11.11. A-Board (3 of 4) Schematic Diagram
TC-26/32LX1H,TC-32LX1DJ
TX-26/32LX1A/M/T/X
A-Board (3 of 4) Schematic Diagram
TC-26/32LX1H,TC-32LX1DJ
TX-26/32LX1A/M/T/X
A-Board (3 of 4) Schematic Diagram
+
+
+
+
+
+
+
+
+
+
+
Thermal Pad
+
+
+
+
+
+
Thermal Pad
+
+
+
+
+
+
+
+
+
+
AJ_SCL1
AV3_LIN
AV3_RIN
AV3_S_DET
L+
R+
AAH_HP_R
TV1_R
TV1_L
MAIN9V
AJ_SDA1
AA8V
L-
R-
AAH_HP_L
AV3_YIN
AV3_CIN
AV3_VIN
SOUND14V
SOUND14V
R2230
2.2
C2142
50V 10u
R2244
0
R2190
220
L2109
ELESN6R8KA
C1AB00001755
IC2102
MSP3410G-QA-B8-V3
1
NC
2
I2C_CL
3
I2C_DA
4
I2S_CL
5
I2S_WS
6
I2S_DA_OUT
7
I2S_DA_IN1
8
ADR_DA
9
ADR_WS
10
ADR_CL
11
DVSUP
12
DVSUP
13
DVSUP
14
DVSS
15
DVSS
16
DVSS
17
I2S_DA_IN2
18
NC
19
NC
20
NC
21
RESETQ
22
NC
23
NC
24
DACA_R
25
DACA_L
26
VREF2
27
DACM_R
28
DACM_L
29
NC
30
DACM_SUB
31
NC
32
NC
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
NC
42
NC
43
AHVSS
44
AHVSS
45
AGNDC
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
VREFTOP
59
NC
60
MONO_IN
61
AVSS
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
NC
77
D_CTR_I/O_1
78
D_CTR_I/O_0
79
ADR_SEL
80
STANDBYQ
C2239
10V
1u
C2203
25V
470u
C2161
16V
0.1u
C2231
35V
47u
C2176
50V
10p
A3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
TP3291
R2234
2.2
TP3298
C2162
50V
10u
TP2101
C2150
16V
0.1u
R2231
2.2
D2105
B0JCME000025
C2222
50V
1000p
TP2105
L2114-A
220u
C2241
10V
1u
R2229
2.2
TP3295
R2247
0
R2168
100
R2173
220
L2103
J0JCC0000100
R2195
100
MAIN9V
C2237
50V
6800p
R2405
10k
C2206
100u
16V
C2230
2.2u
50V
C2238
50V
0.01u
L2101
J0JCC0000241
C2234
50V
2.2u
R2251
100
TP3297
C2213
50V
2.2u
C2152
50V
3.3u
1/2W
R2237
10
C2229
50V
33u
C2132
50V
1000p
D2106
B0JCME000025
FL3117
J0HAAC000010
1
2
3
C2133
50V
1000p
R2170
0
R2225
100
R3562
0
TP3286
C2232
50V
33u
C2205
100u
16V
R3634
0
C1BA00000278
IC2302
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
C2138
50V
0.01u
Q2126
2SC584500L
R2268
10k
R2233
2.2
TP3292
FL3118
J0HAAC000010
1
2
3
L2104
J0JHC0000078
C2257
22u
50V
R2202
220
C2220
50V
0.047u
TP3293
C2233
2.2u
50V
R2260
10k
SOUND_14V
C2245
10V
1u
C2173
50V
56p
C2174
16V
0.1u
Q2118
2SD1266AQ0LB
R2276
1k
TP2106
R3635
0
C2307
16V
0.1u
C2168
16V
100u
Q2117
2SD1266AQ0LB
R2266
10k
C2258
22u
50V
R2226
100
R2240
27
JS2112
C2153
16V
0.1u
R3600
0
C2154
16V
470u
C2221
50V
1000p
R2196
100
C2240
50V
0.01u
C2235
50V
6800p
TP3289
R2254
0
C2211
50V
0.1u
R2252
0
TP2103
R2239
27
L2116-A
220u
MAIN9V
TP2104
TP3287
C2215
50V
0.1u
C2143
50V
10u
TP3296
C2304
16V
0.1u
R2236
0
C2212
50V
0.1u
R2205
470
C2172
50V
47p
C1BA00000278
IC2301
