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Panasonic RX-D50EE Service Manual

Portable stereo cd system
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Notes: Please refer to the original service manual for:
• CD Mechanism Unit (DLS6F), Order No. PSG1002024AE
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attem pt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
TABLE OF CONTENTS
Panasonic'
Model No.
A
WARNING
IMPORTANT SAFETY NOTICE
Portable Stereo CD System
RX-D50EE
A

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Summary of Contents for Panasonic RX-D50EE

  • Page 1 Portable Stereo CD System RX-D50EE Model No. Notes: Please refer to the original service manual for: • CD Mechanism Unit (DLS6F), Order No. PSG1002024AE WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public.

  • Page 3: Safety Precautions

    1 Safety Precautions 1.1. General Guidelines 1.1.1. Leakage Current Cold Check 1.1.2. Leakage Current Hot Check...

  • Page 4: Before Repair And Adjustment

    1.2. Before Repair and Adjustment 1.3. Caution For Fuse Replacement 1.4. Protection Circuitry 1.5. Safety Part Information...
  • Page 5 2 Warning 2.1. Prevention of Electro Static Discharge (ESD) to Electrostatically Sensi­ tive (ES) Devices...

  • Page 6: Precaution Of Laser Diode

    2.2. Precaution of Laser Diode...

  • Page 7: Service Caution Based On Legal Restrictions

    2.3. Service caution based on Legal restrictions 2.3.1. General description about Lead Free Solder (PbF)
  • Page 8 2.4. Handling Precaution for Traverse Unit 2.4.1. Cautions to Be Taken in Handling the Optical Pickup Unit 2.4.2. Grounding for electrostatic breakdown prevention 2.4.2.1. Worktable grounding...
  • Page 9 2.4.2.2. Human body grounding...

  • Page 10: Service Navigation

    3 Service Navigation 3.1. Service Information...

  • Page 11: Specifications

    4 Specifications Mass Operating temperature range Operating humidity range Power consumption in standby mode: 0.8 W (approximate) ■ Amplifier Section RMS output power stereo mode Front (both channels driven) Total RMS stereo mode power ■ FM/AM Tuner, Terminal Section Frequency Modulation (FM) Frequency range Amplitude Modulation (AM) Frequency range...

  • Page 12: Location Of Controls And Components

    5 Location of Controls and Components 5.1. Main Unit and Remote Control Key Button Operations...

  • Page 13: Disc Information

    5.2. Disc Information • 0 - N O TE a b o u t using a D ualD isc N O TE on C Ds N O TE on MP3 L im itatio n s on M P3 play...

  • Page 14: Self Diagnostic And Doctor Mode Setting

    6 Self Diagnostic and Doctor Mode Setting 6.1. Self Diagnostic Mode 6.1.1. Self Diagnostic Table Item FL display Key operation Mode name Description 6.1.2. Self Diagnostic Error Code 1 (For CD) FL display Error Code Diagnostic Contents Description of error Remarks 6.1.3.

  • Page 15: Doctor Mode

    6.2. Doctor Mode 6.2.1. Doctor Mode Table 1 Item FL display Key operation Mode name Description t\ I \ I 4L С. И С ті I г...
  • Page 16 6.2.2. Doctor Mode Table 2 ГІ “ с п ГІ “ ГІ “ П U U U U U U 1 1 II II II II II 1 1 1 II II II II II 1 1 1 II II II II II 1 1 1 II II II II II 1 1 С...
  • Page 17 6.2.3. CD Loading Test Mode 6.2.4.
  • Page 18 CD Combination Test Mode 6.2.5.

  • Page 19: Service Fixture And Tools

    7 Service Fixture & Tools...

  • Page 20: Caution Note

    8 Disassembly and Assembly Instructions CAUTION NOTE: Please use original screws and at correct locations. Below shown is the part no. of different screw types used: О © : XTV3+10GFJ XTV3+8FFJ Ф XTW 3+10FFJ © : XTB26+10GFJ о RHDX03001 0 : X T V 3 + 1 6 G F J о...

  • Page 21: Disassembly Flow Chart

    8.1. Disassembly flow chart...

  • Page 22: Main Parts Location Diagram

    8.2. Main Parts Location Diagram...
  • Page 23 8.3. Disassembly of Top Cabinet Assembly...
  • Page 24 8.4. Disassembly of Music Port 8.5. Disassembly of Front Panel Assembly...
  • Page 25 8.6. Disassembly of Panel P.C.B., Standby P.C.B. and Volume P.C.B.
  • Page 26 8.7. Disassembly Woofer Speaker (SP1)
  • Page 27 8.8. Disassembly Woofer 8.9. Disassembly of CD Lid Speaker (SP2) О < s t e P 1 >...

