Roland HP 555G Bedienungsanleitung PDF herunterladen (Seite 12)

Nov. 1998

HP-335

KEYBOARD PA-4A88-C2 CIRCUIT DIAGRAM

TEST MODE

Required items

MIDI cable (1.5m or longer Part No.23485229 1.5m)

Computer test cable for SOUND CANVAS SC-88 (Part No.17049906)

Microphone

Oscilloscope

1. To enter the test mode

Get into the FUNCTION MODE from pressing [Function] button after

turning the power On. (Each LED may brink.)

Then press [Function] button while holding down the [Track 2] and

[Play] buttons. 'JIG' is displayed and the piano shall automatically enter

into the TEST MODE.

Press [Function] button to get into stage 2.

* To exit the Test Mode, turn the power Off.

* To proceed on the next mode, press [Function] button. However,

there are some mode that will move to the next item automatically.

Please refer to the explanations written to the each mode.

NOTE : When there is a malfunction during the TEST MODE,

switch the power On again.

2. Display of DEVICE CHECK, ROM VERSION

* DEVICE CHECK

When enter into the TEST MODE, the DEVICE CHECK will be

executed automatically. If there is no malfunction, ROM VERSION is

displayed to the 7-SEG LED.

In the event of a malfunction, one of the following shall be displayed.

7-SEG LED Failed DEVICE

: Program ROM

: Working DRAM

: Wave ROM

: DSP RAM

Press [Function] to go on the TEST MODE.

* BUILD NUMBER

This numbers are displayed for factory purpose only, please

ignore when you execute test mode.

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Roland HP 555G Bedienungsanleitung Seite 12