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OEM manual provided all schematics, board layouts and component specs necessary to facilitate unit maintenance. All pages were clear and readable.
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Good condition and quality. Hard to find anywhere in Internet, only on this site.
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Exactly what I needed to be able to bring the amp back to life... will come back to this site the next time I need schematics.
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Information was accurate and very helpful.
However the continuity made it a little difficult to follow from one page to the next.
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Very very good as usual very trustable site. Perfect!!!!!!
RGB Decoder FO Adjustment Procedure: Hong Kong model: 1. Without INPUT1, INPUT2 inputs (no signal input mode), short the jumper wire between TP100 and GND. 2. Connect a frequency counter to TP61. 3. Adjust VR6 so that reading on frequency counter is 4.433619 MHz ± 10 Hz. 4. Short the jumper wire between TP106 and GND. 5. Connect a frequency counter to TP61. 6. Confirm that reading on frequency counter is 3.579545 MHz ± 100 Hz. 7. After this adjustment, remove the jumper wires. US model: 1. Without INPUT1, INPUT2 inputs (no signal input mode), short the jumper wire between TP100 and GND. 2. Connect a frequency counter to TP61. 3. Adjust VR6 so that reading on frequency counter is 3.579545 MHz ± 100 Hz. 4. After this adjustment, remove the jumper wires. RGB Decoder Input Level Adjustment Procedure: 1. Input signal : PAL EBU color bar (INPUT 1 VIDEO) 2. Adjust VR4 so that the white peak 1 (100% white) of TP111 (B OUT) is at 1.0 Vp-p.
SYNC
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TP111 white blue
DL AMP & DAT Adjustment (Hong Kong model) Procedure: 1. Adjust DAT so as to minimize the variation between the level 2 and the level 3 of TP111. 2. Adjust VR5 so that the blue level 4 is at 1.0 Vp-p. 3. Set the input to NTSC, and confirm that the blue level 4 is at 1.0 ± 0.1 Vp-p.
SYNC
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TP111 white blue
� 13 �
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