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very helpfull
circuit diagram and sparepart list available
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Very good reproduction (copy) of original manual. Didn't have a parts list, but schematic was completely labeled with parts. Complete instructions on how to adjust mechanical functions of the 8-track deck. Well worth having and at a very reasonable cost.
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It's a full manual. All the parts are in there. I haven't found the problem yett, but I am working on it; hope I can rebuild the part myself. To make it more secure and unbreakable this time. Because the part has failed several times before and costs a lot to let it be repaired.
Thanks so much for this rich illustrated and parted manual.
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I downloaded the document. The manual was complete, well scanned and everything was legible. I could zoom in see what I needed to know. There's not much more that you can ask.
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It was complete service manual with all needed service informations. Thanks.
HCU-R700
C H E C K I N G T H E WAV E F O R M S
To check the waveforms on the SERVO P.W.B., the GND (�) probe of the Osilloscope to � ref� point. NOTES MEASURING DISC : DVD / DVDT-S01 CD / TCD-784A (It is better to use wires for extending between the probe and test points.) � When watching the HF waveform, use the extending wire as short as possible. � When HF waveform is noisy or can not discriminate the eye-pattern, replace the Traverse Unit after measuring the Iop. � Test points 1 ~ $ are shown below.
)OUT
,TM�
+TM+
1 RFI (TP) #A3 (TP) ! DMO (TP) " FG (TP) (INSWN 6 TEI (TP) 2 FEI (TP) VREF (TP) 3FOO (TP)
8 TR� (TP) 9 TR+ (TP) 5 FO� (TP) & FM+ (TP) % FM� (TP) 4 FO+ (TP) $ FMO (TP) ~TMM 7 TRO (TP)
� 11 �
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