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Samsung S-2400 Service Manual

Interior component system
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SERVICE
INTERIOR COMPONENT SYSTME
INTERIOR COMPONENT
SYSTEM
S-2400/2450
Manual
1. Alignment and Adjustments
6. PCB Diagrams
CONTENTS
Table of Contents
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Summary of Contents for Samsung S-2400

  • Page 1: Table Of Contents

    INTERIOR COMPONENT SYSTEM S-2400/2450 SERVICE Manual INTERIOR COMPONENT SYSTME CONTENTS 1. Alignment and Adjustments 2. Disassembly and Reassembly 3. Exploded Views and Parts List 4. Electrical Parts List 5. Block Diagrams 6. PCB Diagrams 7. Wiring Diagram 8. Schematic Diagrams 9.
  • Page 2 ELECTRONICS © Samsung Electronics Co.,Ltd. SEP. 2000 Printed in Korea Code no. AH68-00036D...

  • Page 3: Disassembly And Reassembly

    1. Remove 6 screws of B its rear part 2. Remove the connect wire of C,and remove Main-PCB ASS’Y to backward. 3. Remove 3 screws of A its rear part ,and remove CD-Mecha ASS’Y to backward. Fig 2-2 Samsung Electronics...
  • Page 4 2. Pull up Cabinet-Top Ass’y to frontward, and remove it Fig 2-3 2-4 CAP Front ASS’Y 1. Remove Tersey-Frame of C 2. Remove 2 screws of A (Deco-Front). 3. Remove 6 screws of B (Cap-Front). 4. Remove Cap-Front Ass’y to frontward. Fig 2-4 Samsung Electronics...

  • Page 5: Exploded Views And Parts List

    3.Exploded Views and Parts List CHARGE-PCB POWER-CORD POWER-PCB CD-PCB 21 22 MAIN-PCB ENCORDER-PCB(Only S2450) TUNER-PCB FRONT-PCB Samsung Electronics...
  • Page 6 3-1 Parts list Code No. Description Specification Remarks AH64-00318A DECORATION-CD(EXP);-,ABS,-,-,L/GRAY,-,S-2000 AH64-00319A DOOR—CD;-,PMMA,-,-,-,SMOKE,-,S-2000 AH64-00321A WINDOW—VFD;-,PMMA,-,-,SMOKE,-,S-2000 AH61-00209H CAP-FRONT;,MIPS,-,D/GRAY,-,S-2400/EXP S-2400 AH61-00209J CAP-FRONT;,MIPS,-,D/GRAY,-,S-2450/EXP S-2450 AH61-00209K CAP-FRONT;,MIPS,-,D/GRAY,-,S-2400/EXP S-2400(RDS) AH61-00209L CAP-FRONT;,MIPS,-,D/GRAY,-,S-2450/EXP S-2450(RDS) AH61-00220A SHAFT-GEAR;-,MBS PI4.0,-,142,-, ,S-2000 AH66-00062A GEAR-DOOR;,ABS,-,-,-, ,S-2000 AH67-00026A LENS—SOUND;-,-,PMMA,-,-,-,S-2000 AH64-00324A KNOB—SOUND;-,ABS,-,WHT,-,S-2000 AH64-00322A KNOB—PLAY;-,ABS,-,L/GRAY,-,S-2000 AH61-00214A HOLDER—VFD;-,ABS,-,BLK,-,S-2000...

