Magnavox 20MT1331-37R Manual de servicio

ORDER NO. PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, JapanPIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 9

DEH-P6950IB/XN/ES1012341234CDFABE 2.3 CD MECHANISM MODULE

DEH-P6950IB/XN/ES1156785678CDFABE CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. 1 CD Core Unit(S10.5COMP2) CWX3514 2 Conn

DEH-P6950IB/XN/ES1212341234CDFABE 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAMASENBO85MUTE3876980282779SYSTEMCONTROLLERIC 601(2/2)PEG274

DEH-P6950IB/XN/ES1356785678CDFABE101BSENSASENSVDDB.UP727338Front_L39Rear_L85UTEIL+BSW+5V232135FL-FL+RL-RL+ACCIN3_L38IN4+_L7IN4-_L6IN2_L9FLin14RLin122

DEH-P6950IB/XN/ES1412341234CDFABE 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)A-aA DA-aA-a A-b A-aA-b A-b A-a Large sizeSCH diagramGuid

DEH-P6950IB/XN/ES1556785678CDFABEA-bAA-a A-b A-aA-b A-b A-a 3A600uHSUB WOOFERR CHSUB WOOFERL CHFRONTL CHFRONTR CHREARL CHREARR CHATUNE

DEH-P6950IB/XN/ES1612341234CDFABEA-a A-bA-b12343A600uHSUB WOOFERR CHSUB WOOFERL CHFRONTL CHFRONTR CHREARL CHREARR CHATUNER AMP UNIT>>CEK120810A

DEH-P6950IB/XN/ES1756785678CDFABEA-a A-bA-b465 78>CEK120810AFM,AM:21.1 dBsIPBUS:36.3 dBsCD:36.7 dBsAUX1/IPOD:35.3 dBs

DEH-P6950IB/XN/ES1812341234CDFABEA-bA-aA-aA-b1234FM/AM TUNER UNITFM,AM(22.5 kHz,30 %) : -24 dBsAUX1/IPOD : 2.2 dBsIPBUS:2.2 dBs

DEH-P6950IB/XN/ES1956785678CDFABEA-aA-bA-bA-aD465 78For resistors and capacitors in the circuit diagrams, their resistance values orcapacitance value

DEH-P6950IB/XN/ES212341234CDFABE SAFETY INFORMATIONCAUTIONThis service manual is intended for qualified service technicians; it is not meant for the

DEH-P6950IB/XN/ES2012341234CDFABE 3.3 KEYBOARD UNITBDCN1951MULTI-CONTROL

DEH-P6950IB/XN/ES2156785678CDFABEBPD8168ABKEYBOARD UNITOEL UNIT

DEH-P6950IB/XN/ES2212341234CDFABE 3.4 CD MECHANISM MODULE(GUIDE PAGE)C-aCM1 CXC7134SPINDLE MOTORM2 CXC4026LOADING/CARRIAGE MOTORPICKUP UNIT(P10.

DEH-P6950IB/XN/ES2356785678CDFABEC-bCCCD CORE UNIT(S10.5COMP2)ACN651FSIGNAL LINEFOCUS SERVO LINETRACKING SERVO LINECARRIAGE SERVO LINESPINDLE SERVO L

DEH-P6950IB/XN/ES2412341234CDFABEC-a C-bC-b1CCD CORE UNIT(S10.5COMP2)FSIGNAL LINEFOCUS SERVO LINETRACKING SERVO LINECARRIAGE SERVO LINESPINDLE SERVO

DEH-P6950IB/XN/ES2556785678CDFABEC-a C-bC-b2 3ACN6516&^

DEH-P6950IB/XN/ES2612341234CDFABEC-bC-aC-aC-b1PICKUP UNIT(P10.5)(SERVICE)SWITCHES:CD CORE UNIT(S10.5COMP2) S901:HOME SWITCH...ON-OFF S

DEH-P6950IB/XN/ES2756785678CDFABEC-aC-bc-bC-a2 3M1 CXC7134SPINDLE MOTORM2 CXC4026LOADING/CARRIAGE MOTORSWITCHES:CD CORE UNIT(S10.5COMP2) S901

DEH-P6950IB/XN/ES2812341234CDFABE- Waveforms Note : 1. The encircled numbers denote measuring points in the circuit diagram.2. Reference voltage REF

DEH-P6950IB/XN/ES2956785678CDFABE1 V/div500 mV/div500 mV/div2 ms/div%RFAGC@TE9TIN1 V/div500 mV/div500 mV/div500 μs/div%RFAGC@TE9TIN1 V/div500 mV/div5

