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This is a very good quality print (scan) of the original SONY service manual. The original from Sony is on very thin paper. Nevertheless it is very clear and sharp and excellent readable. I'm very satisfied to have now this rare document. I've looking for it many years (infrequent). It contains very detailed circuit diagrams, exploded views, part lists, PCB view with good readable connection lines. Very recommended.
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A complete manual with all the needed details of calibrations and service instructions about the radio receiver.
A big deal.
Many thanks !
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Fast delivery and good quality copy. To be recommended
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Excellent product, very clear print. Detailed circuit and assembly diagrams - this enabled me to repair my CD player with confidence. I highly recommend this site.
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Fast access, 100% correct and complete service manual
DV-502/503/DVF-3050/3550
CONTENTS / ACCESSORIES / CAUTIONS
Contents
CONTENTS / ACCESSORIES / CAUTIONS............. 2 DISASSEMBLY FOR REPAIR....................................3 BLOCK DIAGRAM ......................................................4 CIRCUIT DESCRIPTION ............................................5 WIRING DIAGRAM ...................................................10 PC BOARD .............................................................. 11 SCHEMATIC DIAGRAM .......................................... 15 EXPLODED VIEW ....................................................21 PARTS LIST..............................................................22 SPECIFICATIONS ......................................Back cover
Attention Please contact our KENWOOD Service Department in your side if you want the service information; Circuit Description. Full Described Parts list and so. Information is available to you by internet from us.
Accessories
Cord RCA 1p (E30-7235-08) Cord RCA 3p (E30-2990-08) *AC plug adaptor (1) (E03-0115-05) * Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.)
Batteries (R03/AAA) (2)
Remote control unit (1) (A70-1532-08)
Cautions
Note related to transportation and movement
Before transporting or moving this unit, carry out the following operations. 1. Set the POWER key to ON without loading a disc. 2. Wait a few seconds and verify that the display shown appears. 3. Set the POWER key to OFF.
Beware of condensation
When the difference between the internal temperature of the unit and external atmosphere is large, dew (mist) may be produced on the internal parts of the unit. In such a case, turn the unit ON and leave it for a few hours until the condensation has dried up.
Be especially careful in the following conditions:
When the unit is brought into a place where there is a large difference in temperature between the previous location, when the humidity of the listening room is high, etc.
Operation to reset
The microprocessor may fall into malfunction (impossibility to operate erroneous display, etc.) when the power cord is unplugged while power is ON or due to an external factor. In this case, execute the following procedure to reset the microprocessor and return it to normal condition.
1 In POWER ON condition, keep the 7 (STOP) key and the ¡ (Search) key pressed at the same time. 2 When both keys are pressed, the region code of the unit, the software version, etc. will be displayed on the display. (When nothing is done, the display of this information continues.) Example: 71 . 101 . 06:14 3 Press the ON/OFF key to go to Power OFF. 4 When Power ON is performed with the ON/OFF key, the settings become the default factory settings. ¶ Please note that resetting the microprocessor clears the contents stored in, it returns the microprocessor to the condition when it left the factory.
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