Sanyo SFX-11 Service Manual page 22

(7) No Dial out
Is the position of the Dial selection switch correct?
I
OK
DP
Which can not be dialed, DP or Tone?
Check the DP generation Circuit.
I
TONE
Check the Tone related circuit.
(a) In case of the TONE dialing
I
I
NG I
I
Does the T/R LINE (CN3-1, Pin No. 10 on M-1) appear
FI
Check the
M-1 PCB.
normally?
1.
OK
Check the NCU (M-3).
.7/'% .~..>i
. . .
.,
J.',
(b) In case of the DP dialing
NG
Does the DP (CN3-1, Pin No. 15 on M-1) appear normally? Check the M-1 PCB.
OK
1
Check the NCU (M-3).
(8) No Transmisdon and Reception but Copy operation is carried out normally
] Checkthe line connection. I
I
1
1
~ YES
I
I
NO
Is it possible to transmit the protocol signals like a DCS,
DIS and so on?
t
I
I
I
YES
NO
Can the protocol signals (300BPS) be received from the
Paw
I
YES
1
NO
Can the high spaed signals (9600, 7200, 4800 and Check the NCU M-3.
2400BPS) be received?
—
I
YES
I Check the M-1 PCB.
I
-
—2%