Panasonic TH-42PX20U-P Service Manual page 161

LD[0-15]
1
2
3
4
C2660
R2696
2200 0.1
C2657
0.1
C2658
22/6.3V
L2608
J0JHC0000018
C2663
1
5
6
7
C2661 R2704
0.1
33
8
8 9 10 11 12
OR GATE
IC2606
SN74LVC32APWR
(C0JBAF000231)
7 6 5 4 3
9
10
11
C2662
0.1
12
9 10 11 12 13 14
13
DEMULTIPLEXER
IC2607
SN74LVC139APWR
(C0JBAN000179)
8 7 6 5 4 3
14
15
16
17
TH-42PX20U-P JG-BOARD (2 of 5) Schematic Diagram
10 11
LD[0-15]
AVR 3.3V
IC2618
R5520H001B-T1-FB
6 1
5 2
4 3
R2693
10K
HD[0-15]
R2700
33
DD[7]
FLIP FLOP
HD[7]
HD[6]
R2701
33
13 14
DD[6]
R2702
DD[5]
33
HD[5]
HD[4]
R2703
33
DD[4]
2 1
15 16
2 1
12 13
PCC5V_ON
PCDIR
HA1 HA1
HA0 HA0
/HCS1
C2659
0.1
R2687
DD[0]
33
HD[0]
HD[1]
R2688
DD[1]
33
R2689
DD[2]
33
HD[2]
HD[3]
R2690
DD[3]
33
/PC_HI
/PC_LOW
/HWR
/HRD
IO/MEM
/HCS3
14 15
AVR 2.8V
IC2619
JG-BOARD TNPA2992 (2/5)
SPX1117M3-2.85L-T/R !
R2602
1 2 3
2.2/0.5W
TP2623
L2601
C2689 C2602
22 22/6.3V
C2606 LSLF0027
C2608
100/6.3V
100/6.3V
TP2622
AVR 3.3V
IC2601
BA033FP-E3
R2601
1/0.5W
1 3
2 C2607
C2601
47/6.3V 330/6.3V
AVR 3V
IC2620
SPX1117M3L-T/R
1 2 3
TP2621
R2604
1K
C2688
C2603
C2605 C2687
22
22 47/6.3V 10
C2604
R2603
1.8K 10
TH-42PX20U-P JG-BOARD (2 of 5) Schematic Diagram
16
21
22
23
24
25
26
27
28
17 18