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41
42
43
C3212
50V
0.1u
SUB_9V
R_OPT_OUT
L_OPT_OUT
44
R3164
0
45
46
47
C3227
48
16V
0.1u
49
C3229
16V
0.1u
C3216
C3214
16V
16V
0.1u
0.1u
50
HDMI_R
HDMI_L
TP096
SD_RX
TP095
SD_TX
TP094
TRE
TP093
SD_RST
TP092
SD_IRQ
PC_G
PC_B
PC_R
HD
VD
TP086
DVB_R
TP085
51
DVB_L
TP084
DVB_V
52
53
54
AV2_QLINK
R3213
0
AV4_QLINK
R3214
0
RMCN
R3215
0
AI_SENSOR
AFT1
KEYSCAN
SRQ
SOS2
LED_R
SDA1
R3216
0
SCL1
R3217
0
SDA2
R3218
0
SCL2
R3219
0
SDA3
R3220
0
SCL3
0
R3221
FB
55
56
TX-26/32LXD500 TX-26/32LX500F/P H-Board (4 of 4) Schematic Diagram
28
29
SUB_5V
TP098
TO
DG-BOARD
*H2
(DG2)
TP099
*JS3222
0
40
DVB_R_IN(OPTIACL_OUT)
39
TP100
*JS3223
GND
0
38
DVB_L_IN(OPTIACL_OUT)
37
GND
36
DVB_BLUE_OUT
35
GND
34
DVB_GREEN_OUT
33
GND
32
DVB_RED_OUT
31
TP104
GND
30
HDMI_R
29
TP105
GND
28
HDMI_L
27
GND
26
SD_RXD0
TO
25
GP-BOARD
SD_TXD0
24
(GP6)
IRD_TIMER_LED
23
*H6
SD_RST
C3309
C3307
22
4
0.1u
1
100u
SD_IDO
GND
16V
16V
21
*R3364
TP091
GND
TP032
2
PC_5V
0
*C3246
20
*C3241
10V
PC_G
3
0.1u
GND
33u
16V
19
TP090
*R3365
GND
0
18
C3242
C3247
PC_B
33u
16V
10V
0.1u
17
*R3366
TP089
GND
0
C3245
16
C3243
PC_R
16V
16V
22u
0.1u
15
*R3367
TP088
GND
R3325
0
0
14
PC_HD
13
*R3368
TP087
GND
0
C3244
C3248
12
PC_VD
16V
22u
6.3V
0.1u
11
GND
30V
10
C3240
C3249
DVB_R_OUT
50V
50V
0.1u
10u
9
GND
8
DVB_L_OUT
7
GND
6
DVB_CVBS_OUT
5
GND
TP097
4
NC
4.4
40
AV2_QLINK
3
GND
1.9
39
AV4_QLINK
TP081
2
NC
0.8
38
RMCN
1
TP082
GND
0
37
GND
SIDE
0.8
36
AI_SENSOR
TP130
4.2
35
AFC1
0
34
AFC2
2.4
33
KEYSCAN
5.0
32
SRQ
TP057
4.5
31
SOS2
TP058
0
30
SOUND_MUTE
TP059
4.8
29
NC
TP060
0
28
GND
TP061
STB_3.3V
3.3
27
TP062
C3230
3.2
26
LED_R
16V
TP063
0.1u
0
25
TP064
NC
TP065
4.0
24
SDA1
TP066
4.0
23
SCL1
0
22
GND
3.3
21
SDA2
TP067
3.8
20
SCL2
TP068
0
19
GND
TP069
4.8
18
SDA3
SD_AUDIO_R_OUT
TP070
4.8
17
SCL3
TP071
0
16
GND
SD_AUDIO_L_OUT
TP072
TP073
0
15
FB_OUT
0
14
GND
SD_MONO_IN_R
TP074
MAIN_CVBS_OUT
4.5
13
MAIN_CVBS
0
12
GND
SD_MONO_IN_L
MAIN_PR/B_OUT
TP075
3.3
11
MAIN_PR/B
0
10
GND
SD_REC_V
TP076
MAIN_PB/C/R_OUT
3.6
9
MAIN_PB/C/R
0
8
GND
TP077
MAIN_CY/Y/V/G_OUT
3.9
7
MAIN_Y/V/G
0
6
GND
SD_VIN
SUB_PR_OUT
TP078
0
5
SUB_PR
0
4
GND
SUB_PB/C_OUT
TP079
H3
0
3
SUB_PB/C
0
2
TO
GND
TP080
DG-BOARD
SUB_CY/Y/V_OUT
0
1
SUB_CY/Y/V
(DG3)
SIDE
30
31
TP083
ZA3201
K9ZZ00000424
TO
AP-BOARD
(AP1)
H1
0
1
THUNDER_GND
0
2
THUNDER_GND
5.8
3
STB_LED
0
4
SOUND_GND
0
5
SOUND_GND
0
6
SOUND_GND
17.6
7
SOUND_16V
17.6
8
SOUND_16V
17.6
9
TO
SOUND_16V
G-BOARD
0
10
GND
(G4)
TP033
4.9
11
MAIN_5V
H4
TP034
0
12
GND
0
1
HPDET
0
13
PC_5V
TP049
4.8
2
SUB 5V
0
14
GND
C3233
0
3
0.1u
GND
4.8
15
SUB_5V
16V
5.9
4
