Panasonic RX-D45EB Service Manual
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Panasonic RX-D45EB Service Manual

Panasonic RX-D45EB Service Manual

Portable stereo cd system
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Notes: Please refer to the original service manual for:
G CD Mechanism Unit (DLS6F), Order No. PSG1002024AE

TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.2. Caution for AC Cord -------------------------------------- 4
1.3. Before Repair and Adjustment ------------------------- 5
Portable Stereo CD System
Model No.
Product Color : (W)...White Type (For RX-D45 only)
PAGE
1.4. Caution For Fuse Replacement ------------------------5
1.5. Protection Circuitry ----------------------------------------5
1.6. Safety Part Information -----------------------------------5
2 Warning -------------------------------------------------------------- 7
© Panasonic Corporation 2010. All rights reserved.
Unauthorized copying and distribution is a violation of
law.
RX-D45EB
RX-D45EG
RX-D50EB
RX-D50EG
(S)...Silver Type (For RX-D50 only)
PSG1002014CE
PAGE

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Summary of Contents for Panasonic RX-D45EB

  • Page 1: Table Of Contents

    1.5. Protection Circuitry ----------------------------------------5 1.2. Caution for AC Cord -------------------------------------- 4 1.6. Safety Part Information -----------------------------------5 1.3. Before Repair and Adjustment ------------------------- 5 2 Warning -------------------------------------------------------------- 7 © Panasonic Corporation 2010. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 2.1. Prevention of Electro Static Discharge (ESD) 13 Illustration of IC’s, Transistors and Diodes------------ 65 to Electrostatically Sensitive (ES) Devices ----------7 14 Wiring Connection Diagram -------------------------------- 67 2.2. Precaution of Laser Diode -------------------------------8 15 Schematic Diagram Notes ----------------------------------- 69 2.3. Service caution based on Legal restrictions---------9 16 Schematic Diagram -------------------------------------------- 71 2.4.

  • Page 3: Safety Precautions

    1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 4: Caution For Ac Cord

    1.2. Caution for AC Cord...

  • Page 5: Before Repair And Adjustment

    1.3. Before Repair and Adjustment Caution : DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices. After repairs are completed, restore power gradually using a variac, to avoid overcurrent. • Current consumption at AC 230 V, 50Hz in TUNER VOL. MIN mode should be (~300 mA) respectively. 1.4.
  • Page 6 Safety Ref. No. Part No. Part Name & Description Remarks F5901 K5D202BLA013 FUSE D50EB/EG-S F5902 K5D162BLA013 FUSE JK5901 K2AA2B000014 JK AC INLET L5901 ELF15N035AN LINE FILTER RL5901 K6B1AEA00003 RELAY Z5902 ERZVA5Z471 FP4100 K5G502A00039 FUSE PROTECTOR FP5903 K5G502A00039 FUSE PROTECTOR ZA5901 K3GE1ZZ00001 FUSE HOLDER ZA5902...

  • Page 7: Warning

    2 Warning 2.1. Prevention of Electro Static Discharge (ESD) to Electrostatically Sensi- tive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor “chip”...

  • Page 8: Precaution Of Laser Diode

    2.2. Precaution of Laser Diode CAUTION! 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. Caution: This product utilizes a laser diode with the unit turned "on", invisible laser radiation is emitted from the pickup lens. Wavelength: 795 nm (CD) Maximum output radiation power from pickup: 100 μW/VDE Laser radiation from the pickup unit is safety level, but be sure the followings:...

  • Page 9: Service Caution Based On Legal Restrictions

    2.3. Service caution based on Legal restrictions 2.3.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation. The normal solder is the alloy of tin (Sn) and lead (Pb).

  • Page 10: Handling Precaution For Traverse Unit

    2.4. Handling Precaution for Traverse Unit The laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must be taken avoid caution to electrostatic breakdown when servicing and handling the laser diode in the traverse unit. Cautions to Be Taken in Handling the Optical Pickup Unit 2.4.1.
  • Page 11 2.4.2.2. Human body grounding 1. Use the anti-static wrist strap to discharge the static electricity form your body (Figure 2). Figure 2...

  • Page 12: Service Navigation

    3 Service Navigation 3.1. Service Information This service manual contains technical information which will allow service personnel’s to understand and service this model. Please place orders using the parts list and not the drawing reference numbers. If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service manual.

  • Page 13: Specifications

    4 Specifications Power consumption in standby mode: 0.8 W (approximate) Notes : 1. Specifications are subject to change without notices. Mass and dimensions are approximate. (RX-D45) 2. Total harmonic distortion is measured by the digital spectrum ana- I Amplifier Section lyzer.
  • Page 14 Speaker(S) Full range 8 cm cone type Tweeter 1.5 cm ceramic tweeter type 4 Ω Impedance I General Power supply 230 V, 50 Hz Battery 12 V (8 x LR14, C) Memory back-up 6 V (4 x R6/LR6, AA) Power consumption 14 W Dimensions (W x H x D) 408 mm x 148 mm x 255 mm...

