JBL PULSE 4 Service Manual page 14

for MCU pcb
J3
PLAY_KEY
1
VOL+_KEY
2
VOL-_KEY
3
4
VOL KEY FPC
LIGHT
S1
2
1
for MCU pcb
J1
1
2
3
LINK
S2
4
2 1
5
15%
R2 100 D3
15%
D4
LIGHT KEY FPC
100
15%
R4 D8
15%
D7
LIGHT_KEY
BT S4
[1]
SLG_3.3V
2 1
LINK_KEY
L_LED
S3
POWER
2
1
15%
D6
15%
D5
R3 100
for MCU pcb
J2
B_LED
1
BT_KEY
2
[1]
SLG_3.3V
3
4 POWER_KEY
P_LED
5
6
POWER KEY FPC