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Sony BVM-2011P User Manual

Sony BVM-2011P
275 pages
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SONY.
TRINITRON@ COLOR VIDEO MONITOR
BVM-1911
BVM-2011P
BVM-1911
Chassis No. SCC-A97C-A
BVM-2011P
Chassis No. SCC-826C-A
IIHII iii::11: TR IN ITRON
OPERATION AND MAINTENANCE MANUAL
1st Edition
Serial No. 2000001 and Higher(BVM-1911)
Serial No. 2000001 and Higher (BVM-2011 P)

Table of Contents

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Sony BVM-2011P Specifications

General IconGeneral
BrandSony
ModelBVM-2011P
CategoryMonitor
LanguageEnglish

Summary

Section 1 Operation

1-4. Menu Operations

1-4-2. Setting the Input Configuration

Details how to assign input signals to the front panel input selectors via the menu.

1-4-3. Presetting the Picture Levels

Explains how to set and store phase, chroma, brightness, and contrast levels in registers.

1-4-4. Selecting the White Balance

Describes how to store and select white balance settings in registers.

1-4-5. Changing and Applying the Password

Details the procedure for setting, changing, and applying a password to restrict menu access.

1-4-7. Defining the Monitor Configuration

Details how to specify installed optional boards, signal configurations, and monitor types.

1-5. Convergence Adjustments

1-5-1. Convergence of a 4:3-Aspect Normal Picture

Adjusts the convergence for 4:3 aspect ratio normal scan mode.

1-6. Picture Adjustments

1-6-1. White Balance Adjustment

Adjusts the monitor's white balance at lowlight and highlight levels using test signals.

1-6-2. Black Level Adjustment

Matches the monitor's black reference to the input signal's black level for accurate display.

SECTION 3 CIRCUIT DESCRIPTIONS

3-1. OA, OB, BA BOARDS

Describes the input circuit, including cable compensation and hook-up circuits.

3-2. BG BOARD

Describes the luminance signal circuit, including filter and aperture control.

3-3. BH BOARD

Explains switching circuits for Y, crosshatch, setup, R-Y, G-Y, B-Y signals, and AGC pulse insertion.

3-5. SYNC PROCESSOR, PULSE GENERATOR (BJ BOARD)

Explains the processing of the 1H pulse from composite sync signals.

3-8. NTSC COMB FILTER (BT BOARD)

Explains the 3-line dynamic comb filter for chroma and luminance separation.

3-9. PAL DEMODULATOR, Y TRAP CIRCUIT (BD BOARD)

Details the chroma band pass filter used in the PAL system.

3-10. NTSC DEMODULATOR, Y TRAP CIRCUIT (BC BOARD)

Describes the chroma band pass filter for the NTSC system.

3-11. VERTICAL DEFLECTION OUTPUT CIRCUIT CONVERGENCE OUTPUT CIRCUIT (EB BOARD)

Details the vertical deflection output amplifier and boost-up circuit.

3-12. POWER SUPPLY CIRCUIT (GA, GB BOARDS)

Describes the AC power supply and rectifier circuit, including voltage selection.

3-13. CONVERGENCE CIRCUIT (DB, DC BOARDS, DCT BLOCK)

Provides a general overview of the convergence system and its basic principles.

3-14. DEFLECTION CIRCUIT (DA BOARD)

Details the horizontal delay function and H AFC circuit for stable scanning.

3-15. HORIZONTAL OUTPUT (EA BOARD)

Describes the horizontal deflection output circuit, including driver and output transistor.

3-16. HIGH VOLTAGE REGULATOR (PA BOARD)

Describes how high voltage applied to the CRT anode is detected and converted.

SECTION 4 ADJUSTMENTS

4-2. CIRCUIT BOARDS LOCATION

Illustrates the physical location of various circuit boards within the monitor.

4-5. SETUP ADJUSTMENT IN CASE OF PICTURE TUBE REPLACEMENT

Details the steps for landing adjustment, including DY and neck assembly positioning.

[Focus adjustment]

Explains how to adjust the focus control for optimal picture sharpness.

[Convergence Adjustment]

Describes static convergence adjustments using DCT and BMC magnets.

[DYNAMIC CONVERGENCE]

Details the dynamic convergence adjustment for 4:3 aspect ratio pictures.

Convergence adjustment of 16:9 aspect picture.

Explains the dynamic convergence adjustment for 16:9 aspect ratio pictures.

WHITE BALANCE ADJUSTMENT

Procedure for adjusting and storing white balance settings using test signals and meters.

1. SUB CHROMA, SUB PHASE ADJUSTMENT

Adjusts chroma and phase levels using preset menu and front panel controls.

2. BJ Board BRT PULSE ADJUSTMENT

Adjusts the BRT pulse waveform on the BJ board using an oscilloscope.

BJ Board SUMPRING PULSE ADJUSTMENT

Adjusts the SUMPRING PULSE waveform on the BJ board using an oscilloscope.

3. EACH CHANNEL LEVEL ADJUSTMENT

Adjusts the input signal level on the BA board using an oscilloscope.

4. BA Board INPUT CIRCUIT FREQUENCY CHARACTERISTIC ADJUSTMENT

Adjusts the input circuit frequency characteristics on the BA board.

5. BG Board FREQUENCY CHARACTERISTIC ADJUSTMENT

Adjusts the frequency characteristics of the BG board using CV1, CV2, and CV3.

6. COMPONENT INPUT LEVEL ADJUSTMENT

Adjusts the component input signal levels on the BG board using RV21 and RV22.

7. BJ Board BURST GATE PULSE ADJUSTMENT

Adjusts the burst gate pulse width on the BJ board using RV8 and RV4.

8. BC Board BPF ADJUSTMENT (BVM-1911 ONLY)

Adjusts the band pass filter on the BC board using L3.

9. BC Board PHASE SHIFT ADJUSTMENT (BVM-1911 ONLY)

Adjusts the phase shift on the BC board using the front panel PHASE control and RV3.

10. BC Board 3.58MHz fo ADJUSTMENT (BVM-1911 ONLY)

Adjusts the 3.58MHz frequency on the BC board using CV2.

11. BC Board COLOR DIFFERENCE PHASE ADJUSTMENT (BVM-1911 ONLY)

Adjusts the color difference phase on the BC board using oscilloscope and RV2.

12. BC Board COLOR DIFFERENCE LEVEL ADJUSTMENT (BVM-1911 ONLY)

Adjusts the color difference levels on the BC board using RV4 and RV5.

13. BC Board Y TRAP ADJUSTMENT (BVM-1911 ONLY)

Adjusts the Y trap on the BC board to minimize the 3.58MHz subcarrier.

SECTION 5 DIAGRAMS

SECTION 6 EXPLODED VIEWS

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