LG GR-J303TS Service Manual - Page 16

Load/buzzer Drive Cricuit

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3-2-4. LOAD/BUZZER DRIVE CRICUIT (1) Load Drive Circuit Type of Load COMP, Mechanical Area FAN UPPER FAN MOTOR UPPER DEFROST HEATER MIDDLE FAN MOTOR MIDDLE DEFROST HEATER MIDDLE LOWER FERMENT FERMENT HEATER HEATER SINGLE MOTOR DAMPER FRONT-C HEATER Measuring Point(IC7) Status ON OFF No.10 No.16 No.12 Q1 Collector Within 1V 11 ~ 13 V No.11 No.15 No.13 Q2 Colletor No.14 - 16 -

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3-2-4. LOAD/BUZZER DRIVE CRICUIT
(1) Load Drive Circuit
Type of Load
COMP,
Mechanical
Area FAN
UPPER
FAN
MOTOR
UPPER
DEFROST
HEATER
FRONT-C
HEATER
SINGLE
MOTOR
DAMPER
MIDDLE
DEFROST
HEATER
MIDDLE
FERMENT
HEATER
LOWER
FERMENT
HEATER
MIDDLE
FAN
MOTOR
Measuring Point(IC7)
No.10
No.16
No.12
Q1 Collector
No.11
No.15
No.13
Q2 Colletor
No.14
Status
ON
Within 1V
OFF
11 ~ 13 V
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