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SONY MZB50
Service Manual


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

Description of SONY MZB50 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 18 (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 11)
R517 L

C526

digital voltmeter TP914 (VR) TP5105 (GND)
C610

LCD display

VclPWM
762
MAIN BOARD (SIDE B)

2. Connect a digital voltmeter to the TP915 (VC) on the MAIN board, and adjust [EASY SEARCH +] key (voltage up) or [EASY SEARCH --] key (voltage down) so that the voltage becomes 2.5 ± 0.02 V. Proceed to the next step without pressing X key if voltage is
C504 C503

TP915 (VC)

already adjusted.
digital voltmeter
R609 C611 R608

TP914 (VR)
C501 R505 R507 C502

5

R937 R924 R936 R923 R937 R936 R923 R924

TP5105
MAIN BOARD (SIDE B)
TP915 (VC)

629

R520

C516 C511 C508 C 09

C504 C504 C503

TP915 (VC)

C517

TP5105 (GND)

(GND)
C610
R535 R535

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

• 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 11)
C514 R518 L L

R537 R537 R536

C514

C501 R505 C517 C516 C511 R520 C508 R507 C502

VrlVcl
764
TP5105 (GND)

2. Connect a digital voltmeter to the TP914 (VR) on the MAIN board, and adjust [EASY SEARCH +] key (voltage up) or

C514 R518

[EASY SEARCH --] key (voltage down) so that the voltage
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 11)
LCD display

becomes 2.5 ± 0.02 V. Proceed to the next step without pressing X key if voltage is already adjusted.
digital voltmeter TP914 (VR) TP5105 (GND)
C610

VrhVcl
763
MAIN BOARD (SIDE B)

2. Connect a digital voltmeter to the TP914 (VR) on the MAIN board, and adjust [EASY SEARCH +] key (voltage up) or [EASY SEARCH --] key (voltage down) so that the voltage becomes 2.75 ± 0.02 V. Proceed to the next step without pressing X key if voltage is already adjusted.

TP915 (VC)

TP914 (VR)
C501 R505 C517 629 R520 C516 C511 C508 C 09
R536 R518 C526

R517 R517

LCD display

C526

R507 C502

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

– 18 –

C503

TP5105 (GND)

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