  • Page 7: Electrical Parts List

    4. Electrical Parts List Location no. Code no. Description Specifiation Remarks Location no. Code no. Description Specifiation Remarks TJW42 2007-000033 R-CHIP 0ohm,5%,1/8W,DA,TP,3216 S-2400/2450 Parts List TR45 2007-000282 R-CHIP 100Kohm,5%,1/10W,DA,TP,2012 **** **** TR47 2007-000282 R-CHIP 100Kohm,5%,1/10W,DA,TP,2012 AH26-00077A TRANS-POWER 66*30 115/230V 50/60HZ...
  • Page 8 OPTION TR47 2007-000282 R-CHIP;100KOHM,5%,1/10W,DA,TP,2012 TR49 2007-000282 R-CHIP;100KOHM,5%,1/10W,DA,TP,2012 OIC1 AH14-10004R M74HCU04,SOP,TAPE,14P SR10 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 AH39-00023A LEAD CONNECTOR-ASS 51004-03,51004-03 SR13 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 0603-001051 POTIC TRANSMITTER TX178A SR14 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 2201-000381 C-CERAMIC,DISC 22nF,+80%,-20% 50V Y5V 8.0*4.0 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 2201-000483 C-CERAMIC,DISC 33pF,5%,50V,NPO,5x3.5mm,5mm,TP Samsung Electronics...
  • Page 9 3301-000353 CORE FERRITE BEAD BLM21A121SP,AB 2.0*1.25*0.9MM MJ90 2007-000033 R-CHIP 0ohm,5%,1/8W,DA,TP,3216 3301-000353 CORE FERRITE BEAD BLM21A121SP,AB 2.0*1.25*0.9MM MJ91 2007-000033 R-CHIP 0ohm,5%,1/8W,DA,TP,3216 3301-000353 CORE FERRITE BEAD BLM21A121SP,AB 2.0*1.25*0.9MM AR18 2007-000282 R-CHIP 100Kohm,5%,1/10W,DA,TP,2012 JR17 2007-000282 R-CHIP 100Kohm,5%,1/10W,DA,TP,2012 JR20 2007-000282 R-CHIP 100Kohm,5%,1/10W,DA,TP,2012 Samsung Electronics...
  • Page 10 2401-001022 C-AL 3.3UF,20%,50V,SME,5*11,5MM,TP 2001-001077 R-CARBON(S) 150ohm,5%,1/2W,AA,TP,2.4x6.4mm AC41 2401-001465 C-AL 47uF,20%,10V,GP,5*11,5mm,TP 2003-000542 R-METAL OXIDE(S) 1ohm,5%,1W,AA,TP,3.3x9mm AC43 2401-001465 C-AL 47uF,20%,10V,GP,5*11,5mm,TP 2003-001021 R-METAL OXIDE(S) 1.3OHM,5%,1W,S-2400 AC48 2401-001572 C-AL 47uF,20%,50V,GP,6.3*11,5MM,TP BJW5 2007-000033 R-CHIP 0ohm,5%,1/8W,DA,TP,3216 AC66 2401-001889 C-AL 100nF,20%,50V,GP,5*11,5mm,TP BJW6 2007-000033 R-CHIP 0ohm,5%,1/8W,DA,TP,3216 JC16 2401-001895 C-AL 100uF,20%,16V,GP,6.3*11,5MM,TP...
  • Page 11 DIODE-SWITCHING 1N4148,100V,200mA,500mW,4nS AUD4 0401-000101 DIODE-SWITCHING 1N4148,100V,200mA,500mW,4nS AH92-00600A ASSY-PCB-JACK ONLY S2450 AUD5 0401-000101 DIODE-SWITCHING 1N4148,100V,200mA,500mW,4nS TD11 0401-000101 DIODE-SWITCHING 1N4148,100V,200mA,500mW,4nS AH39-00195A LEAD-CONNECTOR 2547#38,200MM,S-2400 TD12 0401-000101 DIODE-SWITCHING 1N4148,100V,200mA,500mW,4nS EIC1 1201-000163 IC-OP AMP 4560,SOP,8P,150MIL,DUAL,100V/m 0401-000101 DIODE-SWITCHING 1N4148,100V,200mA,500mW,4nS ER4R 2001-000008 R-CARBON 15Kohm,5%,1/8W,AA,TP,1.8x3.2mm 0401-000101 DIODE-SWITCHING 1N4148,100V,200mA,500mW,4nS...
  • Page 12 1Kohm,5%,1/10W,DA,TP,2012 AH97-00228A ASSY-CD PACK G3SLIM,-,S2400,NEW 2007-000468 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 UR59 2007-000468 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 AH59-00038A CD-DECK DA23 S2000 UR60 2007-000468 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 AH92-00249A ASSY-PCB-CD G3SLIM,S-2400 UR72 2007-000468 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 NZD1 0403-000358 DIODE-ZENER UZ5.6BSB,5.6V,5.46-5.7V,500 2007-000468 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 NQ100 0501-000314 TR-SMALL SIGNAL KSA812,PNP,-60V,-50V,-100mA UR62...
  • Page 13 0401-000101 DIODE-SWITCHING 1N4148,100V,200mA,500mW,4nS NZD1 0403-000361 DIODE-ZENER UZ6.2BSB,6.2V,5.99-6.24V,50 NTR1 0501-000610 TR-SMALL SIGNAL KSA928A,PNP,-30V,-30V,-2A,1W NR12 2001-000319 R-CARBON 120Kohm,5%,1/8W,AA,TP,1.8x3.2m 2001-000429 R-CARBON 1Kohm,5%,1/8W,AA,TP,1.8x3.2mm NR13 2001-000429 R-CARBON 1Kohm,5%,1/8W,AA,TP,1.8x3.2mm NR3-10 2001-000429 R-CARBON 1Kohm,5%,1/8W,AA,TP,1.8x3.2mm NR14 2001-000527 R-CARBON 22ohm,5%,1/8W,AA,TP,1.8x3.2mm NFR1 2008-000140 R-FUSIBLE 2.2ohm,5%,1/2W,AA,TP,3.5x9.4mm 2202-000797 C-CERAMIC,MLC-AXIAL 10nF,30%,16V,Y5R,3.5x19mm,-,TP Samsung Electronics...

