Technics SL-PG390 [25/36] Sl pg390

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
• Precaution of laser diode p.2
• Handling precautions for traverse deck p.2
• Handling of traverse deck optical pickup p.2
• 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
• 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
• Sl pg390__ p.4
• 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
• H press play begins p.5
• Front panel controls p.5
• 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
• 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
• Mechanism control switches self diagnosis p.7
• Figure 3 p.7
• Display power switch p.7
• Table 3 p.7
• Sl pg390 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
• Main component replacement p.10
• Replacement for the traverse unit ass y p.10
• Procedures 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
• Ic701 an8805sbe1 p.14
• Cd signal line p.14
• Cd servo circuit p.14
• 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
• Sl pg390 p.15
• Si d iu p.15
• Ic401 upd78042a014 p.16
• Cd signal line p.16
• A 2 2 28 p.16
• 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
• Лалг p.17
• В main circuit p.17
• Sl pg390 p.17
• Muting p.17
• Loading motor circuit p.17
• Jk801 line out p.17
• Digital optical out p.17
• 6 r ch 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
• Terminal function of ic s p.23
• Sl pg390 p.23
• Ic401 upd78042a014 p.23
• Ic701 an8805sbe1 p.24
• Sl pg390 p.24
• Ic702 mn662713rg1 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
• German italian french p.33
• English p.33
• Dutch danish p.33
• 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

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SL PG390 IC702 Continued Pin No Terminal Name I O Pin No Terminal Name I O 37 TRCRS I Track cross signal input 73 OUTL 0 38 RFDET I RF detection signal input L detection 74 AVssl 39 BDO I Dropout signal input H Dropout 75 OUTR 0 40 LDON o Laser on signal output H ON 76 RSEL I 41 TES o 1 racking error shunt signal output H shunt No used open 77 CSEL I 42 PLAY 0 Play signal out H PLAY no used open HF signal polarity assignment input at H level RSEL H at L level RSEL L Crystal oscillating frequency designation input L 16 9344 MHz H 33 8688 MHz PSEL I Test input normally L WVEL 0 Double speed status signal output H Double speed no used open 78 43 44 ARF I RF signal input 79 MSEL I 45 IREF I Reference current input 80 SSEL I 46 DRF I DSL bias No used open 47 DSLF I O DSL loop filter 48 PLLF I O PLL loop filter 49 VCOF I O VCO loop filter No used open 50 AVDD2 I 51 AVss2 52 EFM Function Function Left channel audio signal output GND Right channel audio signal output Output frequency switching for SMCK terminal H SMCK 8 4672 MHz L SMCK 4 2336 MHz Output mode switching of SUBQ terminal H Q code buffer mode IC703 AN8389SE1 Pin No Terminal Name I O Power supply input for analog circuit 1 Vcc I Power supply GND for analog circuit 2 VREF I VREF input 0 EFM signal output No used open 3 IN4 I Motor driver 4 input 4 IN3 I Motor driver 3 input 5 GND Ground connection 6 NC Ground connection 7 RST I 8 GND 9 IN2 I Traverse motor driver 2 input 10 PC2 I PC2 power cut input No used open 11 IN1 I Spindle motor driver input 12 PC1 I Spindle motor ON signal output 13 PVcc1 I Power supply 1 for driver 14 PGND1 Ground connection 1 for driver 15 D1 o Spindle motor driver 1 reverse action output 16 D1 o Spindle motor driver 1 forward action output 17 D2 0 Traverse motor driver 2 reverse action output 18 D2 0 Traverse motor driver 2 forward action output 19 D3 0 Tracking actuator 3 reverse action output 20 D3 o Tracking actuator 3 forward action output 21 D4 0 Focus actuator 4 reverse action output Function 53 PCK o 54 PDO o PLL extraction clock output fPCK 4 321 MHz during normal playback No used GND connection Phase comparison signal of EFM and PCK signals No used GND connection 55 SUBC 0 Sub code serial data output No used open 56 SBCK I Clock input for sub code serial data 57 Vss 58 X1 I 59 X2 o Crystal oscillating circuit input f 16 9344 MHz Crystal oscillating circuit output f 16 9344 MHz 60 VDD I Power supply input for oscillating circuit 61 BYTCK 62 CLDCK o 63 FCLK 64 IPFLAG 0 Sub code frame clock signal output fCLDCK 7 35 kHz during normal playback Crystal frame clock signal output fFCLK 7 35 kHz double 14 7 kHz Interpolation flag output H Interpolation No used open 65 FLAG 0 Flag output No used open 66 CLVS o 67 CRC 0 68 DEMPH o 69 RESY o 70 RST2 I Reset input through MASH circuit L Reset 22 D4 o Focus actuator 4 forward action output 71 TEST 1 Test input L Test H normally 23 PGND2 Ground connection 2 for driver 72 AVDD1 1 Power supply input for analog circuit 24 PVcc2 I Power supply 2 for driver GND Reset input no used open Ground connection Byte clock output No used open Spindle servo phase synchronizing signal output H CLV L rough servo No used open Sub code CRC checked output H OK L NG no used open De emphasis ON signal output H ON No used open Frame resynchronizing signal output No used open 25