Sharp FO-2970M Service Manual page 7

3. IC protectors replacement
ICPs (IC Protectors) are installed to protect the TX motor drive circuit
and verification stamp drive circuit. ICPs protect various ICs and elec-
tronic circuits from an overcurrent condition.
The location of ICPs are shown below:
(1) F100 (ICPS10) is installed in order to protect IC's from and
overcurrent generated in the verification stamp drive circuit. If F100
is open, replace it with a new one.
4. Settings
(1) Dial mode selector
OPTION SETTING: DIAL MODE (Soft Switch No. SW2 DATA No. 1)
Use this to set the fax machine to the type of telephone line you are on.
• The factory setting is "TONE".
(step 1) Select "OPTION SETTING".
FUNCTION
KEY:
OPTION SETTING
DISPLAY:
PRESS or #
(step 2) Select "DIAL MODE".
Push # until " DIAL MODE " is
KEY:
indicated because the number of
# s changes by the models.
DISPLAY: DIAL MODE
1= TONE, 2= PULSE
(step 3) Select, using "1" or "2".
KEY:
1
DISPLAY: TONE SELECTED
KEY: 2
DISPLAY: PULSE SELECTED
(step 4) End, using the "STOP" key.
KEY:
STOP
4
CNRTH
CNFUSE
F100
CNMT
IC6
Control PWB (Bottom side)
2 – 3
FO-2970MU
CNPRT
CNLIUA
CNPN
CNSP
CNCIS
CNLIUB
Fig.5