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SONY MZR70
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SONY MZR70 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 21 (click to view)
• Adjustment method of VC PWM Duty (L) (mode number: 762) 1. Select the manual mode of the test mode, and set the mode number 762. (See page 14)
LCD display

• Adjustment method of VC PWM Duty (H) (mode number: 765) 1. Select the manual mode of the test mode, and set the mode number 765. (See page 14)
LCD display

762

VclPWM

765

VchPWM

2. Connect a digital voltmeter to the TP915 (VC) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 2.5 ± 0.02 V. Proceed to the next step, if voltage is already adjusted.
digital voltmeter MAIN board TP915 (VC) TP5105 (GND)

2. Connect a digital voltmeter to the TP915 (VC) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 2.5 ± 0.02 V. Proceed to the next step, if voltage is already adjusted.
digital voltmeter MAIN board TP915 (VC) TP5105 (GND)

3. Press the X key to write the adjusted value. • Adjustment method of VREM PWM Duty (H) (mode number: 763) 1. Select the manual mode of the test mode, and set the mode number 763. (See page 14)
LCD display

3. Press the X key to write the adjusted value. • Adjustment method of VREM PWM Duty (H) (mode number: 766) 1. Select the manual mode of the test mode, and set the mode number 766. (See page 14)
LCD display

763

VrhVcl

766

VrhVch

2. Connect a digital voltmeter to the TP914 (VR) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 2.75 ± 0.02 V. Proceed to the next step, if voltage is already adjusted.
digital voltmeter MAIN board TP914 (VC) TP5105 (GND)

2. Connect a digital voltmeter to the TP914 (VR) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 2.75 ± 0.02 V. Proceed to the next step, if voltage is already adjusted.
digital voltmeter MAIN board TP914 (VC) TP5105 (GND)

3. Press the X key to write the adjusted value. • Adjustment method of VREM PWM Duty (L) (mode number: 764) 1. Select the manual mode of the test mode, and set the mode number 764. (See page 14)
LCD display

3. Press the X key to write the adjusted value. • Adjustment method of VREM PWM Duty (L) (mode number: 767) 1. Select the manual mode of the test mode, and set the mode number 767. (See page 14)
LCD display

764

VrlVcl

767

VrlVch

2. Connect a digital voltmeter to the TP914 (VR) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 2.5 ± 0.02 V. Proceed to the next step, if voltage is already adjusted.
digital voltmeter MAIN board TP914 (VC) TP5105 (GND)

2. Connect a digital voltmeter to the TP914 (VR) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --] key (voltage down) so that the voltage becomes 2.5 ± 0.02 V. Proceed to the next step, if voltage is already adjusted.
digital voltmeter MAIN board TP914 (VC) TP5105 (GND)

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

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

– 21 –

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