Ericsson R310s - Back; Assembly; The SIM Card

Trouble Shooting Guide, Standard
4/00021-2/FEA 209 544/31 B 4(23)
1.2 Pin Placing
Single diode (PIN diode) Electrolytic capacitor
Double diode or single
transistor
Five pin circuit (usually
voltage regulator)
Six pin circuit Eight pin circuit
Ten pin circuit Crystal N200
N330 and N331 N551 J603
X100
2 Network Problems