preface:why_x68000_s_caps_are_almost_broken
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preface:why_x68000_s_caps_are_almost_broken [2014/09/16 17:56] – [EXPERT,SUPER,XVI,030 (SH4 Unit)] eidis | preface:why_x68000_s_caps_are_almost_broken [2014/10/07 18:11] – [Compact XVI,030 Compact] eidis | ||
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====== ACE (SH2 Unit) ====== | ====== ACE (SH2 Unit) ====== | ||
+ | |||
+ | It has the same design as the PSU of Expert but features lower rated capacitors. It is recommended to use use the capacitor ratings which are mentioned in the Expert section. | ||
====== EXPERT, | ====== EXPERT, | ||
- | |X68 power supply part number | + | Almost all info taken from: http:// |
- | |F1 |125V 4A fuse |(MZ) smaller | + | |
- | |ZD31 |RD6.8EB | + | All X68000 |
- | |ZD32 |RD4.3EB | + | |
- | |ZD51 |RD15EB etc. |15V Zener diode | | + | - Main power is connected, front LED is glowing red but the system does not react to front soft-power switch. Check if ZD31 or anything around it is burnt. Replace ZD31 and all electrolytic capacitors. There are some cases when Q32 also needs to be replaced. In some rare cases PC31, PC51, PC52 also need to be replaced. |
- | |PC31, PC51 |PC8170, TLP521-1 | + | -R35 rupture is caused when C31 capacity has decreased to the point that it is no longer able to supply |
- | |PC52 |S12MD1, TLP541G | + | -The fuse gets blown if C9 is faulty. Replace all electrolytic capacitors, 4A fuse and check if there are no signs of damage to the ZD31 or near it. |
- | |Q31 |2SC2333 / 2SC2335 | + | -Most parts though discontinued have generic replacements available. The only custom-made |
- | |Q32, Q33, Q53 |2SC1815Y | + | |
- | |C9 |105 ℃ etc. 200V470μF |It does not fit in case board and not mounting height: 41mm or less in diameter | + | **Schematics** |
- | |C24 |25V1000μF 105 ℃ | + | *[[http:// |
- | |C25 |It might be using the 25V of 105 ℃ ↑ 16V1000μF |Genuine: 16V680μF | | + | |
- | |C27 |25V220μF 105 ℃ |Genuine: 25V120μF | | + | ^Part number |
- | |C28 |105 ℃ (OS-CON Allowed) 16V100μF | | | + | |F1 |125V 4A fuse |(MZ) small type | |
- | |C31 |105 ℃ (OS-CON Allowed) 16V100μF |Genuine: 10V100μF | | + | |ZD31 |
- | |C33 |16V220μF 105 ℃ | + | |ZD32 |
- | |C34 |10V100μF 105 ℃ |Genuine: There information is acceptable if OS-CON 10V100μF of 6.3V100μF SS series (6.3mm × 9.8mm) provide information RUN's. Availability of OS-CON XPS inventory be mounted diagonally References | + | |ZD51 |[[http:// |
- | |C35 |50V10μF 105 ℃ |Genuine: 25V10μF | | + | |PC31, PC51 |
- | |C38 |50V3.3μF 105 ℃ | + | |PC52 |[[http:// |
- | |C40, C41 |16V6800μF 105 ℃ |Genuine: 10V5600μF | | + | |Q31 |[[http:// |
- | |C42 |10V2200μF 105 ℃ |Genuine: 6.3V2200μF | | + | |Q32, Q33, Q53 |
- | |R33, R34 |100Ω 1 / 6W metallization new small | + | |C9 |200V 470μF |Original: 180V 470μF. Height must not exceed 41mm and diameter 25.8mm. | |
- | |R35 |3Ω 1 / 4W metal coating | + | |C24 |25V 1000μF | | |
- | |R40 |2KΩ 1 / 6W metal coating | + | |C25 |16V 1000μF |Original: 16V 680μF (25V can also be used) | |
- | |R98 |2.2KΩ 1 / 4W metallization new small |Genuine: 1 / 6W | | + | |C27 |25V 220μF |Original: 25V 120μF | |
- | |2pinFAN connector | + | |C28 |16V 100μF | | |
- | |2pinFAN connector terminal | + | |C31 |16V 100μF |Original: 10V 100μF | |
- | |Connector to the lower substrate (EXPERT system [EXPERT2 / SUPER / XVI / 030]) |JST VHR-6N | + | |C33 |16V 220μF |Optional: 25V can also be used | |
- | |Connector to the main board |(Possibility of Yu 5195-02) Molex 5239-02 | + | |C34 |10V 100μF |Original: 6.3V 100μF | |
- | |FDD · HDD connector | + | |C35 |50V 10μF |Original: 25V 10μF | |
+ | |C38 |50V 3.3μF | | | ||
+ | |C40, C41 |16V 6800μF |Original: 10V 5600μF | | ||
+ | |C42 |10V 2200μF |Original: 6.3V 2200μF | | ||
+ | |R33, R34 |100Ω 1/6W | | | ||
+ | |R35 |3Ω 1/4W |Original: 3.3Ω | | ||
+ | |R40 |2KΩ 1/6W | | | ||
+ | |R98 |2.2KΩ 1/4W |Original: 1/6W | | ||
====== PRO ====== | ====== PRO ====== | ||
+ | |||
+ | **Schematics** | ||
+ | *[[http:// | ||
====== Compact XVI,030 Compact ====== | ====== Compact XVI,030 Compact ====== | ||
+ | *[[http:// | ||
+ | These are more tolerant. Their capacitors leak but usually do not kill anything and a simple recap is all that is needed. |
preface/why_x68000_s_caps_are_almost_broken.txt · Last modified: 2019/08/27 20:45 by 127.0.0.1