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Quality scan, great manual. I solved my problem with this manual.
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The AKAI 1720 model reel to reel tape recorder described in this Manual is quite an old unit - circa late 1960's. As a consequence, the description of the mechanical details - and adjustments thereof - is quite critical. The manual does this quite well. The schematics are also well presented and have detailed PCB overlays. Probably the only negative is that some half-tone detail has been lost from the original manual as it has been scanned in simple B&W.
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Perfect source for service manuals: fast and professional transaction; high quality, perfect readable and largely scaleable PDF; complete schemes, diagrams and spare part list. Tnx a lot, cu again!!!!
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I got your link from a friend and I must say that I am really satisfied with your service. Specially this B&O manual I didn't find anywhere on the web... but you could deliver it :-) . You deliver very fast and the copy is of good quality. So your webpage is bookmarked. Thanks
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This was the Sony CCU-500A Service manual I was looking for.
The price was reasonable.
The permission to download was quck.
I will use Owner-Manual.com for all my manual needs.
ADJUSTMENT -1/1
MAIN C.B
IFT1 1
Test point 1 531 4 Test point 2 42 R8
IC1 16pin L1 L3 TC2 L10
3
5
3
1. AM IF Adjustment Testpoint: IC1 (TA2104AN) 16PIN Adjustment location: IFT1 IFT1 ......................................................................... 450kHz 2. AM Frequency Range Adjustment Testpoint: R8 Set the frequency to be 530kHz and observe the test point voltage. It should be 0.9~1.2V. Change the frequency to be 1710kHz and observe the test point voltage. It should be less than 7 V. 3. AM Tracking Adjustment Testpoint: IC1 (TA2104AN )16PIN Adjustmentlocation:L10, TC2 L10........................................................................... 600kHz TC2 ........................................................................ 1400kHz
4. FM Frequency Range Adjustment Testpoint: R8 Adjustment location: L3 Setthe frequency to be 87.5 MHz then test the voltage. Adjust L3 so that test point voltage is 1.5 ± 0.05 V. Change the frequency to be 108 MHzand observe the test point voltage. It should be less than 4 V. 5. FM Tracking Adjustment Testpoint: IC1 (TA2104AN) 16PIN Adjustmentlocation: L1 L1............................................................................. 88MHz
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