LG SPH2B-P Service Manual

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4. CONNECTORS
Connector No. PIN SOURCE SPEC(V) Value(V)
SMPS Board
PN601
CN21 (SMPS)
1 PVDD 19.5 ~ 21.5 20.5
2 PVDD 19.5 ~ 21.5 20.5
3 DGND 0 0
4 DGND 0 0
MAIN Board
JK553
1 VCC55 4.65 ~ 5.35 5.14
2D-- -
3D+- -
4 DGND 0 0
PN110
PN501
1 3V3_MICOM 3.14~3.47 3.32
2 DGND 0 0
3 TOUCH_IRQ 2.3~3.47 3.32
4 TOUCH_SDA 2.3~3.47 3.32
5 TOUCH_SCL 2.3~3.47 3.32
6 DGND 0 0
7 STBT_LED 2.3~3.47 3.31
PN506
1 3V3_MICOM 3.14~3.47 3.32
2 OPT_OUT 2.3~3.47 3.31
3 DGND 0 0
4 AGND 0 0
5 POT_R - -
6 AGND 0 0
7 POT_L - -
8 VCC55 4.65 ~ 5.35 5.14
9D-- -
10 D+ - -
PN701
1 FR+ 0 0
2 FR- 0 0
PN702
1 FL- 0 0
2NC- -
3 FL+ 0 0
PN703
1 Woofer+ 0 0
2 Woofer- 0 0

LG SPH2B-P Specifications

General

Brand	LG
Model	SPH2B-P
Category	Speaker System
Language	English