Sony SLV-D300P (serv.man3) Service Manual ▷ View online
6-3
6-1-2 Head Switching Point Adjustment
1) Playback the alignment tape.
2) Intermittently short-circuit the two Test Points on Main PCB while setting the adjustment mode. (See Fig. 6-2)
3) Press the “1, 0” buttons ; remote control adjustment operates automatically. (See Fig. 6-1)
2) Intermittently short-circuit the two Test Points on Main PCB while setting the adjustment mode. (See Fig. 6-2)
3) Press the “1, 0” buttons ; remote control adjustment operates automatically. (See Fig. 6-1)
6-1-3 NVRAM Option Setting
1) NVRAM Option is adjusted in the factory.
2) In case Main PCB Micom (IC601) and NVRAM (IC603 ; EEPROM) are replaced, be sure to set the corresponding option number of the
2) In case Main PCB Micom (IC601) and NVRAM (IC603 ; EEPROM) are replaced, be sure to set the corresponding option number of the
required model. (If the option is not set, the unit will not operate )
1) Intermittently short-circuit the two Test Points on Main PCB. (See Fig. 6-2)
2) Press the “1, 4” buttons on the remote control, then option setting appears. (See Fig. 6-3)
3) Select the option number (See table 6-1) of corresponding model with “b, B, v, V” buttons on the remote control.
4) After selecting the option number is completed, press the “v” button of remote control.
(If “v” button is pressed, the selected number is changescolor. ; See Fig. 6-4)
5) Press the “ENTER” button of remote control again to store the option number.
6) Turn the Power off.
2) Press the “1, 4” buttons on the remote control, then option setting appears. (See Fig. 6-3)
3) Select the option number (See table 6-1) of corresponding model with “b, B, v, V” buttons on the remote control.
4) After selecting the option number is completed, press the “v” button of remote control.
(If “v” button is pressed, the selected number is changescolor. ; See Fig. 6-4)
5) Press the “ENTER” button of remote control again to store the option number.
6) Turn the Power off.
Fig. 6-3
Fig. 6-4
<Table 6-1 NVRAM Option Table>
MOVE : SAVE : ENTER
01
02 03
04
05
06
07
08
09 10 11 12 13 14 15 16
17 18 19
20
21
22 23 24
25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40
MOVE : COMPLETE
01
02 03
04
05
06
07
08
09 10 11 12 13 14 15 16
17 18 19
20
21
22 23 24
25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40
MODEL
OPTION NUMBER
SLV-D300P
2, 3, 7, 20, 21
6-4
6-2 DVD ADJUSTMENT
6-2-1 Location of Test Point
Fig. 6-5 Location of test Point (Main PCB - Top Side)
6-5
6-2-2 Skew Adjustment
6-2-2(a) Adjustment Spec. and Test Point
< Table 6-2 >
◆
Test Disc; Service not Available
Test Disc
Adjustment Spec.
Test Point
Adjustment Location
TDV-533
“ENV”
Ass’y Deck - Top Side
Chapter 14
Flat Waveform
(DVD Main PCB - Top Side)
(See Fig. 6-6)
(See Fig. 6-5)
Fig. 6-6 Ass’y Deck (Top Side)
6-6
6-2-2(b) SKEW Adjustment Method
Needed to minimize the variations in Skew of the Pickup unit and to provide optimum match with the recorded signal on the Disc.
1) Connect an Oscilloscope to the “ENV” Test Point (See Fig. 6-5).
2) Connect Power, Open the Tray and Play the TDV-533 Disc, Chapter 14.
2) Connect Power, Open the Tray and Play the TDV-533 Disc, Chapter 14.
◆ Set the Oscilloscope Range as follows :
(Voltage ; 50mV/Div., Frequency ; 10m Sec.)
3) Adjust the Screws “A” and “B” (See Fig. 6-6) using a Hex screwdriver until you obtain a Flat Waveform and the picture is stable.
Then, go to Chapter 1 and make sure the Waveform is Flat here as well.
If not, you have to go back to Chapter 14 and adjust again.
If you cannot obtain a Flat waveform, then the unit is defective.
If not, you have to go back to Chapter 14 and adjust again.
If you cannot obtain a Flat waveform, then the unit is defective.
Note
: The Deck must be in a horizontal position. Use both “A” and “B” screws to adjust.
Fig. 6-7 Envelope Waveform
Typical Waveform before Adjustment
Waveform after Correct Adjustment
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