Ericsson PF 768 Troubleshooting Instructions page 65

PF768, Standard Electrical Repairs
Positon Designation
R900 RESISTOR
R901 RESISTOR
R902 RESISTOR
R903 RESISTOR
R904 RESISTOR
R905 RESISTOR
R907 RESISTOR
R908 RESISTOR
R909 RESISTOR
R910 RESISTOR
S820 PUSH-BUTTON
SWITCH2
S821 PUSH-BUTTON
SWITCH2
U200 TRANSFORMER Advanced
U201 TRANSFORMER Advanced
V300 TRANSISTOR
V301 TRANSISTOR
V302 TRANSISTOR
V350 TRANSISTOR
V351 TRANSISTOR
V420 DIODE
V421 DIODE
V430 TRANSISTOR
V450 TRANSISTOR
V452 TRANSISTOR
V552 DIODE
V605 DIODE
V606 TRANSISTOR
V607 TRANSISTOR
V608 DIODE
V609 DIODE
V613 TRANSISTOR
Part No.
REP 622 455/1
REP 622 455/1
REP 622 455/1
REP 622 455/1
REP 622 454/1
REP 622 455/1
REP 622 456/1
REP 622 456/1
REP 622 456/1
REP 622 455/1
RMD 955 101/01
RMD 955 101/01
Advanced
Advanced
Advanced
Advanced
Advanced
Advanced
Advanced
Advanced
Advanced
Advanced
Advanced
RKZ 123 647/1
RYN 121 6086/1
RYN 121 6069/1
RKZ 123 646/1
RKZ 323 673/1
RYN 121 6086/1
4/00021-2/FEA 209 544/11.C
Trouble shooting
NOTE instruction
Keyboard
Keyboard
Verify buzzer func-
tion
Verify buzzer func- Illumination and
tion Buzzer
Verify flash func-
tion
Verify display Display
function
Verify SIM func-
tion
Verify Illumination
function
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