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Great tape deck manual!
I'm very positively surprised, because it is a very long manual, lot of pages, drawings, diagrams, description of how to make the alignment and adjustment procedures.
It is as good as the old "Naka" manuals from the 1970's - if somebody have seen them, they know what I mean by that.
I recommend to buy this very much !
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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
SECTION 4 MECHANICAL ADJUSTMENTS
PRECAUTION 1. Clean the following parts with a denatured-alcohol-moistened swab: playback head pinch roller rubber belts capstan 2. Demagnetize the playback head with a head demagnetizer. (Do not bring the head demagnetizer close to the erase head.) 3. The adjustments should be performed with the rated power supply voltage (1.3 V) unless otherwise noted. Torque Measurement
Mode FWD FWD Back Tension REV Torque Meter CQ-102C Meter Reading 1.57 � 2.45 mN�m (16 � 25 g�cm) (0.23 � 0.34 oz�inch) 0.049 � 0.147 mN�m (0.5 � 1.5 g�cm) (0.007 � 0.02 oz�inch) 1.57 � 2.45 mN�m (16 � 25 g�cm) (0.23 � 0.34 oz�inch) REV Back Tension CQ-102RC 0.049 � 0.147 mN�m (0.5 � 1.5 g�cm) (0.007 � 0.02 oz�inch) more than 4.90 mN�m (more than 50 g�cm) (more than 0.7 oz�inch)
SECTION 5 ELECTRICAL ADJUSTMENTS
1. Specified voltage 2. Setting BL SKIP SOUND NORM/MB/GRV AVLS ;NR (WM-EX505 only) PRECAUTION : 1.3 V (DC) : OFF : NORM : OFF : OFF
Test tape
Type WS-48A Signal 3 kHz, 0 dB Used for Tape Speed Adjustment
Tape Speed Adjustment Procedure:
Test tape WS-48A (3 kHz, 0 dB) 16 � frequency counter
CQ-102C
CQ-102RC
set
+ �
i REMOTE jack (J301)
FF, REW
CQ-201B
1. Playback WS-48A (tape center) in the FWD state. 2. Adjust RV601 so that the frequency counter reading becomes 3,000 Hz. Specificated Value: 2,970 to 3,030 Hz 3. Check that deflection of the frequency counter reading between the beginning and the end of tape is within 1.5% (apporox. 45 Hz). Adjustment Location:
� MAIN Board (Side B) �
J301 RV601
� 12 �
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