LG ACC-W6100, Service Manual

Page: 77 / 101

- 6-3 -
• In Case of RX speaker, it should be checked with TX and the opposite RX speaker ON.
TX ON , RX LEFT ON, RX RIGHT ON
Move to C
RX all kinds of power check
IC207 Soldering check and Replacement
Refer to IC207 Check
CN209 3PIN HIGH Check
TX ON, the opposite side RX ON Check
SMPS power check
IC204 28PIN HIGH Check
Q201 Replacement
Refer to
IC208 Check
IC205 22PIN DC3.3V Check
IC205 37PIN LOW Check
RY201 Replacement
IC205 Soldering check and
Replacement
IC204 Soldering check and Replacement
IC207 3,5,7,9,23,24,26,28PIN power check
C259 DC3.3V check
IC205 45,46PIN PWM DATA check
IC204 Refer to IC204 check
RX POWER ON/OFF RY201 operation check
SPEAKER connection cable check
IC207 15PIN CLK (16MHz) check
B
Check whether two RX relay get together or RX LED is turned ON.
C
IC202 34 PIN SCLK check
IC202 35 PIN LRCLK check
IC202 36 PIN AUDIO DATA check
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
* NOTICE
TX: ACC-W6100
RX:RA-W6100SL/SR