• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

Project: SX-950

Super Noob

Super Noob

Super Member
Here comes my latest rebuild... local SX-950.

IEPixIjvlbCqjRYr_g9aSdDjTwcoo2-2PURQZpftNUQajHzmtHk14eyGQ0bLH9pYugFrFxwUxAVsJBjVUEuzsniT4qVoIk2li-hLeKQyQMh_wbs7zzCXfW99M8QU0SDO3KxF-aWDWWSBSmMLtToE2noEEkbW4EdNbEU5BTP31vOMc_iXDAzxJSV0oV9hXWGShoReqHEC2uzv03MiLyVOjxnTw0tMkSC2H2_JlLDVnuQX9QaUFAfN3vXrr2NQDgP_Ny6AHuIHx8zUArdhPoKqM1gOUpI9UZHnWSQ4aaWKaQBRWAoIU-7fq0QwRpqntd3mvTkkqFE-rCFe1NZ5i0kyAoEy6rVqQtoeACLwtDJXD0Nrv-gf3n2EPPb5PECuyb0fsMOCx3EKsBqGiQ0-KhAey_zUN8bjE3YqzWd8FbZixkID9qwZIkt-Hr8kwBr7UMwekB0XT7MjPvgw0mHMsmd2ApFqXRixLiT3En_cyJPZBdi9-CoC1S-cGWm1-kumainKBtNIFOXNr_N9DyhsHFV347NQnWwJP1Ijzcd2Aj--yhS5jYpOM_E73V6k6lD20P1HRuc_T7GFIiP3C_Ts9e4ZcSPmoX4PAaWh-WtBf5mMd2pkyAKMYd-rqCKdKKGKxMhmaa0Ftbrhu09yrcEnSqH_VOrC5Bu5iTwcGMTAlO52BsK6TOhedIKtuJLnE_xzna1TgL0yANFhVOKdYaEguPRRO5ZN9oi3G2ZVwQ_rMgagXok1yDA=w1147-h861-no


https://drive.google.com/open?id=1qMku989EUw8sRdkSVOmchybrtVHA-dwv

The caps lists was a copy from MTF / MattSD... it has some errors but may be a good starting point for someone who might attempt a rebuild.

I recommend the following = new plastic standoffs (for the three boards on the underside)
CBLS50-C (mouser part #) Qty 12

These plastic clips get brittle due to the heat and these are direct replacements.

Recommend the the LY2F-DC24 relay per MTF and the the following standoffs as well =
728-FM2110-3005-A (Qty 4).
 
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Can't you just put the new relay in the old relay case? I did that on an 828 and I think the 950 would work the same.
 
Power Supply Up First:
C10: 470uF 80v ACH-038 / (Snap-in): CDE 680uf 100v
C11: 470uF 80v ACH-038 / (Snap-in) CDE 680uf 100v
C12: 1000uF 35v ACH-039 / (Snap-in) Wurth 2200uf 63v
C13: 1000uF 25v CEA / Nichicon 1000uf 35v (UPW)
C14: 220uF 10v CEA / Nichicon 220uf 16v (UPW)
C15: 470uF 63v CEA / Nichcon 470uf 100v (UHE)
C16: 47uF 16v CEA: / Nichicon 47uf 25v (UPW)
C18: 47uF 50v CEA / Nichicon 47uf 63v (UPW)
C19: 47uF 35v CEA / Nichicon 47uf 50v (UPW)
C20: 100uF 63v CEA / Nichicon 100uf 100v (UPW)
C21: 47uF 16v CEA / Nichicon 47uf 25v (UPW)
C23: 100uF 35v CEA / Nichicon 100uf 50v (UPW)

Before (take a look at those stressed caps - some are jumping out of their plastic wrap):
BzuiYctN7SlILdg-GyJLCvysyvjaNZ0hkrZcYlbOodPVF0u9Sg23xbxvbjRC8fFYrxhm_5fOJxL6KHHasBljyBvicWvKIp5-PxyW2oFFKMJOTna1_0Sn3citH6grAmhc8mINLDvdi2Cz80dccCy6UVEkmYWILy3Hx7sshkw87hfkDBq4zpUMAENUBrn-QiR6cpZola93gXY7sC04BpSsuiOPGjxiFKN2fMiLCwG2RGdR7wyrjz8QuaqgzTXuWvIbJLnRjPRQbNBw9p8wthiYbLLI77DQOTU-la_N4BBTgkQignF7lmZ9H68BbqmYYmDjeAmlvJisI8G_TZsdtdlP28Ha3I1MDEOO9bOJdCTY_qm0aO-xtbrdLu9B6e3DNNzkE2aXGpqotTow2AZeHDWF2RiuBM-VHiCbq-KoS7PD2GvvglK6BO0UjgpnEAHPsZ3hoh61qFMYwVGvak10angUHHOqBcVbOVdOOfTnjfWabi75q3DPLiJKr710yfnMXpgCuEH1l-WpdkPkRKX3XM8LaF8af5c5OOA6QXm95_fADeH_aOIxN-gqyBJ-JWfuxF-jRqNd-5C2w_VMNrwukB5gW_WAraGN75_MiHiQpKL_nW4cvk9D6pPTYFCkR6rRznDo7uWL0pPa2jUuU5pfxxJfj71fsakG6Zamruz2FU-sOo3Fp_50biEV3NgjAFyYW2noYiIMvs3FFTUrTTx-74DhNzBjZDyBjo_lT6HnGgruosSW9zU=w645-h860-no


