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The manual was of good quality with high resolution schematic diagrams.
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The manual was very clear and contained all the information I was looking for. My dishwasher is working again because of this servicemanual!
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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!!!!
FIRMWARE RENEWAL MODE
1. Turn the power on and remove the disc on the tray. 2. To put the DVD player into version up mode, press [9], [8], [7], [6], and [SEARCH MODE] buttons on the remote control unit in that order. The tray will open automatically. Fig. a appears on the screen and Fig. b appears on the VFD.
"*******" differ depending on the models.
checksum in (*3) of Fig. e appears on the VFD. (Fig. f)
"*******" differ depending on the models.
F/W Version Up Mode
Model No : ******* VERSION : *.**
VERSION : E5****_****.ab5 Completed SUM : 7ABC (*3)
F/W Version Up Mode
Model No : ******* VERSION : *.**
Please insert a DISC for F/W Version Up.
Fig. e Completed Program Mode Screen
EXIT: POWER
Fig. a Version Up Mode Screen
Fig. f VFD upon Finishing the Programming Mode (Example)
Fig. b VFD in Version Up Mode
At this time, no buttons are available. 6. Remove the disc on the tray. 7. Unplug the AC cord from the AC outlet. Then plug it again. 8. Turn the power on by pressing the [POWER] button and the tray will close. 9. Press [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order. Fig. g appears on the screen.
"*******" differ depending on the models.
The DVD player can also enter the version up mode with the tray open. In this case, Fig. a will be shown on the screen while the tray is open. 3. Load the disc for version up. 4. The DVD player enters the F/W version up mode automatically. Fig. c appears on the screen and Fig. d appears on the VFD. If you enter the F/W for different models, �Disc Error� will appear on the screen, then the tray will open automatically.
"*******" differ depending on the models.
MODEL : ******* Version : *.** Region : *
F/W Version Up Mode
Model No : ******* VERSION : *.** VERSION : E5****_****.ab5 Reading...(*2)
EEPROM CLEAR : CLEAR
EXIT: POWER
Fig. g
10.Press [CLEAR] button on the remote control unit. Fig. h appears on the screen.
"*******" differ depending on the models.
Fig. c Programming Mode Screen
MODEL : ******* Version : *.** Region : * EEPROM CLEAR : OK
Fig. d VFD in Programming Mode (Example)
The appearance shown in (*2) of Fig. c is described as follows:
No. 1 2 3 Appearance Reading... Erasing... State Sending files into the memory Erasing previous version data
EEPROM CLEAR : CLEAR
EXIT: POWER
Fig. h
Programming... Writing new version data
5. After programming is finished, the tray opens automatically. Fig. e appears on the screen and the
When �OK� appears on the screen, the factory default will be set. Then the firmware renewal mode is complete. 11.To exit this mode, press [POWER] button.
1-11-1
E5931TEST
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