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Technics SL-PS670D Service Manual
Technics SL-PS670D Service Manual

Technics SL-PS670D Service Manual

Compact disc player
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Service
DIGITAL
MASH
DIGITAL
AUDIO
•tag.
Please file and use this manual together with the service manual
for Model No. SL-PS670A (E, EB. EG). Order No. MB9410050C2.
Note:
This service manual is provided to indicate the differences
between the original model No. SL-PS670A (E, EB, EG) and the
subsequent model No. SL-PS670D (E, EB, EG).
RAEI
1OOZ MECHANISM
Specifications
E Audio
No. of channels
Frequency
response
Output voltage
Dynamic
range
SIN
Harmonic
distortion
Total
harmonic
distortion
Wow
and
flutter
DA converter
Output impedance
Load impedance
Headphone output levet
Pickup
Wavelength
Laser
Power
This serviceinformation is designedfor experienced repairtechnicians onlyandis not designed for useby thegeneralpublic. It
doesnot containwarningsor cautionsto advisenon-technical individuals of potential d angersin attempting to servicea product.
Productspoweredby electricityshouldbe servicedor repairedonlyby experienced professional t echnicians. Any attemptto
serviceor repairtheproductor products dealtwithin thisserviceinformation byanyoneelsecouldresultin seriousinjuryor death.
TechnicS
Compact Disc Player
SERIES
2 (left and right, stereo)
2 - 20,000 Hz,
0.5 dB
98 dB
107 dB
0.002% (1 kHz. O dB)
0.0027% (1 kHz, O dB)
Below
measurable
MASH (1 bit)
600 Q
More
than
10 kQ
15 mw max. 32 Q (adjustable)
780
No hazardous
radiation
is emitted
(with safety protection)
Manual
General
Power consumption
Power supply
Dimensions (W x H x D)
Weight
Note:
Specifications are subject to change without notice.
Weight and dimensions are approximate.
limit
For United Kingdom only:
This apparatus was produced to BS 800.
nm
• MASH is a trademark
A WARNING
@ 1997 Matsushita ElectricIndustrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.
ORDER
NO. MB9704076A2
Compact Disc Player
SL-PS670D
Colour (K)...Black Type
Areas
E.
. ..Europe.
EB...
Great
Britain.
Germany and Italy.
EG...
AC 50 Hz, 230 - 240 V
of NTT.
14W
mm
4.0 kg

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Summary of Contents for Technics SL-PS670D

  • Page 1 Model No. SL-PS670A (E, EB. EG). Order No. MB9410050C2. Note: This service manual is provided to indicate the differences between the original model No. SL-PS670A (E, EB, EG) and the subsequent model No. SL-PS670D (E, EB, EG). RAEI 1OOZ MECHANISM SERIES...
  • Page 2 SL-PS670D Schematic Diagram • Power Switch / Loading Motor / Operation / Power Supply / Headphones Jack / Main Circuit (SL-PS670A Service Manual of pages 19 22.) E MAINCIRCUIT MAIN CIRCUIT (ref. pages19 —20 of SL-PS670A service manual.) (ref. pages19 —20 of SL-PS670A service manual.) +..4...1..—...-...
  • Page 3 SL-PS670D Printed Circuit Board Diagram (SL-PS670A Service M anual of pages 2 3 25.) (ref. pages 23 24 of SL-PS670A service manual.) MAIN P.C.B. Addition Deletion Addition EC,E: Addition— (REP2496A—M) (L chi DIGITAL...
  • Page 4 Remarks columns parts that are supplied by MESA. • [MBI indicates in Remarks columns parts that are supplied by MBV. Part Number Ref. Part Name & Description Remarks SL-PS670A (E, EB, EG) SL-PS670D (E, EB, EG) INTEGRATED CIRCUIT (S) IC801 MN6474E MN6474 I.C. NJM4580EDTE1 IC802 LM833M63 I.C.
  • Page 5 SL-PS670D Part Number Ref. Part Name & Description Remarks SL-PS670A (E, EB, EG) SL-PS670D (E, EB, EG) LOADING UNIT PARTS RAEI 1 ooz-l 1 ooz-2 TRAVERSE UNIT [MBI RML0178-1 RML0352 LOCK LEVER ACCESSORIES RQT3857-E INSTRUCITON MANUAL RFKSLPS770AE RQT3995-R INSTRUCITON MANUAL...
  • Page 6 Productspoweredby electricityshouldbe servicedor repairedonlyby experienced professional t echnicians. A ny attemptto serviceor repairthe productor productsdealtwithin this serviceinformation by anyoneelsecouldresultinseriousinjuryor death. 0 1994 Matsushita Electric Industrial Co.. Ltd. Technics All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 7 SL-PS670A Contents Page Page • Schematic Diagram • Handling Precautions for Traverse Deck • 23ev25 • Printed Circuit Board Diagram • Precaution of Laser Diode......• Wiring Connection Diagram . • Accessories • Troubleshooting Guide ......... 27, 2B • Connections •...