After:
LxlZD6uY0Qb208CyVLkj7Z_p0FpGyIOcWTGtabQ9oINE9Fce9mCHKj8JCDQKj-5QaNLvs60wejodQuyr3cWqAFHOG_zZ8kZGLecevvj2BbLZnHByFXMXeeYu1lmHpR2NOuZbbv0fsyjg5u_ZhuGgNgGuIXg2yQ3cowQ-K7s9-GSMF7uQr21n796YZkWyVTICjFGI9QoGh0x5uBUpdc62YZoEjlL1b655DilkHlV3a6DZphjEMGf-prmEVw98mvozql000u5SyFjSTFh8rPcDDgwZeDWmrpvZgVYW2CispzxFC6ds-fy3rcksvjrm8V3jZ1axW5CdEDY6ygDAF9vXjA73JYWZEg8luIms5TtiNf8BrQCtmwM2SGZGZmLxEruOokvPnqXK0ZiQYYno4BUjKNcVqRZqvkIuTB2zlwcR58nlh2UDZf-E2F6SrvhG5PuKLDcLQtlfNcwzEdJOI6hV1pyiZvPsknmmQ1rebOSUtRCEhqz5qEpZbTvJrWpaGHJb6EbRd8ppJQC8iNjFCZgO9r3_QuXCRwExSw7JkifCd87SeawbZKcMvufXcyJCMFhiIvICA9zeWopRWBl1yehtINFICXt9tI0zgaQImzZVJSZv7SMzhJoa_wT6vw9OG_vWRv2hYQxtcC-_BRXLvWtsrsv1DQNx_NX87Yonr8vVVTrk1mpsM4O9bhEoeq8OtyTHo1gls3cHYukbbHGpbagvAgRdTVavXsRERT2gtly1o1UaAp8=w645-h860-no


1mnk4H_g6QarT6qYcIgHaFjZ6gjADMzsUxvhBX2gusPzRMk_ubKPJT-yPQlGQ08_-o3Dl50hE7CyMRE3pDl5_LLra-oPr4THXwRQxuT5FsGtTmT5TS_B8Mcyd9FIVa2OLzKeWDp0QseksHGGkoQJG1V__V3wdTpgRRKhEborGKo_wDiCDML67s4eQK89iXgEysVzSsD4BGYnnijwMKstpW-D_C5fHqMoFnPwWqkZGEXvYohIiy_LR4QrsM3BZmfvfh-tOueZMy0R71lpUKe7A_ntRqjNx7G74JGuvUjxCss5p2LifyG6XDrBY4UAiskrzQHe0aGcKffjSlBqKZzvRpoi_UWwp0D2ey64cwMHDBNVwe6DIbbFAm4jGZTNg_XL5nERloejI20Uq19PjMCVjqTX0KmQBASjZ8pgKkiCjRrJZ-62o5dere7VXgC5FI_5BproYCU5OWrw6jqf4u1Y-GqFtDbNxq-5-NaD-MdmPXm_NHlb0h2jIaiwFbb_drzE6R_aelOWIFZQDls2x05T7LipDV4RHCCA4zerNMZ8pouraREXx92Asi9e85mshnRYkcZSgjfmhLHG8C7CP3xmZqnTbVE-ZLvFAZHrYL9dbuWrE1JTs14V3eh6hiBTt3WNZKxTQvUcQZfuTbWwsvcRL2XmufEBQp5CkHIT116JKWPtCc1Wq-Dagp2TtaZ7egQzoxsBDfiRBzTXH8LBnKJ3bN9SmUV5fr1vIqWTWO8TfGFaq1A=w645-h860-no


gaTxTfnLoT6YQNRTXi8H5WbFaQ9OSr5p2ZyG9PMJerdxhsemE29CuxFFzQSlveetfVeNv-pbcE5M92wCXGbf7YvQEbjRCYfwtfujp1yJDxJgEu0XKSzhUcdw6X_LtIz7xX6H_lmrIY51CjfJ9-aIoy0_Tr88d3YoIbGZ-l0F1UgRmyM7J-sea6Neezl6pjUCtrNG1h8tUwEELNdhm-Lkx5BnESNPrAMpStDERoQ_r69FmweE8no32gXa0hOLg_pmMfpfpHasmWoYcC26QqCsMlwGDTiHmmoG4GtDmD4Y3GOJ_At3uQQIypbX7NFQ7JFTziRQ7ypw4Q05CuGznb2uuoDShD41hIBzgwUoCsfq4IoUG4tNmUMQeIL7nxezcQesSr-Ft8SRefRRtTmFpFeKud4O_m6csJoEWTbxSvgXlTOJkL14-Mw2pRq9F94w0MD09L40sXibJs3F_DyKf1COKvQAMB6ll-yhmYK_sxH5JBlCz3ftwm-9y4ztwA1tTzHNtWypTFA_WWObtTq3jbiE5bVWb57KH7l1TJT5OeWpXwZ4Iu4YYx7eYJWMJZ-wA-dTq4WTrb6VDUF1XSb_yBk7idqM93vd9pZP7BcBii1bHWy4vdg7MQat6Yxm9-ADO0q8ysoIkh7OAJJAQXPz6j5oZZ2AE7JNNdbvvDheCNBRVzuIiDDuCGyza_KM7CVaZJzzLmZeOO5YYq0q8mA9WHuHCfgU6HUUN7xDIeBcJe595RRdU8Q=w533-h715-no


Full transistor replacement.
 
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Protection Board Next:
C1: .22uF 10v CSSA / WIMA .22 uF
C2: .22uF 10v CSSA / WIMA .22 uF
C3: 330uF 6.8v CEA / Nichicon 330uF 10v (UPW)
C4: 330uF 6.8v CEA / Nichicon 330uF 10v (UPW)
C5: 4.7uF 25v CEA / WIMA 4.7uF 63v
C6: 100uF 16v CEA / Nichicon 100uF 35v (UPW)

My SX-850 had problems until I elected to replace all the transistors. Added the flyback diode as well. I recommend replacement of all transistors on both the power supply and protection boards. MTF and MattSD have documented these.