  • Page 14: Block Diagrams

    5. Block Diagram 5-1 Main Samsung Electronics...
  • Page 15 NIC9223 KB9223 69.70 65.66. P/U IN 36.37.38 25.26.30 LIMIT S/W 67.68 33.30 29.25 22.24.23 ASSP NIC 9223 KB9223 35.36.37 OPEN/CLOSE MOTOR NIC3 NC05 NC01 MOTOR CONTROL SENSOR MICOM CTRL LINE POWER / AUDIO LINE MAIN PCB MAIN PCB Samsung Electronics...
  • Page 16 6. Printed Circuit Board Diagram 6-1 FRONT 6-3 Open/Close PCB 6-2 Headphone PCB Samsung Electronics...
  • Page 17 6-4 Jack PCB 6-5 Motor PCB 6-6 POWER(S-2400/2450) Samsung Electronics...
  • Page 18 6-7 MAIN Samsung Electronics...
  • Page 19 6-8 CD 6-9 MP3 Charge/MP3 Jack Samsung Electronics...
  • Page 20 6-10 Adapter/Batt-Sense 6-11 ENCODER Samsung Electronics...
  • Page 21 ENCODER PCB DIAGRAM (only S2450 Model)
  • Page 22 ENCODER PCB DIAGRAM (only S2450 Model)

  • Page 23: Wiring Diagram

    7. Wiring Diagram (Optical Output Option) Samsung Electronics...

  • Page 24: Schematic Diagrams

    8. Schematic Diagram 8-1 Main Part Samsung Electronics...
  • Page 25 8-2 CD Samsung Electronics...
  • Page 26 8-3 ENCODER Samsung Electronics...
  • Page 27 ENCODER SCHEMATIC DIAGRAM (only S2450 Model)
  • Page 28 ENCODER SCHEMATIC DIAGRAM (only S2450 Model)

