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Even if the PDF is a scan, I can read the information I need.
The price is affordable and the service (mail sending) is very fast.
Thanks ! Regards. William (Fan of Kenwood)
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Very good quality original datasheet!I like this amazing website!!!!!!
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Excellent just what I needed to replace the electrolytic caps and make this old gem a beauty again. Was as scan of the original photocopied service manual.
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It was helpful to get schematic with waveforms in important points and lot of service information. Manual is good quality, fast delivered. Of course it is hardcopy of paper one with all its disadvantages.
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I want to give you a real heads-up for your desire to enable such people as I to acquire the information I need to maintain the older types of equipment such as this Akai HXA351W. You do a swell job with all the processes you have to perform so I can have a legible, thus usable
document which does not send me crazy trying to figure out the blurry text of a bad copy.
Very well done, Thomas.
TC-S3
2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak.
Note: Use following buttons in the test mode. no mark : Button of Tape unit (TC-S3) *1 : Button of amplifier unit (TA-S7AV or TA-S3) *2 : Button of CD unit (CDP-S3)
Tape Speed Adjustment
L-CH peak Output level within 1dB within 1dB
DECK B
Note: Start the Tape Speed adjustment as below after setting to the test mode. In the test mode, the tape speed is high during pressing the [HI-DUB] button.
Screw position
R-CH peak L-CH peak R-CH peak
Screw position
Procedure: 1. Turn the power switch on. 2. While pressing the both [PLAY MODE]*2 and [x]*2 buttons, press the [DISC 3]*2 button. (The �GROOVE� on the fluorescent indicator tube display while in the test mode.) To exit from the test mode, press the ?/1 *1 button. Mode: Playback
test tape WS-48B (3 kHz, 0 dB) set STS3/S5/SV7
3. Mode: Playback
test tape P-4-A100 (10 kHz, �10 dB) L-CH set R-CH MD OUT jack (J601) waveform of oscilloscope
STS3/S5/SV7
oscilloscope
frequency counter
+ �
+ �
MD OUT jack (J601)
in phase 45 ° good
90 ° 135 ° 180 ° wrong
4. After the adjustments, apply suitable locking compound to the pats adjusted. Adjustment Location: Playback Head (Deck A). Record/Playback/Erase Head (Deck B).
1. Insert the WS-48B into the deck B. 2. Press the N button on the deck B. 3. Press the [HI-DUB] button in playback mode. Then at HIGH speed mode. 4. Adjust RV1001 on the LEAF SW board so that frequency counter reads 6,000 ± 30 Hz. 5. Press the [HI-DUB] button. Then back to NORMAL speed mode. 6. Adjust RV1002 on the LEAF SW board so that frequency counter reads 3,000 ± 15 Hz. Adjustment Location: LEAF SW board Playback level Adjustment Procedure: Mode: Playback
test tape P-4-L300J (315 Hz, 0 dB) set STS3/S5/SV7
DECK A
DECK B
forward
level meter
+ �
MD OUT jack (J601)
reverse
1. Confirm that level difference between the channels is with ± 0.5 dB. 2. After check, adjust the following RVs. Deck A is RV302 (L-CH), Deck B is RV303 (L-CH) so that adjustment within adjustment level as follows. Adjustment Level: MD OUT jack (J601) PB level: 334.4 to 748.7 mV (�6.8 ± 0.5 dB) Adjustment Location: MAIN board Sample Volue of Wow and Flutter: 0.3% or less W. RMS (WS-48B)
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