Sony PVM-14M2: Difference between revisions

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To reduce this risk of death/injury/pain you '''must''' properly discharge: The anode delivering power to the tube; the tube itself; all large capacitors present (there are a couple big boys on the Power Supply PCB) and anything else that may be holding a nasty charge.
To reduce this risk of death/injury/pain you '''must''' properly discharge: The anode delivering power to the tube; the tube itself; all large capacitors present (there are a couple big boys on the Power Supply PCB) and anything else that may be holding a nasty charge.


Also, its good practice to take general safety precautions - avoid potentially high voltage areas (anode, flyback transformer, neck board etc.) whilst working wherever possible, have a buddy nearby to call an ambulance, keep one hand behind your back when prodding around with a screwdriver, dont repair a CRT in the bathtub etc. etc.
Also, its good practice to take general safety precautions - avoid potentially high voltage areas (anode, flyback transformer, neck board etc.) whilst working wherever possible, have a buddy nearby to call an ambulance, keep one hand behind your back when prodding around with a screwdriver, don't repair a CRT in the bathtub etc. etc.


Ultimately however, '''there will always be risks''' involved when working with high voltage devices - if you are worried about the risks, do more research! Or alternatively, pay someone else to work on it. You cant be too prepared.
Ultimately however, '''there will always be risks''' involved when working with high voltage devices - if you are worried about the risks, do more research! Or alternatively, pay someone else to work on it. You cant be too prepared.
Line 23: Line 23:
Read tutorials, watch videos, consult forums on CRTs/CRT safety '''before disassembly'''.
Read tutorials, watch videos, consult forums on CRTs/CRT safety '''before disassembly'''.
==Original Parts==
==Original Parts==
''These table are a more concise copy of the electrolytic capacitors in the linked service manual.''  
''These table are a more concise copy of the electrolytic capacitors in the linked service manual.''
 
