Jumpers, Test Points, And Vrs - Ricoh 1000L Field Service Manual

APPENDIX B JUMPERS, TEST POINTS, AND VRs.
1. FCU
— Test Points —
TP1
TP2
TP3 – 10
VC1 –
JP1 –
2. MBU
SW1 – Battery switch. Keep closed during operation and open during transportation.
3. OPU
JP1, 2 — LCD brightness adjustment.
4. UIB, DSB, DRU, PMU, LSD
TPs – See the point-to-point diagram.
See the point-to-point diagram
Laser Data Transfer Clock
See the point-to-point diagram
Do not touch.
Not used
B - 1