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High quality scan of original Service Manual. Everything´s fine!
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Good scan of the original service manual. All schematics and adjustment procedures are there. It helped me to fix a long lasting problem with the tracking circuitry. The manual also includes the supplementals 1,2 and 3. Included are; electrical schematic's , pcb layout's, mechanical drawing's and exploded views, disassembly manual and maintenance procedures. 236 pages.
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The Service Manual received was helpful. The electronic information is exactly what I needed.
I recomend all of my friends about this technical page.
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High quality scan of service manual. I am satisfied!
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Excellent copies.
I will use "Owner Manual" again a second time.
SECTION 5 ELECTRICAL ADJUSTMENTS
Precaution � Supplied voltage: 2.5 V � Switch and control position VOR switch (S104): OFF PAUSE switch (S105): OFF VOL (RV101): mechanical mid SPEED CONTROL (RV602): mechanical center Test Tape
Type P-4-A063 WS-48A Signal 6.3 kHz, �10 dB 3 kHz, 0 dB Used for head azimuth adjustment tape speed adjustment
Tape Speed Adjustment Procedure: Mode: playback
Standard tape for adjusting WS-48A (3 kHz, 0 dB) 10 k � set EAR jack
+ �
frequency counter
1. Play back WS-48A (tape end part) and adjust RV601 so that the frequency counter reading becomes 3,000 ± 15 Hz. 2. Play back WS-48A tape the beginning and the end part, check that the frequency counter reading is within same standard of step1. Adjustment Location:
0 dB=0.775 V Record/Playback Head Azimuth Adjustment Procedure: Mode: playback
test tape P-4-A063 (6.3 kHz, �10 dB) 10 k � set EAR jack
+ �
level meter
[MAIN BOARD] (Conductor side)
1. Turn the adjustment screw to obtain the maximum reading on level meter.
Note: Several peaks may appear, but take the maximum.
IC101
2. After the adjustment, lock the adjustment screw with suitable locking compound. Adjustment Location:
RV601
adjustment screw
�8�
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