Before:
L7FVhT0z8YiGWgCClsGDmnbWyGluS0TI-U_MLTLrJ_2m4oLmoNLDR0Xy_aIm61DBF1wEbOTy66OSZ84L28wCnpvdwlPH6Ee-J-UVI5T1dFUDcvLqDb3SfWKJeWERozceyPd7F-4_ptwawZBkOeUGXLSjxuhH1rIE6_6rPnKf4GtEzi6XYjQYKljrk_Hk0THGIXfRTdyLwZdi1-AD_pGpI5Ee7oIxBcCgWrxKPlDMSefpddQO_S6RWV2EOM19Dn-t-XRyXY9o9Q00jp6HYqcjwYFhCyDmVY0Hj6mEXX1dVc3jDG-drHF3MoX9d2trncLuuYYFalG507dAg6R01BswdeoevkSH7UiOUcRQdi-QZFdiw7tODgy9a8X1FPxVAgFkRaRQC3ebppxVJUDRb6MomjIFTDgfAsW3ao4C1ciz3vqA4fMQIvDjnovklkGNjeWW6YJwJdDl3IE8gRZ5HnUl_VL2XbU9t-I0Xtpq9P4Uj9AhVcz6Ocf36YUyy4M8MWZEXzm-TkgYiO_F-2pwuaWKIN41hc3N_TdmkvNjkNLULSXazpkHNQ-eqbZP2F794m-LS2ItuGC6KCzW9eJmSuv6D42Fa4aiOrsMr8lhAV_Bx43mUi2My3VxYiLv4-OEMXtA0iZRC7DG3yEJSYE3G4pSkKjp856ZZpQcFlKUrJF9IHGrBUwTt4XX1K9vGt1CeISta5Hkc3KtOtMYzy0pEFc4AugpznduvCRG2iPf-hF6DiMuGAv4I1FKwQc=w1242-h933-no


After:
62gOExSPfcX9KBQZWsepCP6NVAtVnIKU6Zd53etFU_7z8ikrBhZjYQNwi14EK6RZGDkB0dSFahlNim2gTgy0vx96t9LPESGrLbAAoZg-SBZ9i9dzM2y-Ep7MFZF_a6lQB7Q8g9-4n-EZ8bDHADTxD8NDOl38hp1QIlyxV6hZT6z8Yg4lfIVEDh5kPITpbX-5roCluf-xfpDKgYCbr4BNNPqyksy_ctGL97IsxnvUUqUQbDvUEYVJ4GlbBhkf3QT_cwkTlYlbHClFSuX5GE8dAHrPQKN2LNj8ETMDDDD0O-j76Vd_W1x5XGRb1FmRx5GmfEZwUJ1m_vmBDYiTVOvvcFoTN3sqGSq_ACD17hWE-MvbrkPkEwk90ZqyyiMrRqK8iab-qqC2udGtjN6c4Cp3gISD06v3e2nXv6Tdp-oPwKDK6qYIx6c8gVZK6S3WT7Oy4iy26HGBdLU1Pk59or_Aep3dCrYEcs_ydnOrsbRFzs55s_tgsewfh6h0lbaTKmvuA-KQo4yvT1KY3ubchfuId1J0mQ58eCk8kmxde-vGLIqTDl2YFXP83_W1En2I8FzkKY7T0oKYVurLZ6T8kpMOZrIUgTH3KpbMiefvMmQk7uCJ6cattk14Gd0abBw2xH2FeyA5ZOg30Uh2BkC6iJMglnaq0IhzxjkwSngmcNClfokuQIa2kZO5NQ=w722-h486-no
 
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EQ Amp:
C1: 1uF 25v CSSA / WIMA 1uF 63v
C2: 1uF 25v CSSA / WIMA 1uF 63v
C7: 330uF 6.8v CEA / Panasonic 330uF 16v (FM Series)
C8: 330uF 6.8v CEA / Panasonic 330uF 16v (FM Series)
C11: 3.3uF 25v CEANL / WIMA 3.3uF 50v
C12: 3.3uF 25v CEANL / WIMA 3.3uF 50v
C17 100uF 35v CEA / Panasonic 100uF / 50v (FM Series)
C18 220uF 25v CEA / Panasonic 220uF / 35v (FM Series)

HFE Gain Matched 992s = all transistors replaced on this board.

Before:
fAwcJROJOu-QQiN05Wum6wGkF4gPUgyLZma9MrafoocDrtK-LQj7sO8o9E9KLX_n4017mmRNyy0qmhXeoqIVyb_JeQyNftG3RILUC1SCPlOs2R4WqEL6eixld_-vXZ6LzwtcX8D24Nl1Pep_BJSXAB162mCY7m-luc6yBQL0-ebVzW32f6YU9irU2B0cyA8f1ruuGig6lK4AzI8PaL_TP_lziLFCxp7yRse5BGXf-jJqEyDmNYTBkTuG_3mBYYw9aYXSZCtzybNKGcI8W6ABSCqOslR3bGuSMaWO_gEqjMsYuCuESxMW7thU3IxtG3elUvBk88eb-oLcVRLPOd1vHLRWWAE3ua6-AYO74BBbSnZhLlluuOHfPkTk_LfiBJmF65AwxVLSRBWmg0jftsNO8vteGOBfTapgjFlOmrgXDn7W5Z8kwbKVIk9PG2zMux9WEWuzmYr5nslE0X5hIuBogQ-Yo5Jrg50lVZMDfoIEMlcea3_huWFYmiNbFxKLEeCYC8pAGMjSxZ5Mkb9KMJK71WaoUiuU7LMZO6yv_9Mrsk-l2obx9Agrec20mU8GWhQLOD-uR3UJFqbwjHgyUzm1YCR7PpZdo7FBaUu649ha3wdOo0Ec8HMHMLCumH2RagGKERRV-db1AZJ67aYUZkiWP1Hp2E7XOvTNqhR6sShv37HHT9jZXR_vSiz1r1lzRMG-YZyCsfKpBNAG-Xgho4zy0PMxtTDDdbihhUAbxhThAjK5d_g=w1147-h861-no


