Panasonic SL-SV550GT Service Manual
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Panasonic SL-SV550GT Service Manual

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Please use this manual together with the service manual for Model
No. SL-SV550GK, Order No. AD0305109C3.
2003 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
1. Note
- This simplified service manual is provided to indicate the
differences between the original model No. SL-SV550GK-S and the
subsequent model No. SL-SV550GT-S.
2. Replacement Parts List
Note:
- Important safety notice:
Components identified by
mark have special characteristics
1
AD0311176A3
Portable CD Player
SL-SV550GT
Colour
(S)...........Silver Type

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Summary of Contents for Panasonic SL-SV550GT

  • Page 1 Unauthorized copying and distribution is a violation of law. 1. Note - This simplified service manual is provided to indicate the differences between the original model No. SL-SV550GK-S and the subsequent model No. SL-SV550GT-S. 2. Replacement Parts List Note: - Important safety notice:...
  • Page 2 When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list. - All parts are supplied by MESA. Ref.No. Change of Parts No. Part Name & Description Remarks SL-SV550GK-S SL-SV550GT-S Cabinet Parts RGN2464-H RGN2615-H NAME PLATE Accessory Parts N0JCCE000001 AC ADAPTOR...

  • Page 3: Specifications

    AD0305109C3 Portable CD Player SL-SV550GK Colour (S)..Silver Type SPECIFICATIONS...
  • Page 4 2003 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. Accessories - AC adaptor (N0JCCE000001)..........1 pc. - Stereo earphones (L0BAB0000173)...........1 pc. - Wired remote control (N2QCBD000011).........1 pc. 2. Location of Controls and Connection to Other Equipment 3.

  • Page 5: Handling Precautions For Traverse Deck

    Wavelength: 780 nm Maximum output radiation power from pick-up: 100 W/VDE Laser radiation from the pick-up lens is safety level, but be sure the followings: 1. Do not disassemble the optical pick-up unit, since radiation from exposed laser diode is dangerous. 2.
  • Page 6 4.2. Caution when replacing traverse deck The new traverse deck short-circuits by the short pin, the foil (B) and short lands to protect the laser diode against electrostatic breakdown. Be sure to replace to new one following procedures. 1. Remove the short pin from the FFC, and then connect it to the connector.

  • Page 7: Operation Checks And Component Replacement / Procedures

    Caution: The static electricity of your clothes will not be grounded through the wrist strap. So take care not to let your clothes touch the traverse deck (optical pick-up). 5. Operation Checks and Component Replacement / Procedures - This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.
  • Page 9 - Check the P.C.B. (A side) as shown below.
  • Page 10 5.1.2. Checking for the P.C.B. (B side) - Follow the (Step 1) - (Step 7) of item 5.1.1. - Check the P.C.B. (B side) as shown below. 5.2. Replacement for the LCD, CD lid and operation SW...
  • Page 11 - Follow the (Step 1) - (Step 5) of item 5.1.1.
  • Page 14 5.3. Replacement for the traverse motor - Follow the (Step 1) - (Step 4) of item 5.1.1. NOTE: Be sure to confirm the item 4 “Handling Precautions for Traverse Deck” before removing the traverse deck ass’y.
  • Page 16 5.4. Replacement for the optical pick-up - Follow the (Step 1) - (Step 4) of item 5.1.1. - Follow the (Step 1) - (Step 3) of item 5.3.
  • Page 18 5.5. Replacement for the rest switch - Follow the (Step 1) - (Step 4) of item 5.1.1. - Follow the (Step 1) , (Step 2) of item 5.3.

  • Page 19: Checking The Operation Problems On The Traverse Deck (Optical Pick-Up)

    6. Checking the Operation Problems on the Traverse Deck (Optical Pick-up) Make sure to follow the procedures below to check the operation problems of the traverse deck (optical pick-up) before replacing it. Replace the traverse deck only after the problem is identified. 6.1.

  • Page 20: Automatic Adjustment Results Display Function / (Self-Check Function)

    2. Press the skip button to check for normal skip search operation (in both the forward and reverse directions). 6.1.2. Checking manual search 1. Play an ordinary musical program disc. 2. Press the manual search button to check for smooth manual search operation at either low or high speed (in both the forward and reverse directions).
  • Page 21 <Example> Follow the below steps when E-1 is displayed. (Cause: Focus balance (FBC) is set beyond the limit.) - Check if 1. the waveform or voltage of the focus servo circuit is correct, and 2. the optical pick-up returns to the normal state by exchanging the traverse deck.

