Test Points - Ricoh FT7060 Field Service Manual

SERVICE TABLES

1. Test Points

- Main Board -
Number
Function
TP201 Trigger for P.P. (PCC)
TP202 Trigger for P.P. (PTC)
TP203 Trigger for P.P. (T2)
TP204 T r i g g e r f o r P . P . ( S 2 )
TP205 Reference clock pulse to main motor board
TP206 Reference clock pulse to scanner motor
board
TP207 R e s e t p u l s e
TP208 Reset Pulse
TP209 Clock pulse
TP210 ADS voltage (Adjust using VR201)
TP211 Trigger for P.P. (C)
Trigger for P.P. (T1)
TP212
TP213 T r i g g e r f o r P . P . ( S 1 )
TP214 +24V
TP215 GND
TP216 +15V
+5V
TP217
+1.31 to 1.35V threshold voltage of IC219
TP218
(Adjust using VR202.)
TP219 Trigger for P.P. (PQC)
TP220 Input voltage of image density sensor
(Adjust using VR203.)
-Scanner Motor Control Board-
Number Function
Scanner ON signal from Main Board
TP501
TP502 Factory Adjustment Use
+4V (Forward): -6V (Reverse)
TP503
TP504 Factory Inspection Use
TP505 Factory Adjustment Use
Factory Adjustment Use
TP506
TP507 Ground (GND)
TP508 Factory Adjustment Use
-Main Motor Control Board-
Number Function
GND
TP301
TP302 Encoder Pulse Reference (+0.77V)
2-5