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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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Very fast service, best quality of the service manual and the schematics
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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
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This schema available for me in good condition. I would highly recommend.
CT-R5
6. ADJUSTMENT
When the adjustment is made, the product should be connected to a STEREO TUNER AMPLIFIER (SX-R9) . For your information, another method (without using the tuner amp.) is explained here.
6.1 TEST MODE
CONNECT ASSY
A
7 How to enter the Test Mode
* In case that the product is connected to an SX-R9
Select either of the following procedures:
1. By using the remote control, turn on the power to the CT-R5 and receive the " A15F " signal from the tuner amp through the bus. 2. With Power OFF, connect the Pin-15 of the microcomputer to GND, and short the TEST MODE jumper wires W159(TEST) and W160(GNDD) each other on the MCON ASSY. Then turn on the power by using the remote control. (Refer to Fig. 6-1.)
14 12 6
+7.0V �7.0V
+5.6V
Fig.6-2
TEST MODE W159 W160
Short point
7 Test mode operations
- When the product enters the test mode, two center LEDs will flash . - All operation buttons, except for the [REC] and [REVERSE MODE] Buttons, provide normal operations in the mode. - When all LEDs remain extinguished, shift the TC/MD signal selector to the MD side inside the CT-R5. (1) LED check Each time the [REVERSE MODE] button is pushed, the LED operation changes as follows:
MCON ASSY
Normal display = All LEDs ON = All LEDs OFF = Leaf + SW check (2) Leaf SW check When the leaf switches are depressed, their corresponding LEDs light up as follows: Leaf switch LED REV REC SW .............................. REC LED FEW REC SW .............................. FWD LED CrO2 SW ........................................ DOLBY LED HALF SW ...................................... REV LED (3) Auto REC/PLAY operation mode Push the [REC] button. The auto REC/PLAY operation mode starts: 1. Sets the function of tuner amp to AUX. 2. One second later, starts 5-second FWD recording. 3. Performs REV recording for 5 seconds. 4. Shifts the function to TAPE, then performs FWD play for 5 seconds. 5. Stops operations. * When the [REC] button is pushed once again, the above operations are repeated. ** After the auto REC/PLAY operation is completed, when the [REV] button is pushed, CT-R5 performs REV play for 5 seconds and stops operations.
Fig . 6 - 1
* In case that an SX-R9 is not available for adjustment
- On the CONNECT ASSY, short the pin -7 (GNDD:W128), pin -13 (GNDR:W127) and pin-17 (GNDA:W126) of CN101 one another. (Refer to A) - On the MCON ASSY, short the TEST MODE jumper wires W159(TEST) and W160(GNDD) each other. (Refer to Fig. 6-1.) - Apply the DC power voltage to the Pin-6(+5.6V), Pin-12 (-7V), and Pin-14(+7V) of respectively. (Refer to Fig. 6-2.)
7 How to cancel the test mode
To cancel the test mode, push the �POWER� button on the the tuner amp to turn off the power to the CT-R5.
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