  • Page 22: Display Of Self-Diagnostic Function

    If any other disc than the test disc (SZZP1054C) is used, an error message may be displayed. This is not a malfunction. 8. Display of Self-Diagnostic Function This unit (SL-SV550) has self-diagnostic function. It may display below-mentioned on the LCD of this unit.
  • Page 23 Tuning, F.skip/search / ( / +) switch Memory/recall (MEMORY/RECALL) switch Volume control switch (VOL-) S10: Tuning mode selection (TUNING MODE) switch S11: Tuner on/band select (RADIO/BAND) switch S12: Play/pause ( ) switch S201: Laser ON/OFF switch in ON position / (It turns ON with disc holder closed.) S202: Rest detector switch in OFF position / (It turns ON when optical...
  • Page 24 : Positive voltage line : Main (CD, FM) signal line : FM signal line : CD Playback signal line - The voltage values and waveforms are the reference voltage of this measured by the DC electronic voltmeter (high impedance) and oscilloscope on the basis of GND terminal (DC IN jack).
  • Page 25 Put a conductive mat on the work table. Do not touch the legs of IC or LSI with the fingers directly. 9.1. Cautions in Repair exchange of the Diode (D1101, D1102) - When it is repaired, exchange the parts of D1101, D1102 together. - The service parts of Number (KV1450TL3-4) are supplied only.
  • Page 26 Function Terminal Name VREF Reference voltage output terminal TE IN Tracking error amplifier input terminal Tracking error amplifier output terminal FE IN Focus error amplifier input terminal Focus error amplifier output terminal GCTL Input for CD-RW FBAL Focus balance signal input terminal TBAL Tracking balance signal input...
  • Page 27 Function Terminal Name Serial communication starting signal output 13 TSENSE Serial communication data signal input/EEPROM data signal input/output EEPROM communication select signal 15 TDATA Serial communication data signal output TCLK Serial communication clock signal input Serial command latch output MCLK Serial command clock output 19 MDATA Serial command data output...
  • Page 28 Function Terminal Name Output for CD-RW Not used, open RF equalizer more than twice speed signal output Not used, open 47 CHGSEL2 Not used, connected to V resistor 48 RAMSEL Not used, open 49 CHGSEL Not used, connected to V resistor 50 PMSEL2 Not used, open...
  • Page 29 Function Terminal Name 1 DV Power supply terminal I/O Data 0-1 input/output terminal Write enable output terminal NRAS RAS control signal output terminal I/O Data 2-3 input/output terminal NCAS0 CAS control 0 signal output terminal NCAS1 CAS control 1 signal output terminal Addresses 8-4 output terminal Address 9 output terminal...
  • Page 30 Function Terminal Name Tracking error signal input terminal 34 RFENV RF envelope signal input terminal Off-track signal input terminal 36 NRFDET RF detection signal input terminal Dropout signal input terminal LDON Laser ON signal output terminal (H: ON) RF signal input terminal IREF Reference current input terminal 41 AD PV...
  • Page 31 Function Terminal Name 65 PWMSEL Connected to GND 66 SMCK System clock signal output 67 DMUTE Connected to GND STAT Status signal output terminal NRST Reset signal input terminal 70 SPPOL Spindle motor drive signal output terminal 71 PMCK Clock signal output 72 DQSW/ Not used, open NCLDCK...
  • Page 32 Function Terminal Name 31 DDON Power supply for varicap ON output 32 TMUTE Mute ON signal output Not used, open 34 TUNED Tuned condition signal input Serial communication starting signal input 36 SELECT1 Area select signal input GND4 38 OSC IN FM/AM OSC signal input Power supply terminal A phase comparator signal...

  • Page 33: Measurements And Adjustments

    15. Measurements and Adjustments 15.1. Tuner section Connect lead wire for test points FM IN and FM GND. / Refer to Fig. 15-1. (Refer to “Printed Circuit Board and Wiring Connection Diagram” about FM IN and FM GND.) Fig. 15-1. 15.1.1.

