Service Manual
Page 42
...Phone can not be used without Samsung's authorization Flow Chart of UCP300 VSIM SIM_RST SIM_CLK C339 C340 C341 C342 SIM300 11 66 22 55 33 44 77 88 12 12 11 11 99 10 10 GG GG 16 15 14 13 SIM_IO C338 9-6 SAMSUNG... Proprietary-Contents may change without notice This Document can 't access SIM card Check the pin 1 of SIM400 NO Voltage = 3V YES Check ...the SIM connector's (SIM400) NO connector's to SIM card YES Check the circuit around SIM400 NO input circuitry YES Check the circuit around ...
...Phone can not be used without Samsung's authorization Flow Chart of UCP300 VSIM SIM_RST SIM_CLK C339 C340 C341 C342 SIM300 11 66 22 55 33 44 77 88 12 12 11 11 99 10 10 GG GG 16 15 14 13 SIM_IO C338 9-6 SAMSUNG... Proprietary-Contents may change without notice This Document can 't access SIM card Check the pin 1 of SIM400 NO Voltage = 3V YES Check ...the SIM connector's (SIM400) NO connector's to SIM card YES Check the circuit around SIM400 NO input circuitry YES Check the circuit around ...