2 – 50
GX10i
CONFIDENTIAL
YES
NO
YES
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
YES
NO
NO
9. 2 "No Service" display and receiving/transmitting do not function in the DCS (PCS) band.
NO
Does the signal strength indicator show 4 bars?
* Fixed line: During input of –70 dBm.
IC202, IC303, Q304, or Q308 defective.
YES
After replacing the main PWB unit with a normal one,
receiving available?
After replacing FPC (flexible printed circuit) with a
normal one, receiving available?
J801 defective.
[Receiving System]
[Transmitting System]
IC104, IC105, CN201, CN202, or PWB defective.
FPC defective.
Voltage applied to VCO971 7 pin?
Voltage applied to VCO971 7 pin?
Is VCO971 frequency fixed at twice as the DCS
(PCS) band receiving frequency?
IC901, VCO971, FL971, TCX951, or IC304 defective.
DCS (PCS)-Band Receiving frequency signal applied
to IC901 7 and 8 (4 and 5) pins?
IC104, IC102, IC901, or PWB defective.
DCS (PCS)-Band Receiving frequency signal output
from FL801 5 (3) pin?
FL902 (FL903) defective.
DCS (PCS)-Band Receiving frequency signal input
to FL801 9 pin?
IC991, IC992, IC993, or FL801 defective.
IC202, IC303, Q304, or Q308 defective.
Is VCO971 frequency fixed at twice as the DCS (PCS)-
band transmitting fre 80 MHz (or 82 MHz)?
IC901, VCO971, FL971, TCX951, or IC304 defective.
IQ Signal input to IC901 20, 21, 22, and 23 pins?
IC104, IC102, or PWB defective.
Voltage applied to VCO851 11 pin?
Q304 or Q309 defective.
DCS (PCS)-Band Transmitting frequency input to
IC831 8 pin?
VCO851, IC901, IC991, IC992, or IC993 defective.
DCS (PCS)-Band Transmitting frequency input to
FL801 1 pin?
FL816, R816, IC881, or IC831 defective.
DCS (PCS)-Band Transmitting frequency input to
J801 1 pin?
FL801 defective.
J801 defective.