Lexicon MC-1, Service Manual

Page: 18 / 138

MC-1 Service Manual
4-6
RecVCR: 53 RecDVD: 52 RecV-DISC: 51 RecTV: 50
RecAUX: 4F RecCD: 4E RecTUNER: 4D RecTAPE: 4C
S-Video Input to S-Video Monitor / Records (1 and 2) Outputs Tests
Setup
1. Connect the S-Video output from the DVD player to the MC-1 VCR S-Video input.
2. Connect the S-Video Monitor output of the MC-1 to the video display's Monitor S-Video input.
3. Place the MC-1 into Extended Diagnostics mode by applying power to the MC-1 while pressing and
holding down both the REC/ZONE2 and EFFECT buttons on the front panel until Extended Diagnostics
appears on the display
4. Press the TV button on the remote to select the VIDEO Test. Press and hold Shift, then press the ON
button. This will set the MC-1 to except an external video source for testing.
5. Turn on the video source and monitor.
Test
1. To test the VCR S-Video input to Video Record S-Video output path, press the Dolby button on the
remote. The # 20 will appear next to the Video Test message on the display. This indicates the path
has been set.
2. Press Play on the video source.
3. Verify a clear, undistorted picture appears on the monitor.
4. Pause the video source.
5. Move the S-Video input cable from the VCR input to the DVD input. Press the DVD button. The # 21 will
appear confirming this video path is set.
6. Repeat steps 2-4.
7. To test the remaining S-Video inputs, move the video cable to the next S-Video input and press the
corresponding buttons to set up the video paths. Below are the buttons and code #’s for each video
input.
Dolby Digital: 20 (VCR
input) THX: 21 (DVD input) Logic 7: 22 (V-DISC
input)
DTS: 23 (TV input) 2 CH: 24 (AUX
input) PARTY: 25 (CD input)
TV M: 26 (TUNER input) MUSIC: 27 (TAPE
input)
8. To test the Record S-Video output port of the MC-1, switch the S-Video cable from the S-Video Monitor
output jack to the S-Video Record output jack.
9. Select the MC-1's 8 S-Video inputs for the S-Video Record output from the remote according to the
table below. Example: Pressing and holding the Shift button on the remote then pressing the VCR
button selects the VCR S-Video input for the Record S-Video output. The # 93 will appear in the display
to confirm this. Below are the button combinations and code #’s for each video input.
ShiftVCR: 93 ShiftDVD: 92 ShiftV-DISC: 91 ShiftTV: 90
ShiftAUX: 8F ShiftCD: 8E ShiftTUNER: 8D ShiftTAPE: 8C
Expansion Port Digital Input to Analog Output Test
This test will confirm that the MC-1’s 3 expansion ports (A, B, and C) will pass audio.
The test does not require the MC-1 to be in Extended Diagnostics. It is preformed in normal running mode.