LG LM-D2540A Manual page 15

TAPE REC check (A252, Q202 On: R273, R223 High
IC202 PIN11, 14 signal input check
YES
IC202 PIN9, 16 output check
YES
IC201 '6" (12V) , PIN4 High check
YES
L203 PIN5, 6 oscilates or not
YES
DECK replaement
Dubbing check ("NORMAL"or "HIGH") check
Q252, 202 "OFF"//"ON" : R273, 223 "LOW" // "HIGH"
YES
Q253, 203 "OFF"//"ON" : R225, 275 "LOW" // "HIGH"
YES
REC check refer
NO
Q253, Q203 Base "Low" check
Q253, Q203 replaement
NO
IC202 PIN18 VCC check
NO
IC501 Troubleshooting check
NO
C236(+) power input check
Q208 Base 0.6V check
Q208 Collector Low
Q207 replaement
normal
- 2-10 -
NO
YES
IC501 Troubleshooting refer
NO
YES
NO
YES
NO
YES
NO
YES
NO
IC501 Troubleshooting check
Troubleshooting check refer
IC501 Troubleshooting check
Q208 replaement
L203 replaement