After:
5qsljef4Xb7AOOZ_7XKq23hOtHC-vekODh-gfHjvEEyyo-yyPhxIEOCbCD-MNx6pAhkLjrR_LD5EIMOvOnK0jq-4-DB5LZ767cRACvlNly3xQgoYJ32JWI35Ti0ZC9KTpfvJq0Db57I0kevAFGI2aIcSBBw5dGZnHJEPskT8-xTDBSynTPX4a7Bjm0kgmNNOwCOZS2EK-1Lf-nF6jvFYZwiDyfXTk7dEth6KVmQdzM0B-RPihgGEYn33VJXs_-qOpk6wq4A8yWjF9SB7Wl2BO7oecvRyxKYaUbghmlbg_KLlGs_BHYuIcy77agS6aJg3tUyEyqt8R1nTihCyyus1-y06EpzfAC4ZLptk-hBOXAVrjbvf74pKJSuQBz5yiMTLBzbsE7azujgJmaOwuqlUgDZzQN76eu8hmdMqPtAhMZ3DPUTe6hM7JrumInjOI4hAFKCTLt0kPXNC-k4OVGt0E83WDOQz0cE7BaK1cZFDZ7-m33RagThaODYD14FbYfWClSu9p1YcZDWE79lvNqwhsdmyK3kVaIXmxQAXgF7NJIiUal8tvBSqw9lUVvcO02grHOhqoMojfHIrCUVfdKuP6LnP1gq0s3e9E0dq69-A6lX0bvPluzHOgSpQSGzZUeGvWor4J6h-I6gyOt01cRpm1pHjRCIoVCcD_yXcal1n6XyMopczfxYwhEB12Xb2klY7oveNxr8qzSSpXjowEIld64hiIMgR9jcfKHdN8K6gnT5C8uQ=w1147-h861-no

PtWv6lRsJoSGBXkJUTYntvJs7BNPeunVjccwf0O1912ItOiCB9ySH3-140i17cqm1dIE0VYLnjFXiOOSZ9DloxvuVGWSymwvqqWcGzeizpCBXS7rKAfbcLDsgPTV8NyPbaPtvUbtSko9IRIud4Mry-WFJR9vAsfO9skPSLueC0SrxeX-PWHkef5-5BuLDlV0e7p-U4h9U2IfDtIj2xf5Bb0-ZGkzKkfSx9yIYaGviLkSqjG174q8I0yXqeHnUCfw7M2pUTmoaPwv-fKA1lDJ8eU2RgSG5ahzgDnrT4xlFqqZ3gMaBDqKxttwi6J6t1dF0vaiS0c5HBuG2OaSyCVkroR42Dd-tK5OxSvsuAPFGTys2PHMnVW0l_jjrShAoB1W7Y0VWQjzB49DippNruXX6lUsEq-O5qJGe56yyXL-wugSrkhPL9t9ibouMsj4IcG7DsSGTxUdUkbQSD_lPsLWL3FGoSzLdCR_4NxdW8oyhBRFGodE1qAxuT2NtZ8zh9mbaOsKyrEkJ9fQB2valGmqmQ9uPEsTiI2WGPNmfQ3hZu5I_QspWbI8nwmX2JfUS1pw5koXTOS20cQ69oFRLCiyxuTt1OjNXwRYAxAI3SdVLqDpVATL90oYcfhk4WXQn-5gekarZ3Rw5L3JTj3jDC-kWiH4gko0skiag7U08IZVcrLv-f3_NEL8E8LwowEeZtkQ11Be2kSHWZaQ3YPuRI98tf0y-IvygwfBK61cfwt2c9tidIw=w645-h860-no
 
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AWG-059 (Power Amp Board)
C1: 2.2uF 25v CSSA / MKS2C042201K00JO WIMA 2.2uF 63v
C2: 2.2uF 25v CSSA / MKS2C042201K00JO WIMA 2.2uF 63v
C3: 1uF 25v CSSA / MKS2C041001F00JA WIMA 1uF 63v
C4: 1uF 25v CSSA / MKS2C041001F00JA 1uF 63v
C5: 33uF 16v CEA / EEU-FM1V330 PANA 33uF 35v
C6: 33uF 16v CEA / EEU-FM1V330 PANA 33uF 35v
C11: 330uF 10v CEA / EEU-FM1C331 PANA 330uF 16v
C12: 330uF 10v CEA / EEU-FM1C331 PANA 330uF 16v

You gotta be careful here... be sure to pull off the sensing diodes and minimize board swing to save wire wrapped posts. All outputs pulled and re-pasted.

All small transistors replaced on this on the board = all 726s were replaced with 992s all perfected gained matched (the benefit of buying these things a 100 at a time).

Process:
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Last edited:
AWG-038 (Flat Amp)
C1: 2.2uF 50v CEANL(NL) / MKS2C042201K00JO WIMA 2.2uf 63v
C2: 2.2uF 50v CEANL(NL) / MKS2C042201K00JO WIMA 2.2uf 63v
C5: 4.7uF 50v CEANL(NL) / MKS2C044701M00KSSD WIMA 4.7uf 63v
C6: 4.7uF 50v CEANL(NL) / MKS2C044701M00KSSD WIMA 4.7uf 63v
C13: 220uF 35v CEA / 667-EEU-FM1V221 Panasonic 220uf 35v
C14: 220uF 35v CEA / 667-EEU-FM1V221 Panasonic 220uf 35v
C17: 10uF 25v CSZA / UKL1V100KDDANA Nichicon 10uf 35v
C18: 10uF 25v CSZA / UKL1V100KDDANA Nichicon 10uf 35v
C23: 4.7uF 50v CEANL(NL) / MKS2C044701M00KSSD WIMA 4.7uf 63v
C24: 4.7uF 50v CEANL(NL) / MKS2C044701M00KSSD WIMA 4.7uf 63v
C25: 100uF 10v CEANL(NL) / UKL1C101MPDANA Nichicon 100uf 16v
C26: 100uF 10v CEANL(NL) / UKL1C101MPDANA Nichicon 100uf 16v
C27: 100uF 50v CEA / EEU-FM1H101 Panasonic 100uf 50v


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Good work, nice to see that you used/spent the extra $ for film caps as much as possible.
I see you re-used the old Toshiba output devices. I blew mine a few times, we used to crank it when we were young, so if you plan to play it loud or with low ohm speakers, you might want to upgrade to MJ21193,4 devices as they are much more powerful. They were not available when I did my upgrade, so I used the earlier MJ15003,4 devices, they have held up well over the years.
 
Super Noob said:
Here comes my latest rebuild... local SX-950.


https://drive.google.com/open?id=1qMku989EUw8sRdkSVOmchybrtVHA-dwv

The caps lists was a copy from MTF / MattSD... it has some errors but may be a good starting point for someone who might attempt a rebuild.

I recommend the following = new plastic standoffs (for the three boards on the underside)
CBLS50-C (mouser part #) Qty 12

These plastic clips get brittle due to the heat and these are direct replacements.