DEH-P6950IB/XN/ES356785678CDFABE[Important Check Points for Good Servicing]In this manual, procedures that must be performed during repairs are marke

DEH-P6950IB/XN/ES3012341234CDFABE 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNITAATUNER AMP UNITCapacitorConnectorP.C.BoardChip PartSIDE BSIDE ANOTE F

DEH-P6950IB/XN/ES3156785678CDFABEASIDE ADCN1950CCN701Yi Pod CONNECTORANTENNA JACKCN352REAR OUTPUTFRONT OUTPUTSUBWOOFER OUTPUTFRONTFM/AM TUNER UNIT117

DEH-P6950IB/XN/ES3212341234CDFABEAATUNER AMP UNIT>FU 352 (B,128,136) Fuse 3 A CEK1286

DEH-P6950IB/XN/ES3356785678CDFABEASIDE B

DEH-P6950IB/XN/ES3412341234CDFABE 4.2 KEYBOARD UNITBSIDE BSIDE ABKEYBOARD UNITBKEYBOARD UNITOEL UNITDCN1951MULTI-CONTROL

DEH-P6950IB/XN/ES3556785678CDFABE 4.3 PANEL UNITDDPANEL UNITDPANEL UNITSIDE ASIDE BBCN1801ACN801EJECT

DEH-P6950IB/XN/ES3612341234CDFABE 4.4 CD CORE UNIT(S10.5COMP2)CSIDE ACCD CORE UNIT(S10.5COMP2)PICKUP UNIT(P10.5)(SERVICE)ACN651M2LOADING/CARRIAGEMOT

DEH-P6950IB/XN/ES3756785678CDFABECSIDE BCCD CORE UNIT(S10.5COMP2)

DEH-P6950IB/XN/ES3812341234CDFABE 5. ELECTRICAL PARTS LISTNOTE:• Parts whose parts numbers are omitted are subject to being not supplied.• The part n

DEH-P6950IB/XN/ES3956785678CDFABED 852 (B,49,18) Diode RB411DD 853 (A,24,29) Diode MTZJA10(B)D 854 (A,89,43) Diode MC2848-11D 901 (A,66,119) Diode

DEH-P6950IB/XN/ES412341234CDFABE CONTENTS SAFETY INFORMATION...

DEH-P6950IB/XN/ES4012341234CDFABER 653 (A,71,30) RS1/16S221JR 654 (A,74,32) RS1/16S104JR 666 (B,86,41) RS1/16S104JR 673 (B,88,41) RS1/16S682JR

DEH-P6950IB/XN/ES4156785678CDFABEC 225 (A,81,79) CEJQ4R7M35C 226 (A,88,79) CEJQ4R7M35C 227 (A,97,78) CEJQ4R7M35C 229 (A,64,88) CEJQ1R0M50C 230

DEH-P6950IB/XN/ES4212341234CDFABEL 1882 (A,28,115) Inductor CTF1617TH1881 (A,26,138) Thermistor CCX1037X 1841 (B,22,55) Ceramic Resonator 16.000 MH

DEH-P6950IB/XN/ES4356785678CDFABER 107 (B,41,59) RS1/16SS105JR 202 (B,32,62) RS1/16SS473JR 203 (B,42,45) RS1/16S473JR 204 (A,25,61) RS1/16SS22

DEH-P6950IB/XN/ES4412341234CDFABE6. ADJUSTMENT6.1 CD ADJUSTMENT1) Cautions on adjustments• In this product the single voltage (3.3 V) is used for the

DEH-P6950IB/XN/ES4556785678CDFABE[Key]ContentsDisplay[LIST] + [CLOCK] + Reset or[LIST] + [CLOCK] + BU + ACCTest Mode In[CD] or [SOURCE]Source OnTRK

DEH-P6950IB/XN/ES4612341234CDFABE6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNITCD CORE UNIT(S10.5COMP2)• Note :The grating angle of the PU u

DEH-P6950IB/XN/ES4756785678CDFABEGrating waveform45°0°75°60°30°90°Ech → Xch 20 mV/div, ACFch → Ych 20 mV/div, AC

DEH-P6950IB/XN/ES4812341234CDFABE6.3 ERROR MODE- Error MessagesIf a CD is not operative or stopped during operation due to an error, the error mode i

DEH-P6950IB/XN/ES4956785678CDFABE6.4 IPOD TEST MODE[Built-in iPod Test Mode Specification (Test mode for service representatives)] [Purpose of this t

DEH-P6950IB/XN/ES556785678CDFABE 1. SPECIFICATIONSBackup current ... 5 mA or less

