CRT:PVM-14M4: Difference between revisions

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{{Infobox/CRT
{{Infobox/CRT
|model = PVM-14M4U
|model = PVM-14M4U <br> PVM-14M4A <br> PVM-14M4J <br> PVM-14M4B <br> PVM-14M4DE <br> PVM-14M4E
|manufacturer = Sony
|manufacturer = Sony
|type = Professional
|type = Professional
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|operation_manual =  
|operation_manual =  
|service_manual =  
|service_manual =  
|service_bulletins =
|brochure =  
|brochure =  
}}
}}


Sony's PVM-14M4U Color Production SMPTE-C Monitor is a convenient professional video option. This 14-inch Trinitron color production monitor features SMPTE-C phosphors for accurate color matching, knob-type controls for easy setup, and a menu-driven CPU with on-screen display (OSD). The monitor accepts NTSC, NTSC (4.43), PAL, SECAM in Composite, Y/C and RGB, and Y/R-Y/B-Y formats. SDI with the optional BKM-101C card, call for details on the SDI card!
Sony's PVM-14M4U Color Production SMPTE-C Monitor is a convenient professional video option. This 14-inch Trinitron color production monitor features SMPTE-C phosphors for accurate color matching, knob-type controls for easy setup, and a menu-driven CPU with on-screen display (OSD). The monitor accepts NTSC, NTSC (4.43), PAL, SECAM in Composite, Y/C and RGB, and Y/R-Y/B-Y formats. SDI with the optional BKM-101C card, call for details on the SDI card.


---
This set features the HR Trinitron and has a resolution of 800TV lines. Good all-around PVM for sitting on your desk or other space-saving applications. Not the most reliable PVM series but common repairs are well documented. There were several board revisions, getting a later model-year will ensure a more reliable experience. Sony changed the spec of several commonly failing capacitors.
 
Featuring one of the latest developments in Sony display technology, the HR Trinitron, the M4 Series of monitors has a resolution of 800TV lines.
 
With stunning picture performance, flexibility of signal connections, a full range of optional functions and ease of operation, these new Sony monitors are designed to meet the demands of a wide range of picture monitoring and production applications.
 
Good all-around PVM for sitting on your desk or other space-saving applications. Not the most reliable PVM series but common repairs are well documented.
 
There were several board revisions, getting a later model-year will ensure a more reliable experience. Sony changed the spec of several commonly failing capacitors.


== Common Repairs ==
== Common Repairs ==
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Check if underscanning (either with toggle swith or due to V-Height). If not underscanning then there is a deflection capacitor failure. Replace C-572 and C-584 on A Board. There is an old reccomendation to adjust the V-BLNK (V-Blanking) value in the serivce menu to 'push' the lines up off of the screen but this is not reccomended and only a temporary fix at best. It can further accelerate the death of the aforementioned capcitors and cause damage to other components. More information here: RetroTech on YouTube
Check if underscanning (either with toggle swith or due to V-Height). If not underscanning then there is a deflection capacitor failure. Replace C-572 and C-584 on A Board. There is an old reccomendation to adjust the V-BLNK (V-Blanking) value in the serivce menu to 'push' the lines up off of the screen but this is not reccomended and only a temporary fix at best. It can further accelerate the death of the aforementioned capcitors and cause damage to other components. More information here: RetroTech on YouTube
== Media ==


== Sources ==
'''Power on, tally light, no response from buttons, no picture displayed:'''
https://crtdatabase.com/ ([https://creativecommons.org/licenses/by-sa/4.0/ CC BY-SA 4.0])


See [[:Media:PVM_Repair_Guide_-_Green_Red_Tally_Light_Error_Fault.pdf|this guide which addresses the issue]].


== Technical Bulletins ==
== Technical Bulletins ==


{{unlabelled table warning}}
{| class="wikitable sortable"
 
