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It's a good manual, this one it's a scan from the original factory service manual, great quality 100% readeable. definetely it worths what I paid for.
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A good manual! fast service and good qualityi for pdf document.
thanks!
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Very helpful and complete manual. Maybe only one negative is schematics have sometimes unreadable name of the parts. But it's not a big problem.
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Excellent high quality schematics brought my old Heidelberg back to life. Fast download at a reasonable price. Thanks.
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This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
PRACTICAL SERVICE FIGURE
Tape speed: Wow & flutter: Take-up torque: F.F torque: REW torque: S/N ratio: Distortion: Noise level: 3000 Hz ± 60 Hz Less than 0.55% (4.8 cm/s) Less than 0.8% (2.4 cm/s) 20 ~ 50 g-cm (FWD) More than 55 g-cm More than 55 g-cm More than 56 dB (DC, PB) More than 26 dB (DC, R/PB) Less than 3.0% (DC, PB) Less than 7.0% (DC, R/PB) Less than 2.0 mV (PB, Vol Max., DC) Less than 16 mV (R/PB, Vol Max., DC) Less than 0.3 mV (PB, Vol Min, DC) Erasing ratio: Test tape More than 44 dB (1kHz) TTA-100 TTA-330
IC BLOCK DIAGRAM
IC, MM1206XF
TRANSISTOR ILLUSTRATION
C
B
E 2SC2712 2SC3326 2SC4081 2SC4116 2SC4213 DTC114
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