Sony MZ-E800 service manual ChgPW1, ChgPW2, Assy11, 000 *** NG, Cd Ok, Mo Ok

•Adjustment method of normal charging current (item number 721)

1.Select the manual mode of the test mode, and set item number 721 (see page 13).

Remote commander LCD display

721 ChgPW1 **

**: Adjusted value

2.Connect a digital voltmeter between TP901 (BATT+) and TP902 (BATT-) on the MAIN board, and adjust with [VOL +]

key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 1.236± 0.036 V.

If the voltage is already adjusted, go to the next adjustment item without pressing the X key.

digital voltmeter

MAIN board

TP901 (BATT +)

TP902 (BATT –)

3. Press the X key to write the adjusted value.

• Adjustment method of trickle charging current (item number 722)

1.Select the manual mode of the test mode, and set item number 722 (see page 13).

Remote commander LCD display

722 ChgPW2 **

**: Adjusted value

2.Connect a digital voltmeter between TP901 (BATT+) and TP902 (BATT-) on the MAIN board, and adjust with [VOL +]

key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 0.168+0–0.036V.

If the voltage is already adjusted, go to the next adjustment item without pressing the X key.

digital voltmeter

MAIN board

TP901 (BATT +)

TP902 (BATT –)

3. Press the X key to write the adjusted value.

Adjustment and Connection Location:

– MAIN Board (Conductor side) –

TP902 (BATT –)

TP904

(SET GND)

TP918	TP903	TP919	TP901
(VC)	(2V IN)	(VR)	(BATT +)

Overall Adjustment Mode

• Configuration of overall adjustment

N > key Overall adjustment mode . key (Title display)

	CD overall
	adjusting
	All item	NG item exists
	OK	or x key
		CD overall
		adjustment
x key		NG
	CD overall
x key	adjustment
	OK
	N > key
	MO overall
	adjusting
		NG item exists
		or x key
		MO overall
		adjustment
x key		NG
	MO overall
x key	adjustment
	OK

[Test mode $display check mode%]

Note: Adjust the CD first, when performing adjustment.

•Adjustment Method of Overall CD and MO Adjustment Mode

1.Setting the test mode (see page 12).

2.Press the [VOL --]key activates the overall adjustment mode.

Remote commander LCD display

000 Assy11

3.Insert CD disc in the set, and press the . key to set the Overall CD Adjustment mode. Automatic adjustments are made.

Remote commander LCD display

XXXCD RUN

XXX:Item number for which an adjustment is being executed.

4.If NG in the overall CD adjustments, return to NV reset (see page 17) and perform the adjustment again.

Remote commander LCD display

000 *** NG

***: NG item number.

5.If OK through the overall CD adjustments, then perform over- all MO adjustments.

Remote commander LCD display

000 CD OK

6.Insert MO disc in the set, and press the N > key to set the Overall MO Adjustment mode. Automatic adjustments are made.

Remote commander LCD display

XXXMO RUN

XXX:Item number for which an adjustment is being executed.

7.If NG in the overall MO adjustments, return to NV reset (see page 17) and perform the adjustment again.

Remote commander LCD display

000 *** NG

***: NG item number.

8.If OK through the overall MO adjustments, press the x key to return to the test mode and terminate the Overall Adjustment mode.

Remote commander LCD display

000 MO OK

•Overall CD and MO adjustment items

1. Overall CD adjustment items

Item No.	Description
312
313	CD electrical offset adjustment
314
328	CD TWPP gain adjustment
321	CD tracking error gain adjustment
323	CD tracking error offset adjustment
332
336	CD ABCD level adjustment
344	CD focus gain adjustment
345	CD tracking gain adjustment
521	CD two-axis sensitivity adjustment
522
341	CD focus bias adjustment

2. Overall MO adjustment items

Item No.	Description
112
113	MO electrical offset adjustment
114
118
221	Low reflective CD tracking error gain adjustment
223	Low reflective CD tracking error offset adjustment
232
236	Low reflective CD ABCD level adjustment
244	Low reflective CD focus gain adjustment
245	Low reflective CD tracking gain adjustment
121	MO tracking error gain adjustment
122	MO tracking error offset adjustment
134	MO TWPP gain adjustment
131	MO TWPP offset adjustment
132
136	MO ABCD level adjustment
144	MO focus gain adjustment
145	MO tracking gain adjustment
141	MO focus bias adjustment

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