JBL SB130, Руководство по обслуживанию

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Key Board & LED board -- Circuit & Layout Diagram
8 -1 8 -1
REM
1
GND
2
Vcc
3
IR400
REMOTE
IR
C401
104
MCU_3.3V
L400
FB/1K
LED400
LED-R
LED401
LED-B
LED402
LED-O
94V0
标志
R406
470
R407
47
R408
100
R409
100
R410
100
无铅标志
1
LED403
LED-W
LED404
LED-R
C402
10u
C403
10P
L401
FB/1K
1
2
3
4
5
6
7
8
9
10
CN401
1.5/10P
GND
IR
MCU_3.3V
LED4
LED5
LED1
LED2
LED3
LE
D
4
LE
D
5
LE
D
1
LE
D
2
LE
D
3
ADKEY2
1
2
3
CN402
1.5/3P
GND
ADKEY1
MCU_3.3V
ADKEY1
ADKEY2
LED BOARD
CB301
104
SW300
VOL+
SW301
VOL-
SW302
EQ
R312
1K*
R311
62K*
ADKEY1
SW303
SRC
SW304
POWER
R314
27K*
1
2
3
CN301
1.5/3P
ADKEY1
GND
94V0
标志
ADKEY2
无铅标志
1
ADKEY2
CB302
104
R310
15K*
R313
62K*
KEY BOARD