Panasonic TX-22LT3 Service Manual page 80

8.10. DG-Board (4 of 5) Schematic Diagram
31
32
33
L3001
G1C100K00020
C3003
C3002 C3004
16V 6.3V
50V
0.1u 100u
0.01u
D3001
MAZ80560ML
AA_LCD_FCLK
D3002
MAZ80560ML
AA_LCD_FOUT
D3003
MAZ80560ML
AA_LCD_FIN
5V
C3001
0.1u
R3001
16V
10k
0 1 A0
0 2 A1
4.8
3 A2
0 4 VSS
IC3001
TVRN174
EPROM
34
35
TX-22LT3 DG-Board (4 of 5) Schematic Diagram
28
5V
R3045
100
R3047
100
R3013
47k
AF_BUSY
R3014
AF_PMUTE
R3007
AF_BUSSTB 47k
47k
AF_GRSTB
R3006
47k
R3046 47k
AF_PXCLK
R3009
R3008
AF_BUSDI 47k
47k
C3044
16V
0.1u
AF_BUSDO
R3010
47k
R3012
47k
C3005
16V
0.1u
R3004 R3051
R3005
10k
10k 4.7k
R3049
0
27k
8 5.0 0
VCC
Q3003
0
7 4.9
WP R3002 UNR521100L
100
6 4.8
SCL
5 4.8
SDA
R3003
100
R6016
330
0
0
R6009
0
330
R6069
0
Q6004
Green
0.7Vp-p B1ADCF000003
Green
DC:?V
R6017
330
1.0
0.4
R6070
0
0
R6007
330
Blue
Q6005
Blue
B1ADCF000003
R6018
330
1.0
0.3
R6012
0
330
R6071
Red
Q6006 0
B1ADCF000003
Red
R6027
0
FB
29
X3001
H0J400400006
R3015 R3016
R3017 R3019
47k
47k 47k
47k
0.7 1
0.6
2
0.6 3
0.6 4 LTPC_RST P97/TTG5
0.7 5 FRC PA4/CKOT P96/PPG4
TENI_POL PA3
0 6 P27/A23 P20/A16 P95/PPG3
READY
0 7 P30/ALE P21/A17 P94/PPG2
0.7 8 P31/RDX FLICKER
0 9 VSS (VEPP_ADJ)
0 10 P32/WRLX P91/OUT1
IC3002
0.7 11 P33/WRHX P90/OUT0
C2CBJG000406
0.7 12 BUSY_IN P87/IN3
0.7 13 PMUTE HWE(from TOT1)
(MB90F553APFV-G-C)
0.7
14 BUSSTRB HWS(from T0T0)
0.7
15 GRSTB
0 16 FCLK LCD MCU
0.3 17 FOUT
0.2 18 FIN HC(TIN0)
0 19 BUSCLK HC(TIN1)
0.2 20 BUSDI P77/IRQ7
SDA0 +5V
0.2 21 VCC SCL0 P76/IRQ6
LCD_MD2
0.3 22 BUSD0 SDA1 LCD_MD1 P75/IRQ5
0 23
0
24
0.2
25
R3048
C3045
27k
16V
0.1u
R3041
100
R3018 R3020
47k 47k
R3021
47k
R6184
R6072
0
0
R6185
R6073
0
0
R6186
R6074
0
0
R6190 R6033
0 220
30
AC_PANEL_ON
R1113
R1112
10k 10k
0.1
75
R3025
0
74
47k
0
73 R3026
47k
72 0
71 0.1
R3032
70 0 47k
69 0
68 0.1
67 0.1
R3027
66 0.1
R1114
47k C1066
1k
65 0
R3028
47k
0.2
64
0 R3029
63
47k
0.1
62
VSC 61 0.2
HWE 60 0.2
HWS 59 0.1
58 0.2
57 0.2
56 0.1 R3030
47k
55 0
54 0.1 R3037
R3033
47k
53 0.1 47k
0
52
51 0.2
R3036
390
R3034
100
D3004
C3046
MA2J72800L
16V
0.1u
R3031
R3050
47k
100
R3024
0
R6171
31
RESET
IC3003
C0EBB0000024
R3040
0.7 1 NC NC 8 0
12.7k
1%
0.7 2 IN 7 0
VCC
R3042 0.7
3 NC 6 4.8
OUT
10k
1%
0 4 GND Cd 5 1.2
5V
10V
1u
R3043
10k
R3035
390
4.3
0.2
0
Q300
UNR52110
R3038 R3039
10k 10k
0.1
0
0.7
0
Q3001
0.6
UNR521100L
0.5
Q3002
UNR521100L
0
R6034
47.5
1%
C6028
0.1u
R6191
16V
100
1% R6035 C6029
54.9
16V
1% 0.1u
R6036 C6030
16V
54.9
C603
R6192
1% 0.1u
16
100
0.1u
1%
R604
47.
R6177 R6178
27k 27k
AC_RGB-SDA
R6038 22
AC_RGB-SCL R6039 22
R6295 R6037
0 3.9k
1%
R6294
R6042 R6
6.8k
0
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