0
16
STB_LED
GND
0
5
8.8
17
STB_PS_GND
SUB_9V
0
6
8.8
18
GND
SUB_9V
TP035
AV3_V
0.1
7
AV3V
0
19
GND
TP133
TRE
0
8
20
Timer_REC_LED
0
GND
*R3355
0
9
100
GND
3.3
21
MAIN3.3V
LXD500 ONLY
0
10
GND
0
22
GND
TP036
AV3_Y
0.2
11
AV3Y (S)
30.0
23
BT_30V
0
12
GND
0
13
GND
TP037
AV3_C
2.6
14
AV3C (S)
0
15
GND
TP038
AI_SENSOR
2.8
16
AI_SENSE
TP039
LED_R
3.2
17
R_LED
0
18
GND
TP041
3.3
19
STB_3.3V
TP042
RMCN
0.8
20
REMOTE
TP043
KEYSCAN
2.4
21
KEYSCAN
TP044
AV3_L
0
22
AV3_LIN
TP045
AV3_S
0
23
S_DET
0
24
C3231
GND
16V
0
0.1u
25
GND
TP046
AV3_R
0
26
AV3_RIN
0
27
GND
0
28
GND
TP047
0
29
HP_LOUT
TP048
0
30
HP_ROUT
TO
GS-BOARD
(GS9)
SUB_5V
MUTE CIRCUIT
*H9
*D2004
TP050
MA3X157A0L
1
SUB_5V
R2058
2
R2057
R2061
TP051
Q2012
GND
47k
1M
3
2SA207700L
Q2011
4.9
SD_R_IN
4.8
2SA207700L
4
Q2017
TP052
GND
4.9
R2234
R2059
4.9
0.3
2SA207700L
390
C2064
10k
5
SD_LIN
16V
R2056
C2063
0.3
0
22u
6
100
10V
TP053
GND
470u
R2060
7
100
SD_R_OUT
8
TP055
GND
D2003
MA3X152E0L
9
SD_LOUT
10
TP054
GND(SD_VIN)
11
SD_VIN
D2006
12
MA3X152E0L
GND
AA_MUTE_OUT
13
GND
14
TP056
GND(SD_VIN)
15
SD_V_OUT
32
33
H-BOARD (4/4)
TXN/H10LLM(TX-26/32LXD500)
TXN/H10LMM(TX-26/32LX500F/P)
ZA3203
ZA3202
K9ZZ00000424
K9ZZ00000424
MAIN_5V
R2068
8.2k
1%
4.4
R2069
0
560
0
R2330
0
Q2016
B1ABCF000138
SP MUTE
R2339
*R2306
2.2k
15k
*R2301
15k
C2326
*C2302
0.047u
50V
16V
0.022u
C2331
C2329
50V
*R2332
16V
100u
0.1u
0
VCC
R2329
0
L
IC2302
C0ABBA000168
R
GND
*R2335
0
C2327
*R2303
15k
*C2301
16V
0.047u
50V
0.022u
*R2304
R2338
15k
2.2k
R2341
2.2k
*C2320
0.012u
50V
*C2317
0.012u
R2322
50V
43k
R2328
20k
C2367
50V
C2332
0.1u
33p
50V
R2320
1k
VCC
L
C2328
100u
16V
IC2303
C0ABBA000168
MAIN_5V
R
GND
1M
D2005
MA2J11100L
R2235
390
C2366
C2065
4.9
33p
100u
R2321
16V
50V
4.9
43k
*C2315
R2327
0.012u
20k
50V
*C2318
0.012u
50V
R2340
2.2k
R2070
0
RGB Sel AV4 AV1
Q-Link Sel AV4 AV2
YUV judge YC,RGB YUV
SOUND_DEF
mute
AV_MUTE
mute
TX-26/32LXD500 TX-26/32LX500F/P H-Board (4 of 4) Schematic Diagram
34
TO
TP025
G-BOARD
(G5)
H5
17.5
1
SOUND_16V
17.5
2
SOUND_16V
17.5
3
SOUND_16V
17.5
4
SOUND_16V
17.5
5
SOUND_16V
TP026
0
6
SOUND_GND
0
7
SOUND_GND
0
8
SOUND_GND
0
SOUND_GND
9
0
10
SOUND_GND
L3304
TP027
4.3
11
SK_L
J0JCC0000241
0
12
GND
L3305
TP028
4.3
13
WF_L
J0JCC0000241
0
14
GND
TP029
4.4
15
MUTE
0
16
GND
L3307
TP030
4.3
17
SK_R
J0JCC0000241
0
18
GND
L3306
TP031
4.3
19
WF_R
J0JCC0000241
0
20
GND
SHIELD CLIP
ZA2101
TESA169
ZA2102
ZA2106
TESA169
TESA169
ZA2103
TESA169
ZA2108
TESA169
ZA2105
ZA2109
TESA169
TESA169
R3356
0
R3357
0
R3358
0
*JS3401
LXD500 ONLY
AA
0
*JS3403
LX500F/P ONLY
AC
0
35
36
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