=== A Board ===
=== A Board ===
A1298-002-A and A1298-006-A
A1298-002-A and A1298-006-A
Line 44: Line 43:
|-
|-
|C376, C506, C512, C529
|C376, C506, C512, C529
|
|4
|0.47
|0.47 µF
|50 V
|50 V
|
|
Line 57: Line 56:
|-
|-
|C346, C355, C374, C422, C523, C558, C565, C568, C1351
|C346, C355, C374, C422, C523, C558, C565, C568, C1351
|
|9
|1
|1 µF
|50 V
|50 V
|
|
Line 70: Line 69:
|-
|-
|C312, C498, C590
|C312, C498, C590
|
|3
|2.2
|2.2 µF
|50 V
|50 V
|
|
Line 83: Line 82:
|-
|-
|C584
|C584
|
|1
|2.2
|2.2 µF
|160 V
|160 V
|
|
Line 96: Line 95:
|-
|-
|C441
|C441
|
|1
|3.3
|3.3 µF
|50 V
|50 V
|
|
Line 109: Line 108:
|-
|-
|C200, C203, C209, C356, C541, C550, C581, C1375, C1508, C1510, C1512
|C200, C203, C209, C356, C541, C550, C581, C1375, C1508, C1510, C1512
|
|11
|4.7
|4.7 µF
|50 V
|50 V
|
|
Line 122: Line 121:
|-
|-
|C572, C592
|C572, C592
|
|2
|4.7
|4.7 µF
|160 V
|160 V
|
|
Line 135: Line 134:
|-
|-
|C585
|C585
|
|1
|4.7
|4.7 µF
|250 V
|250 V
|
|
Line 148: Line 147:
|-
|-
|C204, C208, C315, C318, C325, C368, C386, C388, C415, C478, C482, C495, C513, C549, C555, C556, C564, C577, C588, C599, C1329, C1345, C1515
|C204, C208, C315, C318, C325, C368, C386, C388, C415, C478, C482, C495, C513, C549, C555, C556, C564, C577, C588, C599, C1329, C1345, C1515
|
|23
|10
|10 µF
|50 V
|50 V
|
|
Line 161: Line 160:
|-
|-
|C406, C410
|C406, C410
|
|2
|22
|22 µF
|50 V
|50 V
|
|
Line 174: Line 173:
|-
|-
|C534
|C534
|
|1
|22
|22 µF
|250 V
|250 V
|
|
Line 187: Line 186:
|-
|-
|C1346, C1358, C1518
|C1346, C1358, C1518
|
|3
|47
|47 µF
|16 V
|16 V
|
|
Line 200: Line 199:
|-
|-
|C161, C326, C336, C351, C359, C370, C371, C383, C385, C389, C391, C394, C397, C398, C399, C402, C407, C531, C1300, C1301, C1304, C1305, C1311, C1314, C1315, C1317, C1318, C1320, C1321, C1326, C1331, C1332, C1333, C1335, C1336, C1366, C1367, C1372, C1373, C1374, C1383
|C161, C326, C336, C351, C359, C370, C371, C383, C385, C389, C391, C394, C397, C398, C399, C402, C407, C531, C1300, C1301, C1304, C1305, C1311, C1314, C1315, C1317, C1318, C1320, C1321, C1326, C1331, C1332, C1333, C1335, C1336, C1366, C1367, C1372, C1373, C1374, C1383
|
|41
|47 µF
|47 µF
|25 V
|25 V
Line 207: Line 206:
|
|
|
|
|0 °C
|°C
|
|
|
|
Line 213: Line 212:
|-
|-
|C1308, C1382, C1517
|C1308, C1382, C1517
|
|3
|100
|100 µF
|10 V
|10 V
|
|
Line 226: Line 225:
|-
|-
|C206, C207, C507, C596
|C206, C207, C507, C596
|
|4
|100
|100 µF
|25 V
|25 V
|
|
Line 239: Line 238:
|-
|-
|C579, C1524
|C579, C1524
|
|2
|100
|100 µF
|50 V
|50 V
|
|
Line 252: Line 251:
|-
|-
|C1322
|C1322
|
|1
|220
|220 µF
|16 V
|16 V
|
|
Line 265: Line 264:
|-
|-
|C552, C595
|C552, C595
|
|2
|220
|220 µF
|25 V
|25 V
|
|
Line 278: Line 277:
|-
|-
|C518, C530
|C518, C530
|
|2
|220
|220 µF
|160 V
|160 V
|
|
Line 291: Line 290:
|-
|-
|C428, C430, C1357, C1506
|C428, C430, C1357, C1506
|
|4
|330
|330 µF
|16 V
|16 V
|
|
Line 304: Line 303:
|-
|-
|C167, C168, C419, C1501
|C167, C168, C419, C1501
|
|4
|470
|470 µF
|10 V
|10 V
|
|
Line 317: Line 316:
|-
|-
|C537
|C537
|
|1
|470
|470 µF
|50 V
|50 V
|
|
Line 330: Line 329:
|-
|-
|C509
|C509
|
|1
|470
|470 µF
|100 V
|100 V
|
|
Line 343: Line 342:
|-
|-
|C205, C380, C570
|C205, C380, C570
|
|3
|1000
|1000 µF
|16 V
|16 V
|
|
Line 356: Line 355:
|-
|-
|C522, C1500
|C522, C1500
|
|2
|2200
|2200 µF
|16 V
|16 V
|
|
Line 369: Line 368:
|-
|-
|C586
|C586
|
|1
|1000
|1000 µF
|25 V
|25 V
|
|
Line 381: Line 380:
|
|
|}
|}
=== G Board ===
=== G Board ===
A1636-302-A  
A1636-302-A  
Line 401: Line 399:
|C618, C630
|C618, C630
|2
|2
|10
|10 µF
|50 V
|50 V
|
|
Line 427: Line 425:
|C636
|C636
|1
|1
|47
|47 µF
|50 V
|50 V
|
|
Line 440: Line 438:
|C632
|C632
|1
|1
|47
|47 µF
|160 V
|160 V
|
|
Line 453: Line 451:
|C637
|C637
|1
|1
|100
|100 µF
|50
|50
|
|
Line 466: Line 464:
|C619, C634
|C619, C634
|2
|2
|220
|220 µF
|50 V
|50 V
|
|
Line 479: Line 477:
|C621
|C621
|1
|1
|1000
|1000 µF
|160 V
|160 V
|
|
Line 492: Line 490:
|C633
|C633
|1
|1
|3300
|3300 µF
|16 V
|16 V
|
|
Line 505: Line 503:
|C629
|C629
|1
|1
|3300
|3300 µF
|25 V
|25 V
|
|
Line 518: Line 516:
|C625, C627
|C625, C627
|2
|2
|4700
|4700 µF
|35 V
|35 V
|
|
Line 529: Line 527:
|
|
|}
|}
=== C Board ===
=== C Board ===
A1331-627-A and A1331-631-A  
A1331-627-A and A1331-631-A  
Line 551: Line 548:
|C713
|C713
|1
|1
|4.7
|4.7 µF
|250 V
|250 V
|
|
Line 575: Line 572:
|
|
|}
|}
=== S Board ===
=== S Board ===
A-1390-705-A
A-1390-705-A
Line 608: Line 604:
|
|
|}
|}
=== Terminal Board Assy, I/O(A) ===
=== Terminal Board Assy, I/O(A) ===
1-537-735-14
1-537-735-14
Line 627: Line 622:
|-
|-
|C2434
|C2434
|
|1
|0.1
|0.1 µF
|50 V
|50 V
|
|
Line 640: Line 635:
|-
|-
|C2414
|C2414
|
|1
|1
|1 µF
|50 V
|50 V
|
|
Line 653: Line 648:
|-
|-
|C2402, C2403, C2404, C2406, C2407, C2408, C2411, C2412
|C2402, C2403, C2404, C2406, C2407, C2408, C2411, C2412
|
|8
|10 µF
|10 µF
|16 V
|16 V
Line 666: Line 661:
|-
|-
|C2422, C2423, C2427, C2431, C2432, C2436, C2438, C2439, C2441, C2442, C2443, C2444, C2447, C2448, C2449, C2450
|C2422, C2423, C2427, C2431, C2432, C2436, C2438, C2439, C2441, C2442, C2443, C2444, C2447, C2448, C2449, C2450
|
|16
|22
|22 µF
|16 V
|16 V
|
|
Line 679: Line 674:
|-
|-
|C2405, C2416, C2425, C2426, C2451, C2452
|C2405, C2416, C2425, C2426, C2451, C2452
|
|6
|47
|47 µF
|16 V
|16 V
|
|
Line 691: Line 686:
|
|
|}
|}
==Related Links==
==Related Links==
*[https://archive.org/details/sony-pvm-14m-2u-service-manual/page/92/mode/2up 14M2/M4 Service Manual (Archive.org)]
*[https://archive.org/details/sony-pvm-14m-2u-service-manual/page/92/mode/2up 14M2/M4 Service Manual (Archive.org)]