Recommend the the LY2F-DC24 relay per MTF and the the following standoffs as well =
728-FM2110-3005-A (Qty 4).
Click to expand...

I don't see a tone amp. What's up with that?
 
Tone Amp Board:
C13: 2.2uF 25v CSZA / WIMA 2.2uF 63v
C14: 2.2uF 25v CSZA/ WIMA 2.2uF 63v
C15: 2.2uF 25v CSZA/ WIMA 2.2uF 63v
C16: 2.2uF 25v CSZA/ WIMA 2.2uF 63v
C19: 100uF 10v CEANL(NL) / Nichicon 100uf 16v (UKL)
C20: 100uF 10v CEANL(NL) / Nichicon 100uf 16v (UKL)
C21: 47uF 35v CEA / Panasonic 47uf 35v (FM Series)
C22: 47uF 35v CEA / Panasonic 47uf 35v (FM Series)
C23: 2.2uF 25v CSZA / WIMA 2.2uF 63v
C24: 2.2uF 25v CSZA / WIMA 2.2uF 63v
C25: .22uF 35v CSZA / WIMA .22uF 50v
C26: .22uF 35v CSZA / WIMA .22uF 50v
C29: 10uF 25v CSZA / Nichicon 10uf 35v (UKL)
C30: 10uF 25v CSZA / Nichicon 10uf 35v (UKL)

Before:
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BRODl5UyLX5SOfLaYD_YLhtTIGmEkclVYMB6hdCBikcWNNu8laH0jCFxaeh_S2frXWHyV6Vw1mz8dVPyABJT6YUTd2P4tj_gnYBQQtiwHmrpV2axGX-5m5ToCopxg48P-ctnHsX_3Cal3QbDio16M3yW-k1uTCRhpG9UrXsoH1lyEmMk2Wweku062-KCYewErv4j84E7fGwnhp47Lg22ZfTKVzuS9qi774Lpvf4l2uDg5MpsCo1y03VLWGLi2g7ynU5qKc4OvbaMdGgOJ2OS8bqk5AaAj7jrLZQUnSR7VBrVIlMnhS4s963Ka0zRldk_e4-RP0p2--PwPBsZ1E5K59OWn2b9l1EwZxS6LWqir38wCEAcAkwTVzgHcIbZyYzl7rkytZzVtIIPoQiyOxhm3mqEx1fcVxxTllguC7funE4z5S8TVAms99IS25LdDFjLqa3dTTuMFQ8ID0393zD_taD3bf6D1GqLeZRPzy5VkmFu-EyFuYgaC7ROlSPuCifgpZ0YGELcxmnNeF6RMTRqInHY-r3K2_f4DZqEeZeU2_HOPkNXMNjEEUg8VHbZdnsYexiVSsdNu8htaNnc-4NF1JgoPyO_rxVIFjYkSuhfydC4U070l1OUd0jxcynchjp-PtUJXMSfhuvOJr-0MDNoJOnVqGFg9HLpZL0A2yKh3E9C-hTHH1PNDYdcDVPm-C802Qb637aXZRdLxOfPNNQJ4ihbrIMwScPgCP7RwqzYv-DFQu0=w645-h860-no

After:
02gKFaRSFYUZFiZ9qGkxLY3RqEg353IWR7ng7uWYYw6WBvC4wIH7_6UYZq6iHWyYeb10sn-xLwyAe_735GXpVyudiz4v9RncrYerLi6HyAx7n0ZDo9ZflBkf5GkHI7Hp5mo3Uc8iDEzMdB8YuJ6TBLIZYIfkVqmDEv_iqbMmE1_Hdg6GgDXtRv2K84gHFBznN2RHyBCYkDLidwMS4Dh_8Qgh5Q0ot6jZHpEtYwvLVUd2FK6Y_eZiAqOkDNWcuM2m51nnDXZW0yq2jZuCHg-g2jQNtr-0tr_PDYqP0h_nkQqGhPWF6jtbZyqzPHNGvQIqPCt6hzq_eRUBnIAfB5Nf-RafghblQdb7eZKzTP50ZNFHXd7Vzt50kc_7M1AKRb4ikjB2lRFRJDb_i4GKRqBKei0OxUVKLCv_nY8yyPI6e7GOaWu2zGPmLj5kA5pLCP_NbkYCZznrv68SLj71kAfMo_9zYABsnYlt6sdrPOTxwBiuB9xmvuZbpkOrpqBkc10E0cAR7J293Gn7xO4UpZCMK2b3KZtEL_P7FhvzzXYXMJecdmssL7xJ7_1maHAcE2z0LNoQc7xTJTpWcdS1Nwj8aWQbAfkWnW6WoGEnBPsjdG3vgsjwEnbNl1w-tQD5IM7iLUdZftD-3NWKWNE057dCK-O3qmxdfF4G048IeSqveKaXaQY-7QPUnEMTXA2Z8Ks7Z23QO5pFvr62dMmRn8DKqzWlzP8Ez_jIdoIzNonZNWLNNjY=w645-h860-no

mpiqhQ0dhXnWiIkLhRlJIkxSuqSTfvkgOXsUWzuZXnAfUAbvfOfo_NvKmPSxW9n-g4h_6WrtguxV-g3tOYOXdloZMloay1bryYb1_KsqhwLQOUgVRfYO-FZWk1y5gWg3FijyVCOgujNbnD3CTjKZh8pP_y2wOjR7BXMJ9WYTUsFfgMeBQRUsWvNK9AvuEFsGE0z9gedyk_uulr1X_hdhY8AXeoVjfKXSx6hP6dECZ1fz3vA39QZePTWjeJ_3dpgGt49cazhf8w3DhPyd2gd8IijXMLYuWmrbc_ABZKkvpZLlkuPB0nxfLt8S7Lkbtp_4bCxClNvwchxyYRbtZ9qbCjUDrAjqhmnH8zOGm_J2FYvfCnjSgnVxZjHboSEiqa9oFwyqtK2CGMDy-nPT58VR9i1oAaEjqTj9gUPPmSbAndxTitgRhQVZD1GWcDY_R9cALwKO-_iolTSS6wuidRdWRcbrQ6QDq-p91wIvFFotD8t8LeyWb1fVEZxWomrORqPm3yuk0fXPHN2hoY4NCfVwknk6q7bSbQbeNdrRadkVoJRvMb4L-YqNoR_Ikt3g_L8uCI_4pH5SeOFJ-8EeIkjymS6dUU-x6IMD_Qnq99vCi_92MOE8I7FyQ_AOuSF9m7BGQEj0yc7tBTqmdI42dZzDz02U7EMGpWBawYm9gdtpfty0K7qfIO5xzkfUAoEqgIRDaIM1J-CzilJuaTrSoDq_tNfbvVmWzd5tfVxWQpKM7v-6vpU=w645-h860-no


If I recall there were six total 10uf and only two 2.2uf (in lieu of six).... two transistors changed (KSC1845s).
 