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Q2125
2SC584500L
R2197
0
R2295
6.8k
A22
1
2
3
C2247
50V
10u
R2232
2.2
A21
1
2
3
R2255
12k
C2228
35V
47u
R2249
100k
C2158
16V
100u
C2236
50V
2.2u
R2191
220
C2224
35V
220u
R2248
100k
MAIN5V
R2274
1k
C2214
50V
0.1u
TP3294
TP2102
C2225
35V
220u
C2163
10V
1u
C2160
16V
0.1u
C2219
50V
0.047u
R2292
1k
L2107
J0JCC0000241
R2250
100
R2184
10k
Q2127
2SC584500L
C2250
50V
0.01u
C2147
16V
0.1u
TP3290
C2178
50V
22p
C2204
25V
470u
C2218
25V
470u
R2186
0
R2235
0
R2238
10
R3369
0
C2140
50V
0.01u
R2171
0
C2166
50V
0.01u
C2305
16V
0.1u
R2178
100
R3563
0
R3329
1k
R2269
100k
C2170
50V
1p
R2208
100
R3633
0
C2217
25V
470u
R2294
6.8k
C2156
16V
0.1u
JS2111
C2136
50V
0.01u
R2259
20k
R2169
100
TP3288
R2174
220
R2253
12k
C2180
50V
10p
C2171
16V
100u
C2169
50V
1p
R2189
0
R2293
1k
C2306
16V
0.1u
R2200
0
R2261
20k
C2244
10V
1u
L2105
J0JCC0000241
X2101
H0J184500020
C2141
50V
0.01u
IC2106
AN77L08M-E1
IN
3
2
COM
OUT
1
R2258
10k
Q2124
2SC584500L
R2198
0
C2165
50V
47p
D2101
MA3X152E0L
C2216
50V
2.2u
8V
KEYSCAN
GND
GND
S
Y
Y_GND
C
V
GND_C
GND_V
SL
SR
ROUT
LOUT
GND_HP
GND
HP_DET
V2_DET
GND_SR
GND_SL
H/P
FILTER
Vcc
ON TIME
NC
HP IN
SW
NC
FILTER
STB SW
SW
SW
SW
6dB
B
POWER GND
POWER GND
DRV
SW
SW REG.PART
POWER GND
To SP(L)
Vcc(SW)
POWER GND
H/P
OUT+
SW GND
LIPPLE
NC
POWER GND
SW
6dB
STB SW
OUT
NC
BEEP
STB SW
OUT-
Vcc(SW)
FILTER
E
FILTER
STB SW
LIPPLE
NC
IN
ON TIME
NC
L
LIPPLE
B
PRE GND
HLS
SW
NC
LIPPLE
HP OUT
BEEP
NC
SW GND
OUT-
HLS
HP IN
OUT
NC
AMP
SW
R
POWER GND
E
SW REG.PART
AMP
DRV
PRE GND
OUT+
HP OUT
IN
HP/SP AMP(L)
To SP(R)
NC
22
18
16
21
20
23
19
17
54
52
53
51
43
41
48
44
47
45
46
50
42
49
27
30
31
26
24
25
28
23
29
21
22
MAIN SOUND AMP
HP/SP AMP(R)
8.4
0
0
0
0
0
0
0
0.1
0.1
0
0
0
0
0
0
0
0
0
2.1
TO
(K3)
K-BOARD
1.7
0
3.4
0
2.6
0
0
0
14.0
3.3
13.0
3.4
0
0
3.4
14.0
0
2.7
1.7
3.0
3.4
3.3
3.6
3.4
0
0
14.0
13.2
1.7
0
3.4
0
2.6
0
0
0
14.0
3.3
13.0
3.4
0
0
3.4
14.0
0
2.7
1.7
3.0
3.4
3.3
3.6
3.4
0
0
14.0
13.2
MSP
7.0
0
0
3.8
0
3.7
3.7
0
8.0
8.0
0
0
0
0
0
3.9
0
0
3.7
3.7
0
0
3.7
0
3.7
0
0
0
2.5
4.4
4.4
0
3.6
3.7
0
3.7
3.7
0
0
0
5.0
5.0
0
0
0
0
0
0
0
0
0
5.0
2.1
2.1
1.4
1.4
0
4.6
0
0
4.6
0
5.0
4.6
5.0
0
0
0
0
5.0
0
0
0
0
0
0
0
0
0
0
8.0
9.0
0
3.5
14.0
3.4
3.4
3.5
14.0
2.6
0
-0.6
0
0
0.6
0
0
0
0
0
0
TXN/A10LAK(TC-26LX1H,TX-26LX1A/T/X)
A-BOARD (3/4)
TXN/A10KTN(TC-32LX1H,TX-32LX1A/T/X)
TXN/A10KZN(TX-26LX1M)
TXN/A10KSN(TX-32LX1M)
TXN/A1KYNJ(TC-32LX1DJ)
TX-32LX1X / TX-32LX1M / TX-32LX1A / TX-32LX1T / TC-32LX1H / TC-32LX1DJ / TX-26LX1X / TX-26LX1M / TX-26LX1A / TX-26LX1T / TC-26LX1H
54