  • Page 34: Replacement Parts List

    4. Set AM-SG to 594 kHz. 5. Receive 594 kHz in the unit. 6. Adjust L1202 for maximum output. Refer to Fig. 15-3. Fig. 15-2. Fig. 15-3. 16. Replacement Parts List Notes: - Important safety notice: Components identified by mark have special characteristics important for safety.
  • Page 35 Ref. No. Part No. Part Name & Description Remarks RAE0240Z-M TRAVERSE DECK ASS'Y RMG0605-K1 FLOATING RUBBER RAF0240A OPTICAL PICK-UP RDG0554 GEAR 1 RDG0555 GEAR 2 RMQ1125-1 MOTOR HOLDER RMS0782 SHAFT XQN17+BG45 SCREW RXQ0971-3 MOTOR ASS'Y RGV0317-H1 KNOB,HOLD RJC93038-3 BATTERY TERMINAL RKS0376-A BOTTOM CABINET XTN17+6GFZ...
  • Page 36 Ref. No. Part No. Part Name & Description Remarks F1H1A105A028 10V 1U ECUVNA105ZFV 10V 1U F1H1A105A030 F3F0J226A001 6.3V 22U F1H1A105A028 10V 1U ECUVNH103KBV 50V 0.01U F1H1H103A748 ECUZNC104ZFV 16V 0.1U F1H1C1040008 ECUV1H391KBV 50V 390P ECJ1VB1H391K F2A0J102A130 6.3V 1000U ECJ1VB1H102K 50V 1000P ECUZNC104ZFV 16V 0.1U F1H1C1040008...
  • Page 37 Ref. No. Part No. Part Name & Description Remarks C1023 F1H1H220A230 50V 22P C1030 ECEA0GKS470 4V 47U C1032 ECUV1C105KBN 16V 1U F1J1C1050025 C1033 ECUV1H101JCV 50V 100P ECJ1VC1H101J C1034 ECUVNH103KBV 50V 0.01U F1H1H103A748 C1035 ECJ1VB1E223K 25V 0.022U C1036 F1H1H390A230 50V 39P C1037 ECUVNH103KBV 50V 0.01U...
  • Page 38 Ref. No. Part No. Part Name & Description Remarks C1322 ECUVNJ474KBV 6.3V 0.47U F1H0J474A002 C1333 ECUVNA105ZFV 10V 1U F1H1A105A030 C1350 ECJ1VB1C104K 16V 0.1U C1500 F3F0J106A007 6.3V 10U C1501 ECJ1VB1H562K 50V 5600P C1502,03 ECUZNC104ZFV 16V 0.1U F1H1C1040008 C1504 ECJ1VF1C474Z 16V 0.47U C1505 ECJ1VB1H562K 50V 5600P...
  • Page 39 L1-L4 RLBV252AV-Y COIL J0JBC0000019...
  • Page 40 Ref. No. Part No. Part Name & Description Remarks RLQU331KT-W COIL G1C331K00004 G1C101MA0035 COIL G1C101K00021 COIL L701-03 RLBV252AV-Y COIL J0JBC0000019 L1101 RLQM101NJT-W COIL G1CR10J00015 L1102 G5ZZ00000047 COIL L1103 RLQM101NJT-W COIL G1CR10J00015 L1156 RLQP68NMT2-Y COIL G1C68NM00003 L1157 RLQPR22KT2-Y COIL G1CR22KA0009 L1201 G2CBCB000017 COIL L1202...
  • Page 41 Ref. No. Part No. Part Name & Description Remarks QY16 UN5215TX TRANSISTOR UNR521500L QY903 UN5113TW TRANSISTOR QY904 UN5213TX TRANSISTOR UNR521300L D0YBR0000010 R3,R4 ERJ3GEYJ102V 1/16W 1K ERJ3GEYJ101 1/16W 100 D0GB101JA002 ERJ3GEYJ102V 1/16W 1K ERJ3RBD473 1/16W 47K ERJ3RBD683V 1/16W 68K ERJ3GEYJ104 1/16W 100K ERJ3GEYJ223V 1/16W 22K D0GB223JA002...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks R731 ERJ3GEYJ103V 1/16W 10K D0GB103JA002 R750,51 ERJ3GEYD153V 1/16W 15K D0HB153ZA002 R760,61 ERJ3GEYJ152V 1/16W 1.5K R905 ERJ3GEYJ333V 1/16W 33K D0GB333JA002 R1021 ERJ3GEYJ333V 1/16W 33K D0GB333JA002 R1022 ERJ3GEYJ104 1/16W 100K R1023,24 ERJ3GEYJ221V 1/16W 220 R1025 ERJ3GEYJ4R7V 1/16W 4.7...

