This is the 44 pages manual for Akai CSF 14 CSF 21 Service Manual.
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CS—F l 4
STEREO CASSETTE DECK
THIS MANUAL IS APPLICABLE TO BOTH SILVER AND BLACK PANEL MODELS
SECTION] SERVICEMANUAL ..... 3
SECTION3 SCHEMATIC DIAGRAM ...... ..41
SAFETY CHECK AFTER SERVICING
Conﬁrm the speciﬁed insulation resistance between power cord plug prongs and externally exposed parts of the set is
greater than 10 Mohrns, but for equipment with external antenna terminals (tuner, receiver, etc.) and is intended for
or I, speciﬁed insulation resistance should be more than‘2.2 Mohms (ground terminals, microphone jacks,
headphone jacks. line-in-out jacks etc.)
PRECAUTIONS DURING SERVICING
Parts identiﬁed by the A symbol parts are critical for safety.
Replace only with parts number specified.
In addition to safety, other parts and assemblies are speciﬁed for conformance with such regulations as those
applying to spurious radiation. These must also be replaced only with speciﬁed replacements.
Examples: RF converters, tuner units, antenna selector switches, RF cables, noise blocking capacitors, noise
blocking ﬁlters, etc.
Use speciﬁed internal wiring. Note especially:
1) Wires covered with PVC tubing
2) Double insulated wires
3) High voltage leads
Use speciﬁed insulating materials for hazardous live parts. Note especially:
1) Insulation Tape
2) PVC tubing
3) Spacers (Insulating Barriers)
4) Insulation sheets for transistors
When replacing AC primary side components (transformers, power cords, noise blocking capacitors, etc), wrap
ends of wires securely about the terminals before soldering.
Observe that wires do not contact heat producing parts (heatsinks, oxide metal film resistors, fusible resistors, etc.).
Check that replaced wires do not contact sharp edged or pointed parts.
Also check areas surrounding repaired locations.
Use care that foreign objects (screws, solder droplets, etc.) do not remain inside the set.