Sony BKDS-PA3291, Руководство по обслуживанию

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2(E)
BVS-A3232
2-6. DC Fan Motor Replacement ....................................................................... 2-4
2-7. Connector Panel Replacement .................................................................... 2-5
2-8. MB-721 Board Replacement ....................................................................... 2-6
2-9. Cleaning ...................................................................................................... 2-7
2-10. Use of Extension Board EX-351 ................................................................. 2-7
2-11. Notes on Repair Parts .................................................................................. 2-8
2-12. ISR (Interactive Status Reporting) System ................................................. 2-9
2-12-1. Connection of Equipment .......................................................... 2-9
2-12-2. Mode Selection of REMOTE 3 Connector .............................. 2-11
3. Maintenance Mode
3-1. Mode Type .................................................................................................. 3-1
3-2. Normal Mode .............................................................................................. 3-2
3-3. Table Initialization Mode ............................................................................ 3-2
3-4. Test Mode .................................................................................................... 3-3
3-4-1. LED Test .................................................................................... 3-3
3-4-2. DIP Switch and Rotary Switch Test ........................................... 3-5
3-4-3. Crosspoint Test B ....................................................................... 3-5
3-4-4. S-BUS (REMOTE 1) Test ......................................................... 3-6
3-4-5. RS-232C (REMOTE 3) Test ...................................................... 3-7
3-4-6. RS-422A (REMOTE 2) Test ...................................................... 3-7
3-4-7. Buzzer Test ................................................................................. 3-8
3-5. Error Indications .......................................................................................... 3-8
4. Electrical Alignment
4-1. Power Supply Voltage Adjustment ............................................................. 4-1
4-1-1. +5 V Adjustment ........................................................................ 4-2
4-1-2. –15 V Adjustment ...................................................................... 4-3
4-2. CPU-94 Board ............................................................................................. 4-4
4-2-1. Crosspoint Phase Adjustment .................................................... 4-5
4-2-2. Buzzer Volume Adjustment ....................................................... 4-5
4-3. MX-82 Board .............................................................................................. 4-6
4-3-1. Adjustment Points List ............................................................... 4-6
4-3-2. Audio Level Adjustment ............................................................ 4-7
5. Spare Parts
5-1. Exploded Views .......................................................................................... 5-1
5-2. Electrical Parts List ..................................................................................... 5-8