Last edited:
Tuner Board:
C22: 47uf 25v CEA / Nichicon 47uF 50v (UPW)
C24: 10uf 16v CEA / Nichicon 10uF 25v (UPW)
C25: .47uf 50v CEA / WIMA .47uF 63v
C26: 10uf 16v CEA / Nichicon 10uF 25v (UPW)
C31: 1uf 50v CEA / WIMA 1uF 63v
C33: 100uf 16v CEA / Panasonic 100uF 50v (FM Series)
C34: 47uf 16v CEA / Nichicon 47uF 50v (UPW)
C37: 1.5uf 25v CSZA / WIMA 1.5uF 63v
C38: 3.3uf 25v CSZA / WIMA 3.3uF 50v
C42: .22uf 25v CSSA / WIMA .22uF 63v
C43: 10uf 16v CEA / Nichicon 10uF 25v (UPW)
C44: 10uf 16v CEA / Nichicon 10uF 25v (UPW)
C45: 10uf 16v CEA / Nichicon 10uF 25v (UPW)
C46: 10uf 16v CEA / Nichicon 10uF 25v (UPW)
C52: 4.7uf 25v CEA / WIMA 4.7uF 63v
C53: 47uf 6.3v CEA / Nichicon 47uF 16v (UKA)
C57: .1uf 25v CSSA / WIMA .1uF 63v
C58: 10uf 16v CEA / Nichicon 10uF 25v (UPW)
C60: .1uf 25v CSSA / WIMA .1uF 63v
C63: 220uf 16v CEA / Panasonic 100uF 35v (FM Series)
C66: 4.7uf 16v CEA / WIMA 4.7uF 63v

Pull the tuner wheel of the shaft.... tape it to the upper chassis, desolder 5 wire-wrap post. Per the guidance of others - I never change any transistors on the FM board. Alignment remained and signal strength strong - turner performs well.

Before:
QyPoDjFbZq1byPXq2NfN-WfKcJM3dZ8m39NGLA-Va18qTC99Bz3MZOxZQTbpgdYKy1M1k7XN1VnN8ZUG1YfnpPeC0cb-sNwk2ayXHrjSgSihirxrFHfVuRqwz5oKEq79ZNQ1wOBZjSiE9GQN62X0VPWO1-idZUmpX2MC2KY-3GhiHzPCEx_4fOQndjz58KUZ-6w5e_CWauvWz6ch7SKfCS1a0cx5RwDNjQYQaDjjyrLPowMO1i-uc1qRBJaq4uXNaGpNC9pzQLqpYW_-SfT6uo9SeJEhxs6jwKCkkf-TDmGjaNdGvssLW2GHU_hS34hS-MDWLGWWJSVtHTMtxz4gHtfF5-kgJmUHfy_-pcTQiOR88YcL7-Jv7S1i8dSrL30380Wnv6K9NO5zDkSMBmqrHErvWZM3dwUgsw0v96fPpqI5GexqQ9WYJaHYYJdp07AWtmQ-PlcCPLb0Sqt9HuruJw1Knmc5WINAqChq4lP4d93S6xN4DvmjAO7y84bUUx5vtDPFDlrHPaJMo1nD9I5rg1PDZqXO8FE8Pzg7FpD0YOe_oojVcZaXttAe8Iwg-RzzYPIGzQfmVRM0-ONRwul_MuavenQkoefrHbobPXK0cMucxqsYr-1ulWAHib9Bk5LA-m8ZAVafoRKb3qigmrNmxZyjNMJPkqz-Yml-vpDVwNOkyn6y_E5MtpGFj4hx3VwfUGtuQo3lK948DMmsQVR7zDSTukjkkFSh7z7FN-xXE_rBpc8=w645-h860-no


After:
Oe4t8fOyLERzdij0eG08zXhFt10oEhX3hFxqbgK4tffbMW_CYoGSnLnmXylKynYFsIO87mJSkrPUaZBtQ9ttoCpRZF3vraG-55UzKJe8BmvaHvqMCwfxzBGGRvWI4u9LCzB8VI6Ty7d9Sv6IQw2I_8vNB6WDm_GQOpcREjgK7X6k-kbzGfpjTfz5aEUwIJ7i3g1_7iohZbXM30eAE7s1WNspkHVE7ciqcuPJIhfaYBQK9EeW5zUAN8zMoQp_0VK1es5RRK3hHTlKPVFHRNYs95RTF8vWipCt-pDgV6yp3ev5J7QgvYPa0TdC7QTpRN6MSpiiEoeATUBIAVumnegpLqM5tdIVI9mUPmoq7wLtFhkSgyN435CvmTsYhsJbjd4mwj3d1goaj5MN77WbvPEIkLntlRpTRo6GWIt65rf7R2bzUq8cKJ7l6_WbnveW-pCkkvuvxKZtBloPJF0pqO6dEwJNMCLAzeTVzLrc8Siu7WlN_gs7LzafDDFw-f44htJFc6oqOeW5rDRThRMmsd73HVIp76NGuiFYkj5rRMTyFwbi_bxwtfpi6_c3cOfGNTQ4mu4UmMO1EGj-j5l8AvqrskMM34D_U9KsFsVBBla8iMXSj_pFMTPmjl4Q0qrVuh9fELlOFP6_gL_3qEhFto5F33gzKrKt6Vwy7D0IMejTuRzg3r9vG6fw5UuvGwbEC30aOoURHD3gblh7K33Be9HepvYrSGWXr_CYzGBE4qAx2rtcAX0=w645-h860-no

