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Troubleshooting
■ Terminal boards DVI, Component, AV and
D-SUB15 :
1. Check that the R and L signals are correct.
Pins122(R) and 33(L).
K80H, K10H, K3101 and K71H.
Some of the Terminal boards are optional. Factory set of ter-
minal board is different by projector models. See “Input
jacks” of specifications on page-2.
■ Assembly Motor audio :
1. Check that the Vcc-voltages are correct.
2. Check that the R and L input signals are correct.
Pins 2(R) and 5(L) of IC001
3. Check that the AUDIO MUTE signal is correct.
4. Check that the SP-OFF signal is correct.
5. Check that the IC001 output signals are correct.
Pins 10(L) and 7(R).
■ Assembly CG-Mother :
1. Check that the R and L signals are correct.
Pins 3(R) and 13(L) of IC9002.
■ Assembly Main :
1. Check that the Vcc-voltages are correct.
2. Check that the R and L input signals are correct.
Pins 2 and 19 of IC1851
3. Check that the IC1851 output signals are correct.
Pins 7(L) and 14(R).
4. Check that the audio output signals are correct.
Pins 7(L) and 1(R) of IC1871.
5. Check that the AUDIO MUTE signal is correct.
6. Check that the SP-OFF signal is correct.
7. Check that the SDA-signal is correct. Pin 9 of IC1851.
8. Check that the SCL-signal is correct. Pin10 of IC1851.
This model is not equipped with the SLOT-4(Input-4).
Some of the Terminal boards are optional. Factory set of ter-
minal board is different by projector models. See “Input
jacks” of specifications on page-2.