Panasonic TX-26LX500A, Service Manual

Page: 39 / 87

11.5. H-Board (2 of 3) Schematic Diagram
+
NP
+
+
+
+
+
+
+
+
+
+
+
+
+
+
NP
+
+
A
UDIOOUT_R
A
UDIOOUT_L
SUB_PB/C_OUT
MAIN_R
SDA1
MAIN_L
R_OUT
SCL1
SUB_CY/Y/V_OUT
A
V4C_YSW
AV4C_Y
A
V4C_PR
A
V4C_PB
V
OUT4
SUB_PB/C
MAIN_PR/B
MAIN_CY/Y/V/G
A
V
3_S
MAIN_RF
PC_LIN
A
V3_L
A
V2_R
A
V2_L
TV_L
TV_R
A
V1_R
A
V1_L
A
V4_R
A
V4_L
PC_RIN
A
V3_R
AV1_V
AV2_V
AV2_C
MAIN_CY/Y/V/G
MAIN_PB/C/R
MAIN_PR/B
SUB_CY/Y/V
SUB_PB/C
SUB_PR
SCL1 SD
A1
SD
A1
TV_R
MAIN_PR/B_OUT
HDMI_R
HDMI_L
SUB_PR
SOS2
SD_MONO_IN_R
MAIN_R MAIN_L
SD_A
UDIO_R_OUT
SD_A
UDIO_L_OUT
MAIN_CY/Y/V/G_OUT
MAIN_PB/C/R_OUT
SUB_PR_OUT
A
V3_C
AV3_V
AV3_Y
SD_REC_V
V
OUT5
VOUT3
MAIN_CVBS_OUT
VOUT5
SCL1
MAIN_PB/C/R
SUB_CY/Y/V
AA_HP_R
AA_HP_L
SD_MONO_IN_L
SD_VIN
AV1_C
AV1_Y
AV1_S
AV2_Y
AV2_S
TV_L
MSP
L_OUT AA_HP_MUTE
R3092
220
C3027
10V 1u
*R2157
220
R3090
47
D3021
MA3X152D0L
C0DBEZE00006
IC2107
1
Vin
2
ON/OFF
3
Vo
4
V
adj
5
GND
6
Vo
R3122
100
R2127
4.7k
C3041
50V
0.1u
D2108
MAZ81400ML
L2122
J0JCC0000100
C2195
50V
47p
C2143
50V
0.1u
R2249
2.2k
JS2101
0
R2172
220
R3080
0
R3118
100
C3046
50V
0.1u
*R2139
220
1%
R3138
82
C0ABBB000038
IC2104
1 2 3 4
5 6 7 8
JS2109
0
C3026
10V
1u
R2167
220
R3087 220
R2197
470
R2180
560
C2164
16V 1u
*R2140
220
Q2114
2SD13280TL
R2231
0
R3067
10k
C2160
16V
1u
*R3120
0
Q3011
2SA207700L
C2173
50V
0.01u
*R3173
270
R3224
1M
C2176
50V
0.01u
R2183
100
R3095
220
R3058
0
*R3119
0
R2164
220
D2120
MA3X152K0L
IC2106
C1AB00002135
1
NC
2
I2C_CL
3
I2C_DA
4
I2S_CL
5
I2S_WS
6
I2S_D
A_OUT
7
I2S_D
A_IN1
8
I2S_DEL_IN
9
I2S_DEL_OUT
10
I2S_DEL_CL
11
I2S_DEL_WS
12
D
VSUP
13
D
VSUP
14
D
VSS
15
D
VSS
16
D
VSS
17
IS2_D
A_IN2
18
NC
19
I2S_CL3
20
I2S_WS3
21
RESETQ
22
I2S_DA_IN3
23
I2S_DA_IN4
24
DACA_R
25
DACA_L
26
VREF2
27
DACM_R
28
DACM_L
29
DACM_C
30
DACM_SUB
31
DACM_SR
32
DACM_SL
33
SC2_OUT_R
34
SC2_OUT_L
35
VREF1
36
SC1_OUT_R
37
SC1_OUT_L
38
CAPL_A
39
AHVSUP
40
CAPL_M
41
SC3_OUT_R
42
SC3_OUT_L
43
AHVSS
44
AHVSS
45
A
GNDC
46
NC
47
SC4_IN_L
48
SC4_IN_R
49
ASG
50
SC3_IN_L
51
SC3_IN_R
52
ASG
53
SC2_IN_L
54
SC2_IN_R
55
ASG
56
SC1_IN_L
57
SC1_IN_R
58
VREFT
OP
59