  • Page 15: Location Of Controls And Components

    5 Location of Controls and Components 5.1. Main Unit Key Button Operations (RX-D45)

  • Page 16: Main Unit And Remote Control Key Button Operations (Rx-D50)

    5.2. Main Unit and Remote Control Key Button Operations (RX-D50)

  • Page 17: Disc Information

    5.3. Disc Information 5.3.1. Disc Information (RX-D45) 5.3.2. Disc Information (RX-D50)

  • Page 18: Self Diagnostic And Doctor Mode Setting

    6 Self Diagnostic and Doctor Mode Setting This unit is equiped with features of self diagnostic & doctor mode setting for checking the functions & reliability. 6.1. Self Diagnostic Mode 6.1.1. Self Diagnostic Table Item FL display Key operation Mode name Description Self Diagnostic Mode To enter into self diagnostic...

  • Page 19: Doctor Mode (For Rx-D45)

    6.2. Doctor Mode (For RX-D45) 6.2.1. Doctor Mode Table 1 Item FL display Key operation Mode name Description Doctor Mode (Display 1) In any mode: To enter into Doctor Mode for checking of various items and 1. Press and hold [ ] on main unit displaying EEPROM and firmware follow by [-VOL] on main unit.
  • Page 20 6.2.2. Doctor Mode Table 2 Item FL display Key operation Mode name Description Volume Setting To check for volume setting during In Doctor Mode: this mode, Bass & treble is set to 1. Select to FM mode and Press 0dB & EQ is switch off. [SOUND EQ] on main unit.
  • Page 21 6.2.3. CD Loading Test Mode OPEN Operation OPEN wait for 1 s CLOSE Count Up Operation CLOSE wait for 4s 6.2.4. CD Combination Test Mode First Track Access First Track Play 10 s Last Track Access Count Up Last Track Play 10 s OPEN Operation...

  • Page 22: Doctor Mode (For Rx-D50)

    6.3. Doctor Mode (For RX-D50) 6.3.1. Doctor Mode Table 1 Item FL display Key operation Mode name Description Doctor Mode (Display 1) In any mode: To enter into Doctor Mode for checking of various items and 1. Press and hold [ ] on main displaying EEPROM and firmware unit follow by [4] and [7] on...
  • Page 23 6.3.2. Doctor Mode Table 2 Item FL display Key operation Mode name Description FL Display Test In Doctor Mode: To check the FL segments display (All segments will light up) 1. Press [AUTO OFF] on remote control. To cancel, press [0] on remote control.
  • Page 24 6.3.3. CD Loading Test Mode OPEN Operation OPEN wait for 1 s CLOSE Count Up Operation CLOSE wait for 4s 6.3.4. CD Traverse Unit Test First Track Access First Track Play 5 s Last Track Access Last Track Count Up Play 5 s...
  • Page 25 6.3.5. CD Combination Test Mode First Track Access First Track Play 10 s Last Track Access Count Up Last Track Play 10 s OPEN Operation OPEN wait for 1 s CLOSE Operation...

  • Page 26: Service Fixture & Tools

    7 Service Fixture & Tools Prepare service tools before proccess service position. Service Tools Remarks Deck P.C.B. (JW830) - Main P.C.B. (CN2104) REXN0084 (10P cable) Panel P.C.B. (ZJ903) - Main P.C.B. (CN4104) REXN0082 (4P cable) Panel P.C.B. (CN900) - Main P.C.B. (CN2105) REXN0080 (10P cable)

  • Page 27: Disassembly And Assembly Instructions

    8 Disassembly and Assembly Instructions Caution Note: • This section describes the disassembly and/or assembly procedures for all major printed circuit boards & main compo- nents for the unit. (You may refer to the section of “Main components and P.C.B Locations” as described in the service manual) •...

  • Page 28: Disassembly Flow Chart

    8.1. Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the ser- vicing. To assemble the unit, reverse the steps shown in the chart below.

  • Page 29: Main Parts Location Diagram

    8.2. Main Parts Location Diagram...

  • Page 30: Disassembly Of Top Cabinet Assembly

    8.3. Disassembly of Top Cabinet Step 3 : Remove 12 screws. Step 4 : Upset the unit. Assembly Step 1 : Upset the unit. Step 2 : Release 2 catches to remove Battery Cover. Step 5 : Slightly lift up the Top Cabinet Assembly as arrow shown.

  • Page 31: Disassembly Of Music Port (For Rx-D50 Only)

    8.4. Disassembly of Music Port (For 8.5. Disassembly of Front Panel RX-D50 only) Assembly • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Top Cabinet Assembly”. Step 1 : Remove 2 screws. Step 1 : Upset the unit. Step 2 : Lift up the Standby P.C.B..

  • Page 32: Disassembly Of Panel P.c.b., Standby P.c.b. And Volume P.c.b

    Step 6 : Remove Front Panel Assembly as arrow shown. 8.6. Disassembly of Panel P.C.B., Standby P.C.B. and Volume P.C.B. • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Front Panel Assembly”. Step 1 : Remove 4 screws. Step 2 : Lift up the Volume P.C.B.