ZrAR6UthMdbHvbjrf0Rjdu7F3uaA5z2x5E3IYOD0S-N5jRidRkCH6THY3qw_E_t-1NVNLQuRU49iB7_u3TU6BgoyWhuS1BNcPd3CgGOoPFEuN0JilAsVrYeiNM4uZEjzZR59pLUozZxKH7wmMzm8aqsw23luDqjzC-AGE7VeA4Yv_A6Dl8E2RZZm6iKyVIRphV9xc3YPhsZZYO1C1QRGFDr6lorubhEAnDKQJtEzLPaIJtb1fgmpu_kruy_A18ypGLeTyTTMcUHvqO5-v2eaiwOLRbd1_52wMOqyEV2qKVX7MkwfrvyUnVwCyNIgsjPn5u32EfcqnVRmKZX0we79NRqOTywu1l8asVuxHSyH6FIHUy4J4hzX1H7eRBM1rKpXhiAguGz98rY9QslWkLZImkEBvwUxgVvAchJmxUq9Xf3QrFecnTwuWZxXRA3lOMfLpfJFJA6D-pYAgBCSQR2bJvFb7-gowusQ7ZVzAwukDP2iRBoE1RjYPo7tHjfJCdSXE81nBlIq5XoS1XbxUq-87YXQZilR6PbEPbBHf3prgG0yQs-wWIx_TbwQXj5QMQP3t9SIp22MEtUBIJ5aRMhnCDZr53N8O1w0PfHegCVZwUm1Ry9cgyBXh5-kqVizO1R7ozAHh5v9pmcQPpMRh9rDQlW2rsx3Pg9y2Q0mnmHSmCpVMbd7zfZhbGVyyt5IcLgG-5wKzAN-p5p4KCVd4QZxer9_ycRgWcgw92-nI_skKowinUg=w645-h860-no
 
Last edited:
Switch Assembly Board:
C1: 220uF 6.8v CEA / Panasonic 220uF 35v (FM Series)

This cap is pretty deep... all push button and pots where cleaned with Dexoit and flushed with Faderlube.

KC-L3gwSNUXu8rio2VmZavrZwgWoPhrX1CfhleJwXrUHpP_tY_Ct7s2yOgUA6AwS8jwHJqt5FvJBuWAoLiYg5855g3QeELP7dXBUWK5k03mp7d62wz3KTJ9QRBESLWy1dPEgF3amJP7L_a9HS37gRHKnR25G-C3K3_PV9deP071AJhS4QbkSZrfg0HQcxNBxADSK2urQBHL2tvicklZHKoJpSOKur5mBBkmTaI2AJ-qzAvWVPqBX6GzEffFSvtNdr2-5oWtF8dHfqKZXndMpK_7O-m39A7GjXauLUaoblM6ZtvvYXi9ExLxYy1hOiH_gx5FZ2PhfYzsrx00JMbkdlm7CRseRPAAsIrdYpCayIf0rR2lhrFb92dM9X935WA8vTnT2rMnv_bV5P6zepVrjFrK_bwmJNrEMR3ZSZJkOdidGaLuBFY5sRwhdEJeBYYtbhBHexJYRREssY0P4_OPwcr0CbdIVG_VL5wiwsIiD-jtzISDi3E-N2SzHhAwp9G_a9Zq0aT-S3SxO3FA8SVJvT_1coeSQanIgReOI8EUDs6ymfnJ73bttXt4ZwxBr44xd0j0ndoj7JZDNG3Eh24EiPfqkfIdmnAGOjc7_ychRIVrZoMZK2A4Ha7CjEkLqbbwAGfi5s0mue52w6hgB_y_AWjUBF-j3K2k2C7Q2OXLbvCUojPNU4hO2EdL5DIBKWMaZhzegiWyYfMl2U_2jxcnK7vJDT0L0cS0A_yQE_VfiPbHNSiM=w645-h860-no

F_b0VX5KPkhdKZ8sefALPANNVAmXV7ghtJ43hrmupOIzdNoqSRa8a8ptXAuHuVaVFwHtun-8P7QfeHTOWjps_QtlKiUDUEWwhuS3RfMWDEMxpixVekkTdgf8nX1tOZmgOy6JA97YBHADE2eEbPTOClkUS5LFYpYCL8pgDRNrChm3aVtcATw1LxtVK3u937OZffPErgpZjPd6qiezwmRPdHdZimHJvrIlwnYzNlamUEN8Ly1eK7rY_4UTIvJYeq-c83EtA3oGh19lxB8t2quTZhhEehup-6vP9v1PPimJ8ZJM7O0o7GBKnHOPQGztfkOwZb11DMWHkZLTQt57Drzb2qtA7UTUjxUlK7gb3rccLxJK3q0uNCWb_QuUOb-DymgWi4Vbm3QbM0UyGDk6q_lqebdh8_ESlnO4ut_WQLZN7CinDIwQunDC9zgHw1-qJN9LU3w3yqSbwUdOjKz208mRcpJshaQWKCl-xAnuYaSfOfeCC3lY1jhsfcIbSzydCNKSIY7CIW3T89y2pcAzyYtsM1fn_0YBOeVV0VzaZTvVzjSAxah-lTzIXEUS0tJRS5Beq8VemRc7b8qYHOvSKju4coqnU7VutiS16fqV6LGR4OjjkqNkCJvrBzLPbDCByawRSmhlluq3z7h1PwPjdXsrZjsPEXWAION65Nx7mEXTzfejFnjDSSz8KdnvxXx4IwYhNFiOFOL45DKHahtAeRsFSaHLyDzLgF2Or0qyCf_pQK2obFQ=w645-h860-no
 
Last edited:
Main Filter Caps (United Chemi-Con 22000uF 80v):

C1 Electroylic 22,000uf / 80v
C2 Electroylic 22,000uf / 80v

Install is really straight forward compared to others... installed the resistors and 2.2 Panasonic Stacked film bypass resistors on same ring terminals.