  • Page 28: Disassembly Of Deck Mecha­ Nism Unit

    8.10. Disassembly of Deck Mecha­ nism Unit © f © x 3 А Л Ө...
  • Page 30 8.11. Disassembly of Deck P.C.B. 8.12. Disassembly of Cassette Lid...
  • Page 32 8.13. Disassembly of Mecha Bottom Cover...

  • Page 33: Disassembly Of Power P.c.b

    8.14. Disassembly of Power P.C.B.
  • Page 34 < S > A X < SteP 4)

  • Page 35: Disassembly Of Main P.c.b

    8.15. Disassembly of Main P.C.B.
  • Page 36 8.16. Replacement Transisor (Q4107) 8.16.1. Disassembly of Transistor (Q4107)
  • Page 37 8.16.2. Assembly of Transistor (Q4107)
  • Page 38 8.17. Replacement Power (IC4101) 8.17.1. Disassembly of Power IC (IC4101)
  • Page 39 8.17.2. Assembly of Power IC (IC4101)
  • Page 40 8.18. Disassembly of CD Mecha­ 8.19. Disassembly Servo nism Unit P.C.B.
  • Page 41 8.20. Disassembly Battery P.C.B.
  • Page 42 8.21. Disassembly Battery P.C.B.
  • Page 43 9 Disassembly and Assembly of Traverse Unit 9.1. Disassembling Procedures...

  • Page 44: Assembling Procedure

    9.2. Assembling Procedure...

  • Page 46: Service Position

    10 Service Position 10.1. Checking & Repairing Deck 10.2. Checking & Repairing Panel P.C.B. P.C.B.
  • Page 47 10.3. Checking & Repairing Power 10.4. Checking & Repairing Main P.C.B. P.C.B.
  • Page 49 10.5. Checking & Repairing Servo P.C.B.

  • Page 50: Measurements And Adjustments

    11 Measurements and Adjustments 11.1. Tuner Section Signal Generator or Sweep Generator Radio Dial Setting Indicator (Electronic Voltmeter Adjustment Remarks or Oscilloscope) (Shown in Fig.1) Connections Frequency Signal Generator or Sweep Generator Radio Dial Setting Indicator (Electronic Voltmeter Adjustment Remarks or Oscilloscope) (Shown in Fig.1) Connections...

  • Page 52: Deck Mechanism Section

    11.2. Deck Mechanism Section TEST TAPE INDICATOR (ELECTRONIC VOLTMETER ADJUSTMENT REMARKS or OSCILLOSCOPE) QZZCAB Headphone Jack (32П ) 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 53: Voltage Measurement & Waveform Chart

    RX-D50EE CD SERVO P.C.B.
  • Page 54 RX-D50EE MAIN P.C.B.
  • Page 55 RX-D50EE MAIN P.C.B. 12.4. DECK P.C.B. r e f n o RX-D50EE DECK P.C.B.
  • Page 56 RX-D50EE PANEL P.C.B. 12.6. POWER P.C.B. r e f n o r e f n o RX-D5 0EE POWER P.C.B.

  • Page 57: Waveform Chart

    12.7. Waveform Chart...

  • Page 58: Illustration Of Ic's, Transistors And Diodes

    13 Illustration of IC’s, Transistors and Diodes < ' ' ' ' ' ^ J x fi...

  • Page 59: Wiring Connection Diagram

    14 Wiring Connection Diagram...

  • Page 61: Schematic Diagram Notes

    15 Schematic Diagram Notes ■ FUSE CAUTION...

  • Page 63: Schematic Diagram

    16 Schematic Diagram 16.1. CD SERVO CIRCUIT A CD SERVO CIRCUIT...

  • Page 64: B Main Circuit

    16.2. MAIN CIRCUIT (1/6) B MAIN CIRCUIT u f y .
  • Page 65 16.3. MAIN CIRCUIT (2/6) B MAIN CIRCUIT...
  • Page 66 16.4. MAIN CIRCUIT (3/6) B MAIN CIRCUIT m±> b b e ^ о т в...
  • Page 67 16.5. MAIN CIRCUIT (4/6) B MAIN CIRCUIT...
  • Page 68 16.6. MAIN CIRCUIT (5/6) B MAIN CIRCUIT...
  • Page 69 16.7. MAIN CIRCUIT (6/6) B MAIN CIRCUIT...
  • Page 70 16.8. DECK CIRCUIT C DECK CIRCUIT O B I H...
  • Page 71 16.9. PANEL, VOLUME & STANDBY CIRCUIT D PANEL CIRCUIT ]> ^ t B IIII ]> VOLUME CIRCUIT 1---- J Е Ш Ш F STANDBY CIRCUIT...