  • Page 33: Disassembly Of Woofer Speaker (Sp1)

    Step 4 : Desolder 2P wire at (ZJ901) on the Panel P.C.B.. 8.7. Disassembly Woofer Step 5 : Desolder 2P wire at (ZJ902) on the Panel P.C.B.. Speaker (SP1) • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Front Panel Assembly”. Step 1 : Desolder 2P wire on Woofer Speaker (SP1).

  • Page 34: Disassembly Of Woofer Speaker (Sp2)

    8.8. Disassembly Woofer 8.9. Disassembly of CD Lid Speaker (SP2) • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Front Panel Assembly”. • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Front Panel Assembly”. Step 1 : Remove the Spring as arrow shown in order of sequences (1) to (3).

  • Page 35: Disassembly Of Deck Mechanism Unit

    Step 3 : Remove the CD Lid. 8.10. Disassembly of Deck Mecha- nism Unit • Refer to “Disassembly of Top Cabinet Assembly”. Step 1 : Remove 3 screws. Step 2 : Open Mecha Bottom Cover as arrow shown. Step 3 : Press the STOP/EJECT button to open Cassette Lid.
  • Page 36 Caution : During assembling, ensure the Deck Mechanism Unit is properly fitted into the Locator. Step 4 : Remove the Deck Mechanism Unit as arrow shown. Caution : During assembling, ensure the Deck Mechanism Unit is properly sitted under the Catch.

  • Page 37: Disassembly Of Deck P.c.b

    8.11. Disassembly of Deck P.C.B. 8.12. Disassembly of Cassette Lid • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Deck Mechanism Unit”. Step 1 : Remove 2 screws. Step 2 : Desolder 2P wire at (JW501) on the Deck P.C.B..
  • Page 38 Step 3 : Lift up the Spring as arrow shown. Step 6 : Remove Cassette Lid as arrow shown. Step 4 : Remove the Spring. Step 5 : Push the shafts of Cassette Lid inward as arrow shown.

  • Page 39: Disassembly Of Mecha Bottom Cover

    8.13. Disassembly of Mecha Bottom Step 4 : Open the Mecha Bottom Cover as arrow shown. Cover • Refer to “Disassembly of Top Cabinet Assembly”. Step 1 : Remove 3 screws. Step 2 : Remove the Top Cover. Step 5 : Using flat screwdriver slightly push the shaft (A) of Mecha Bottom Cover in order of sequence (1) to (2) as arrow shown.

  • Page 40: Disassembly Of Power P.c.b

    Step 6 : Using flat screwdriver slightly push the shaft (B) of 8.14. Disassembly of Power P.C.B. Mecha Bottom Cover in order of sequence (3) to (4) as arrow • Refer to “Disassembly of Top Cabinet Assembly”. shown. Step 1 : Remove 1 screw. Step 2 : Lift and remove the PCB Support as arrow shown.
  • Page 41 Step 3 : Remove 4 screws. Step 5 : Remove the cables from the slot. Step 4 : Detach 8P cable at the connector (CN4100) on Main Caution : During assembling, ensure the cables as prop- erly inserted into the Slot. P.C.B..

  • Page 42: Disassembly Of Main P.c.b

    Step 7 : Release 6 catches. 8.15. Disassembly of Main P.C.B. Step 8 : Remove the Safety cover. • Refer to “Disassembly of Top Cabinet Assembly”. Step 1 : Detach 4P cable at the connector (CN4104) on Main P.C.B.. Step 2 : Detach 10P cable at the connector (CN2105) on Main P.C.B..

  • Page 43: Replacement Of Transisor (Q4107)

    Step 7 : Lift up to remove Main P.C.B.. 8.16. Replacement Transisor (Q4107) • Refer to “Disassembly of Main P.C.B.” 8.16.1. Disassembly of Transistor (Q4107) Step 1 : Desolder pins of the Transistor (Q4107) on the solder side of Main P.C.B.. Caution 1 : During assembling, ensure the Main P.C.B.
  • Page 44 Step 3 : Remove the Transistor (Q4107). Step 3 : Fix 1 screw on the Transistor (Q4107) onto the Heat- Caution : Avoid touching the Heatsink Unit due to its high sink Unit. temperature after prolonged use. Touching it may lead to injuries.

  • Page 45: Replacement Of Power Ic (Ic4101)

    8.17. Replacement Power Step 4 : Desolder pins of the Power IC (IC4101) on the solder side of the Main P.C.B.. (IC4101) • Refer to “Disassembly of Main P.C.B.” 8.17.1. Disassembly of Power IC (IC4101) Step 1 : Desolder pins of the Heatsink Unit. Step 5 : Remove the Power IC (IC4101).
  • Page 46 8.17.2. Assembly of Power IC (IC4101) Step 3 : Apply Grease to the Heatsink Unit. Step 1 : Install the Power (IC4101) on Main P.C.B.. Caution : Ensure the pins are inserted and seated properly on Main P.C.B.. Step 4 : Install the Heatsink Unit on Main P.C.B. Caution : Ensure the pins are inserted and seated properly on Main P.C.B..