Bb2FN5hMCwn_-W9i78xg64Ij3Hgef-Ofw4dEapmdB40bsiAanCMlnQE00c-0k4VtF5kGMKjm5Cq4OtMr2zrH-6VIkzcczSMLjhZCHaQglxUGh8vgrmMQL5RkHGY8AyKIKObjg0V3f7lZwwa-ZO-ooZjXzuRxcNemX30KZS_nHKcmQGt9vhJEU9d1UJJnXwXZuIij85xFOevfKpa62yyu2KJ8FTuzVdJ7A-AzI-zYzvJltxKJYqV2QVYKEDPCp-mGtVOnRIU8gTOGtS0cfmWqxl51Vx329NT_r7z1D8FzPBNtNolFU0Sf0YIqp5dwmxJZ0XsEJEUfvBvflK5GeJRg8YyoLYWA-dkWQ0oq9bR8a0ZW0IljSfHBVqbxNQ-sQkbZyN9GoqmlbwJ83OtTdXjxOgVhNkY-ZgXftXoftQuIFSL_eaofbF9NY6m3pWVid7uoZv2hS0l_FEzN1FuKvrO3dnE8mo1w-ttkPKU8tN1euG_hyN28KJoeZxglAzmfnSVPLQ20KPCg6LJbyFK2eQIa2JSkUkJ-wHbLOBh9-VusFZXJE75We94flAhmtQa43Kt9cGsEHRkizzWhIYRUnjNHU8IIVx-qh8QYGJhFTWYUTVYTkybdtILw4TLb7riIXJZWfBMPFdjWPesjkGUoj5VhqIYWqs59uY5ezJXJeD0imoapXe8mAv7m5OLm3Mr1b4Es8qbgsVlHtVW_sBKEDGmardXP2g2k9aF2jDsHRzzWEmRm2js=w645-h860-no

4rX8B0WUr_Q9FctbhvK_aL72uVIoODS13WppzpH0sTVNowG_kpNH5dMpoOCs7kdr18MkI7S8-bUyExN3XCLJY2wBs-BmScr_7H3_E-J7_AzFGc5Y9Re4Qq313I_GEnmi7ndf8x0Zd21-KPv2XWuuRjwFVrCT8FsBwp6qFHg1TckkieOgf5C0l80U13GbCAmsS3wES1mR3RBgLcFdMzd5br-3EFL1kh6v88wY9ERFb98LDat4SPXHFFcp7RBcQwJnosPrk0_vFnfjUoz6Nl9WIr5obPPBcZaU5kNuTaLDROvsEdZCTbpGsPGl_KvBaIm6ZeqxPmPvT2OVZzmwY1vsS_rYN1xfT9a-hkMfzEy18gQenB3gljbEaKw7k3TUTDqcWTUb_qFqWcJSY87buVf33JeSizCH0UbngZRl_cIQHjh9VW2ueoegHbXFjjOZbXhiCgwQ2EWxka_4FMHCQQSlc6sTZk9POA3wtPeIP466WENLlErqtyxYwWwrlWCAw8prJajsEViGUP2baNLWygyULINIkaRMyMhWVFcF8b4H_U8hXoPRFuL7DSp_G71u0BPVZEM-FXsOZyxWZe0h_hA6vUOk_NcQThXrnbzjJqD0azgi4LJoSY2R89DCX9Xon7LaoKnxeKwPwhR1_nDvo-v_C7uvjma4zVk5mlx0i1k9rAJehYf4PbsSLgdCfylJbq8kbf4YhIURmuwZZ0jIxGcsSntye6PoCsQT3gZVRvWly64QsX0=w645-h860-no

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New LEDs:

I like the bright white compared to the traditional soft (yellow);however, everyone has their opinion on incandescent verses LED and color as well. This is what I like and looks very clean with the brushed aluminum face.

Dial lights are really straight forward... the indicators require sanding to the bulb / len to ensure eliminate spot lighting. Turned out great.

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Super Noob said:
Tone Amp Board:
C13: 2.2uF 25v CSZA / WIMA 2.2uF 63v
C14: 2.2uF 25v CSZA/ WIMA 2.2uF 63v
C15: 2.2uF 25v CSZA/ WIMA 2.2uF 63v
C16: 2.2uF 25v CSZA/ WIMA 2.2uF 63v
C19: 100uF 10v CEANL(NL) / Nichicon 100uf 16v (UKL)
C20: 100uF 10v CEANL(NL) / Nichicon 100uf 16v (UKL)
C21: 47uF 35v CEA / Panasonic 47uf 35v (FM Series)
C22: 47uF 35v CEA / Panasonic 47uf 35v (FM Series)
C23: 2.2uF 25v CSZA / WIMA 2.2uF 63v
C24: 2.2uF 25v CSZA / WIMA 2.2uF 63v
C25: .22uF 35v CSZA / WIMA .22uF 50v
C26: .22uF 35v CSZA / WIMA .22uF 50v
C29: 10uF 25v CSZA / Nichicon 10uf 35v (UKL)
C30: 10uF 25v CSZA / Nichicon 10uf 35v (UKL)

Before:

8IbdACysOqlpzRTVf9OposPsMZ9KuABume5jdhsPZ15hBF40bpC96F3F6mPQhcJk4seBtlfvWHzOp_XolZWXMQ8R7xEHZM1rbFhb=w330-h440


If I recall there were six total 10uf and only two 2.2uf (in lieu of six).... two transistors changed (KSC1845s).
Click to expand...

Tone Amp...... look at the Tantalum caps that you removed, if you still have them. There should be two .22uf, six 2.2uf, and two 10uf Tantalum caps.
 
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Trimmers / Bias & Offset:

Decided to try BI Technologies Trimmers (usually do Bourns) - turned out great.

858-67PR100LF BI Technologies 100 ohm (2)
858-67PR10KLF BI Technologies 10K ohm (2)

Bias (dialed up to 20mV)
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Offset (perfect and really stable under .5 mV)
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EastPoint said:
Can't you just put the new relay in the old relay case? I did that on an 828 and I think the 950 would work the same.
Click to expand...

I struggled with my SX-850 with the relay case swap... and I just ended cuting off the mounted flanges and epoxy them on the new relay. Turned out great. I like the standoff of method and the LY2F, but there are so many ways to get a great outcome.
 
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