Proxima Multimedia LCD Projectors Halogen Servisní příručka stáhnout pdf (Strana 16)

CP-SX1350(P5SX+)

PWB assembly Drive

Check at operating mode

(Make sure the state of MUTE and Volume,

and the setting of SPEAKER in OPTION menu)

No sound

YES

PWB assembly Signal

Power unit (circuit)

Are signal input

at each pin on the PWB

assembly Drive?

infinity

about 8

Speaker

Disconnect

speakers from the

PWB assembly Drive, and

measure their

resistance.

Are voltage input

at each pin on the PWB

assembly Drive?

CHV26 : Audio (L)

CHV33 : Audio (R)

: +16.5V

: +15.0V

: +4.0V

: +6.0V

E800

E811

The check after parts change

1. PC power supply OFF

2. Connection of cable

3. Projector starting

4. PC starting

*When not operating :

PC set up change of cable.

Can not control to RS-232C

PWB assembly Drive

YES

Use cross cable

Check the

RS-232C cable.

Are pin No. 2 and 3

crossed?

Power unit (circuit)

Check the

power supply voltage

of E800 the voltage

correct?

: +16.5V

: +15.0V

:+4.0V

:+6.0V

E800

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 77 78

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Proxima Multimedia LCD Projectors Halogen Servisní příručka Strana 16

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