SC5_IN_L
60
SC5_IN_R
61
A
VSS
62
AVSS
63
NC
64
NC
65
AVSUP
66
AVSUP
67
68
ANA_IN-
69
70
TESTEN
71
XTAL_IN
72
XTAL_OUT
73
TP
74
AUD_CL_OUT
75
NC
76
SPDIF_OUT
77
D_CTR_I/O_1
78
D_CTR_I/O_0
79
ADR_SEL
80
STANDBYQ
TP132
C0EBF0000354
IC2108
4
OUT
3 CD
1
VSS
2 VDD
R3074
220
R3061
220
C3055
10V
1u
C2177
50V
0.01u
R2171
220
Q2105
2SA207700L
1%
R3123
82
C2127
16V
100u
*R3117
100
C2129
10V
1u
C2119
25V
22u
R3178
0
R2246
470
R2244
0
TP134
C2352
16V
0.1u
R2152
47
C2214
50V
1000p
R3100
220
C2357
16V
100u
C3040
16V
0.1u
C2130
10V
1u
R3069
10k
Q2113
B1ABCF000138
R2195
0
C2132
25V
47u
C2161
16V
100u
C2201
50V 3p
R3125
1k
C3051
10V 1u
C2131
16V
0.1u
R2132
33k
R2168
4.7k
R3048
1.5k
R2169
4.7k
C2140
50V 0.1u
C2353
16V
100u
C2148
16V
1u
R2158
220
C2198
16V
100u
C3025
10V 1u
C2141
50V 0.1u
R2128
100
JS2106
L2113
J0JCC0000100
C2150
16V
1u
X2101
H0J184500027
R3094
220
C2348
0.1u
50V
C2190
16V
1u
D2111
MAZ81400ML
1%
*R3176
75
Q3008
2SA207700L
C2185
16V
0.1u
R2149
27k
R3073
0
R2181
560
L2110
J0JCC0000100
D3023
MA2J11100L
L2121
J0JCC0000241
D3024
MAZ31000ML
R3072
220
Q2102
2SA207700L
Q3009
B1ABCF000138
C2184
16V
0.1u
R2178
10k
1%
R3121
100
D2124
MAZ80560ML
C2146
16V
0.1u
C3043
10V
1u
C2350
50V
0.1u
C3039
50V
0.1u
R3063
220
*R3129
100
R2252
470
R3141
1k
C2207
16V
0.1u
R3127
1k
Q3015
2SA207700L
*C2135
16V 1u
D2116
MAZ81400ML
AN15861A-VT
IC2105
1
L1
2
R1
3
L2
4
R2
5
VCC1
6
VCC2
7
L3
8
R3
9
L4
10
R4
11
NC
12
L5
13
R5
14
L6
15
R6
16
L7
17
R7
18
L8
19
R8
20
MUTE
21
NC
22
VD
23
LOUT4
24
R
OUT4
25
LOUT3
26
R
OUT3
27
GND1
28
GND2
29
LOUT2
30
R
OUT2
31
ADR
32
SCL
33
SDA
34
LOUT1
35
ROUT1
36
BIAS
37
L9
38
R9
39
L10
40
R10
41
L11
42
R11
43
L12
44
R12
C2152
16V
1u
C2351
50V
10u
D2113
MAZ81400ML
C2183
50V
3.3u
1%
R2198
1.78k
R3051
10k
*C3074
50V
0.1u
L2104
ELJPA470KFB
L2117
ELJFA6R8KFB
L2107
J0JHC0000078
R3062
220
R3115
100
R3089
47
C3054
10V 1u
L2105
J0JHC0000078
JS2102
0
1%
R3167
75
R2179
10k
*R3085
220
1%
*R3168
75
D2119
MAZ31200ML
L2111
J0JCC0000241
R2173
220
R3065
6.8k
R2124
100
JS2108
C3032
10V
1u
R2162
220
L2115
J0JCC0000241
1%
R3166
75
C3022
10V 1u
C2189
16V
1u
C2133
50V 47p
C2204