  • Page 47: Disassembly Of Cd Mechanism Unit

    8.18. Disassembly of CD Mecha- 8.19. Disassembly Servo nism Unit P.C.B. • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of CD Mechanism Unit” • Refer to “Disassembly of Main P.C.B.” Step 1 : Remove 3 screws. Step 1 : Remove 2 screws.

  • Page 48: Disassembly Of Battery (1) P.c.b

    8.20. Disassembly Battery Step 2 : Remove the Battery (1) P.C.B. as arrow shown. P.C.B. • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Main P.C.B.” Step 1 : Release the catch. Step 3 : Desolder 4P cable at (CN921) on the Battery (1) P.C.B.

  • Page 49: Disassembly Of Battery (2) P.c.b

    8.21. Disassembly Battery P.C.B. • Refer to “Disassembly of Top Cabinet Assembly”. • Refer to “Disassembly of Main P.C.B.” Step 2 : Release the catch. Step 2 : Remove the Battery (2) P.C.B. as arrow shown.

  • Page 50: Disassembly And Assembly Of Traverse Unit

    9 Disassembly and Assembly of Traverse Unit 9.1. Disassembling Procedures Step 3 : Slide out the traverse unit as arrow shown. Step 1 : Release the guide. Step 2 : Push the traverse slide plate (rib), ensure both grooves are opened. Caution : Ensure the OPU is face upwards, avoid touching the surface of the traverse unit.

  • Page 51: Assembling Procedure

    9.2. Assembling Procedure Step 1 : Release the guide. Step 2 : Push the traverse slide plate (rib), ensure both grooves Caution : Removal of the short pin is necessary for are opened. replacement of new traverse unit. Step 3 : Slot the traverse unit at approximately 45° into the mecha chassis as arrow shown.
  • Page 52 Caution : Ensure the bosses fix exactly onto the guides. Step 4 : Release the guide. Step 5 : Push the traverse slide plate (rib) to lock the traverse unit in.

  • Page 53: Service Position

    10 Service Position Note: For description of the disassembly procedures, see the Section 8 Note: Insert CD before checking 10.1. Checking & Repairing Deck 10.2. Checking & Repairing Panel P.C.B. P.C.B. Step 1 : Remove the Top Cabinet Assembly. Step 1 : Remove the Top Cabinet Assembly. Step 2 : Attach original cable with extension cable REXN0084 Step 2 : Attach original cable with extension cable REXN0084 (10P cable from JW830 on Deck P.C.B.

  • Page 54: Checking & Repairing Power P.c.b

    10.3. Checking & Repairing Power 10.4. Checking & Repairing Main P.C.B. P.C.B. Step 1 : Remove the Top Cabinet Assembly. Step 1 : Remove the Top Cabinet Assembly. Step 2 : Remove the Power P.C.B.. Step 2 : Remove the Main P.C.B.. Step 3 : Attach original cable with extension cable REXN0084 Step 3 : Connect 22P FFC at the connector (CN2101) on the (10P cable from JW830 on Deck P.C.B.
  • Page 55 Step 5 : Attach original cable with extension cable REXN0084 Step 8 : Place the insulating material as shown in the diagram. (10P cable from JW830 on Deck P.C.B. to CN2104 on Main Step 9 : Upset the Main P.C.B. onto the insulating material. P.C.B.).

  • Page 56: Checking & Repairing Cd Servo P.c.b

    10.5. Checking & Repairing Step 8 : Place the insulating material as shown in the diagram. Step 9 : Connect 22P FFC at the connector (CN2101) on the Servo P.C.B. Main P.C.B.. Step 1 : Remove the Top Cabinet Assembly. Step 10 : Check and repair the CD Servo P.C.B.

  • Page 57: Measurements And Adjustments

    11 Measurements and Adjustments 11.1. Tuner Section READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT 1. Set selector switch to AM, FM and TAPE. 2. Set volume level to maximum. 3. Output of signal. G AM-RF ALIGNMENT Signal Generator or Sweep Generator Radio Dial Setting Indicator (Electronic Voltmeter Adjustment Remarks...

  • Page 59: Deck Mechanism Section

    11.2. Deck Mechanism Section G HEAD AZIMUTH ALIGNMENT TEST TAPE INDICATOR (ELECTRONIC VOLTMETER ADJUSTMENT REMARKS or OSCILLOSCOPE) QZZCAB Headphone Jack (32Ω ) Azimuth Screw 1. Insert the test tape (QZZCAB) and start playback at (~ 3 dB) Fabricate the plug as shown in Fig.3 and (Shown in Fig.4) maximum volume &...

  • Page 60: Voltage Measurement & Waveform Chart

    IC7001 REF NO. MODE CD PLAY STANDBY REF NO. IC7001 MODE CD PLAY STANDBY IC7002 REF NO. MODE CD PLAY STANDBY IC7002 REF NO. MODE CD PLAY STANDBY Q7601 REF NO. MODE CD PLAY STANDBY RX-D45EB/EG, RX-D50EB/EG CD SERVO P.C.B.