Revision as of 19:31, 7 April 2023

The Sony PVM-14M2 is a 'Professional Video Monitor' produced by Sony in the late 90s - branded under the Trinitron label. This curved glass CRT (Cathode Ray Tube) monitor feautures a 'box' type chassis, as well as 'professional' spec video inputs/outputs via 75Ω BNC jacks.

Naming Convention

There are three variants of the PVM-14M2, based on regionality: The PVM-14M2E; PVM-14M2U and the PVM-14M2A.

PVM

"Professional Video Monitor" - Sony's branding to highlight the 'professional' features, and distinguish from 'consumer' televisions/monitors.

14

The size of the screen in inches.

M

A model distinguisher.

2

Distinguisher based on the 'TV Lines' of the display - in this instance, 600TVLs (vs the 14M4 variant, which has 800TVLs).

E/U/A

Regional variants: E for Europe; U for United States; A for Australasia

Disassembly Notes

As with all CRT (Cathode Ray Tube) devices, it is crucial to have an awareness of the high voltage safety risks inherent. There may be lethal voltages present despite the device being powered off and unplugged.

To reduce this risk of death/injury/pain you must properly discharge: The anode delivering power to the tube; the tube itself; all large capacitors present (there are a couple big boys on the Power Supply PCB) and anything else that may be holding a nasty charge.