50V
22p
R3059
220
*C2169
16V 1u
*R2133
0
C2159
16V
1u
R3099
220
C3057
50V
0.1u
R2154
47
R2121
0
*R3142
1.5k
R2196
0
R2151
0
R3162
100
C3056
10V 1u
D3020
B0BC3R400001
L2183
J0JCC0000241
R2137
33k
R2202
100
C3031
10V
1u
C3049
10V
1u
C2126
50V
1000p
R2192
220
L2178
J0JCC0000241
L2109
J0JCC0000100
*D2110
MAZ81400ML
L2120
J0JHC0000078
C2191
16V
0.1u
IC2103
AN77L08M-E1
IN
3
2
COM
OUT
1
C2149
16V
1u
*Q3018
2SA207700L
*C2136
16V 1u
*C2168
16V
1u
C1BB00000931
IC2101
1P
/S
W
2I
N
_
1
3
P
RE_GND
4I
N
_
2
5R
E
F
6
Vcc
7
OUT_2
8
PO
WER_GND
9
OUT_1
10
MT/SW
R2245
4.7
D2125
MAZ80560ML
C3052
10V 1u
R2148
27k
C2138
50V 0.1u
R2185
220
IC3005
AN15866A-VT
1
C3
2
S-3
3
V4
4
SA4
5
Y4
6
S-4
7
C4
8
VCC1
9
V5
10
SA5
11
Y5
12
S-5
13
C5
14
ADR
15
V6
16
GND1
17
V7
18
GND3
19
V8
20
SPD1
21
CY1
22
IPD1
23
PB1
24
APD1
25
PR1
26
SPD2
27
CY2
28
IPD2
29
PB2
30
APD2
31
PR2
32
SPD3
33
CY3
34
IPD3
35
PB3
36
APD3
37
PR3
38
PDD1
39
CY4
40
PDD2
41
PB4
42
PDD3
43
PR4
44
SD
A
45
SCL
46
V
out4
47
VCC2
48
Cout3
49
V
out3
50
PIN50
51
Y
out3/V
out5
52
PIN52
53
GND2
54
PRout2
55
PBout2/Cout2
56
CY
out2/Y
out2/V
out2
57
VCC3
58
PRout1
59
PBout1/Cout1
60
CY
out1/Y
out1/V
out1
61
V
out
62
DCout
63
Vin
64
O1
65
V1
66
O2
67
Y1
68
SA1
69
C1
70
S-1
71
V2
72
O3
73
Y2
74
SA2
75
C2
76
S-2
77
V3
78
O4
79
Y3
80
SA3
R2153
220
R2123
0
R2125
100
R2184
220
L2186
J0JCC0000241
D2109
MAZ81400ML
Q2115
2SD13280TL
C2199
50V
56p
*C3042
10V
1u
L2112
J0JCC0000241
C2142
50V 0.1u
R2166
100
*R3135
0
R2160
220
C2134
50V
47p
*R3116
100
*D2112
MAZ81400ML
C2192
16V
10u
JS2107
D2118
MAZ81400ML
R3050
10k
Q2104
2SA207700L
*Q3013
2SA207700L
D2104
MA3X152K0L
R3064
220
C2215
16V
0.1u
C3024
10V 1u
*R2147
47k
R3086
0
C3047
10V
1u
C3035
10V
1u
C3033
10V
1u
C3028
10V 1u
L2187
J0JCC0000241
C2125
50V
1000p
C2196
16V
0.1u
C2124
10V
2.2u
C3021
10V
1u
1%
R2201
1.6k
L2106
J0JHC0000078
C2347
22u
16V
C3050
10V
1u
R2165
100
L2184
J0JCC0000241
C2163
16V 1u
R2129
100
C2200
50V
47p
C2216
10u 10V
TP131
*C2151
1u
16V
C2147
16V 100u
C3036 10V
1u
R2187
220
Q2103
2SA207700L
C3038
16V
0.1u
R3126
100
R3060
220
C2206
16V
100u
C2123
10V
2.2u
*C2153
1u
16V