  • Page 61: Main P.c.b. (1/2)

    STANDBY REF NO. IC2100 MODE CD PLAY STANDBY IC2100 REF NO. MODE CD PLAY STANDBY REF NO. IC2101 MODE CD PLAY STANDBY IC2500 REF NO. MODE CD PLAY STANDBY REF NO. IC2500 MODE CD PLAY STANDBY RX-D45EB/EG, RX-D50EB/EG MAIN P.C.B.

  • Page 62: Main P.c.b. (2/2)

    15.8 14.8 15.6 Q4117 Q4118 Q4119 QR4104 QR4105 REF NO. MODE DECK PLAY 15.7 15.7 STANDBY 15.7 15.7 RX-D45EB/EG, RX-D50EB/EG MAIN P.C.B. 12.4. DECK P.C.B. REF NO. MODE CD PLAY STANDBY Q133 Q233 Q321 REF NO. MODE CD PLAY STANDBY...

  • Page 63: Panel P.c.b

    CD PLAY STANDBY IC900 REF NO. MODE CD PLAY STANDBY Q900 REF NO. MODE CD PLAY STANDBY RX-D45EB/EG, RX-D50EB/EG PANEL P.C.B. 12.6. POWER P.C.B. IC5901 REF NO. MODE CD PLAY 12.0 12.0 STANDBY 12.0 12.0 Q5904 Q5905 Q5906 REF NO.

  • Page 64: Waveform Chart

    12.7. Waveform Chart 0.11Vp-p(50nsec/div) 0.6Vp-p(50usec/div) 0.56Vp-p(5usec/div) 0.68Vp-p(5usec/div) 0.1Vp-p(50usec/div) 4Vp-p(50nsec/div) 2Vp-p(20nsec/div) 1.4Vp-p(5usec/div) 2.2Vp-p(5usec/div) 3.2Vp-p(200usec/div) 0.04Vp-p(100usec/div) 0.36Vp-p(200usec/div) 1.8Vp-p(5usec/div) 0.1Vp-p(200usec/div) 2.8Vp-p(50usec/div) 0.1Vp-p(200usec/div) 0.52Vp-p(1usec/div) 2.4Vp-p(100nsec/div) 4.8Vp-p(20nsec/div) 1.9Vp-p(20nsec/div)

  • Page 65: Illustration Of Ic's, Transistors And Diodes

    13 Illustration of IC’s, Transistors and Diodes C1BB00001120 (36P) C0CBABE00023 C0CBABC00115 C0DAEJG00001 C0DBEKG00003 BA5948FPE2 (28P) C1BB00000732 (32P) C1BA00000421 BA3313L B1ADCF000001 MN6627954AMA (100P) C0EBE0000124 C0HBA0000268 (44P) RFKWMD45EG-W (100P) B1ABCF000176 B0ADFJ000004 B1BCCG000002 B1ACCF000094 B1HBECA00004 B1ADCE000012 B1GBCFJN0033 B1GDCFGA0018 B0EAKM000117 B3AAA0000573 MAZ8056GML B0ACCK000005 B0CDAB000019 B3ACA0000264 B0BC9R1A0218 B0CDAD000010...

  • Page 67: Wiring Connection Diagram

    14 Wiring Connection Diagram 6V (4, R6/LR6, AA) 12V (8 x LR14, C) OPTICAL PICKUP...

  • Page 69: Schematic Diagram Notes

    15 Schematic Diagram Notes (All schematic diagrams may be modified at any time with • Voltage and signal line the development of new technology) : +B Signal Line Notes: S501: LEAF switch S502: CUE/REV switch : CD/TAPE Audio input Signal Line S900: STDBY switch S901:...

  • Page 71: Schematic Diagram

    C7243 DVDD1 C7155 IODD2 R7329 SDRCK DVSS1 X7201 H0H169500013 R7328 21 20 15 14 12 11 C7335 C7334 10V220 R7323 R7331 6.8K IC7002 BA5948FPE2 R7325 R7315 DRIVER 3.3K R7332 R7335 RX-D45EB/EG,RX-D50EB/EG CD SERVO CIRCUIT M7301* M7302* TRAVERSE MOTOR SPINDLE MOTOR...

  • Page 72: Main Circuit (1/6)

    C2511 LEFT R2506 220P 220P CD_RCH RIGHT R2536 R4132 R4136 AGND 4.7K FILTER C4142 R4134 R2507 C2510 TUNER_RCH R4127 CD_LCH R2516 100K C2514 R2520 C2516 220P C2517 R2521 220P CD_RCH R2517 100K C2518 TO MAIN SECTION (4/6) RX-D45EB/EG,RX-D50EB/EG MAIN CIRCUIT...

  • Page 73: Main Circuit (2/6)

    C4145 C4164 16V10 470P TO MAIN TO MAIN CN4104 SECTION (3/6) SECTION (1/6) PANEL CIRCUIT (ZJ903*) IN SCHEMATIC DIAGRAM - 9 C4179 C4165 0.01 470P FP4100 C4154 C4146 25V3300 16V10 TUNER_GND DGND M+9VGND TO MAIN SECTION (5/6) RX-D45EB/EG,RX-D50EB/EG MAIN CIRCUIT...

