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It's a grate service manuals.Have many details and the writing it's so clear.You have all you want in manual,nothing missing,belive me.I'm verry satisfied of this manual.
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Great scanned service manual
Usefull informations.
I will buy again!
Best Regards
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The manual describes this product very good. It has the basic things to know and also a more detailed look. Very well made!
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An excellent document to assist in the repair of my old personal tape player. It includes full circuit diagrams and physical layout drawings and full instructions on disassembly and fault finding.
Well worth the meagre price.
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Very good conversation, Pretty fast Service, wood do it again,
Have paid by Paypal, so i got the Service Manual online after 15 Min.
Very helpfully.
Greeting from Germany,
Hans
ELECTRICAL ADJUSTMENTS
ADJUSTMENT PROCEDURES
Read and perform these adjustments when repairing the circuits or replacing electrical parts or PCB assemblies. CAUTION: Inferior silicon grease can damage transistors. When replacing transistors, use only specified silicon grease. Remove all old silicon before applying new silicon.
2. COMB FILTER
CONDITIONS MODE-STOP Input Signal-NTSC Multiburst (VIDEO IN JACK) INSTRUCTIONS 1. Connect the video signal generator to VIDEO IN JACK. 2. Connect CH-1 on the oscilloscope to TJ303 and CH-2 to TJ304. 3. Trigger the scope with CH1. 4. Adjust R494 until the 3.58MHz component of multiburst signal becomes minimum. (Refer to Fig. 5-2)
1. PG SHIFTER
CONDITIONS MODE-PLAYBACK Input Signal-Alignment Tape (DN-1). INSTRUCTIONS 1. Connect CH-1 on the oscilloscope to pin ¤� of PT01 and CH-2 to Video output JACK. 2. Adjust R595 so that the waveform of the oscilloscope measures 6.5±0.5(H) at both leading and trailing edges. (Refer to Fig. 5-1-A, B)
Fig 5-2
CH-2
3. AUDIO BIAS
6.5H CH-1
CONDITIONS MODE-RECORD (SP MODE) Input Signal-Audio Signal : No Signal INSTRUCTION Connect the AC voltmeter as shown, then adjust the voltage to 3.0±0.1mVrms with R292 (Refer to fig. 3-6).
Fig 5-1-A
CH-2
A/C Head. AC Voltmeter TP2 TP1 (GND)
CH-1 6.5H
Fig 5-1-B
Fig 5-3
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