LG RCS606F Service Manual

3-39
ELECTRICAL TROUBLESHOOTING GUIDE
4. DIGITAL AUDIO AMP CHECK
B
Check SMPS.
Check speaker cable connection.
Replace IC602.
Check IC801 & IC501.
Check L701, L702, L704, L705. Check L708, L709, L710. Check L711, L714, L715, L717.
Check IC602.
Replace IC701. Replace IC702. Replace IC703.
Check IC602.
+12 VA, +48 V
Power voltage OK?
IC602
PWM data output signal
OK?
IC602
I2S input signal
OK?
IC701
FL±/FR± input signal
OK?
IC701
SPK_FL±/FR± output
OK?
IC703
RL±/RR± input signal
OK?
IC703
SPK_RL±/RR± output
OK?
IC702
SW1±/SW2± input signal
OK?
IC702
SPK_SW output
OK?
NO
NO NO
NO
NO
NO
NO NO
YES
YES
YES
YES YES YES
YES
YES YES YES
YES
YES
OK

LG RCS606F Specifications

General

Brand	LG
Model	RCS606F
Category	Stereo System
Language	English