DEH-P6950IB/XN/ES5012341234CDFABE6.5 SYSTEM MICROCOMPUTER TEST PROGRAM- PCL OutputIn the normal operation mode (with the detachable panel installed,

DEH-P6950IB/XN/ES5156785678CDFABE7. GENERAL INFORMATION7.1 DIAGNOSIS7.1.1 DISASSEMBLY- Removing the CD Mechanism Module (Fig.1)1Fig.1- Removing the

DEH-P6950IB/XN/ES5212341234CDFABEAABBUpper FrameLower FrameBBBBaDamperCarriage MechanismDamperDo not squeeze this area.- How to hold the Mechanism Uni

DEH-P6950IB/XN/ES5356785678CDFABEScrewShorting SolderCD Core UnitSolderChassisPickup RackPickupPoly WasherChange ArmPickup Lock ArmFeed ScrewPlanet Ge

DEH-P6950IB/XN/ES5412341234CDFABE7.1.2 CONNECTOR FUNCTION DESCRIPTION 1. BUS+ 2. GND 3. GND 4. NC 5. BUS- 6. GND 7. BUS L+ 8. ASENB 9. BUS R

DEH-P6950IB/XN/ES5556785678CDFABE7.2 IC1234567891033323130292827262524112344434241403938373635341213141516171819202122- Pin LayoutNJM2794VOUT2OUT1IN1

DEH-P6950IB/XN/ES5612341234CDFABE- Block DiagramIN4-_LIN4+_LIN3_LIN2_LIN1_LIN4+_RIN4-_RIN3_RIN2_RIN1_RIsolator IsolatorInput SelectorAuto ZeroPrimary

DEH-P6950IB/XN/ES5756785678CDFABEPAL007C1TAB2P-GND23OUT2-4STBY5OUT2+6VCC7OUT1-8P-GND19OUT1+10SVR11IN112IN213S-GND14IN415IN316AC-GND17OUT3+18P-GND319OU

DEH-P6950IB/XN/ES5812341234CDFABEPin No. Pin Name I/O FormatFunction and Operation12345678910111213141516,171819202122232425262728293031,32333435,3637

DEH-P6950IB/XN/ES5956785678CDFABEPEG274A100 26507625 51751PE5547A144 377210936 731081 Format Meaning C CMOS N Nch open drain Format Meaning C CM

DEH-P6950IB/XN/ES612341234CDFABE 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKINGNOTES : • Parts marked by " * " are generally unavailable b

DEH-P6950IB/XN/ES6012341234CDFABEPin No. Pin Name I/O FormatFunction and Operation1234567891011121314151617181920212223242526272829303132-363738394041

DEH-P6950IB/XN/ES6156785678CDFABEPin No. Pin Name I/OFunction and Operation6061626364656667-6970717273747576777879-94959697-10810911011111211311411511

DEH-P6950IB/XN/ES6212341234CDFABEPin No. Pin Name I/O FormatFunction and Operation12345678,9101112131415161718-20212223242526272829-323334353637383940

DEH-P6950IB/XN/ES6356785678CDFABEPEG272A25 5175150 7610026 Format Meaning C CMOS N Nch open drainPin No. Pin Name I/OFunction and Operation6667686

DEH-P6950IB/XN/ES6412341234CDFABENo. Symbol I/O Explain1 AMANT I AM antenna input AM antenna input high impedance AMANT pin is connected with an al

DEH-P6950IB/XN/ES6556785678CDFABE7.3 OPERATIONAL FLOW CHARTVcc=5 VPin 14Power ONbsens=Lasens=LbsensPin 73asensPin 72dsens=L2 V < CSENS < 3 Vdse

DEH-P6950IB/XN/ES6612341234CDFABE8. OPERATIONS

DEH-P6950IB/XN/ES6756785678CDFABE

DEH-P6950IB/XN/ES6812341234CDFABECXX1644XXX7020CXX1645

DEH-P6950IB/XN/ES6956785678CDFABE- Connection Diagram

DEH-P6950IB/XN/ES756785678CDFABE (1) PACKING SECTION PARTS LIST(2) CONTRAST TABLE DEH-P6950IB/XN/ES and DEH-P6950IB/XN/ES1 are constructed the same e

DEH-P6950IB/XN/ES7012341234CDFABEBefore shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools:Porti

DEH-P6950IB/XN/ES812341234CDFABE 2.2 EXTERIORABCDBACD81638383738384543504847444649535254405541395775667360655977798058585858787671727056626369677468

DEH-P6950IB/XN/ES956785678CDFABE EXTERIOR SECTION PARTS LIST Mark No. Description Part No. 1 Screw BMZ30P040FTB 2 Screw BSZ26P060FTC 3 Screw B