for audio input signals
Modified by Monlong 2K70425
L14 belongs to 0ohm
C341,C344 belong to N.C
L18 1.8UH
Κ
--> 0ohm
C346,C347 2
Κ
20PF --> NC
C85
0.1uF
C86 0.47uF
C389
NC/220pF
R129 220
C92 0.47uF
C390
NC/470pF
R424 10K
C97 10nF
R326
NC/75
C95 10nF
C344
NC/220pF
C93 10nF
L
19
0/1.8uH
C90 10nF
C341
NC/220pF
C96 0.47uF
C350
NC/220pF
C0603
C94 0.47uF
L
20
0/1uH
R128 220
C98 10uF/16 V 1 2
C100 10uF/16
V
1 2
C392
NC/330pF
C102
10uF/16
V 1 2
R327
NC/75
L
18
0
C103 10uF/16
V
1 2
C105 10uF/16
V 1 2
C391
NC/470pF
C458 10uF/16
V 1 2
C89 0.47uF
C349
NC/220pF
C0603
U12 M52790FP
V
CC
1
V
2_IN
2
L
-CH2_IN
3
C2_IN
4
R-CH2_IN
5
Y2_IN
6
V
3_IN
7
L
-CH3_IN
8
C3_IN
9
R-CH3_IN
10
Y3_IN
11
V
4_IN
12
L
-CH4_IN
13
C4_IN
14
R-CH4_IN
15
Y4_IN
16
SC L
17
SDA
18
GN
D
19
CHIP SE
L
.
20
BIAS
21
R-CH2_OUT
23
C2_OUT
24
L
-CH2_OUT
25
V
2_OUT
26
Y1_OUT
27
R-CH1_OUT
28
C1_OUT
29
L
-CH1_OUT
30
V
1_OUT
31
Y_IN
32
R-CHT_IN
33
C_IN
34
L
-CHT_IN
35
TUNER_IN
36
Y2_OUT
22
+
C108
10uF/16
V
1
2
C498
0.1uF
R426
6K8
C459
10uF/16 V 1 2
R126 0 FB43 BEAD
C347
NC/220pF
Z66
ZMM55C6
V
8
1
2
C370
100uF/16
V
1
2
R325
NC/75
Z65
ZMM55C6
V
8
1
2
C346
NC/220pF
C88 0.47uF
R425 10K
C91 0.47uF
C87 0.47uF
R124 0
FB9
FB/1206/19-ohm
C101 10uF/16
V
1 2
L
14
0
C104 10uF/16
V
1 2
R122 0 C393
NC/220pF
C84
100uF/16
V
1
2
R427
6K8
C106 10uF/16
V 1 2
MAIN BOARD PCB-657-D (5/15) M52790FP
TH-32/37
L
RT12
Main Board (5 of 15) Schematic Diagram
TH-32/37
L
RT12
Main Board (5 of 15) Schematic Diagram
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