Panasonic Vieta TX-26LXD70A, Service Manual, Page: 42 / 79

12.11. H-Board (2 of 5) Schematic Diagram
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A
B
C
D
E
F
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H-BOARD TNPA4292DD(2/5 )
TX-26/32LXD70A
H-BOARD (2/5) Schematic Diagram TX-26/32LXD70A
H-BOARD (2/5) Schematic Diagram
7
8
9
10
+
+
+
+
+
+
RGB_CVBS MAIN_RGB_CVBS_OUT
AV2C_Y
AV2C_PB
AV2C_PR
MAIN_RF_CVBS
MAIN_RF_GND
PC_H
PC_V
SUB_PB_OUT
AV4_VGND
AV4_YGND
DVB_CVBS
AV3C_PB
PC_G
GUARD_G
PC_R
GUARD_R
PC_B
GUARD_B
AV4_V
AV4_Y
AV4_S
AV4_C
AV4_CGND
SUB_Y_OUT
GUARD_R
GUARD_B
GUARD_G
P_AVSW9V
P_AVSW9V2
MAIN_RGB_CVBS_OUT
MAIN_Y_OUT
MAIN_PB_OUT
MAIN_PR_OUT
SUB_PR_OUT
VIDEO_STATUS
SDA0B_5V
30V
SIF1
AFC1
AV1_Y
AV2_V
AV3_V
AV3C_Y
AV3C_PR
AV1_V
AV1_S
AV1_C
AV3C_YSW
AV2C_YSW
SDA0B_5V
SCL0B_5V
MAIN_TNR_SW1 MAIN_TNR_SW2
MAIN_RF_CVBS
MAIN_RF_GND
MAIN_Y/CBVS/G MAIN_Y_OUT
MAIN_PB/C/B
MAIN_PB_OUT
MAIN_PR/R MAIN_PR_OUT
SCL0B_5V
MAIN_TNR_SW1
MAIN_TNR_SW2
PC_H_IN
PC_V_IN
VOUT_FEED_B
VOUT
R3099 68
C3021
10V 1u
R3103
0
C
C
R3059
220
R3090 22
C
C3117
50V
0.1u
R3205
0
ERJ3GEY0R00V
DTV9V
*C3027
10V
1u
C3103
16V
10u
R3121
47
C
*R3175
68
C3277 50V
33p
*R3176
68
R3110
0
C3033
10V
1u
*C3066
10V 1u
C
*R3073
220
L3225
J0JCC0000241
C3278
50V
33p
C
C3024
10V
1u
C
*D3042
MAZ81400ML
*R3088
220
*D3043
MAZ81400ML
R3074
220
R3044
0
R3089 330
C
C
JS3032
Q3200
2SA207700L
C3078
6.3V
22u
C
*C3031
50V
0.1u
C
C
JS3208
ERJ3GEY0R00V
*D3041
MAZ81400ML
R3098
68
R3133
22
C3271
10u
16V
L3226
J0JCC0000241
CL3207
R3191 22
C
*R3068
75
1%
R3123
47
*R3348
68
C
C
C3043
10V 1u
*C3029
16V
1u
R3101 68
R3096
68
C3023
10V
1u
*TU3200
ENGF9701GF
BB
5
NC
6
SW1
7
SW2
8
+B
9
AUDIO_OUT
10
SIF_OUT
11
NC
12
SCL
13
SDA
14
RF_AGC
15
VB
16
NC
17
BTL
18
NC
19
AFT_OUT
20
VIDEO_OUT
21
*R3302
100
C
C
C
R3247
220
C
R3246
22
*R3072
220
C3281
16V
0.1u
CL3211
C
R3249
1.5k
*C3081
6.3V
100u
R3222
0
*R3305
100
C3052
10V 1u
C
R3244
22
C3280
50V
100p
C3116
50V
0.1u
R3065 220
R3240
560
1%
C
C
SUB5V
1%
R3137
100
R3140
47
*R3063
220
R3186
0
L3211
J0JGC0000021
CL3205
C
AN15876A-VT
IC3001
1
V4
2
S12
3
Y4
4
S22
5
C4
6
VCC2
7
LP5
8
V3
9
O3
10
Y3
11
GND2
12
C3
13
LP4
14
V2
15 16
Y2
17
S21
18
C2
19
LP3
20
V1
21
O2
22
Y1
23
O1
24
C1
25
VCC3
26
VOUT6
27
DCOUT
28
VOUT5FB
29
VOUT5
30
VOUT4FB
31
VOUT4
32
VOUT3FB
33
VOUT3
34
OUT2(Pr)
35
OUT2(Pb)
36
OUT2(CY)
37
GND3
38
OUT1(Pr)
39
OUT1(Pb)
40
OUT1(CY)
41
VOUT
42
HOUT
43
HVOE
44
VOUT7
45
VCC4
46
FBLOUT
47
FBL3
48
FBL2
49
FBL1
50
FBLOE
51
G1
52
VIN1
53
B1
54
HIN1
55
R1
56
GND4
57
G2
58
VIN2
59
B2
60
HIN2
61
R2
62
NC
63
G3
64
TEST
65
B3
66
NC
67
R3
68
NC
69
VCC1
70
NC
71
G4
72
LP1
73
B4
74
L31
75
R4
76
NC
77
G5
78
LP2
79
B5
80
L32
81
R5
82
GND1
83
SDA
84
SCL
85
FLAG
86
BIAS
87
V9
88
89
V8
90
91
V7
92
O4
93
V6
94
95
V5
96
S13
97
Y5
98
S23
99
C5
100
LP6
C3270
6.3V
1000u
R3243
270
SUB9V_VIDEO
L3206
J0JCC0000241
R3069
220
*R3349 68
R3045
0
C
*R3062
220
*R3174
68
C
L3207
J0JCC0000241
C
L3209
J0JGC0000021
C3276
16V
0.1u
R3100 68
C3115
50V
0.1u
C3272
50V
0.1u
D3044
B0BC01100001
C
C3275
16V
0.1u
C3055
10V
1u
C
C
C3056
10V
1u
R3087
220
R3097
68
C3279
16V
0.1u
C
R3168
220
C
C
BT30V
R3134
270k
R3064
220
C3053
10V 1u
R3239
220
C3273
10u
50V
C
C
1%
*R3233 75
C
C
C
C3026
50V
0.1u
C3054
10V
1u
R3111
22
C
JS3024
1%
*R3234
75
R3202
0
ERJ3GEY0R00V
C3075
16V
220u
JS3023
*C3028
10V
1u
R3266
1.5k
R3109
0
C3040
50V
0.1u
MAIN9V
C
C3051
10V
1u
R3102
0
C
R3104
0
C
VIDEO/1
AVSW/1
2Vpp to M2
1.12dB to ADV
1.12dB to ADV
1.12dB to ADV
<SLV WS90 / R91H>
Video SW
V1 V1_GND
+
C
C3118
16V
47u
1
2
3
4
6
5
*R3216
0
ERJ3GEY0R00V
SUB_ RF_ GND
TX-26LXD70A / TX-32LXD70A
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