Measuring Instrument - Clarion PP-2121I-A Service Manual

■ DIFFERENCE FEATURE LIST
PN-2121K-A
PN-2121D-A
PN-2121N-A
PP-2121I-A
DIFFRENCE FROM ORIGINAL MODEL
■
■ ADJUSTMENS
Clock section/PN-2121N-A
Item Procedure
Clock 1.Connect a electrical chronometer to CLOCK TP of Main PWB.
2.Adjust the TC101 so that Output of chronometer becomes
CIRCUT DIAGRAM
■
Main PWB section 2/2
Main PWB section 2/2
Illumination color Clock
WHITE
WHITE
WHITE
GREEN
・ System control PWB section/PN-2121N-A
Pre output power
− 3V:300Ω
−
6V:300Ω
3V:300Ω
−
6V:300Ω
System control PWB section
- 3 -
Measuring
instrument
Electrical
＋ 0.1 ± 0.1 sec. chronometer
PN-2121D