IQ-USM 810 Service Manual

 

130447-1 Rev. A

tal Output 8 Off.

Send: DA DT CT 80 5C 09 01 CS; Set Control Port Digi- tal Output 9 On.

Send: DA DT CT C0 5C 09 00 CS; Set Control Port Digi- tal Output 10 Off.

Send: DA DT CT 80 5D 09 01 CS; Set Control Port Digi- tal Output 11 On.

Send: DA DT CT C0 5D 09 00 CS; Set Control Port Digi- tal Output 12 Off.

Send: DA DT CT 80 5E 09 01 CS; Set Control Port Digi- tal Output 13 On

Send: DA DT CT C0 5E 09 00 CS; Set Control Port Digi- tal Output 14 Off.

Send: DA DT CT 80 5F 09 01 CS; Set Control Port Digi- tal Output 15 On.

Send: DA DT CT C0 5F 09 00 CS; Set Control Port Digi- tal Output 16 Off.

Verify the odd control port outputs are on (> 3 volts) and the even control port outputs are off (<1 volts).

Use the following commands to set the even control port logical outputs on and the odd outputs off:

Send: DA DT CT 80 58 09 00 CS; Set Control Port Digi- tal Output 1 Off.

Send: DA DT CT C0 58 09 01 CS; Set Control Port Digi- tal Output 2 On.

Send: DA DT CT 80 59 09 00 CS; Set Control Port Digi- tal Output 3 Off.

Send: DA DT CT C0 59 09 01 CS; Set Control Port Digi- tal Output 4 On.

Send: DA DT CT 80 5A 09 00 CS; Set Control Port Digi- tal Output 5 Off.

Send: DA DT CT C0 5A 09 01 CS; Set Control Port Digi- tal Output 6 On.

Send: DA DT CT 80 5B 09 00 CS; Set Control Port Digi- tal Output 7 Off.

Send: DA DT CT C0 5B 09 01 CS; Set Control Port Digi- tal Output 8 On.

Send: DA DT CT 80 5C 09 00 CS; Set Control Port Digi- tal Output 9 Off.

Send: DA DT CT C0 5C 09 01 CS; Set Control Port Digi- tal Output 10 On.

Send: DA DT CT 80 5D 09 00 CS; Set Control Port Digi- tal Output 11 Off.

Send: DA DT CT C0 5D 09 01 CS; Set Control Port Digi- tal Output 12 On.

Send: DA DT CT 80 5E 09 00 CS; Set Control Port Digi- tal Output 13 Off

Send: DA DT CT C0 5E 09 01 CS; Set Control Port Digi- tal Output 14 On.

Send: DA DT CT 80 5F 09 00 CS; Set Control Port Digital Output 15 Off.

Send: DA DT CT C0 5F 09 01 CS; Set Control Port Digi- tal Output 16 On.

Verify the even control port outputs are on (> 3 volts) and the odd control port outputs are off (<1 volts).

Use the following commands to set the even control port logical outputs off:

Send: DA DT CT C0 58 09 00 CS; Set Control Port Digi- tal Output 2 Off.

Send: DA DT CT C0 59 09 00 CS; Set Control Port Digi- tal Output 4 Off.

Send: DA DT CT C0 5A 09 00 CS; Set Control Port Digi- tal Output 6 Off.

Send: DA DT CT C0 5B 09 00 CS; Set Control Port Digi- tal Output 8 Off.

Send: DA DT CT C0 5C 09 00 CS; Set Control Port Digi- tal Output 10 Off.

Send: DA DT CT C0 5D 09 00 CS; Set Control Port Digi- tal Output 12 Off.

Send: DA DT CT C0 5E 09 00 CS; Set Control Port Digi- tal Output 14 Off.

Send: DA DT CT C0 5F 09 00 CS; Set Control Port Digi- tal Output 16 Off.

4.6.12 CONTROL PORT ANALOG INPUTS

Spec: Each input measures 0, 5, and 10 VDC within 10%.

Procedure:

Inject 10 VDC into the odd Control Port Analog Inputs. Inject 5 VDC into the even Control Port Analog Inputs.

Use the following commands to verify the odd analog inputs are between $FF and $E6:

DA DT CT 81 54 0A CS; Get Control Port Analog Input 9 Return String: DA DT AK CT 81 54 0C IN9 CS

Send: DA DT CT 81 55 0A CS; Get Control Port Analog Input 11

Return String: DA DT AK CT 81 55 0C IN11 CS

Send: DA DT CT 81 56 0A CS; Get Control Port Analog Input 13

Return String: DA DT AK CT 81 56 0C IN13 CS

Send: DA DT CT 81 57 0A CS; Get Control Port Analog Input 15

Return String: DA DT AK CT 81 57 0C IN15 CS

5.13.4.Use the following commands to verify the even analog inputs are between $98 and $66:

Send: DA DT CT C1 54 0A CS; Get Control Port Analog Input 10

Return String: DA DT AK CT C1 54 0C IN10 CS

4-4 Maintenance

©2000 Crown International, Inc.

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Crown Audio IQ-USM 810 service manual Control Port Analog Inputs