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Thread: Peavey transistor cross reference

  1. #1
    Noodle of Reality Steve Conner's Avatar
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    Peavey transistor cross reference

    Here is the Peavey transistor cross reference guide. Peavey house numbered transistors are mostly ordinary Motorola (On Semi) parts, and this document shows which are which.

    Enzo's top tip: The MJ15024 and MJ15025 from On Semi will replace most blown TO-3 outputs.
    Attached Thumbnails Attached Thumbnails PV Semi Cross Ref 2009.pdf  

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    "Enzo, I see that you replied parasitic oscillations. Is that a hypothesis? Or is that your amazing metal band I should check out?"

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    Peavey schematics

    What's the best way to get Peavey schematics?

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    Noodle of Reality Steve Conner's Avatar
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    I believe you can call Peavey and ask for them. As far as I know, they give them out freely and also sell spare parts direct.

    (You don't actually have to cross-reference those transistors, you can order replacements from Peavey by the part number that's printed on them.)

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    "Enzo, I see that you replied parasitic oscillations. Is that a hypothesis? Or is that your amazing metal band I should check out?"

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    I just emailed their parts department. Seeing as how it's Saturday I'll wait till Monday to call. Thnx

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    Lifetime Member Enzo's Avatar
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    customerservice@peavey.com good for schematics and other information

    Parts@peavey.com for information and questions only about parts, no orders taken by email for parts. They will take schematic orders by email. Customer service is usually faster.

    Phone call to parts at Peavey - ordering parts.

    Of course all the departments take phone calls if you prefer over email.

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    Education is what you're left with after you have forgotten what you have learned.

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    Old Timer oc disorder's Avatar
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    Peavey replacement board for TL604

    This is the sheet Peavey send with the TL604 adapter board plus some
    pics of the real McCoy..

    TL-604 SN-99661 SPECIAL HANDLING 70400604 CMOS
    Enzo Quote

    70400604 is just PVs part number for the TL604. SN99661 is also just a house number for the TL604. They are the same.

    Texas Instrument quit making the TL604 a long time ago, but PV had used tons of them in their designs over the years. When stocks finally ran out, PV had to do something. This is what I absolutely love about PV. Rather than tell us that the part was no longer available, they made a work around. They made a little board with a couple small components on it, and 8 legs sticking down. This subassembly fits where the TL604 used to be. They sell it at reasonable cost, and those 20 year old amps will now be running anouther 20 years.
    Thought it may be useful
    Attached Files Attached Files

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    Thats a great table, thanks a lot.

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    Old Timer oc disorder's Avatar
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    Peavey-TL-604-Adapter.pdf
    Quote Originally Posted by oc disorder View Post
    This is the sheet Peavey send with the TL604 adapter board plus some
    pics of the real McCoy..

    TL-604 SN-99661 SPECIAL HANDLING 70400604 CMOS
    Enzo Quote



    Thought it may be useful

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    Supporting Member Jazz P Bass's Avatar
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    And as a bonus, you have available 3 unused switches.

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    Old Timer oc disorder's Avatar
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    Some Peavey Footswitch Info

    Well here is some older footswitch info from Peavey perhaps a better bonus JPB (3 years later)?
    When I found it couldn't resist posting here. And some more from the helpful Peavey forum thanks to
    Roger Crimm at Peavey Customer Service

    Pin configurations of some DIN connectors on Peaveys.
    On the 7 pin connector (looking from the solder side on the connector) the pins are numbered starting at top right (one o'clock position).

    ******************************************************** ********
    5150 II/6505 Plus

    Pin 1. +17VDC supply to pedal
    Pin 2. not used
    Pin 3 Ground this pin to detect the footswitch.
    Pin 4 Ground
    Pin 5 Activates the crunch function of the clean channel when grounded.
    Pin 6 Turns the EFX loop on when grounded
    Pin 7 Selects between the clean and lead channels( Lead when grounded).
    ******************************************************

    Triple XXX/JSX/3120/Triple XXX II

    Pin 1. +17VDC supply to pedal
    Pin 2. not used
    Pin 3. Ground this pin to detect footswitch
    Pin 4. Ground/Common
    Pin 5. Clean/Bypass
    Pin 6. Ultra/Crunch
    Pin 7. Effects
    *******************************************************

    Ultra Plus/Ultra 60/Ultra 120

    Pin 1. Bypass/Clean LED on footswitch
    Pin 2. Reverb Led
    Pin 3. Ultra/Crunch LED on footswitch
    Pin 4. Ground/Common
    Pin 5. Clean/Bypass
    Pin 6. Reverb
    Pin 7. Ultra/Crunch
    *******************************************************

    XXL

    Pin 1. Bypass/Clean
    Pin 2. Reverb Led
    Pin 3. Ground this pin to detect the footswitch
    Pin 4. Ground/Common
    Pin 5. Leds (not used)
    Pin 6. Effects Loop
    Pin 7. Ultra/Crunch
    Attached Files Attached Files

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  11. #11
    Senior Member vintagekiki's Avatar
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    Member patlaw's Avatar
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    This schematic is behind a pay wall. Can it be posted elsewhere by someone who has access?

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  13. #13
    Lifetime Member Enzo's Avatar
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    WHAT schematic is behind a paywall? Any Peavey schematic can be had for free by contacting customer service at Peavey. That includes the semiconductor cross reference.

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    Education is what you're left with after you have forgotten what you have learned.

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    Supporting Member Jazz P Bass's Avatar
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    Here is the cross reference document: Click image for larger version. 

Name:	PV Semi Cross Ref 2009.pdf 
Views:	289 
Size:	96.6 KB 
ID:	49832

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  15. #15
    Senior Member vintagekiki's Avatar
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    Quote Originally Posted by patlaw View Post
    This schematic is behind a pay wall. Can it be posted elsewhere by someone who has access?
    Download the schematics is free, but portal requires prior registration.
    Registration is free.

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