Technics SL-PG390 [7/36] Mechanism control switches self diagnosis

Содержание

• G p gk 390 p.1
• Ep russia p.1
• Warning p.1
• Technics p.1
• Service manual p.1
• K black type p.1
• E europe eb britain eg germany p.1
• Colour p.1
• And italy p.1
• Grounding for electrostatic breakdown prevention p.2
• Contents p.2
• Caution p.2
• This product utilizes a laser use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure p.2
• Sl pg390 p.2
• Precaution of laser diode p.2
• Handling precautions for traverse deck p.2
• Handling of traverse deck optical pickup p.2
• To connect a digital amplifier p.3
• Sl pg390 p.3
• For united kingdom be sure to read the caution for the ac mains lead on page 4 before connecting p.3
• Connections p.3
• Accessories p.3
• Important p.4
• How to replace the fuse p.4
• For united kingdom p.4
• Caution for ac mains lead p.4
• Caution p.4
• Before use p.4
• Sl pg390__ p.4
• Sl pg390 p.5
• Sert a disc p.5
• Sequential play p.5
• Q press power power goes on p.5
• Q press open close to open the tray and in p.5
• Q press open close to close the tray p.5
• Main unit p.5
• H press play begins p.5
• Front panel controls p.5
• The self diagnostic feature automatically diagnoses the deck s mechanism and provides error information display it includes self diagnosis functions for the servo system and the mechanism control switches p.6
• Table 2 p.6
• Table 1 6 p.6
• Sl pg390 p.6
• Servo system self diagnosis p.6
• Self diagnostic function p.6
• Table 3 p.7
• Sl pg390 p.7
• Mechanism control switches self diagnosis p.7
• Figure 3 p.7
• Display power switch p.7
• This section describes procedures for checking the operation of the major printed circuit p.8
• Special reassembly procedures are described only when required p.8
• Sl pg390 p.8
• Select items from the following index when checks or replacement are required p.8
• Refer the parts no on the page of main component replacement procedures if necessary p.8
• Operation checks and main component replacement procedures p.8
• For reassembly after operation checks or replacement reverse the respective procedures p.8
• Contents p.8
• Checking procedures for each p c b p.8
• Checking for the operation p c b and main p c b p.8
• Boards and replacing the main components p.8
• Sl pg390 p.9
• Checking for the cd servo p c b p.9
• Sl pg390 p.10
• Replacement for the traverse unit ass y p.10
• Procedures p.10
• Main component replacement p.10
• Sl pg390 p.11
• Sl pg390 p.12
• Replacement for the loading belt and p.12
• Loading motor p.12
• Slpg390 p.13
• Schematic diagram p.13
• Q power switch circuit q operation circuit p.13
• Q loading motor circuit p.13
• Q cd servo circuit p.13
• Main circuit p.13
• Terminal guideion page 24 p.14
• Terminal guide on page 25 c p.14
• Sl pg390 p.14
• Q752 2sc1740sqsta p.14
• Q751 2sa933sqrsta p.14
• Positive voltage line p.14
• P c boardion page 20 p.14
• Optical pickup p.14
• Negative voltage line p.14
• Ic703 an8389se1 p.14
• Ic701 an8805sbe1 p.14
• Cd signal line p.14
• Cd servo circuit p.14
• Sl pg390 p.15
• Si d iu p.15
• 1 í 1 1 1 i 1 1 í í i 1 p.16
• Terminal guide on page 23 p.16
• Q51 52 2sc1740sqsta p.16
• Positive voltage line p.16
• P c board on page 21 p.16
• P c board on page 20 p.16
• Negative voltage line p.16
• N n n w w n n n n oj p.16
• Ic651 rcd12042th p.16
• Ic401 upd78042a014 p.16
• Cd signal line p.16
• A 2 2 28 p.16
• Muting p.17
• Loading motor circuit p.17
• Jk801 line out p.17
• Digital optical out p.17
• 6 r ch p.17
• Лалг p.17
• В main circuit p.17
• Sl pg390 p.17
• Sl pg390 p.18
• Power supply circuit p.18
• Operation circuit p.18
• I optical pickupunit servo circuit p.18
• Block diagram p.18
• Sl pg390 p.20
• Printed circuit board diagram p.20
• Sl pg390 p.21
• Q operation p c b p.21
• Main p c b p.21
• Wiring connection diagram p.22
• Sl pg390 p.22
• Ic401 upd78042a014 p.23
• Terminal function of ic s p.23
• Sl pg390 p.23
• Sl pg390 p.24
• Ic702 mn662713rg1 p.24
• Ic701 an8805sbe1 p.24
• Sl pg390 p.25
• Ic703 an8389se1 p.25
• Ic702 continued p.25
• Troubleshooting guide p.26
• Cabinet parts location p.28
• Sl pg390 p.30
• Loading unit parts location p.30
• Packaging p.31
• Sl pg390 p.32
• Replacement parts list p.32
• Ref no part no part name description pc remarks ref no part no part name description pc remarks p.32
• Spanish swedish russian p.33
• Sl pg390 p.33
• Printed in germany mbv f9803 am kh p.33
• Marks in remarks p.33
• Indicate language of instruction manual p.33
• German italian french p.33
• English p.33
• Dutch danish p.33

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SL PG390 2 Mechanism Control Switches Self Diagnosis Power Switch Display Figure 3 Error Code F15 H15 H16 F26 Symptom Possible Cause Interval before CD starts playing is too Pickup home position sense switch is long defective Disc tray closes immediately after it Open disc tray sense switch S781 is opened is defective Disc tray opens immediately after it Closed disc tray sense switch S782 is closed is defective The display shows error code F26 after the deck is turned on The CD does not play Communication error between CD servo IC and CPU Note Error code F26 will be displayed before Self Diagnostic mode is entered if an error exists Table 3 To exit Self Diagnostic mode turn the deck off 7