A-Board (4 Of 5) Schematic Diagram - Panasonic TC-20LB30 Service Manual

10.7. A-Board (4 of 5) Schematic Diagram

A-BOARD TNPH0580 (4/5)
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TC-20LB30 A-Board (4 of 5) Schematic Diagram
28
D909
MAZ80510ML
D910
MA2J11100L
MAIN5V
C4282
50V
100p
C4283
10V
1u
29
R925
0
C929
16V
330u
R905
820
*
R903
100k
R907
0
R900
33
D900
MAZ80330HL
C903
50V
330u
JS902
0
TV5V
R948
C901
2.2k
16V
0.1u
JS901
0
D912
MAZ81300ML
IC906
C0DBEZE00005
MAIN 2.5V
MAIN2.5V
C931 C932 C933
R928 16V
R929 16V
10V
100u
1.5k 0.1u
1u 1.5k
Q4035
B1DHDC000021
4.8 4.8
4.8 4.8
4.8 0.2
R4295
R4293
22k 1k
0
Q4036 3.1
Delay
UNR521100L
0
30
TO
LCD PANEL
K1KA20A00272 A8
IC901
C0DAAZG00006
SUB 11V
L902
82u
IC902
R908
4.87k
C0DBEZE00005
D902
B0JANG000003
C905
R909 MAIN 3.3V
16V
820
470u
JS903
0
IC903
C0CBAYF00004
MAIN9V
SUB 9V
11.0
3
JS904
0
C907
C909
50V
16V
10u
0.1u
C904
16V
0.1u
L4023 R055
0 0
AB_DCC_B0
C4284 C4285 C4286
50V 50V
16V
AB_DCC_B1
0.01u R4296
0.01u 47u
100
AB_DCC_B2
R4297
0
31
AB_INV_O
9.0
2
OUT
7.8
ADJUST
1
IN
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31