  • Page 8 SL-PS670A CLASS I LASERPRODUCT "MSIBLE LASER RADIATK)N WIN. DANGER AVOO DIRECT EXPOSURE ro BEAU. AWARSEL srün suzut.xms VARO' urso tl-L IR LUOKAN 1 LASERLAITE VARNING U srüfx. KLASS 1 LASER APPARAT ÅDVERSEL urns. Accessories AC mains 1 pc. Remote control..... I pc.
  • Page 9 SL-PS670A •Caution for AC Mains Lead (For United Kingdom) wire which is coloured BROWN must be con- ("EB" area code model only) nected to the terminal which is marked with the letter L For your safety, please read the following text care- or coloured RED.
  • Page 10 SL-PS670A Location of Controls ÖÖÖÖÖö 18 19 Name Name @ CDedit record buttons (EDITGUIDE) O Power"STANDBYd)/0N" switch (POWER,STANDBYd)/0N) .Tape length button (TAPE LENGTH) Press to switch the unit from on to standby mode or vice versa. In standby mode, the unit is still consuming a small amount of •Tape side select button (SIDE A/B) power.
  • Page 11 SL-PS670A Basic Operating Procedure b ööåå Press POWER (Power goes To stop the disc play: POWER Press on). STAND To temporarily stop the disc play: Press •This indicates that a CD has not been installed. •If a CD is already in the disc tray. it automatically begins playing from the first track.
  • Page 12 SL-PS670A Operation Check and Main Component Replacement Procedures Warning: This product uses a laser diode. Referto caution statementson page2. ACHTUNG: Die Lasereinheit nicht zerlegen. Die Lasereinheit darf nur gegen eine vom Hersteller spezifizierte Einheit ausgetauscht werden. "ATTENTION SERVICER" Some chassis components may have sharp edges. Be careful when disassembling and servicing. NOTE 1.
  • Page 13 SL-PS670A Step I O Step 1 1 Step 9 Remove the front panel ass'y Step 8 Step 14 Remove the main P.C.B. and then align it with the rib of bottom chassis. step 15 Reinstall the operation P.C.B. to the main P.C.B.
  • Page 14 SL-PS670A 2. Checking for the servo P.C.B. Step 2 Step I Step 3 Remove the cabinet Step 7 Remove ornament Step 4 Step 6 Push the change lever Claws Step 5 Pull out the tray Step-I O Step II Lift up the loading unit [RHD30035-K] (Black) Step 12 Remove...
  • Page 15 SL-PS670A Main Component Replacement Procedures 1. Replacement for the traverse unit ass'y [XTB3+8JFZ] (Black) Follow of item 2 in checking procedure Step 1 Step 11 for each P.C.B. on page 9. Step 2 [XTBS26+8J] Step 3 Remove the clamp base ass'y. Step 1 Remove the connector...
  • Page 16 SL-PS670A Slide plate (1) Step 12 Remove the spring. Slide Dlate (1) Claw (A Note Step 13 Push the claw (A) in the direction of arrow O, and then move Be careful not to damage the claw (A) the slide plate (1) in the direction of arrow because the claw (A) is breakable.
  • Page 17 SL-PS670A Installation of the disc tray after replacement Step I Step 2 Slide the change lever, and then leave the Slide drive rack fully in the direction traverse unit ass'y falling. of arrow. Traverse unit ass'y Change lever Disc tray Step 3 Align the disc tray grove with the mechanism chassis rib.
  • Page 18 SL-PS670A SL-PS670A Block Diagram 0110 0 2. Replacement for the loading belt and loading motor [XYN2+F6FZ] Note: AUDIO SIGNAL • Follow Step 1 Step I I of item 2 in checking procedure OPTICAL PICKUP UNIT for each P.C.B. on page 9. •...
  • Page 19 SL-PS670A SL-PS670A SL-PS670A Block Diagram Note: AUDIO SIGNAL OPTICAL PICKUP UNIT MAIN CIRCUIT A+C'B+O/E/F BA 4560FE1 DIGITAL FILTER ICB91 DIFFEREN CONV.(MASH) TBAL MN6627i 3RG1 T BAL S ROATA SRDATA L ch IC702 FOAL FBAL AN880SSBEi SERVO PROCESSOR 'DIGITAL FEOUT LRCK SERVO TEOuT SIGNAL...
  • Page 20 SL-PS670A SL-PS670A SL-PS670A Schematic Diagram O Optical Pickup/Servo circuit (Parts listonPages 34—37) CIRCUIT • This schor Notes: •68P S601 . S602 os»s. 02"/otvNx. S603 S604 IC701 TJ702 AN8805SBEl . S605 SERVO • S606 IKHz,OdB . S607 TP22 • S608 • S609 •...
  • Page 21 SL-PS670A SL-PS670A • This schematic diagram may be modified at any time with the development of new technology. Notes: • S601 : Numeric (B) switch S602 . Numeric (3) switch I. OSV/DIV S603 : Recall switch (RECALL) . S604 : F. Skip switch S605 •...
