4. Troubleshooting
- 44 -
SPK-
SPK+
VBATBB
MP3_OUTR
P1
MP3_OUTL
P1
GPIO1_OP1_EN
P1
Components in metal case
Louder SPK
On-semi NCP2890-D
R217
N.C_20K
R0402
R217
N.C_20K
R0402
R212
20K
R0402
R212
20K
R0402
C238
2U2
C0603
C238
2U2
C0603
C239
100P
C0402
C239
100P
C0402
R213
43K
R0402
R213
43K
R0402
R214
100K
R0402
R214
100K
R0402
C241
1U
C0402
C241
1U
C0402
C234
N.C_100N
C0402
C234
N.C_100N
C0402
U200
LM2890
NCP2890-D
U200
LM2890
NCP2890-D
/SHUTDOWN
C3
BYPASS
C1
+IN
A3
-IN
A1
Vo1(-)
A2
VDD
B3
GND0
B1
Vo2(+)
C2
GND1
B2
C237
100N
C0402
C237
100N
C0402
SPK1P
SPK1N
Louder SPK
connector
AAC SPK :
DMS1608F-02-PC-G
B213
0R
L0402
B213
0R
L0402
1
2
ESD212
ESD
ESD212
ESD
1
1
2
2
E201
N.C_SPK_PROBE
AS5016-A0G1E
E201
N.C_SPK_PROBE
AS5016-A0G1E
C242
33P
C0402
C242
33P
C0402
C243
100P
C0402
C243
100P
C0402
LS203
CBE-2809-2258H
P30-02B1-00
LS203
CBE-2809-2258H
P30-02B1-00
C244
33P
C0402
C244
33P
C0402
ESD211
ESD
ESD211
ESD
1
1
2
2
B212
0R
L0402
B212
0R
L0402
1
2
Содержание KG300
Страница 3: ... 4 ...
Страница 11: ...2 Software Download Procedure 12 Select default folder Press Install ...
Страница 12: ...2 Software Download Procedure 13 Press Finish Enable Leo Download tool ...
Страница 19: ...3 Assembly and Disassembly 20 v Take off the Main Board from B Cover Receiver Keypad ...
Страница 53: ...4 Troubleshooting 54 7312 RF Placement PX Path TX Path ...
Страница 57: ...4 Troubleshooting 58 RF transceiver U602 ...
Страница 61: ...4 Troubleshooting 62 U602 U601 J601 ...
Страница 62: ...5 Circuit Diagrams 63 SYSTEM BLOCK DIAGRAM 5 CIRCUIT DIAGRAMS ...
Страница 67: ... 68 ...
Страница 76: ... 77 6 PCB LAYOUT ...
Страница 77: ... 78 6 PCB LAYOUT ...
Страница 79: ... 80 ...
Страница 84: ...Note ...
Страница 85: ...Note ...