Ricoh A229 Service Manual page 571

TEST POINTS/DIP SWITCHES/LEDS
ADF Main Board
No.
TP100
TP101
TP102
TP103
TP104
4.5.5 FUSES
PSU
Number Description
FU101 Protects the ac input line.
FU102 Protects +24V
FU103 Protects +24V
FU104 Protects +24V
FU105 Protects +24V
FU106 Protects +24V
FU107 Protects +24V
FU108 Protects +24V
FU109 Protects +12V
FU110 Protects +5V
FU111 Protects +5V
FU112 Protects –12V
FU113 Protects +5V
FU114 Protects +5V
FU115 Protects +5V
FU116 Protects +24V
ADF Main Board
No.
FU101 Protects the 24 V line.
4.5.6 VARIABLE RESISTORS
ADF Main Board
No.
VR101 Adjusts the original registration for the 1st side of the
original.
VR102 Adjusts the original stop position against the left scale
for the 2nd side of the original.
VR103 Not used
A229
Label
GND Ground
Vcc +5V
V +24V
A
TXD TXD to the copier
RXD RXD from the copier
Monitored Signal
Function
Function
4-74
Rev. 01/99
SM