  • Page 29: Troubleshooting

    ? FCW1-WIRE/AD18,AZD3 oscillate ? (pin 92 ; 5.0V) Replace µ-com Check the Main PCB Check the UIC1 : Replace AZD4,5,6 AZD4,6/AZD5 : 25V pin 51 Vp (-23.5V) normal ? Replace µ-com Check the connector FRONT /MAIN PCB(FCW1/FCW2) Samsung Electronics...
  • Page 30 Connector inserted Reinsert the connector correctly? Check Main-PCB Front PCB Check voltage : AC 2.6V connection and the voltage of at FRONT-PCB FLT? FCW2, pins2,3(AC 2.6V) Check voltage at UIC1 Check the voltage of AZD4,6(-25V) pin 51(-25V) Replace UIC1(LC866XXX) Samsung Electronics...
  • Page 31 Is mute selected ? Restore sound with remocon Check the MCON5/CABLE-WIRE Check the JIC1(TDA7440D) B+ of Function-IC Replace JIC1(TDA7440D) FRONT PCB µ-com pins 2 Check the AQ1,3,4 Replace µ-com Check the "H" Check if the output line is short. Samsung Electronics...
  • Page 32 -Check pin #74,#75 of KB9223 -Check NC125(472) Is FOK "H"? -Check pin #73,#75,#76 of KS9286 -Check pin #23,#24,#25 of KB9223 Does Disc rotate ? -Check pin #46 of KB9223(SPDLD) -Check pin #17,#18 of KA9258 -Check Spindle Motor of CD DECK Next Page Samsung Electronics...
  • Page 33 Check Parts NC110,NC90,NC89 Check Parts NC123(105Z),NC124(472K), Signal of RFO is properly NC125(472K),NR125(472J), NR126(183J) (#74,#75,#76,#77) -Check pin #53,#54,#50,#49 of KB9223 -Check pin #58,#59 of KB9223 Does it read Disc ? -Check pin #26,#27 of KA9258 Change IC Change CD Deck Samsung Electronics...
  • Page 34 Batterise Spec pole side from the new batteries Batt-Sense of BQ10 ? by 5 mm using a knife before charging them Check collector(B+) for A614 Replace A614 of BQ1 Check condition of BQ2 of BQ1 ? Samsung Electronics...
  • Page 35 Vcc of AQ1 ? B+ of AUIC5 ? AUIC3,AUIC4 ? Check connction for Flat-Cable Check High for pin3,6,20 from FCW1 to MCON5. of AUIC3 ? Check oscillation(24MHz) of Replace AUX1 AUX1 ? Check circuit of AUIC3,AUIC4 Replace AUIC3,AUIC4 and short Samsung Electronics...
  • Page 36 Check condition for OP Amp of EIC1 EQ2(R2003) = Low ZD of EZD1 ? Check connction for Replace BCN5 Connect-Wire of BCN5 Recheck "No Play" of section previeous page. Check memory of SMC-Card Delete MP3 file of SMC-Card Replace Encoder- Pack Samsung Electronics...

  • Page 37: Ic Internal Diagram

    A data to B bus isolation high level L low level X irrelevant TRI-STATE is a registered trademark of National Semiconductor Corp C 1996 National Semiconductor Corporation http www national com TL F 5366 RRD-B30M86 Printed in U S A Samsung Electronics 10-1...
  • Page 38 Note 2 Unless otherwise specified all voltages are referenced to ground Note 3 Power Dissipation temperature derating plastic ‘‘N’’ package 12 mW C from 65 C to 85 C Note 4 Measured per input All other inputs at V or ground 10-2 Samsung Electronics...
  • Page 39 Rise and Fall Time Maximum Input Capacitance Maximum Output Input Capacitance Power Dissipation (Note 5) G Capacitance Note 5 C determines the no load power consumption P and the no load dynamic current consumption I http www national com Samsung Electronics 10-3...
  • Page 40 4) Low distortion (THD = 0.002% Typ.). 2) High common-mode rejection ratio 5) Two channels. (57dB typ. at f = 1kHz). 3) Low noise (V = 3.5µVrms Typ.). FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 10-4 Samsung Electronics...
  • Page 41 IC Internal Diagram Audio ICs BA3121 / BA3121F / BA3121N FBlock diagrams Samsung Electronics 10-5...
  • Page 42 IC Internal Diagram Audio ICs BA3121 / BA3121F / BA3121N FElectrical characteristics (unless otherwise noted, Ta = 25_C, V = 12V, f = 1kHz, R = 1.8kΩ) 10-6 Samsung Electronics...
  • Page 43 Fast Charge Top-Off Maintenance ✔ C/32 C/64 0.5 ∗ V ✔ bq2002 None None C/16 C/64 ✔ None C/32 ✔ C/32 C/64 bq2002F 0.5 ∗ V ✔ None None C/16 C/64 ✔ None C/32 SLUS131–JANUARY 1999 D Samsung Electronics 10-7...
  • Page 44 V CC PACK + V CC bq2002/F bq2002/F V SS V SS BAT pin connection Mid-level Thermistor connection setting for TM NTC = negative temperature coefficient thermistor. Fg2002/F01.eps Figure 1. Voltage and Temperature Monitoring and TM Pin Configuration 10-8 Samsung Electronics...
  • Page 45 Figure 2. State Diagram Clock Phase Generator Sample Timing Voltage History Control Reference A to D PVD, -∆V Converter Charge-Control State Machine Check Power-On Power Reset Down Check V CC V SS Bd2002f.eps Figure 3. Block Diagram Samsung Electronics 10-9...
  • Page 46 FFeatures 1) Low current. 4) DSB demodulation (digital PLL). 2) Two-stage anti-aliasing filter (LPF). 5) Quality indication output for demodulated data. 3) 57kHz band-pass filter. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 10-10 Samsung Electronics...
  • Page 47 IC Internal Diagram Audio ICs BU1923 / BU1923F FBlock diagram Samsung Electronics 10-11...
  • Page 48 IC Internal Diagram Audio ICs BU1923 / BU1923F FPin descriptions FInput / output circuits 10-12 Samsung Electronics...