  • Page 72: G Power Circuit

    16.10. POWER CIRCUIT G POWER CIRCUIT...
  • Page 73 16.11. BATTERY (1), BATTERY (2) & MUSIC PORT CIRCUIT H BATTERY (1) CIRCUIT I BATTERY (2) CIRCUIT OG H H I J MUSIC PORT CIRCUIT...
  • Page 74 17 Printed Circuit Board 17.1. CD SERVO & MUSIC PORT P.C.B. CD SERVO P.C.B. (REPN0636A) MUSIC PORT P.C.B. (REPNT0061EC)
  • Page 75 17.2 MAIN P.C.B. MAIN P.C.B. (REPNT0061EA)
  • Page 76 17.3. DECK, PANEL, VOLUME & STANDBY P.C.B. DECK P.C.B. (REPNT0061EB) PANEL P.C.B. (REPNT0062B) И Ц~~Л VOLUME P.C.B. (REPNT0062B) STANDBY P.C.B. (REPNT0062B)
  • Page 77 17.4. POWER, BATTERY (1) & BATTERY (2) P.C.B. POWER P.C.B. (REPNT0063E) BATTERY (1) P.C.B. (REPNT0063E) BATTERY (2) P.C.B. (REPNT0063E)

  • Page 79: Terminal Function Of Ic's

    18 Terminal Function of IC’s 18.1. IC7001 (MN6627954AMA) IC SERVO PROCESSOR Pin No. Mark Function Pin No. Mark Function...
  • Page 80 18.2. IC7002 (BA5948FPE2) IC 4CH Drive Pin No. Mark Function Pin No. Mark Function 18.3. IC2100 (RFKWMD45EG-W) MICRO PROCESSOR Pin No. Mark Function...
  • Page 81 Pin No. Mark Function...

  • Page 83: Exploded View And Replacement Parts List

    19 Exploded View and Replacement Parts List 19.1. Exploded View and Mechanical replacement Parts List 19.1.1. Cabinet Parts Location...
  • Page 84 к ^ Or г...
  • Page 85 19.1.2. Deck Mechanism Parts Location (RAA0948-N) Г...
  • Page 86 19.1.3. Packaging ^POLYFOAM (LEFT) *P2— POLYFOAM (RIGHT)
  • Page 87 19.1.4. Mechanical Repacement Parts List Important Safety Notice Components identified by mark have special characteristics important for safety. When replacing any o f these components, use only manufacturer's specified parts. Note: S a f e t y R e f . P a r t N o.
  • Page 88 S a f e t y R e f . P a r t N o. P a r t Name & Rem arks N o. D e s c r i p t i o n XTW3+10FFJ SCREW REXN0083 CABLE WIRE (MUSIC PORT-MAIN)

  • Page 89: Electrical Replacement Parts List

    19.2. Electrical Replacement Parts List Important Safety Notice Components identified by & mark have special characteristics important for safety. When replacing any o f these components, use only manufacturer's specified parts. RTL (Retention Time Limited) Note: S a f e t y R e f .
  • Page 90 S a f e t y R e f . P a r t N o. P a r t Name & QTY Rem arks S a f e t y R e f . P a r t N o. P a r t Name &...
  • Page 91 S a f e t y R e f . P a r t N o. P a r t Name & QTY Rem arks S a f e t y R e f . P a r t N o. P a r t Name &...
  • Page 92 S a f e t y R e f . P a r t N o . P a r t Name & QTY Rem arks S a f e t y R e f . P a r t N o. P a r t Name &...
  • Page 93 S a f e t y R e f . P a r t N o. P a r t Name & QTY Rem arks S a f e t y R e f . P a r t N o. P a r t Name &...
  • Page 94 S a f e t y R e f . P a r t N o. P a r t Name & QTY Rem arks S a f e t y R e f . P a r t N o. P a r t Name &...

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