  • Page 22 SL-PS670A SL-PS670A o Power Switch / Loading Motor / Operation / Power Supply / Headphones Jack / Main circuit (Parts list on Pages 34—37) REMOTE SENSOR LOADING MOTOR CIRCUIT 'POWER SWITCH CIRCUIT MAIN CIRCUIT R303 R304 IC781 CN401 REST TA7291SA IC651 vCOF MO TOR...
  • Page 23 SL-PS670A SL-PS670A POWER SU PPLY CIRCUIT R 54 AD19 Oil, M A4330MTA VIOO 2SD2037EFTA REGULATOR CNII CN21 Q 52 .7KC åQ23 R 24 AD 18 rovts,svj A1 Cll 051, LM2940T5M R 25 2SB1238QSTV6 2SC1740SQSTA REGULATOR REGULATOR - 240V RESET 50.'60Ht AD12 -24v R 27...
  • Page 24 SL-PS670A SL-PS670A Printed Circuit Board Diagram • This circuit board diagram may be modified at any time with the development of new technology. POWER MAIN P.C.B. (REP2011A-M) SERVO P.C.B. (REP1755A-N) (REP200 CN4t1 c703 CN21 DIGITAL (OPTICAL CN412 TJ702 CVREF) 0803 (Rch) 086 t •...
  • Page 25 SL-PS670A SL-PS670A Wiring Connection Diagram HEADPHONES NOTES: JACK P.C.B. . Black Pink . Blue . Red Brown . Shield Wire POWER SUPPLY P.C.B. Gray VLT..Violet (R EP2009A—p) . Green White CN21 (230V—240V 5060Hz) L.BLIJ... Light Blue YEI-.. Yellow Orange Power ransformer POWER...
  • Page 26 Troublesho oting Guide SL-PS670A SL-PS670A No CD playback Does thetestdisc rotate? Remove the test disc TOC reading is Turn on close detect switch ( S782) performed Does Does LAY" appear on NO access Check optical pickup NO output atofTJ701 e displa move? Optical Pickup...
  • Page 27 SL-PS670A SL-PS670A Automatic Adjustment Results Display Function Function of IC Terminals (Self-Check Function) • IC401 (UPD78042A014) This unit has a function that uses the FL display board to indicate the results of automatic adjustment of the Terminal Terminal Function Function servo-circuit (tracking, focus, offset, etc.) as error codes.
  • Page 28 SL-PS670A SL-PS670A IC702 Continued IC702(MN662713RG1) IC701 (AN8805SBE1) Terminal Terminal Terminal Terminal Function Function Function Function Name Name Name Name Spindle servo phase synchronizing Focus error signal input (analog input) Bt clock output for serial data APC amplifier input BCLK sgnai output CLVS Tracking error signal input LR identification signal output...
  • Page 29 SL-PS670A SL-PS670A Replacement Parts List • IC801 (MN6474E) Notes: •Important safety notice: Terminal Terminal Components identified by B mark have special characteristics important for safety. Function Function Furthermore. special parts which have purposes offire•retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used. Name Name When replacing any of components.
  • Page 30 SL-PS670A Part Nae & Description Renarks Part Ntæ & Descriptim Rema Ref. Na Part b. Ref. part SOCKET(23P) ßCILLATOR(16. CN702 RJSIA6723-1Q FSY116M9M01T CONNECTOR(6P) OSCILLATOR(33. Olflz) CN703 X801 PLUG(6P) CN781 RJP6G177A SOCffT(7P) CN871 RJS2A2107T DISPLAY TUBE SOCKET(7P) ChB] RJS2A2107T CN891 DISPLAY TUBE F1601 BL0188-F FARTH PLATE...
  • Page 31 SL-PS670A • Capacity values are in aicrofarads (uF) unless specified otherwise. (pF) F=Farads (F) Notes • Resistance values are in ors, unless specified othervise, IK=I, OOO(OIIM) , IM=I, Values & Renrk Values & Reurl•s Ref. Na Part b. Values & Ref.
  • Page 32 SL-PS670A SL-PS670A Cabinet Parts Location fuf. k). Part Values & Renarl•s Part b. part & Renaris ECLAICKAIOOI C751 C752 ECFRIE104ZF5 0. IU CABINET PARIS C765 ECBTIH331KB5 330P C766 ECBTIH391KB5 3901) M00152-K CABINET ECEAIHNIOI FRONTPANEL RYP0546Z-K C768 ECFRIE682KR 6800P fGU1145B-K WMN WITON C769 ECBTIC222MR5 161/...
  • Page 33 SL-PS670A SL-PS670A SL-PS670A Cabinet Parts Location Rema ris CN21 JK301 JK801 CNI I CN411 CN401 CN402 CN412 GND871 CN891 JK871 CN611ø CN612 -39-...
  • Page 34 SL-PS670A SL-PS670A Loading Unit Parts Location Part Naue& Descriptim Ref.Ncx Part Name& Description Ref. Part Part Remarks Note: When changing mechanism parts, apply the specified grease to areas marked "xx" LOADINGUNIT PARTS GREASE OR JIGAOOI, as shown in the drawing. RCA)130-K RFIO(EM30L GREASE...