Test Mode - Sharp CD-CH1000 Service Manual

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.
Item Type
Version•Destination
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
System INITIAL
SOFT_RESET
CD CD_TEST
Tuner TUN_PRESET
TUNER_TEST
Outline of Test Mode
Name
1 Shipping status setting
2 Soft set setting
3 CD test
4 Tuner test
frequency preset
5 Tuner preset clear setting
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).
Table Character display for test mode 1
Item Type
Test mode name
CD disc inserted Operation
Set-Up Complete Function
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.

TEST MODE

Auxiliary display 1 2 3 4 5 6 7 8 : 9 10 Auxiliary display Note
V * •
Number
Example: V1. 1_W:_9
Shortcut Key Model
CD1 PLAY ALL
CD2 PLAY ALL
CD1 EJECT ALL
CD4 EJECT ALL
CD5 EJECT ALL
Description
Sets up the unit for shipping.
Initializes the unit.
Performs tests such as the CD mechanism test, hardware test,
and constant setting test.
Presets the test frequency.
Clears all presets.
Auxiliary display 1 2 3 4 5 6 7 8 : 9 10 Auxiliary display Note
I N I
C D *
F I N I
Character display
*
:
Span
Destination
Shipping status setting
Soft rest
CD test
Tuner test frequency preset
Tuner test
Character display
T I A L
O P E N
S H
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CD-CH1000
Left adjust in the first line