Sanyo SFX-33 Service Manual page 22

(4) No motor rotates when the original is
L
NO
Is /S1 (CN6, pin No.14) low? Check the connection of CN6 (M-1 )
I I I
1
YES
7
NO
Check the connection CN6 (M-1) and CN61 (M-6)
Check the Sl sensor
Is /TMl10-13 (CN6, pin No.20-23) OK?
Check the M-1 PCB
t
YES
I 1
Check the connection of CN62
I
t
YES
Check the Transmission Mecha control PCB (M-5)
Check the Transmission motor
(5) No copy is made.
NO
Is the Head test OK ? (See page 34) Check the printing circuit
I
+
(a) Printing Circuit (To be confirmed by the Head test, see page 34)
I Check the connection of CN4 (M-1) and CNTPH Thermal head) \
t
YES
NO
Does +24V ap~~ Check the power supply PCB (M-7)
1 ( L
I
+
YES
NO
Does HVON (CN7, pin No.1) work properly (High at printing) ?
*
YES
,,
NO
Do the signals (DATA (CN4, pin No.3), CLK (CN4, pin No. 4)) appear normal ?
+
YES
NO
Do the signals (/STBl, /STB2 (CN4, pin No.1 O, 9) /STB3, /STB4 (CN4, pin No.6,5)) appear normal ?
Check the Thermal head
I
Check the M-1 PCB
I I 1
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