C2217
25V
47u
C3058
16V
470u
L2185
J0JCC0000241
C2178
16V
10u
*Q3023
B1ABCF000138
C2203
50V
10p
C2167
50V 0.1u
*R3171
470
C3029
16V
1u
1%
R3140
100
R2155
220
*R2177
220
C2154
16V
0.1u
*R2138
47k
C2349
10V
1u
C3059
16V
1u
R2182
100
L2108
J0JCC0000241
R2186
220
R3071
10k
R3139
1k
C2128
16V
0.1u
R3057
0
JS2105
*Q3012
2SA207700L
*R3124
1.5k
*R2159
220
C2166
50V
0.1u
C2139
50V
0.1u
C2174
50V
3300p
JS2111
R3161 2.2
Q3017
2SA207700L
L2179
J0JCC0000241
R2193
220
L2114
J0JCC0000100
*R3170
0
C2356
16V
0.1u
D2107
MAZ81400ML
C2155
16V
1u
C3044
16V
0.1u
R3068
75
1%
R3075
220
R2247
4.7
R2130
10k
D2115
MAZ81400ML
C2118
25V
22u
C2165
16V 1u
R2126
4.7k
C3053
10V
1u
*R3128
1.5k
C2181
16V
0.1u
C2162
16V 1u
C2179
16V
10u
R2170
220
C3045
50V
0.1u
R3106
0
R3049
10k
C2186
16V
100u
*R2176
220
R2248
33k
R3076
0
C3048
50V
0.1u
Q3014
2SA207700L
R2131
10k
C2202
50V
3p
L2182
J0JCC0000241
C3023
10V 1u
D3022
MA2J11100L
C2175
50V
0.01u
C2137
50V 0.1u
R2221
0
C2172
50V
3300p
R2156
220
C2157
16V
1u
L
HEADPHONE R
HEADPHONE L
R
GND
VCC
MAIN HP out
A
GNDC
D
VSUP
MAIN in
8V
SPEAKER L
SPEAKER R
AHVSS NC
SUB in
VREFT
OP
DELAY
MSP 5V
MSP
HP AMP
AMP
AUDIO SW
VIDEO SW
6
5
7
4
1
2
11
12
17
18
16
19
14
15
13
20
23
22
21
TXN/H10LWM
H-BOARD (2/3)
3
HP MUTE
HP MUTE
HP MUTE
AMP
AMP
AMP
AMP
SHORT SOS
SHORT SOS
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
18 16 12 10 11 15 14 13 17
0
3.7
0
0
0.4
3.7
0
7.9
3.7
3.7
0
6.7
0.4
7.0
0.4
0
0 4.5 0 0.5 0.4 0 0.5 0 0.4 0.5 0.6 0.6 4.9 4.9 1.5 0 0 4.9 0.5 0 4.1 2.4 2.4 4.1
5.0
2.1
2.3
0.6
0
1.5
5.0
0.5
1.5
2.3
5.0
0
0.6
0
0
0
3.7 3.7 3.7 3.7 0 3.7 3.7 0 0 0 0 3.7 3.7 0 0 3.7 0 0 0 3.7 3.7 3.7 3.7 2.6
2.5 5.0
8.7
0
8.7
5.0
4.3
4.3
4.3
4.3
4.3
4.4
4.4
4.3
4.3
4.3
4.3
8.7 8.7 4.3 4.3 0 4.3 4.3 4.3 4.3 4.3 4.3
4.3
4.3
4.3
4.3
4.3
0
3.9
4.3
4.3
4.3
0
4.3 4.3 0 0 4.3 4.3 4.3 4.3 4.4 4.3 0
0
8.7 8.0
0
0
0
0
0
8.7
0
8.0
0
0
1.1
0.5
0
1.1
0.5
3.7
0
4.3
3.7
0
4.3
2.2
0
0
TX-26/32LX500A/M/X H-Board (2 of 3) Schematic Diagram TX-26/32LX500A/M/X H-Board (2 of 3) Schematic Diagram
TX-32LX500M / TX-32LX500A / TX-32LX500X / TX-26LX500M / TX-26LX500A / TX-26LX500X
39