Nokia 8850 Service Bulletin 009

CONFIDENTIAL 1 (1)

Nokia Mobile Phones Service Bulletin No. SB-009/14.01.00
Technical Support, Europe & Africa

NSM-2

CORRECTION TO SERVICE MANUAL

There is a mistake in NSM-2 Service manual (code 0275427) in Tuning
section (page 91). Please correct the following text in your service manuals:

WRONG

3. AM suppression tuning

AM suppression calibration is for
tuning four Hagar parameters to get
as small RSSI value as possible.

For AM–suppression calibration
external signal generator with AM–
modulation is needed.

Signal generator setup:
AM–modulation, fmod = 1 kHz, mod.
depth = 83%
f = ch(default)+10 MHz,
P = –23 dBm (EGSM)
P = –26 dBm (PCN)

Test limits for AM–calibr. results:
–95 dBm (EGSM)
–86 dBm (PCN)

CORRECTED

3. AM suppression tuning

AM suppression calibration is for
tuning four Hagar parameters to get
as small RSSI value as possible.

For AM–suppression calibration
external signal generator with AM–
modulation is needed.

Signal generator setup:
AM–modulation, fmod = 1 kHz, mod.
depth = 83%
f = ch(default)+10 MHz,
P = –23 dBm (EGSM)
P = –26 dBm (PCN)

Test limits for AM–calibr. results:

-86 dBm (EGSM)

-95 dBm (PCN)

NSM-2 SB-009