Receiver Part - Samsung SGH-Z110V Service Manual

F low Chart of Troubleshooting

7. Receiver Part

R eceiver d o es n o t w o rk
Y es
N o
R es o ld er o r rep lac e U 404
U 404 p in2,10 = 2.8V?
Y es
N o
R es o ld er o r rep la ce C 471, C 475
C 471, C 475 = 1.2V?
Y es
N o
C h eck th e s o ld erin g o f th e
M o d u fy th e s p eaker w ire s o ld erin g
s p aeaker w ire
Y es
N o
R ep lace th e R eceiver
Is R eceiver w o rkin g ?
Y es
E N D
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