Adjustment - Sharp IM-MT899H Service Manual

IM-MT899H/IM-MT899W
Test disc
MD adjustment needs two types of disc, namely recording disc (low reflection disc) and playback-only disc (high
reflection disc).
Type
1 High reflection disc
2 Low reflection disc
3 Low reflection disc
4 Extension cable
5 Extension relay PWB
Note: Use the low reflection disc on which music has been recorded.
Entering the TEST mode
1. Setting via port (when no disc is loaded, or the unit is in the stand-by mode or turned off)
(1) Set the port as follows.
TEST0 : "Low"
(2) Press the PLAY button in the stand-by mode. (You can also insert a disc or turn on the unit.)
(3) Test Mode STOP. [ T E S T _ ]
2. Setting by using special buttons (in the stand-by mode)
Test mode : Perform it with the remote control.
(1) Press the "PLAY" button while holding down the "MODE/DISPLAY" button.
(2) Release the "MODE/DISPLAY" button.
(3) Press the "VOLUME–" button while holding down the "PLAY" button.
(4) Initialize the normal mode settings (BASS setting, VOLUME setting, etc.).
(5) Test Mode STOP. [ T E S T _ ]
(6) To check the version of the microcomputer, press the VOLUEM +.
(The version will be displayed on the remote control, but not on the main unit.)
(7) Press the "VOLUME–" to light up the LCDs.
Leaving the TEST mode
(1) Press the STOP button when TEST appears.
Shipping setting method
(1) Insert the rechargeable battery. Do not close the battery lid.
(2) Close the lid while holding down the VOLUME– and PLAY button on the main unit simultaneously.
(3) When "Inl" appears, check that the LCD is lit.
Test Mode
EXTENSION RELAY PWB
(RUNTK0613AFZZ)
OPTICAL PICKUP(19)
MD MECHANISM
LCD/KEY PWB

ADJUSTMENT

Test disc
MMD-110 (TEAC Test MD)
MMD-213A (TEAC Test MD)
Recording mini disc
For operational inspection (extension cable for motors)
For operational inspection (extension relay PWB for motors)
EXTENSION CABLE
(QCNWN6936AFZZ)
MECHANISM FLEXIBLE PWB
LCD ASS'Y(238)
CNA01
Parts No.
88GMMD-110
88GMMD-213A
UDSKM0001AFZZ
QCNWN6936AFZZ
RUNTK0613AFZZ
MAIN PWB
CN601
Figure 12
– 12 –
CN451
CN101