LG GSA-4167B Service Manual page 67

Block Diagram
Ron
1.5ohm
Ron
1.5ohm
Ron
1.5ohm
Ron
Ron
GND
1.5ohm
OUTPUT
LO-
LO+
VM3
DSP
TL-
TL+
OUTPUT
TLIN
DSP
TR-
TR+
OUTPUT
DSP
TRIN
5VCC
GND
FO-
FO+
OUTPUT
FOIN
DSP
converter
SPLIM
CTL
sense
Current
W
V
U
1ohm
OUTPUT
COMMON
Protect Pickup
+ -
sense
Current
converter V/V
SLIDE2
+
-
sense
Current
converter V/V
SLIDE1
V/V
SPM
DETECTER
EMF BACK
DSP
ACTFLG
DSP
ACTRST
SLLIM
ohm 1.8
SL1-
Ron OUTPUT
SL1+
GND
STM
DSP
SL1IN
SL2-
SL2+ ohm 1.8
Ron OUTPUT
DSP
SL2IN
VM2
DSP
REF
DSP
SPIN
DSP
FG
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