Shopping cart is empty
English Polski Spanish 
Search For a Manual

(e.g. AA-V20EG JVC, ZX-7 Sony )
PayPal 1000+ rating Secure, Encrypted Checkout.
Who's Online
There currently are 226 guests online.
Featured Product
Home >> SONY >> DE441/SR Service Manual
 0 item(s) in your cart 

Service Manual

Tweet about this product and get $1.00 of store credit for instant use!
  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SONY DE441/SR Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

Not yet ready
You must purchase it first

Customer Reviews
There are currently no product reviews.
Other Reviews
 CSC-950 CROWN Service Manual by Gabriel Popa;
Excellent service manual includes everything is need to repair this radio-caseete, how to disassemble, wiring diagram, all , waiting time until the download was only a few hours. I'm going to buy service manuals from here, are cheap and very good.Thank you.
 KDD20 JVC Service Manual by Gabriel Popa;
Good service manual,i saved from scrapping this deck,is now fully functional.Thanks.
 DEH-P2000/XQ/UC PIONEER Service Manual by Steve Kohler;
Found this to be the manual included with the original packinging, was helpfull but did not give any detailed repair instructions.
 KDD30 JVC Service Manual by Popa Iulian;
Complete service manual, was very helpful in repairing this tapedeck.Thanks.
 AVM930WH WHIRLPOOL Service Manual by Frans Godlewski;
The service manual was a copy of the original from Wirlpool. The quality was good, all neccecary information was available including the service-codenumbers, so I could order the right part to be replaced for repair. Downloding was no probem after the payment. Thanks for the service!

Text excerpt from page 7 (click to view)
Service Mode (service program) The equipment is provided with a service program built in the microcomputer, like conventional models. Service program operation methods are described in the following.
REPEAT/ENTER Tracking gain-up mode while pressing HOLD OFF n ON Be sure to turn OFF the HOLD switch (if ON, pressing each key is deactivated) PLAY MODE Tracking servo and sled servo are turned ON

• Step 3 (Resetting service mode ) 1. Be sure to disconnect the external power supply and remove the solder bridge at the TEST terminals connected in setting. 2. The set thus becomes available for normal operation.
– MAIN BOARD – (Side A)



= (FR) The optical pick-up is moved inwardly + (FF) The optical pick-up is moved outwardly

^ (PLAY/PAUSE) FOCUS is turned ON to effect pull in mode p (STOP) All servos are turned OFF

Fig. 3 Layout of each key
• Step 1 (Service mode setting method) 1. Turn OFF the HOLD switch the external power supply disconnected (power is not applied to the set). 2. Solder across the T802 (TEST) terminals (pin %™, IC801 (TEST) is grounded). 3. Connect an external power supply. Thus, the set is switched to the service mode. • Step 2 (Operation in the service mode ) 1. Once the service mode is effected, the LCD displays 5 indications each of which is repeatedly displayed. However, the following operations can be activated even if LCD indication is effected. 2. By pressing the + or = key, the optical pick-up movable inwardly or outwardly. However, if this is activated, tracking servo and sled servo are turned OFF, so it can be turned ON by pressing the PLAY MODE key, if required. 3. By pressing the REPEAT/ENTER key, the tracking gain-up mode becomes active. 4. By pressing the ^ key, focus is turned ON from focus searching while entering CLV-S (pull-in mode). Without disc, focus searching is repeated continuously. 5. By pressing the PLAY MODE key, tracking servo, sled servo and CLV-A (servo in PLAY) are turned ON. 6. When 4. and 5. are performed, playing begins. No muting is ON in the service mode. 7. By pressing the p key, all servos (focus tracking and sled) are turned OFF. However, the disc motor revolves for a while by inertia.
T802 (TEST) Normal mode : Open Test mode : Short

Fig. 4 Location of test terminal


You might also want to buy


Owner's Manual

Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
Parse Time: 0.131 - Number of Queries: 110 - Query Time: 0.026