
FO-2970MU
2 – 3
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:
F100
CNMT
CNLIUA
CNSP
CNLIUB
CNPRT
CNRTH
CNFUSE
CNPN
CNCIS
IC6
(step 1) Select "OPTION SETTING".
DISPLAY:
DISPLAY:
DISPLAY: TONE SELECTED
KEY:
FUNCTION
4
KEY:
OPTION SETTING
PRESS or #
KEY:
DIAL MODE
1= TONE, 2= PULSE
KEY:
KEY:
DISPLAY:
(step 4) End, using the "STOP" key.
(step 3) Select, using "1" or "2".
(step 2) Select "DIAL MODE".
Push # until " DIAL MODE " is
indicated because the number of
# s changes by the models.
1
2
PULSE SELECTED
STOP
(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".
Control PWB (Bottom side)
Fig.5
Содержание FO-2970M
Страница 70: ...FO 2970MU 6 10 Control PWB parts layout Top side ...
Страница 71: ...FO 2970MU Control PWB parts layout Bottom side 6 11 ...
Страница 73: ...FO 2970MU 6 13 TEL LIU and Hook SW PWB parts layout Top side ...
Страница 74: ...FO 2970MU 6 14 TEL LIU and Hook SW PWB parts layout Bottom side ...
Страница 77: ...FO 2970MU 6 17 Printer PWB parts layout ...