{| class="wikitable"
|+ PVM-14M4
|+ PVM-14M4
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| [[File:202001147.pdf]] || {{File:202001147.pdf}}
| [[File:202001147.pdf]] || {{File:202001147.pdf}}
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| [[File:202003212.pdf]] || {{File:202003212.pdf}}
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| [[File:301999107.pdf]] || {{File:301999107.pdf}}
| [[File:301999107.pdf]] || {{File:301999107.pdf}}
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| [[File:302008024.pdf]] || {{File:302008024.pdf}}
| [[File:302008024.pdf]] || {{File:302008024.pdf}}
|-
| [[File:B-DPMO01-059R4-0.FM.pdf]] || {{File:B-DPMO01-059R4-0.FM.pdf}}
|-
|-
| [[File:502002001.pdf]] || {{File:502002001.pdf}}
| [[File:502002001.pdf]] || {{File:502002001.pdf}}
|}
|}
== Related Documents ==
{| class="wikitable sortable"
|+ PVM-14M4
|-
! File Name !! Purpose
|-
| [[File:BKM-101C102.pdf]] || {{File:BKM-101C102.pdf}}
|-
|}
== Sources ==
https://crtdatabase.com/ ([https://creativecommons.org/licenses/by-sa/4.0/ CC BY-SA 4.0])

Latest revision as of 20:18, 22 February 2024

PVM-14M4U
PVM-14M4A
PVM-14M4J
PVM-14M4B
PVM-14M4DE
PVM-14M4E
Information
Manufacturer Sony
Type Professional
Size 14"
TV Lines 800
Dot Pitch 0.25mm
Regions NTSC, PAL, SECAM
240p/480i Yes
480p No
720p No
1080i No
Vsync 50/60hz
Widescreen No
Composite 2x (Line A/B)
S-Video 1x (Line C)
Component 1x RGB/YPbPr
Dimensions Width: 346mm, 13.62in

Depth: 430.5, 16.95in

Height: 340mm, 13.39"
Weight 38.9lb, 17.7kg
Firmware Unknown
Earliest Date 1997

Sony's PVM-14M4U Color Production SMPTE-C Monitor is a convenient professional video option. This 14-inch Trinitron color production monitor features SMPTE-C phosphors for accurate color matching, knob-type controls for easy setup, and a menu-driven CPU with on-screen display (OSD). The monitor accepts NTSC, NTSC (4.43), PAL, SECAM in Composite, Y/C and RGB, and Y/R-Y/B-Y formats. SDI with the optional BKM-101C card, call for details on the SDI card.

This set features the HR Trinitron and has a resolution of 800TV lines. Good all-around PVM for sitting on your desk or other space-saving applications. Not the most reliable PVM series but common repairs are well documented. There were several board revisions, getting a later model-year will ensure a more reliable experience. Sony changed the spec of several commonly failing capacitors.

Common Repairs

Power Supply Failure:

Try testing with known good PSU if available. If not available test PSU outputs with load to see if voltage is within spec printed below connector. Regulators commonly fail. Cap failure less likely but still possible.

3 RGB lines at top of screen:

Check if underscanning (either with toggle swith or due to V-Height). If not underscanning then there is a deflection capacitor failure. Replace C-572 and C-584 on A Board. There is an old reccomendation to adjust the V-BLNK (V-Blanking) value in the serivce menu to 'push' the lines up off of the screen but this is not reccomended and only a temporary fix at best. It can further accelerate the death of the aforementioned capcitors and cause damage to other components. More information here: RetroTech on YouTube

Power on, tally light, no response from buttons, no picture displayed:

See this guide which addresses the issue.

Technical Bulletins

PVM-14M4
File Name Purpose
File:201997129.pdf Technical Bulletin: NOTES ON BKM-103 INSTALLATION
File:202001147.pdf NO VIDEO EE OR RECORD OUTPUT
File:301999107.pdf Technical Bulletin: VERTICAL FOLD-OVER AT PICTURE TOP
File:302001017.pdf Technical Bulletin: CHANGE OF VOLTAGE RATING OF DAMPER DIODE
File:302001150.pdf Technical Bulletin: PICTURE DISTORTION
File:302003116.pdf Technical Bulletin: DATA SKIP
File:302003133.pdf Technical Bulletin: PICTURE DISTORTION AFTER POWERING ON OR SWITCHING MODES
File:302004001.pdf Technical Bulletin: MANUAL CORRECTION—BEZEL ASSEMBLY
File:302004058.pdf Technical Bulletin: FLASHING CRT
File:302004181.pdf Technical Bulletin: MANUAL CORRECTION—PART NUMBER FOR BEZEL ASSEMBLY
File:302008024.pdf REUSE IC101 AND DL401 WHEN REPLACING THE A BOARD
File:202003212.pdf CHANGE IN CRT HEATER IMPEDANCE
File:502002001.pdf NO EE OUTPUT; NO RECORDING


Related Documents

PVM-14M4
File Name Purpose
File:BKM-101C102.pdf Installation Manual

Sources

https://crtdatabase.com/ (CC BY-SA 4.0)

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