LG ACC-W6100, Service Manual

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- 6-1 -
ELECTRICAL TROUBLESHOOTING GUIDE
1. All kinds of power check (FA-W6100)
2. All kinds of power check (ACC-W6100)
• TX is truned AUTO ON/OFF according to main body (DA-5620)’s ON/OFF status. so, the
power of main body should be ON.
C245(+) DC5V Check
SMPS board power DC5V Check
1.IC212 Soldering check and Replacement
2.IC206 Soldering check and Replacement
3.IC209 Soldering check and Replacement
4.IC214 Soldering check and Replacement
5.IC208 Soldering check and Replacement
LED ON/OFF Check (DC5V Check)
DC JACK, main body cable connection check
IC114 Soldering check and Replacement
1.IC112 Soldering check and Replacement
2.IC111 Soldering check and Replacement
3.IC110 Soldering check and Replacement
4.IC115 Soldering check and Replacement
C140(+) DC3.3V Check
IC113 Soldering check and Replacement
normal operation
1.C147(+) DC1.8V Check
2.C145(+) DC2.7V Check
3.C149(+) DC3.0V Check
4.C177(+) DC2.7V Check
normal operation
1. C281(+) DC3.3V Check
2. C246(+) DC3.0V Check
3. C257(+) DC1.8V Check
4. C288(+) DC2.7 Check
5. C250(+) DC2.7 Check
YES
NO
NO
NO
NO
NO
YES
YES
YES
YES
SECTION 6. SPEAKER PART