  • Page 74: Main Circuit (3/6)

    KEY1 KEY1 KEY2 KEY2 LCD_DI LCD_DI LCD_CE PANEL CIRCUIT LCD_CE (ZJ900*) LCD_CLK LCD_CLK IN SCHEMATIC BU3.3V DIAGRAM - 9 3.3V RM_IN RMT_P RMT_ON RMT_ON Q2103 R2537 B1ADCE000012 100K LCD_ON R2538 2.2K POWER SUPPLY TO MAIN SECTION (6/6) RX-D45EB/EG,RX-D50EB/EG MAIN CIRCUIT...

  • Page 75: Main Circuit (4/6)

    1000P 0.01 50V4.7 RLQY30S1W H0A750200020 4.7K 3.3V L200 B0CDAD000010 G0C220KA0022 C1BB00001120 TUNER RLQY30S1W C294 6.3V220 TUNER_GND G2CAEB000003 1000P 100K PLL_DO PLL_CLK PLL_DI 0.047 PLL_CE J0B1075A0129 CT51 0.033 RCVTZ11F 330P 0.047 TUNER_RCH 50V1 6.3V100 TUNER_LCH 50V1 J0B4503A0074 G2BAC0000051 RX-D45EB/EG,RX-D50EB/EG MAIN CIRCUIT...

  • Page 76: Main Circuit (5/6)

    25V220 C4148 C4153 C4162 R4152 C4149 16V100 16V47 IC4100 STBY3.3V D4106 B0ACCK000005 C0CBABC00115 VOUT GND VOLTAGE REGULATOR BU3.3V D4103 B0ACCK000005 VREF+ D4104 B0ACCK000005 Q4105 R5925 100K B1ADCE000012 POWER SUPPLY R4141 2.2K R4139 QR4104 B1GBCFJN0033 POWER CONTROL PGND RX-D45EB/EG,RX-D50EB/EG MAIN CIRCUIT...

  • Page 77: Main Circuit (6/6)

    220P D4105 R2177 B0ACCK000005 C2125 100K C2113 220P STBY3.3V R2140 R2101 100K R2175 470K CN2102 IC2101 MMOD C0EBE0000124 MICONRST C4167 6.3V100 QR4105 RESET OCD_SCL FOR SOFTWARE WRITING B1GBCFJN0033 DC DETECT OCD_SDA R5903 R5908 330K STBY3.3V DGND VREF+ RX-D45EB/EG,RX-D50EB/EG MAIN CIRCUIT...

  • Page 78: Deck Circuit

    25V100 R319 R208 PRE AMPLIFIER S502 CUE/REV R205 C210 SWITCH 16V100 C208 R202 R206 2200P 2.2K 2.7K R321 T320 R323 C321 RL0N9B17-T 1000P Q321 B1ABCF000176 C324 BIAS SWITCH 1500P R325 C322 C327 8200P 0.01 R324 C323 16V100 RX-D45EB/EG,RX-D50EB/EG DECK CIRCUIT...

  • Page 79: Panel / Volume / Standby Circuit

    R914 ZJ908* ZJ909* 4.7K 3.3K 2.2K 1.5K 1.2K R992 KEY2 KEY2 FOR RX-D50EB/EG C956 S900 3300P STDBY R993 S901 S910 S911 S912 S902 C955 TIMER/CLK OPEN/CLOSE STOP FM/AM 3300P PLAY/PAUSE D993 B3AAA0000573...RX-D45EB/EG B3ACA0000264...RX-D50EB/EG RX-D45EB/EG,RX-D50EB/EG PANEL / VOLUME / STANDBY CIRCUIT...

  • Page 80: Power Circuit

    16.10. POWER CIRCUIT SCHEMATIC DIAGRAM - 10 POWER CIRCUIT : +B SIGNAL LINE RX-D45 RX-D50 F5901 T1.25AL 250V...RX-D45EB/EG T2AL 250V...RX-D50EB/EG ZA5902 ZA5901 FOR RX-D45EB/EG FOR RX-D50EB/EG T5902 G4C4BAH00003 C5909 JW4102* 16V470 MAIN TRANSFORMER MAIN CIRCUIT C5910 (CN4100) 230V MAIN_GND IN SCHEMATIC...

  • Page 81: Battery (1) / Battery (2) / Music Port Circuit

    : MUSIC PORT AUDIO INPUT SIGNAL LINE JK950 MUSIC PORT R907 L951 J0JBC0000019 CN904* MAIN CIRCUIT L950 MPORT_LCH J0JBC0000019 (CN4105) AGND IN SCHEMATIC MPORT_RCH DIAGRAM - 4 L952 J0JBC0000019 R903 RX-D45EB/EG,RX-D50EB/EG BATTERY (1) / BATTERY (2) / MUSIC PORT CIRCUIT...

