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3 Schematic Diagram
3.1.
MAIN (MICON) CIRCUIT (1/2) (For SU-HTB685)
1
2
3
SCHEMATIC DIAGRAM - 4
A
B
MAIN (MICON) CIRCUIT
B
C
D2312
DA2J10100L
C2230
0.01
CO
PW_13V
D
C2233
10
E
R2230
R2213
100
1K
C2222
0.1
B1GBCFJJ0048
F
CO
PW_PVCC_28V
C2207
C2208
C2209
G
50V0.1
0.1
0.01
D2202
B0JCPG000032
H
DA: MAIN (DAMP): SCHEMATIC DIAGRAM - 6 ~ 7
CO: MAIN (CONNECTOR): SCHEMATIC DIAGRAM - 8
1
2
3
4
5
6
: +B SIGNAL LINE
: USB SIGNAL LINE
R2239
1K
8
7
6
5
C2232
0.1
VIN
BST
ON/OFF
D2210
IC2203
B0ECKM000008
C0DBAYY01282
THERMAL PAD
T1
+13V VOLTAGE REGULATOR
D2211
B0ECKM000008
VOUT GND
VC
FB
1
2
3
4
D2212
B0ECKM000008
R2236
R2234
R2240
100K
10K
10K
L2203
C2231
G1C330MA0291
6800P
D2232
R2237
R2241
B0JCPG000032
10K
C2234
10K
10
B1DGDC000002
4
5
6
C2227
R2232
0.1
100K
R2211
100K
3
2
1
C2216
Q2201
0.1
B1DGDC000002
R2233
10K
SWITCH
QR2201
C2228
R2209
1K
1
R2210
C2214
QR2202
PCON
0.1
10K
B1GBCFJJ0048
R2231
1K
PCON
R2208
10K
C2223
0.1
8
7
6
5
VCC
BST
EN
SYNC
IC2201
ThermalPad
T1
C0DBAYY01282
+6V VOLTAGE REGULATOR
R2204
VOUT
GND
VC
FB
30K
1
2
3
4
C2210
R2203
10K
R2205
6800P
D2209
150K
B0ECKM000008
L2202
C2211
G1C150M00023
C2212
0.1
47
4
5
6
7
8
9
R2242
10K
8
7
6
5
VIN
NC
NC
EN
IC2204
THERMAL PAD
T1
C0DBEYY00197
+5V VOLTAGE REGULATOR
VOUT
FB
GND
NC
1
2
3
4
PW_FL_WL_5V
R2217
R2246
18K
3.3K
D2207
D2206
B0ECKM000008
B0JCPG000032
C2219
C2235
1
47
R2228
47K
PW_PVDD6V
Q2202
SWITCH
4
5
6
Q2281
Q2280
B1ADGF000010
B1ADGF000010
R2280
3
2
1
10K
SWITCH
SWITCH
R2283
R2281
10K
1K
C2217
SUB_PCON
1
QR2200
D2245
B0ECKM000008
B1GBCFJJ0048
R2202
1K
PCON
IC2202
C0DBEJG00001
+3.9 VOLTAGE REGULATOR
TL
2
LB2202
J0JHC0000078
CO
VIN
GND
VOUT
ADJ
1
2
3
4
5
D2205
B0ECKM000008
PW_BK3R9V
C2215
R2206
R2207
47
100K
47K
C2213
1
7
8
9
7
10
11
12
C2044
0.1
R2027
0
LB2002
J0JYC0000366
G3
1
VBUS
D-
2
R2028
0
3
D+
4
DGND
LB2004
J0JYC0000366
PW_FL_WL_5V
CO
PW_+5V
K205...685GN
0
K206
0
PW_HDMI_VDD6V
CO
PW_PVDD6V
DA
PW_3R3V
PW_3R3V
CO
IC2001
PW_OPT3R3V
CO
RFKWFTB685EM
2MB SPI FLASH
R2052
4.7K
CS
VCC
1
SO
2
R2053
4.7K
WP
SCLK
3
4
GND
DGND
CO DA
DGND
PW_BK3R3V
CO
C2054
150P
C2053
150P
PW_CEC3R3V
CO
1/2
2/2
SC-HTB685GN(SU-HTB685GN) MAIN (MICON) CIRCUIT
10
11
12
13
14
TO MAIN (MICON)
CIRCUIT (2/2)
JK2000
G2
USB PORT
(FOR SERVICE ONLY)
G1
K215...685GN
0
K216
0
8
C2041
NC
7
0.1
R2051
33
6
SI
5
R2054
C2055
C2060
33
22P
150P
P1
13
14
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