Sony MZ-B100 M O O K, R e s u m e, R e s C l r, R501, L502, IC701, # # # N G, Connection

•MO Automatic Adjustment item

Mode No.	Description
112
113	MO electrical offset adjustment
114
118
221	Lower reflection CD tracking error gain adjustment
223	Lower reflection CD tracking error offset adjustment
232
236	Lower reflection CD ABCD level adjustment
244	Lower reflection CD focus gain adjustment
245	Lower reflection CD tracking gain adjustment
121	MO tracking error gain adjustment
122	MO tracking error offset adjustment

MZ-B100

[Laser Power Check]

Connection :

laser power meter

Optical pick-up objective lens

digital voltmeter

R501

R501

134	MO TWPP gain adjustment
131	MO double speed read TWPP offset adjustment
132
136	MO ABCD level adjustment
144	MO focus gain adjustment
145	MO tracking gain adjustment
434	MO write TWPP gain adjustment
431	MO write TWPP offset adjustment
432
436	MO write ABCD level adjustment
445	MO write tracking gain adjustment
411	MO normal speed read TWPP offset adjustment
412
448	32 cluster full recording
141	MO focus bias adjustment

AP913 (VC)

C502

			R501							1
				L502				C712		5
		L501			R506	C504
					E C B				10
									14
					Q501
		C501
						R502	R504	R503		C716
509	508	507	513	512	505

MAIN BOARD (SIDE A)

56	C709
	45	43
	50	42
			C711
		40

	IC701			35
				29
15	20	25	28	C715

10.If the result of automatic adjustment is OK, the following dis- play appears in the LCD:

LCD display

M O O K

141

11.If the result of automatic adjustment is NG, the following dis- play appears in the LCD:

LCD display

# # # N G

## # : Overall adjustment. NG mode number

12.If NG, set the manual mode. Perform automatic adjustment for the items not accepted. (See page 13)

13.To clear the data in overall adjustment mode, set the manual mode and change the mode number 021 (Res NV) to reset the NV. (See page 13)

14.When both CD and MO overall adjustments are OK, set the mode No. 043 (Resume) and clear the clock data.

LCD display

R e s u m e

043

rPress the X key, historical data clear

R e s C l r

043

Note: In step 10, set the clock data to 99Y11M11D11H11M00S, and in step 14, do not set the clock.

Check Method :

1.Select the manual mode of test mode, and set the laser power adjusting mode. (mode number 010)

2.Press the . key continuously until the optical pick-up moves to the most inward track.

3.Open the cover and set the laser power meter on the objective lens of the optical pick-up.

4.Press the N key, and set the laser MO read adjustment mode. (mode number 011)

5.Check that the laser power meter reading is 0.81 ± 0.08 mW.

6.Check that the voltage both ends of resitor R501 at this time is below 44 mV.

7.Press the N key, and set the laser CD read adjustment mode. (mode number 012)

8.Check that the laser power meter reading is 0.97 ± 0.10 mW.

9.Check that the voltage both ends of resitor R501 at this time is below 44 mV.

10.Press the N key, and set the laser MO write adjustment mode. (mode number 013)

11.Check that the laser power meter reading is 4.95 ± 0.50 mW.

12.Check that the voltage both ends of resister R501 at this time is below 80 mV.

13.Press the x key.

14.Release the test mode.

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