  • Page 49: Specifications

    Pd max Operating temperature Topr –20 to + 70 °C Storage temperature Tstg –40 to +125 °C Operating Conditions at Ta = 25°C Parameter Symbol Conditions Ratings Unit Recommended supply voltage Operating voltage range 7 to 11 Samsung Electronics 10-13...
  • Page 50 80 dBµ, no modulation. The pin 13 output mVrms IFBuff-AM ST-IF output 80 dBµ, no modulation. The pin 7 output mVrms STIF-AM S-meter output 0 dBµ, no modulation. SM-AM Pd max – Ta Ambient temperature, Ta – °C No. 5688-2/9 10-14 Samsung Electronics...
  • Page 51 IC Internal Diagram LA1837 Block Diagram 3 rd 5 th DECODER ANTI-BIRDIE Test Circuit Diagram No. 5688-3/9 Samsung Electronics 10-15...
  • Page 52 FS1 to TM to BAL1 to PS1 to GA1 to Equalizer SPDL- BAL5 Spindle Servo LPF (Double Speed) SMDP SMON SMEF Comparator FSET MIRROR MIRROR DETECTION CIRCUIT Defect Dectection Built-in Post Filter Amp (L&R) Circuit FOK DETECTION CIRCUIT 10-16 Samsung Electronics...
  • Page 53 SRAM SMEF DIGITAL SMON SMDP SERVO SMSD LOCK X-TAL XOUT TIMING INTERPOLATOR GENERATOR LRCHO ADATAO BCKO MDAT TRACK BCKI INTERFACE COUNTER DIGITAL ADATAI FILTER LRCHI TRCNT & DE-EMPH EMPH /ISTAT VREFL1 MODE DIGITAL CONVERTER SELECTOR OUTPUT VREFH1 Samsung Electronics 10-17...
  • Page 54 10-9 LC72131 ; HIC1 18 PD PHASE DETECTOR REFERENCE CHARGE PUMP DIVIDER XOUT 19 AIN FMIN SWALLOW COUNTER UNLOCK 1/16, 1/17 4D1ts 20 ADUT DETECTOR 12bita PROGRAMMABLE AMIN DIVIDER DATA SHIFT REGISTER UNIVERSAL 12 IFIN LATCH COUNTER P0WER RESET 10-18 Samsung Electronics...
  • Page 55 IC Internal Diagram 10-10 TA8207K ; AIC1 B.S.1 OUT-1 DIAS CIACUIT RIPPLB THERMAL SHUT DOWN PROTECTION CIRCUIT OUT-2 B.S.2 Samsung Electronics 10-19...
  • Page 56 IC Internal Diagram 10-11 TDA7440D ; JIC1 10-20 Samsung Electronics...
  • Page 57 A/D P12-2 A/D P12-3 XT0(GND) A/D P12-4 A/D P12-5 A/D P12-6 OSC0 A/D P12-7 OSCI P7-0 P11-0 P7-1 P11-1 P11-2 P7-2 P11-3 P7-4 P11-6 P7-5 P11-7 P10-0 P3-1 P10-1 DATA OUT P3-2 P10-2 DATA IN P3-3 P10-3 Samsung Electronics 10-21...
  • Page 58 VDD3 VFD 5V SQDT SUBQ DATA IN S 16 VFD SEG18 TUNER SQCK SUBQ DATA IN CLK VFD SEG17 TUNER PCTL P-SOUND ON/OFF VFD SEG16 TUNER SDADA SYTEM DATA I/O VFD SEG15 12/24 HR SCLOCK SYSTEM CLOCK 10-22 Samsung Electronics...

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S-2450

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