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1
CPU
E
R229
0
R210
0
R230
100
CPU_+3.3V
R206
100
RESET
CPU_+3.3V
D
R205
100
U_TX
R204
100
U_RX
R203
100
CNVSS_UP
R202
100
EPM_UP
R201
100
OSD_CE/CE
R246
100
BUSY_JTAG
R247
100
SCLK_JTAG
FPC201
1.0-11S-10PW
C
B
A
1
2
R240
0
Q303
2SC3052
POWER_DOWN
GNDU
C219
1N-K
R280
0
C255
C256
-
-
2
3
R2446
D+12V
GNDU
R373
BT_KEY4
22
C_RLY
51
52
53
54
55
56
50
R370
22
49
S_RLY
48
47
R365
22
OSD_CE/CE
46
R301
22
BT_KEY1
45
R302
-
NC
44
R300
22
TUNER_LA
43
R299
TUNER_SDIO
42
22
EPM_UP
41
R298
TUNER_CK
40
22
F_RLY
39
R297
STBY_RLY
38
R363
47
10
SUB_SCK
37
47
R361
SUB_SDO
36
R362
47
SUB_SIN
35
R295
22
BUSY_JTAG
34
R275
22
R223
SCLK_JTAG
33
22
U_RX
32
U_TX
31
R225
22
30
29
28
27
26
25
R278
-
D201
Q201
LBAS16HT1G
ISA1530AC1
R277
-
MUTE_B+
R217
47K
R216
Q202
RT1N237C
47K
R241
D210
-
C234
LBAS16HT1G
10N-K
D211
LBAS16HT1G
CPU_+3.3V
R249
0
R250
10K
R256
4K7
R257
4K7
8
7
6
Q206
C227
2SC3052
2.2/50
IC204
R281
CW24C16DR
4K7
1 2
3 4
3
4
5
Schematic Diagram
BKT201
BKT203
BKT-BURRING
BKT-BURRING
1
2
3
4
1
2
3
4
J304
ZD1005
Q204
J303
D2064
LUDZS15BT1G
RT1N237C
LBAS16HT1G
J302
68(1)
CPU_ST_VCC
R338
100
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
R221
47K
81
R222 -
82
R372
83
100
84
OSD/FLT_DATA
R353
85
22
R311
22
86
R312
22
87
88
R313
22
89
IC203
POWER ON
R339
100
M3030RFGPFP
90
(0V-0.5V)
R340
100
91
R314
22
92
93
C246
R315
22
1N-K
94
R324
10K
95
R224
96
C215
R320
10K
97
10N-K
0
C247
98
1N-K
99
R226
10K
C248
1N-K
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R228
10K
R237
47K
X201
C250
100N-K
16M(12P)
ZD1004
LUDZS3.3BT1G
WMP
C216
1N-J
OTHERS
C243
100N-K
C217
100/16(5*11)
C241
-
C220
10N-K
R239
-
D206
LBAS16HT1G
D207
LBAS16HT1G
CPU_+3.3V
5
4
5
6
GND2
1
2
3
4
0
F_AUX_L
0
FAUX_AGND
F_AUX_R
0
GNDCH
XMICSEL
JP21
V+6.8
JUMPER
JP22
V-6.8
JUMPER
4
3
2
1
XMICDET
JP37
JUMPER
GND_A
BKT202
JP39
SPTE_0.8T
MICOUT
JUMPER
GND_A
C2318
10N-K
C254
HP_L
82P-J
HP_AGND
C253
HP_R
C2316
82P-J
100N-K
HP_DET
CPU_ST_VCC
-VF(-30V)
GNDU
CPU_+3.3V
KEY1
ST_H+5V
D213
RMC
LBAS16HT1G
STBY_RLY
D212
OSD/FLT_DATA
LBAS16HT1G
OSD/FLT_CLK
FLT_CE
VIDEO_MUTE
IN_UP_KEY4
KEY2
PROTECT1
KEY3
VOL_DN
KEY1
VOL_UP
IN_DN_KEY5
VOL_UP
IN_DN_KEY5
VOL_DN
KEY3
POWER_DOWN
KEY2
THRU_LED
IN_UP_KEY4
CNT_LED
R238
D209
-
FLT_CE
-
HTP-074 ONLYS
CN704B OPTION
HTP-074 : 1.0-11S-28
HT-S3800 : 1.0-11S-27
CNT_LED
C241
680K
OPEN
PROTECT1
DC_DET4
DC_DET3
PTC_DET
ASO_DET
ASO_DET
DC_DET3
CPU_+3.3V
DC_DET4
DC_PRO
HT-S3900
6
E
D
C
B
A
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