Yamaha DME 32 Service Manual page 25

2-3-6. SWITCH
Press the switches in the sequence indicated and the results of the
diagnosis will be shown.
2-3-7. DATA ENCODER
Turn [DATA] knob in the direction indicated and the results of
the diagnosis will be shown.
2-3-8. GPI
Connect the GPI inspection jig to the GPI terminal indicated.
(1) GPI IN
Operate the jig and results of the minimum and maximum input
voltage diagnosis will be shown.
(2) GPI OUT
Check that the LEDs for the jig come on. Click [OK] or [NG] for
each channel.
2-3-9. PCM-CIA CARD
Follow the instructions and insert the PCM-CIA card into the
[CARD] slot. Click [OK] and the results of the diagnosis will be
displayed.
2-3-10. USB
Follow the instructions and connect the USB terminal of the PC
(Windows machine) and the [USB] terminal of the DME32.
Click [OK] and the results of the diagnosis will be displayed.
2-3-11. VERSION
Displays the software version for the DME32 main unit.
BOOT VERSION: This is the software version that has been written
to the ROM in the CPU.
FIRM VERSION: This is the software version that has been written
to the flash memory.
3. Inspection
3-1. Output voltage measurement (Slot section)
• Measures each output voltage from CN2 of the slot inspection jig.
CN2 Pin No. Output Voltage
Pin 1 +15 V
Pin 2 +5 V
Pin 3 -5 V
Pin 4 +20 V
Pin 5 -15 V
Pin 6 GND
Pin 7 +3.3 V
3-2. Jitter Measurement
• Insert MY4-AE into [SLOT1]
Connect the output connector for the MY4-AE card and the D-sub
CANNON conversion box with a D-sub 25P cable. Connect the
D-sub CANNON conversion box with a 150 ohms impedance
CANNON cable.
• Follow the instructions on the test program and input a 44.1 kHz/
48 kHz signal from the transmitter to the [WORD CLOCK IN]
terminal.
DME32
Permissible Range
+15 V +/- 5 %
+5 V +/- 5 %
-5 V +/- 5 %
+20 V +/- 5 %
-15 V +/- 5 %
–
– (Not supplied)
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