  • Page 43: Cabinet Parts Location

    Ref. No. Part No. Part Name & Description Remarks RY906 ERJ3GEYJ470V 1/16W 47 RY910 ERJ3GEYD153V 1/16W 15K D0HB153ZA002 RY1368, / 69 ERJ3GEYJ102V 1/16W 1K S201 ESE11MV9T SW,LASER ON/OFF S202 K0L1BB000025 SW,REST DET. S310 RSS2A010-1A SW,HOLD K0D112B00071 VR1101 D3DA3304A002 VR,FM RF ADJ. X501 H2D169500026 OSCILLATOR...

  • Page 44: Traverse Unit Parts Location

    18. Traverse Unit Parts Location...
  • Page 45 19. Packaging...

  • Page 46: Schematic Diagram For Printing With Letter Size

    20. Schematic Diagram for printing with letter size F0305KH...
  • Page 47 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE Q1208 Q1201 UN5115TX 2SB815B7TX TUNER LINE SWITCHING(AM:ON) POWER SUPPLY R1202 1.7V (0V) 1.7V 1.7V 1.7V 1.7V Q1210 0.6V 1.6V 1.7V IC1008 2SK1067-4-TL 1.7V C0CBAAC00107 AM RF AMP (1.7V) REGULATOR L1202 1.7V D1201 L1201 KV1610STL2-0 C1207 L1102 470P...
  • Page 48 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE :MAIN(CD,FM) SIGNAL LINE OPERATION & LCD UNIT LCD1(L5AAAEB00046) LCD DISPLAY TP73 A B C D E F G H I J K L M N O P Q R S T U V 0.01 0.01 CN301 1.7V...
  • Page 49 :POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE VREF C111 0.022 (2.8V) (0V) (0V) (0V) (1.5V) (1.4V) (1.2V) (1.4V) (1.1V) (1.8V) (1.8V) (2.9V) (2.8V) (2V) (2.6V) 2.5V 2.7V 1.5V 1.4V 1.1V 1.3V 0.5V 1.8V 1.6V 2.8V 2.4V 2.8V PLAY PLAY IC101 PLAY 0.1V 50mV...
  • Page 50 R130 100K IC102 C0ABAA000068 OPE.AMP (1.5V) (1.5V) C101 1.5V 1.5V -INPUT +INPUT (1.6V) C106 (2.8V) 1.6V 2.8V OUT PUT R103 5.6K C107 Q303 UN5210TX INTERFACE (1.9V) 2.4V (0.9V) 1.9V 0.9V 2.4V (1.9V) 1.9V BUSY SEG10 (2.9V) 2.9V DOCTOR SEG11 0.6V (1.7V) 1.7V 0.6V...
  • Page 51 :POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE :FM SIGNAL LINE :MAIN(CD,FM) SIGNAL LINE 2.9V (2.9V) (1.2V) (1.2V) (1.2V) (1.2V) (2V) (2.6V) (0.5V) (1.1V) (1.1V) (2.9V) 2.9V 2.8V 0.1V 2.9V IC502 C3ABMB000027 16M DRAM 2.8V (1.4V) (1.8V) (2V) (2V) (2V) (2V) (2.6V) (1.2V) (1.1V)
  • Page 52 36 35 34 33 32 31 30 29 28 27 26 25 (2.6V) 2.6V SOFT (0.1V) SPRT 390P (0.5V) 0.5V RESET2 2.8V 2.8V (0V) IC11 OFF/START TRV- 0.01 2.8V 2.8V (0V) AN41506A-VB CD/TU TRV+ (2.9V) 2.9V (0.6V) POWER SUPPLY/ V MIC SPOUT MOTOR DRIVE V MIC IN...
  • Page 53 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE Q1208 UN5115TX SWITCHING(AM:ON) R1202 1.7V Q1210 0.6V 1.6V 1.7V 2SK1067-4-TL AM RF AMP L1202 1.7V D1201 L1201 C1207 KV1610STL2-0 470P 0.2V Q1012 C1110 Q1151 2SC4081 2SK1067-4-TL DC-DC CON STABILIZER D1011 R1205 R1160 R1151 R1022 12.3V MA8120MTX L1103...
