Hitachi SM0541 Service Manual page 31

Power block wiring (board block SUB ASS'Y)
Attaching ballast power block
(1) Connect and wire CNPWR.
(2) Wire lamp lead.
(3) Wire CN1 and CD2.
(4) Wire TSW and CNPOW.
CN1
CD2
Lamp
lead
Pass lamp
lead through circuit
power case fastener.
FEB2
CNPWR
Lock CNPWR completely when connecting the connector
to ballast power CN100. Arrange the lead as shown
and attach FEB2 close to the circuit power.
Do not wedge in cooling wheel or igniter transformer.
Assembly procedure
(1) Pass CNBAR through ballast power block fastener and lock.
(2) Pass CN1 and CD2 through circuit power block fastener and lock.
(3) Connect one end of CNPWR to ballast power.
(4) Pass lamp lead through circuit power block fastener and lock when attaching
ballast power block to circuit power block.
Pass TSW and CNPOW through ballast power block fastener and lock.
Pass CN1 and CD2 through circuit power case fastener.
Caution: Parts differ for C10S and C10H.
Pass CNBAR through ballast
CNBAR
power case fastener.
CN100
Pass TSW and CNPOW
through ballast power case fastener.
Wiring diagram 2 (C10SM2)
After attaching ballast power block
(1) Secure FEB3.
CNPOW
Knot
TSW
Pass tie band through side hole
of ballast power case and secure FEB3.
Bind the band on back side of set
and crop loose end to minimize hindrance
when attaching upper case.
However, if any excess length of the SK
binder (Z2) comes into contact with the
projector lens, cut the excess off.
CNPOW
FEB3
Z2