  • Page 82: Printed Circuit Board

    C7315 (REST SW) TP31 R7327 C7339 R7329 TP37 W7017 TP10 TP90 TP11 IC7002 C7335 M7302* (SPL MOTOR) C7334 TP36 S7202 (CD OPEN SW) NOTE: " * " REF IS FOR INDICATION ONLY. RX-D45EB/EG, RX-D50EB/EG CD SERVO / MUSIC PORT P.C.B.

  • Page 83: Main P.c.b

    17.2. MAIN P.C.B. MAIN P.C.B. (REPNT0061AA...RX-D45EB/EG) (REPNT0061BA...RX-D50EG) (REPNT0061HA...RX-D50EB) W2025 K800...E/EB/EG L4110 PHONES R4158 L4107 TL12 L4106 K4102 W1027 TL13 K4107 JK4101 R4156 W1160 W1127 Q4107 L200 C4144 R4137 Q4106 C4171 C4143 C4170 Q4118 HEATSINK D4102 C294 R5915 C4160 W1071 W1031...

  • Page 84: Deck / Panel / Volume / Standby P.c.b

    17.3. DECK / PANEL / VOLUME / STANDBY P.C.B. DECK P.C.B. (REPNT0061AB...RX-D45EB/EG) PANEL P.C.B. (REPNT0062A...RX-D45EB/EG) (REPNT0061BB...RX-D50EG) (REPNT0062B...RX-D50EB/EG) (REPNT0061HB...RX-D50EB) TO SPEAKER (LCH) TO SPEAKER (RCH) C210 D333 C313 C204 0659AA 0659AA C102 S911 (OPEN/CLOSE) R322 C103 R326 C203 CP303 ZJ902* ZJ903*...

  • Page 85: Power P.c.b

    17.4. POWER P.C.B. POWER P.C.B. (REPNT0063A...RX-D45EB/EG) T5902 (MAIN TRANSFORMER) K5910 K5911 D5928 W5014 AC IN C5904 230V 50Hz L5901 W5011 ZA5903 F5902 T5904 T1.6AL (SUB TRANSFORMER) 250V F5901 ZA5902 T1.25AL 250V ZA5901 ZA5904 K5900 R5907 W5018 Q5905 RL5901 D5923 IC5901...

  • Page 86: Power / Battery (1) / Battery (2) P.c.b

    17.5. POWER / BATTERY (1) / BATTERY (2) P.C.B. POWER P.C.B. (REPNT0063B...RX-D50EB/EG) BATTERY (1) P.C.B. (REPNT0063A...RX-D45EB/EG) (REPNT0063B...RX-D50EB/EG) T5903 (MAIN TRANSFORMER) 0658AB 0658AB D5926 CN921* SP5902 K5910 K5911 D5928 W5014 FP5903 AC IN C5904 230V 50Hz L5901 SP5901* W5011 ZA5903 F5902 T5904 T1.6AL...

  • Page 87: Terminal Function Of Ic's

    18 Terminal Function of IC’s 18.1. IC7001 (MN6627954AMA) IC SERVO PROCESSOR Pin No. Mark Function OUTL Audio O/P (LCH) Pin No. Mark Function AVSS1 DRAM address signal O/P 9 AVDD1 Analog Power Supply Voltage 1 DRAM address signal O/P 11 OUTR Audio O/P (RCH) DRAM address signal O/P 8...

  • Page 88: Ic7002 (Ba5948Fpe2) Ic 4Ch Drive

    18.2. IC7002 (BA5948FPE2) IC 4CH Drive Pin No. Mark Function N.C. No Connection Pin No. Mark Function RMT_IN Remote Control Input Motor Driver Input HALT AC Detection Turntable Motor Drive Signal DCDET2 Power Faioure Detection (F76) (L:ON) DC_DET DC Supply Detection Motor Drive (1) Input BLKCK CD Sub-code Block Clock Input...
  • Page 89 Pin No. Mark Function RMT_ON Remote Control Supply (Active "L") => Output "L" when HALT is present or => Output "L" when DC_DET=L and PCONT1=H (for RX-D50) N.C. No Connection (for RX-D45) N.C. No Connection N.C. No Connection N.C. No Connection N.C.