Also, its good practice to take general safety precautions - avoid potentially high voltage areas (anode, flyback transformer, neck board etc.) whilst working wherever possible, have a buddy nearby to call an ambulance, keep one hand behind your back when prodding around with a screwdriver, don't repair a CRT in the bathtub etc. etc.

Ultimately however, there will always be risks involved when working with high voltage devices - if you are worried about the risks, do more research! Or alternatively, pay someone else to work on it. You cant be too prepared.

Read tutorials, watch videos, consult forums on CRTs/CRT safety before disassembly.

Original Parts

These table are a more concise copy of the electrolytic capacitors in the linked service manual.

A Board

A1298-002-A and A1298-006-A For PVM-14M4U, PVM-14M4E, PVM-14M4A, PVM-14M2U, PVM-14M2E, and PVM-14M2A

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C376, C506, C512, C529 4 0.47 µF 50 V
C346, C355, C374, C422, C523, C558, C565, C568, C1351 9 1 µF 50 V
C312, C498, C590 3 2.2 µF 50 V
C584 1 2.2 µF 160 V
C441 1 3.3 µF 50 V
C200, C203, C209, C356, C541, C550, C581, C1375, C1508, C1510, C1512 11 4.7 µF 50 V
C572, C592 2 4.7 µF 160 V
C585 1 4.7 µF 250 V
C204, C208, C315, C318, C325, C368, C386, C388, C415, C478, C482, C495, C513, C549, C555, C556, C564, C577, C588, C599, C1329, C1345, C1515 23 10 µF 50 V
C406, C410 2 22 µF 50 V
C534 1 22 µF 250 V
C1346, C1358, C1518 3 47 µF 16 V
C161, C326, C336, C351, C359, C370, C371, C383, C385, C389, C391, C394, C397, C398, C399, C402, C407, C531, C1300, C1301, C1304, C1305, C1311, C1314, C1315, C1317, C1318, C1320, C1321, C1326, C1331, C1332, C1333, C1335, C1336, C1366, C1367, C1372, C1373, C1374, C1383 41 47 µF 25 V °C
C1308, C1382, C1517 3 100 µF 10 V
C206, C207, C507, C596 4 100 µF 25 V
C579, C1524 2 100 µF 50 V
C1322 1 220 µF 16 V
C552, C595 2 220 µF 25 V
C518, C530 2 220 µF 160 V
C428, C430, C1357, C1506 4 330 µF 16 V
C167, C168, C419, C1501 4 470 µF 10 V
C537 1 470 µF 50 V
C509 1 470 µF 100 V
C205, C380, C570 3 1000 µF 16 V
C522, C1500 2 2200 µF 16 V
C586 1 1000 µF 25 V

G Board

A1636-302-A

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C618, C630 2 10 µF 50 V
C616 1 47 µF 35 V 0 °C
C636 1 47 µF 50 V
C632 1 47 µF 160 V
C637 1 100 µF 50
C619, C634 2 220 µF 50 V
C621 1 1000 µF 160 V
C633 1 3300 µF 16 V
C629 1 3300 µF 25 V
C625, C627 2 4700 µF 35 V

C Board

A1331-627-A and A1331-631-A

For Sony PVM-14M4U, PVM-14M4E, PVM-14M4A, PVM-14M2U, PVM-14M2E, and PVM-14M2A

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C713 1 4.7 µF 250 V
C705 1 100 µF 16 V 0 °C

S Board

A-1390-705-A

Used in the PVM-14M2U and 14M4U models

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C813 1 10 µF 50 V 0 °C

Terminal Board Assy, I/O(A)

1-537-735-14

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C2434 1 0.1 µF 50 V
C2414 1 1 µF 50 V
C2402, C2403, C2404, C2406, C2407, C2408, C2411, C2412 8 10 µF 16 V 0 °C
C2422, C2423, C2427, C2431, C2432, C2436, C2438, C2439, C2441, C2442, C2443, C2444, C2447, C2448, C2449, C2450 16 22 µF 16 V
C2405, C2416, C2425, C2426, C2451, C2452 6 47 µF 16 V

Related Links

References

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