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The purchased manual is an scan of the original Panasonic paper-based Service Manual. Unfortunately the contrast is not perfect, but I am satisfied anyway!
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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.
SA-DK20
1. Do not touch laser diode, actuator and their peripheries. 2. Do not use tester to check laser diode. (Laser diode can be damaged easily.) 3. The use of soldering iron with anti-static feature is recommended when providing short-circuit to laser diode or when removing it. 4. Solder the land on flexible cable of optical pickup unit.
Caution � When using the soldering iron without anti-static feature, short circuit the flexible cable terminal with a clip before short-circuiting the land. � After intended repair is finished, remove the solder for short-circuit of laser diode in a correct way following the procedure described in this Manual.
9.8.
Disassembling the Spindle Motor Unit
Step 1 Remove the floating rubbers.
Replacement of the Power Amplifier IC Step 1 Follow the procedures in �Disassembly Procedure for each major P.C.B. Checking� (Step 1 to Step 6).
Step 4 Unsolder the terminals of Power Amp IC and replace the respective component.
Step 2 Remove the wires at CN302, CN303 and CN304 and pull out the Main P.C.B.. Step 3 Remove 4 screws fixed to the Power Amplifier IC.
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