  • Page 54 Q1201 2SB815B7TX TUNER LINE POWER SUPPLY 1.7V (0V) 1.7V 1.7V 1.7V IC1008 1.7V C0CBAAC00107 (1.7V) REGULATOR L1102 Vss V OUT V IN D1010 1.7V 2.8V MA147TX R1024 Q1012 R1201 4.7K 2SC4081STX DC-DC CONV. R1023 C1023 D1011 0.3V R1022 MA8120MTX 0.3V 100K 0.4V 0.4V...
  • Page 55 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE :MAIN(CD,FM) SIGNAL LINE 1.7V 1.7V Q1307 1.7V UN5214TX (1.5V) INTERFACE (0.5V) 1.5V 0.5V 21 20 1.5V (1.7V) 1.7V STOP 1.5V TUNED RY1369 1.7V (1.5V) 1.5V 1.5V 1.7V 1.5V SELECT1 16ms. 1.5V GND4 0.8V (0V) 1.5V 0.8V IC1301...
  • Page 56 OPERATION & LCD UNIT LCD1(L5AAAEB00046) LCD DISPLAY TP73 A B C D E F G H I J K L M N O P Q R S T U V 0.01 0.01 CN301 PLAY KEY RADIO KEY KEY2 (RADIO/ BAND) ,OPR OFF) 5.6K (TUNING MODE)
  • Page 57 C0CBAAB00039 C3ABMB000027 AN22003A-NF 32PIN AN41506A-VB 48PIN C0CBAAC00107 C1BB00000786 10PIN MN6627911AC1 80PIN XC61CN2102MR C0ZBZ0000515 16PIN C2BBGE000658 80PIN C1BB00000562 30PIN C2FBEB000002 64PIN No.1 No.1 C0ABAA000068 AK93C45BH-L XP1210TX XP152A12C0MR B1ADMB000003 UN5113TX 2SK1067-4-TL 2SB709ATX UN5114TX 2SK1958T1 2SB815B7TX UN5115TX 2SC3931CTX UN521LTX 2SC4081STX UN5213TX 2SD1819ASTX UN5214TX UN5210TX UN5215TX UN511MTX...
  • Page 59 L1202 L1201 D1201 C0ABAA000068 IC102 AN22003A-NF VREF FM GND FM IN COIL IC101 Q1210 SERVO AMP OPTICAL PICK-UP RF AMP Q1208 D1101 3TOUT SWITCH- RFENV 3TENV Q1202 D1102 OFTR OFTR OFTR SWITCH- Q201 Q1206 AGC RFEQ LASER SWITCH- POWER C1BB00000562 DRIVE RF AMP NRFDET...
  • Page 60 C0ZBZ0000515 NOTE : CD PLAYBACK SIGNAL LINE IC1500 : MAIN SIGNAL LINE TONE CONTROL : FM SIGNAL LINE (14) (13) (12) ) indicates pin No. Right channel. MN6627911AC1 IC501 SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR DIGITAL FILTER & D/A CONVERTER Vref SUPPLY +B10...
  • Page 61 Note: This printed circuit board diagram may be modified at any time with the development of new technology. OPERATION & LCD UNIT (SIDE:A) (SIDE:B) VREF S201 C507 QY14 C106 C116 QY12 SL101 DC IN 4.5V JK11 30 28 Q201 C112 C113 QY13 Q1304...
  • Page 62 :POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE R130 100K IC102 C0ABAA000068 OPE.AMP (1.5V) (1.5V) C101 1.5V 1.5V -INPUT +INPUT VREF C111 0.022 (1.6V) C106 (2.8V) 1.6V 2.8V OUT PUT R103 (2.8V) (0V) (0V) (0V) (1.5V) (1.4V) (1.2V) (1.4V) (1.1V) (1.8V) (1.8V) (2.9V) (2.8V)
  • Page 63 :POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE :FM SIGNAL LINE :MAIN(CD,FM) SIGNAL LINE 2.9V (2.9V) (1.2V) (1.2V) (1.2V) (1.2V) (2V) (2.6V) (0.5V) (1.1V) (1.1V) (2.9V) 2.9V 2.8V 0.1V 2.9V 36 35 34 33 32 31 30 29 28 27 26 25 IC502 C3ABMB000027 (2.6V)

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