It's great to be able to obtain a precious technical information for a real old equipment. The one I got helps me a lot in the area of wiring diagram to repair my antique. PDF gave me clear enough information to find out thr details. Thanks for giving me the oppotunity to be able to access to almost vanished informations.
Good quality for the scan, complete, but as usual for Tascam, not so comprehensive !
Text excerpt from page 22 (click to view)
AV-20D202
Item SUB BRIGHT Adjustment
Measuring instruments
Test point
Adjustment part No.1 BRIGHT
Description 1. Receive a broadcast. 2. Select No.1 BRIGHT of the PICTURE MODE. 3. Set the initial setting value of the No.1 BRIGHT with the LEFT / RIGHT key of the MENU. 4. If the brightness is not best with the initial setting value, make fine adjustment of the No.1 BRIGHT until you get the optimum brightness.
SUB CONTRAST Adjustment
No.2 PICTURE
1. Receive a broadcast. 2. Select No.2 PICTURE of the PICTURE MODE. 3. Set the initial setting value of the No.2 PICTURE with the LEFT / RIGHT key of the MENU. 4. If the contrast is not best with the initial setting value, make fine adjustment of the No.2 PICTURE until you get the optimum contrast.
SUB COLOR Signal adjustment generator Oscilloscope Remote control unit
TP-R TP-E(#) # [CRT SOCKET PWB]
No.3 COLOR
[ Method of adjustment without measuring instrument ]
1. Receive a broadcast. 2. Select �No.3 COLOR� of the PICTURE MODE. 3. Set the initial setting value of the �No.3 COLOR� with the LEFT/RIGHT key of the MENU. 4. If the color is not the best with the Initial setting value, make fine adjustment of the �No.3 COLOR� until you get the optimum color.
[ Method of adjustment using measuring instrument ]
1. Input the full field color bar signal (75% white). 2. Select �No.3 COLOR� to the PICTURE MODE. 3. Set the initial setting value of the �No.3. COLOR� with the LEFT/RIGHT key of the MENU. 4. Connect the oscilloscope between TP-R and TP-E. 5. Adjust COLOR and bring the value of (A) in the illustration to the
