Hitachi C3S3, Service Manual, Page: 35 / 69

3
4
9. W
iring diagram
Wiring for Circuit Power Supply and Ballast Power Supply Boards
Wiring for Ballast Power Supply Board
(1) Keep a record of the ballast power supply lot number in the 100% inspection record.
(2) Cut off the PVC sheet.
(3) Connect the CNPWR.
(4) Install the FEB2.
(5) Connect the CNBAR.
(6) Install the ballast shield (in accordance with the general assembly drawing). Wiring for Circuit Power Supply Board
(1) Keep a record of the circuit power supply lot number in the 100% inspection record.
(2) Connect the TSW.
(3) Install the FEB3.
(4) Connect the CNPOW.
(5) Connect the CNTH.
(6) Apply the TAP3.
Pass the leads through the
board holder notch.
Connect the CNBAR to connector J2,
while holding down the small board mounted
with the J2 (to prevent stress on the small board).
Cut off the PVC sheet by bending it back and forth 2 or 3 times with
your hand, while holding down the double-coated adhesive tape affixed
to the igniter transformer so the tape cannot come off.
Perforation
Igniter transformer
Cut off the sheet by bending it back
and forth 2 or 3 times.
Connect the FEB2 (ferrite core) to the
CNPWR then move the CNPWR to
the connector as illustrated below:
Install the sensor board after completing the following steps:
Connect the CNTH to connector
E950 on the sensor board.
Make sure that connector E950 has
been securely connected then apply
the TAP3 (to prevent detachment).
Connect the CNPWR to connector
J1 then make sure that the CNPWR
is completely locked.
Connect the FEB3 (ferrite core)
to pins 2-8 of the CNPOW.
Make sure that the CN102 and the CN104 have been securely
connected (since they cannot be checked in subsequent processes).
CN104
CN102
CN101
1pin
2-8pin
9-14pin
FEB3
CNPOW
TSW
Sensor board
Sensor board
CNTH
E950
TAP3
J1
J2
CNBAR
FEB2
CNPWR