Hitachi C3S3, Service Manual

Page: 39 / 69

3
8
Wiring before Drive Board Installation
Before drive board installation
(1) Wire the CNBAR.
(2) Wire and install the TSW.
(3) Lay and fix the lamp leads.
(4) Lay the #3020 lead.
(5) Wire the TSW.
(6) Apply the TAP7.
Fan for panel G
Fan for panel R
Fix the TSW cable and the #3020 lead with the
cable guide on the ballast cover.
INP. RC. board assembly
Do not loosen the TSW cable (to keep the cable
from coming near the power supply primary side).
Exhaust fan
Bend the ends of the lamp leads in the arrowed
direction (to prevent the leads from being caught
when installing the upper case).
Make a loop when passing the TSW lead through
the guide hole on the ballast cover.
Fan for panel B
RC board
Pass the #3020 lead through
the guide hole on the ballast cover.
Apply the TAP7 to fix the cable guide.
Hold the lamp leads and the TSW,
however, take care not to hold
the solder spot on the TSW
lead.
Solder spot
(holding the
wires together)
Solder spot
(holding the
wires together)
TSW
TSW
Check the model code.
Model: 120AR1U1N
Install the TSW with the
model code facing
downwards (so the
model code cannot be
seen after installation).
CNRM
#6221
#6220
CNTH
CNPOW
CNBAR
TAP7
Lamp
lead
TSW
#6222
CNLC
#3020
Side stamped
with the model
code