Sharp GX-CD1200W GL Service Manual download pdf (Page 9)

GX-CD1200W

– 9 –

CD SECTION

Since this CD system incorporates the following automatic adjustment function, when the pickup is replaced, it is not necessary

to reajust it.

Since this CD unit does not need adjustment, the combination of PWB and laser pickup unit is not restricted.

TEST MODE

While holding down the "PLAY" button, move the FUNCTION/POWER switch to "CD".

(To serial No.006XXXXX)

While holding down the "STOP" button, move the FUNCTION/POWER switch to "CD".

(From serial No.007XXXXX)

Start

Note

1. When the CD LID switch is in the OFF position, (CD LID is open) the unit will be able to enter the test mode.

However, can use the "UP/CUE" and "DOWN/REVIEW" button only.

2. You can only move the pickup.

3. The LCD display should be the same as it is for normal CD operations.

Operation

The use of the "UP/CUE" button will move the pickup to the outermost position.

The use of the "DOWN/REVIEW" button will move the pickup to the innermost position.

After connecting of the 10kΩ resistor between IC802 27 pin and GND and holding down the "PLAY" button, move

the FUNCTION/POWER switch to "CD".

Start

Display

LCD MODE

1. Remove the front cabinet according to the disassembly method.

2. Short the TP of the Figure 9 to turn on the CD LID SW 810.

3. While holding down the "PLAY" button, move the FUNCTION/POWER switch to "CD".

4. Open the CD LID and press the PLAY button. The laser lights up for a few seconds. (At this time, the pickup lens moves up

and down and adjusts the focus to check if there is a disc or not.)

LASER LIGHTING CONFIRMATION

Figure 9

SW810

OPEN/CLOSE

821

R846

R861

C825

R863

R844

R822

C823

C824

L802

C855

C846

R839

C847

R865

C848

X801

R832

C853

C845

C844

R835

C837

C843

C840

R840

L803

R836

C849

C858

C842

L801

C851

C850

R857

C852

804

Q804

R858

Q803

SW803

CUE/

TRACK UP

LCD801

SW804

REVIEW/

TRACK DOWN

R848

R849

R847

SW802

STOP

SW801

PLAY/

PAUSE

FW801

100

CD SERVO PWB-C1

SWITCH PWB-C3

CD CONTROL PWB-C2

CNS804

FW1

IC802

2345 178 6

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 39 40

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Sharp GX-CD1200W GL Service Manual Page 9

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