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Information
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Featured Product
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- Precaution
- Product Specifications
- Disassembly and Reassembly
- Alignment and Adjustments
- Special Circuit Descriptions
- Troubleshooting
- Exploded Views and Parts List
- Electrical Parts List
- Block Diagrams
- PCB Diagrams
- Wiring Diagram
- Schematic Diagrams
- Disassembly and Reassembly
- Exploded View and Parts List
- Electrical Parts List
- PCB Diagram
- Schematic Diagram
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Doubted for buy this manual as it is my first order here and at not have cover image, I assumed would haven't. However, within 24 hs, already possessed the link to download it. The manual are scanned correctly and have all what is needed. Includes adjustments and diagrams of all circuits. Very satisfied.
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Really good quality, аll readable.! Wonderful work shop. I recommend to all!
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Good quality service manual.The scheme is on A3 format and very readable.Thank you
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Very good service-manual with clear electrical diagrams. Thanks you.
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the manual is in quite good quality and it's in pdf. manual was send in less then 6h.
4-3 CD
4-3-2 To Adjust Tracking Gain (PLAY mode)
1. Connect the GND terminal of the oscilloscope to VR and (+) terminal to TP2. 2. Load and play the disc 3. While the disc is running adjust the gain with NVR1704 as shown below. Normal frequency Low frequency High frequency
---0 V
---0 V
---0 V
TE CENTER FE CENTER E.F BAL F.BIAS
VOLT/DIV : 0.2V TIME/DIV : 2mS
VOLT/DIV : 0.2V TIME/DIV : 2mS
VOLT/DIV : 0.2V TIME/DIV : 2mS
NVR1704 NVR1703 NVR1702
NVR1701
4-3-3 To Adjust Focus Gain (PLAY mode)
1. Connect the GND terminal of the oscilloscope to VR and (+) terminal to TP1. 2. Load and play the disc. 3. While the disc is running adjust the gain with NVR1703 as shown in the following figure. Normal frequency Low frequency High frequency
Vref
---250mV ---100mV ---0 V ---100mV ---0V ---0 V
TP1 TP2
VOLT/DIV : 0.1V TIME/DIV : 2mS
VOLT/DIV : 0.1V TIME/DIV : 2mS
VOLT/DIV : 0.1V TIME/DIV : 2mS
4-3-4 To Adjust E/F Balance (PLAY mode)
1. Set TIME/DIV of the oscilloscope to 2mS. 2. Set Volt/DIV of the oscilloscope to 0.5V. 3. Ground the scope input and set to DC. and then set the DC range. 4. Connect the GND terminal of the oscilloscope to VR and (+) terminal to center to TP2. 5. Load and play the disc. 6. Turn NVR1704 counterclockwise to the minimum value. 7. Raise NVR1702 and adjust the waveform so that its middle comes to GND of the oscilloscope (or until the upper half of waveform becomes symmetrical to the bottom half, A=B) 8. Adjust NVR1704 (arrow) for normal sound.
4-3-1 To Adjust FOCUS BIAS(STOP mode)
1. Set Volt/Div of the oscilloscope to DC 100mV. 2. Ground the scope input and set the waveform to 0V, DC range. 3. Connect the GND terminal of the oscilloscope to VR, and (+) terminal to center of TP1. 4. Set NVR1701 to 0mV.
0V A
B A=B
4-4
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