CD TEST MODE
1. Disassembly
1. Remove COVER TOP / COVER BOTTOM. 2. Remove the screws (as shown by arrows in Fig-1) of CD mechanism. See Fig-1.
Fig-1
2. Service Position
Check the function with the mechanism is set to a stable position. (Use a tool such as PLATE). See Fig-2.
Fig-2
3. Test Mode
1. Starting the CD Test Mode 1) Short-circuit the TEST land (TP904 - as shown by arrow in Fig-3) of the MAIN PWB, using solder. See Fig-3.
IC901
2) Connect the ACC (red) and BACKUP (yellow) wire of the power supply/speakers connector to the positive (+) terminal of the Power Supply device and the Ground (black) wire to the negative (�) terminal.
3) Adjust the voltage applied to the Power Supply device to 14.5V and then turn on the power. The test mode starts, and the LCD are all lit. See Fig-4.
Fig-3
2. Exiting the CD Test Mode 1) Turn off the power of the Power Supply device. 2) Remove all the wires from the power supply/speakers connector. 3) Remove the solder of the TEST land (TP904) of the MAIN PWB.