  • Page 91: Exploded View And Replacement Parts List

    FOR RX-D50EB/EG ONLY (MUSIC PORT P.C.B.) JK950 (STANDBY P.C.B.) *CN904 *ZJ909 *ZJ908 (VOLUME P.C.B.) *CN907 IR901 (FOR RX-D50EB/EG ONLY) *CN906 *ZJ900 *ZJ902 (PANEL P.C.B.) *ZJ903 *ZJ901 Z902 RX-D45EB/EG-W RX-D50EB/EG-S CABINET DRAWINGS NOTE: " * " REF IS FOR INDICATION ONLY.
  • Page 92 *HEATSINK JK4101 (FOR RX-D45EB/EG) (FOR RX-D50EB/EG) (MAIN P.C.B.) F5902 F5902 CN2104 CN2102 *JW4102 *JW4102 T5904 T5904 CN4105 (FOR RX-D50EG ONLY) CN2105 JK5901 JK5901 CN4100 *JW920 *JW920 *JW4101 *JW4101 CN2101 CN4104 F5901 F5901 (POWER P.C.B.) T5903 (POWER P.C.B.) T5902 (BATTERY (2) P.C.B.)
  • Page 93 19.1.2. Deck Mechanism Parts Location (RAA0948-N) TAPE SIDE (TOP) GEAR SIDE (BOTTOM) (MECH ASSEMBLY) (MECH ASSEMBLY) RX-D45EB/EG-W RX-D50EB/EG-S DECK MECHANISM DRAWINGS...
  • Page 94 19.1.3. Packaging A2 (FOR EG) A2 (FOR EB) A1-1 F R O N POLYFOAM (LEFT) POLYFOAM (RIGHT) RX-D45EB/EG-W RX-D50EB/EG-S PACKAGING DRAWINGS...
  • Page 95 19.1.4. Mechanical Repacement Parts List Safety Ref. No. Part No. Part Name & QTY Remarks Description Safety Ref. No. Part No. Part Name & QTY Remarks RKFN0020-S CD LID D50EB/ Description EG-S CABINET RKFN0020-W CD LID D45EB/ CHASSIS EG-W RHDX03001 SCREW RASN8P045-G SPEAKER...
  • Page 96 Safety Ref. No. Part No. Part Name & QTY Remarks Safety Ref. No. Part No. Part Name & QTY Remarks Description Description RYQN0009A-S BOTTOM CABINET D50EG-S RHD26002-1 SCREW ASS'Y RJR0033 EARTH LUG RYQN0009G-W BOTTOM CABINET D45EB-W RMA0108-1 MOTOR BRACKET A ASS'Y RMB0059 AZIMUTH SPRING...

  • Page 97: Electrical Replacement Parts List

    19.2. Electrical Replacement Parts List Safety Ref. No. Part No. Part Name & QTY Remarks Description Safety Ref. No. Part No. Part Name & QTY Remarks PCB10 REPNT0063B BATTERY D50EB/ Description P.C.B. EG-S PRINTED CIRCUIT BOARDS INTEGRATED CIR- CUITS PCB1 REPNT0061HA MAIN P.C.B.
  • Page 98 Safety Ref. No. Part No. Part Name & QTY Remarks Safety Ref. No. Part No. Part Name & QTY Remarks Description Description Q5904 B1GBCFJN0033 TRANSISTOR CN2104 K1KA10AA0194 10P CONNECTOR Q5905 B1ABCF000176 TRANSISTOR CN2105 K1KA10BA0062 10P CONNECTOR Q5906 B1ABCF000176 TRANSISTOR CN4100 K1KA08AA0180 8P CONNECTOR Q7601...
  • Page 99 Safety Ref. No. Part No. Part Name & QTY Remarks Safety Ref. No. Part No. Part Name & QTY Remarks Description Description X7201 H0H169500013 CRYSTAL OSCILLA- ERJ3GEY0R00V 1/10W ERJ3GEYJ332V 3.3K 1/10W ERJ3GEYJ152V 1.5K 1/10W FL DISPLAY ERJ3GEYJ332V 3.3K 1/10W ERJ3GEYJ472V 4.7K 1/10W Z902...
  • Page 100 Safety Ref. No. Part No. Part Name & QTY Remarks Safety Ref. No. Part No. Part Name & QTY Remarks Description Description R993 ERJ3GEYJ680V 1/10W R2181 ERJ3GEYJ101V 1/10W R994 ERJ3GEYJ680V 1/10W R2182 ERJ3GEYJ104V 100K 1/10W D50EB/ EG-S R995 ERJ3GEYJ820V 1/10W R2183 ERJ3GEYJ101V 1/10W...
  • Page 101 Safety Ref. No. Part No. Part Name & QTY Remarks Safety Ref. No. Part No. Part Name & QTY Remarks Description Description R5915 ERJ3GEYJ824V 820K 1/10W F1H1E103A029 0.01uF R5916 ERJ3GEYJ100V 1/10W F1H1C183A041 0.018uF 16V R5917 ERJ3GEYJ222V 2.2K 1/10W F1H1H102A219 1000pF R5920 ERJ3GEYJ222V 2.2K...
  • Page 102 Safety Ref. No. Part No. Part Name & QTY Remarks Safety Ref. No. Part No. Part Name & QTY Remarks Description Description C2111 F1H1H221A004 220pF C4167 F2A0J101A030 100uF 6.3V C2112 F1H1H221A004 220pF C4168 F1H1C334A057 0.33uF C2113 F1H1H221A004 220pF C4169 F2A1E221A122 220uF C2115 F1H1H560A230...
  • Page 103 Safety Ref. No. Part No. Part Name & QTY Remarks Description C7614 F2A0J101A030 100uF 6.3V C7626 F1H1C104A041 0.1uF C7670 F1H1C104A041 0.1uF FLE1002...

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Rx-d45egRx-d50ebRx-d50eg

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