Sanyo SFX-32 Service Manual page 21

(7) No Dml out
L
IS the position of the Dial selection
switch (SW2 (DP/PB)) on M-1 PCB?
1
OK
1
Which can not be dialed, DP or Tone?
Is the position of the DP selection
memory switch (1O/20PPS) correcfl
& '~
Check the DP generation circuit.
(a) In
case of the TONE dialing
NG
Does the TXUNE (CN3, pin
No. 17 on M-1) appear normally?
Check the M-1 PCB.
1
OK
NG
Do the TEL1 and TEL2 (CN32,
pin No. 7 and 8) appear normally?
Check the NCU PCB (M-3).
I Check the TEL PCB (M-4).
(b)
In case of the DP dialing
Does the DP (CN31, pin
NG
No. 11 on M-3) appear normally?
Check the M-1 PCB.
I
OK
t
NG
Do the TEL1 and TEL2 (CN32,
pin No. 7 and 8) appear normally?
Check the NCU PCB (M-3).
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