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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.
AV-25BT6ENS AV-25BT6ENB
MEMORY IC REPLACEMENT
1. Memory IC
This model use a memory IC. This memory IC stores data for proper operation of the video and deflection circuits. When replacing, be s ure to use an IC containing this (initial value) data. SERVICE MENU
2.
Memory IC replacement procedure
(1) Power off Switch off the power and disconnec t the power cord from the wall outlet. (2) Replace the memory IC Initial value must be entered into the new IC. (3) Power on Connect the power cord to the wall outlet and s witch on the power. (4) SERVICE MENU setting 1) Press MENU key and, while the displayed MENU screen, press 4, 7, 2, 5 key on the remote control unit or press MUTING key and INFORMATION key at the simultaneously. 2) The SERVICE MENU screen of Fig.1 is displayed. 3) Verify what to set in the SERVICE MENU, and set whatever is necessary (Fig.1). Refer to the SERVICE ADJUSTMENT for setting. 4) Press the STANDARD key to exit SERVICE MENU. (5) Receive channel setting Refer to the OPERATING INSTRUCTIONS (USER�S GUIDE) and s et the receive channels (Channels Preset) as described. (6) User settings Check the us er setting items acc ording to after page. Where these do not agree, refer to the OPERATING INSTRUCT IONS (USER�S GUIDE) and set the items as described.
MU TING POWER
Fig.1
SERVICE MENU SELECT KEY
NUMBER STANDARD INFORMATION ITEM SELECT(�) VALUE SELECT(�) FUNCT ION COLOUR key
MENU VALUE SELECT(�) ITEM SELECT(�)
Fig.2
8
No. 52056
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