Revox B77 and PR99 tape transport control IC replacement kit
Nagravox
Fits ALL models B77 and PR99 - 3 versions
A complete set of IC's including plug-in sockets for the B77 / PR99 tape transport board. Includes PROM controller chip.
If your tape transport board is doing weird things, then you may need a new set of IC's.
PLEASE NOTE: There are 3 versions. See pictures in gallery to identify.
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Later type - this is the most common board pn 1.177.317.51 supposedly fitted from serial no. 53512
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Intermediate with 'substitution logic' piggy-back board plugging into large IC2 slot. pn 1.177.315.51. The piggy back board has 4 IC's on it and takes the place of the larger IC4 below.
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Early with 1 large IC4 pn 50.05.0143. These early boards can take this large (expensive IC) or the 'substitution logic' piggy back board above.
Servicing Brands...
