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The purchased manual is an high-quality scan of the original JVC paper-based Service Manual. The Service Manual includes the Owner´s Manual, so you do not have to buy both of them.
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It paid to find this Service Manual, couldn't find it anywhere else. Exactly what I wanted. Received within 24 hours.
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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
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Excellent printing quality. A complete and very useful manual with all details.
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This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
Loading motor board assembly Loading motor Lugs Motor guide
6.5 ± 0.2 mm
LABEL
2. How to install (Centering the mounting position) When the capstan motor has once been removed and then reinstalled out of the initial correct position in the rotational direction, the capstan motor current may be unstable during operation in high or low temperatures. This may result in greater Wow & Flutter and occasionally in power breakdown because of current over - load. Install the capstan motor while following the procedure given below. (The capstan motor is centrally located when the unit is shipped from the factory.) (1) Provisionally tighten the three screws (A) securing the capstan motor. (2) Install the mechanism assembly to which the capstan motor is provisionally fastened on the bottom chassis which incorporates the Main board assembly. (No need to tighten the screws for mounting the mechanism.) Make sure that all the connectors for the mechanism assembly and the Main board assembly are correctly installed as indicated in Fig. 2-2-8b. (3) Making sure that the connector for the capstan motor is correctly mounted, and securely tighten the three screws (A). Note: � When the capstan motor has been replaced with a new one, perform recording in the EP(or LP) mode for at least 2 minutes at normal temperatures immediately be-
Motor pulley Worm gear Belt
Fig. 2-2-7a 2.2.8 Capstan motor 1. How to remove (1) Remove the belt (capstan) on the mechanism assembly back side. (2) Remove the three screws (A) and remove the capstan motor.
Screws(A) Screw(A)
fore starting the FF/REW or SEARCH operations (Aging).
Capstan motor
2.2.9 Pole base assembly (supply or take-up side) 1. How to remove (1) Remove the UV catcher 2 on the removal side by loosening the screw (A). (2) Remove the pole base assembly on the supply side from the mechanism assembly by loosening the screw (B) on the mechanism assembly back side and sliding the pole base assembly toward the UV catcher 2. (3) As for the pole base assembly on the take-up side, turn the pulley of the loading motor to lower the cassette holder because the screw (B) is hidden under the control plate. (See the �Procedures for Lowering the Cassette holder assembly� of 1.3 DISASSEMBLY/ASSEMBLY METHOD.) Further turn the motor pulley to move the cassette holder until the screw (B) is no longer under the control plate (in the half-loading position). Then remove it as done for the supply side by removing the screw (B). Note: � After reinstalling the Pole base assembly and the UV catcher2, be sure to perform compatibility adjustment.
Screw(A) UV catcher2 Screw(A)
Belt
Fig. 2-2-8a
Spacer
Spacer
UV catcher2
Connector for the capstan motor
Fig. 2-2-8b
Screw(B)
Fig. 2-2-9a 2-9
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