Sharp CD-CH1000 Service Manual download pdf (Page 21)

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CD-CH1000

Table Character display for test mode 1

In the destination display, a destination code is displayed. For the span display, "9" means 9 kHz/50 kHz, and "10" means 10/

100 kHz.

Item Type Auxiliary display 1 2 3 4 5 6 7 8 : 9 10 Auxiliary display Note

Test mode name I N I T I A L

CD disc inserted

Operation

CD* OP EN

Set-Up Complete Function F I N I S H

Character display

Outline

While the unit is turned off, press the POWER key while holding down the VOLUME-DOWN and PANEL OP/CL keys to enter

the test mode selection mode. Then, the unit is started, the panel is opened, and the microcomputer's version/destination/span

is displayed. If the following data is entered from the keyboard while in the test mode selection mode, the unit directly enters

the specified test mode. This operation is applied to the main unit's keys only.

In the destination display, a destination code (H/W/U/J) is displayed. For the span display, "9" means 9 kHz/50 kHz, and "10"

means 10/100 kHz. All pictures will disappear except the characters.

By pressing the specific key, you can enter the test mode whose functions are as follows:

Menu display Shortcut Key Model

System INITIAL CD1 PLAY ALL Shipping status setting

SOFT_RESET CD2 PLAY ALL Soft rest

CD CD_TEST CD1 EJECT ALL CD test

Tuner TUN_PRESET CD4 EJECT ALL Tuner test frequency preset

TUNER_TEST CD5 EJECT ALL Tuner test

Outline of Test Mode

Item Type Auxiliary display 1 2 3 4 5 6 7 8 : 9 10 Auxiliary display Note

Version•Destination V * • * Left adjust in the first line

Character display

Example: V1. 1_W:_9

Number

Destination

Span

Shipping status setting test mode

Purpose: To Set up the unit for shipping.

Function: To check the unit for a CD disc, and initialize all functions.

Operation: While checking for a CD disc, the test name (INITIAL) is displayed.

The initial operation for a CD disc is performed. In this operation, the unit is checked for a CD disc.

If a CD disc is found in the unit during the initial operation, "CD* OPEN" is displayed, the tray is opened (only for the

disc found first), and the unit is turned on via the CD function normally.

If no CD disc is found, the CD mechanism is placed in the chucking status.

After the unit is checked for discs, all settings are initialized, "FINISH" is displayed as in the sample display, and data entry is

prohibited including data to turn on or off the unit.

To exit the test mode

The unit returns to the normal operation through reset entry (hard).

TEST MODE

Name Description

1 Shipping status setting Sets up the unit for shipping.

2 Soft set setting Initializes the unit.

3 CD test Performs tests such as the CD mechanism test, hardware test,

and constant setting test.

4 Tuner test Presets the test frequency.

frequency preset

5 Tuner preset clear setting Clears all presets.

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Sharp CD-CH1000 Service Manual Page 21

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