Sharp MD-S301MK, Service Manual

MD-S301MK

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    How to enter the TEST MODE (In STANDBY state)

1

 Holding down the PLAY MODE button of remote control unit, press the VOL       button and 

 button of main unit.

2

 Charge control "ON"

3

 Indication of microcomputer version for one second [

        ]

: Microcomputer ROM version
: EEPROM version

4

 All LCD lighting for 2 seconds

5

 TEST MODE STOP "_TEST_"

* When the 

 button is pressed while the indication 

3

 and 

4

 appears, the mode is changed to TEST MODE STOP state.

* If the 

 button is pressed while indication 

3

 to 

5

 appears, the EEPROM rewrite-enable area is updated, and the mode is changed

to STAND-BY state.

    How to leave the TEST MODE

1

 In the TEST MODE STOP state, version indication state and full-lighting state press the 

 button.

2

 Initialization of normal mode setting.

(BASS setting, VOL setting, etc.)

3

 EEPROM rewrite-enable area updating and adjustment error setting.

 (all items are adjusted when power is turned on in the normal mode)

4

 Change to standby state.

    Preliminary automatic adjustment or EEPROM  rewriting

1

 Short-circuit TP435 and TP421.

2

 Perform preliminary automatic adjustment or EEPROM rewriting.

3

 Press the 

 button to set the standby state.

4

 Release short-circuiting of TP435 and TP421.

ADJUSTMENT

    Preparation for adjustment (use the low reflection disc on which music has been recorded)

MD adjustment needs two types of disc, namely recording disc (low reflection disc) and Playback only disc (high reflection disc).

Type

Test disc

Parts No.

1

High reflection disc

MMD-110 (TEAC TEST MD)

88GMMD-110

2

Low reflection disc

MMD-212 (TEAC TEST MD)

88GMMD-212

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