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Good quality Service Manual, availability of components includes disassembly, electronic adjustments. Includes a full list of details and diagrams. Contains 58 pages.
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y'm hapy for this shoping . Estoy feliz por esta compra , ahora puedo reparar mi equipo de audio que AMO . And very good price for this manual . Thank yuo .
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Perfect manual, perfect service. Easy reading. Thanks a lot
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Very good quality download here. Great hard to find manuals at a reasonable price.
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I had a problem with the mains transformer, I did not know the voltages on the secondary, this manual helped me to solve this problem, thanks for the manual!
MJ-NS1
6.1.3 MD Mechanism Assy Adjustment and Check 1 Temperature Check (Please perform this check soon after the power has been switched on.)
Note: When IC101 (RF-AMP) or IC104 (mechanical controller) has been exchanged or when a correction changing VD+3 has been made, be sure to correctly perform all steps up to step 7.
Step No.
1 2 3
Operation Keys and Operation Method
In the Power ON state, selecting MD function,short the "MECHA TEST pin". Press the ¶ (REC) key. When && is 80 or more at this time, the adjustment is OK (step 4 and following can be omitted.)
FL Display
EJECT TEMP??&& Test mode
Status
Remarks
The microcomputer starts measuring ??: Measuring value End &&: Set value 80 is the default value (unadjusted). TEMP
When && is 80 (not passed) Measure the ambient temperature T (°C) and check that the measuring value (??) is within the standard in regard to the microcomputer set value (&&). 4 Note: When the indication of the measuring value (??) is not stable, and the ambient temperature T (°C) is 25 °C or less, set to the lower value. When the ambient temperature is over 25 °C, set to the higher value.
TEMP??80
µ-com Measuring value Room Temperature [T (°C)] 11.6 to 16.9 17.0 to 22.3 22.4 to 27.6 27.7 to 33.0 33.1 to 38.4
µ-com Set value hex= (?? � &&)
Measuring value (??) �2 Measuring value (??) �1 Measuring value (??) Measuring value (??) +1 Measuring value (??) +2
When the microcomputer value is
79 7A 7B 7C 7D
� +
5 6
Change && with the + key and � key. Turn off the power of the CD tuner.
TEMP 7B 7B Data writes to the EEPROM and turns the system power to off. Test mode returns to the normal mode.
2 Laser Power Check
Step No.
1 2 3
Operation Keys and Operation Method
In the Power ON state, selecting MD function,short the "MECHA TEST pin". Press the SET key (Remote control unit). Measure the laser power with an optical power meter.
FL Display EJECT Test mode ppw ppw
Status
Remarks
Laser wavelength: 780 nm
PLAY power output status
TEMP At this time, check that the measuring value (PLAY power) meets the standard value of the table on the right. 4 Note: When the standard value on the right is applied, the numerical value immediately after entry into test mode 2 shall be taken as the standard. ppw µ-com Measuring value hex=(?? � &&) +02 to +04 �01 to +01 �02 to �04 5 Press the SET key. At this time, check that the measuring value (REC power) meets the standard value of the table on the right. rpw µ-com Set value Standard value (mW) 0.69 ± 0.12 0.67 ± 0.1 0.63 ± 0.1 May be omitted.
REC power output status hex=(?? � &&) Standard value (mW) 6.18 ± 0.93 5.79 ± 0.87 5.47 ± 0.82
6
rpw
+02 to +04 �01 to +01 �02 to �04 The LD goes out.
7
Press the 7 (STOP) key.
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