Samsung MAX-557 - Page 38

4-1-2. No output
-10-
Check the B+power source
part in RD1(PBL403),
RC2, and RC3.
MAIN PCB AIC1L/1R
(LM2876 TF)#1,4
B+,B circuits
Check the mute
circuit RO4(C945),
base B+(0.6V)
AIC1L/1R
pin no.7: B-(-2V)
Replace RR12
O
Replace RO4
Confirm for TR Short
Replace it
AQ1L/1R
Base B+?
Is Mute selected?
Remove it with Remocon
HEADPHONE JACK Replace Headphone jack
Short? soldering condition
Front PCB
MICOM pin no.88
Check the "H"
Replace u-com
Check if the output line is
short.
MAX-550