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Samsung MM-G25, Руководство по обслуживанию

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Contents

7.  Schematic Diagram

7-1  Overall Block Diagram .....................................................................................7-2
7-2  FRONT .............................................................................................................7-3
7-3  TAPE ................................................................................................................7-4
7-4  MAIN ................................................................................................................7-5
7-5  MPEG...............................................................................................................7-6
7-6  SMPS ...............................................................................................................7-7

Содержание MM-G25

Страница 1: ...G25T XAP Micro Component Audio System Refer to the service manual in the GSPN see the rear cover for the more information CONTENTS 1 Precaution 2 Product Specification 3 Disassembly Reassembly 4 Troubleshooting 5 Exploded View Part List 6 PCB Diagram 7 Schematic Diagram MM G25 ...

Страница 2: ...r domestic law GSPN Global Service Partner Network Area Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com Samsung Electronics Co Ltd Apr 2009 Printed in Korea ...

Страница 3: ... 1 Overall Disassembly Reassembly 3 1 4 Troubleshooting 4 1 Checkpoints by Error Mode 4 2 4 2 MICOM MPEG Initialization Update 4 11 4 3 Buyer Region Code Setting Method 4 12 5 Exploded View Part List 5 1 Exploded View 5 2 5 2 Speaker System 5 4 5 3 Electrical Part List 5 5 6 PCB Diagram 6 1 Wiring Diagram 6 2 6 2 FRONT PCB Top 6 3 6 3 FRONT PCB Bottom 6 5 6 4 TAPE PCB Top 6 6 6 5 TAPE PCB Bottom 6...

Страница 4: ...Contents 7 Schematic Diagram 7 1 Overall Block Diagram 7 2 7 2 FRONT 7 3 7 3 TAPE 7 4 7 4 MAIN 7 5 7 5 MPEG 7 6 7 6 SMPS 7 7 ...

Страница 5: ...DG25 Product Feature 120W Power 2 CH Powerful Sound Experience DVD USB Host w video playback Tuner Various Multimedia Playback DIVX MP3 WMA Photo Files 2 1 2 MM G25 Product Feature 120W Power 2 CH Powerful Sound Experience CD RIPPING USB Host w video playback Tuner Various Multimedia Playback MP3 WMA ...

Страница 6: ...LAYER Capacity 1 disc Frequency range 20 Hz 20 KHz 1 dB Signal noise ratio 90 dB at 1 KHz with filter Distortion 0 1 at 1 KHz Channel separation 75 dB Disc sizes Diameter 120 or 80 mm Thickness 1 2 mm AMPLIFIER Output power Front Speaker 4Ω 60 Watts CH RMS IEC total harmonic distortion 10 Channel separation 60 dB Signal noise ratio 70 dB GENERAL Power Consumption 35W Dimensions 230 D x 154 H x 251...

Страница 7: ...city 1 disc Frequency range 20 Hz 20 KHz 1 dB Signal noise ratio 90 dB at 1 KHz with filter Distortion 0 1 at 1 KHz Channel separation 75 dB Disc sizes Diameter 120 or 80 mm Thickness 1 2 mm AMPLIFIER Output power Front Speaker 4Ω 60 Watts CH RMS IEC total harmonic distortion 10 Channel separation 60 dB Signal noise ratio 70 dB GENERAL Power Consumption 35W Dimensions 230 D x 154 H x 251 W mm Weig...

Страница 8: ...oto OUTPUT POWER 120W 120W 50 x 2 FRONT DISPLAY VFD VFD VFD SLEEP DIMMER CD DVD CD DVD CD CD DVD MP3 USB HOST VIDEO VIDEO CD RIPPING X EQ DSP X AUDIO IN HEAD JACK MIC AM X X X FM RDS TUNER MEMORY 20 20 20 REMOTE KEY 60 Key 37 Key 60 Key UNIVERSAL DUAL VOLTAGE SPK IMPEDANCE 4Ω 4Ω 4Ω application X non application ...

Страница 9: ...ics 2 5 Product Specification 2 4 Accessories 2 4 1 Supplied Accessories Accessories Item Item code Remark Remote Control AH59 02147C Samsung Service Center FM Antenna AH39 00320C User s Manual AH68 02157L AH68 02157Z ...

Страница 10: ...2 6 Samsung Electronics MEMO ...

Страница 11: ...e Current for Appliances and Underwriters Laboratories UL Publication UL1410 59 7 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe etc and all exposed metal parts Examples Handle brackets metal cabinets screwheads and control sha...

Страница 12: ... AC power cord for damage Make sure that no wires or components touch thermally hot parts 9 Product Safety Notice Some electrical and mechanical parts have special safety related characteristics which might not be obvious from visual inspection These safety features and the protection they give might be lost if the replacement component differs from the original even if the replacement is rated fo...

Страница 13: ... been damaged 5 Check the insulation between the blades of the AC plug and accessible conductive parts examples metal panels input terminals and earphone jacks 6 Insulation Checking Procedure Disconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500V to the blades of the AC plug The insulation resistance between each blade of the AC plug a...

Страница 14: ...cumulation of electrostatic charge 4 Do not use freon propelled chemicals These can generate electrical charges that damage ESDs 5 Use only a grounded tip soldering iron when soldering or unsoldering ESDs 6 Use only an anti static solder removal device Many solder removal devices are not rated as anti static these can accumulate sufficient electrical charge to damage ESDs 7 Do not remove a replace...

Страница 15: ...ung Electronics 5 1 Exploded View Part List This Document can not be used without Samsung s authorization 5 Exploded View Part List 5 1 Exploded View 5 2 5 2 Speaker System 5 4 5 3 Electrical Part List 5 5 ...

Страница 16: ...5 2 Samsung Electronics Exploded View Part List This Document can not be used without Samsung s authorization 5 1 Exploded View JCW2 AC080 AK170 BCW2 AC501 AD480 AL210 AS503 AK420 AC010 AC020 AC501 ...

Страница 17: ...5 16 1 SA AK420 AH64 05044A KNOB VOLUME MM DG25 ABS PMMA 2 60 22 5 B 1 SA AL210 AH67 00542A LENS VOLUME MM DG25 ABS WHITE 34 5 2 9 M 1 SA AS503 AH63 01946A SHEET LENS MM G25 PET 0 05 31 31 BLACK 1 SA BCW2 AH39 20008M LEAD CONNECTOR ASSY 5264 5395 2P 150MM 1 1 SA JCW2 AH39 00291A LEAD CONNECTOR ASSY RCA300 1007 26 6P 15 1 SA MECHA AH96 00010A ASSY DECK MAX DG89 WITH DOOR CABLE R BEN 1 SA PCB FRONT ...

Страница 18: ...is Document can not be used without Samsung s authorization 5 2 Speaker System Part List Loc No Code No Description Specification Q ty SNA Remark Front Speaker L R AH59 02136E SPEAKER SYSTEM RCL PS G25 RCL 2 0CH 1 SA R L Front Speaker L Front Speaker R ...

Страница 19: ...100nF 10 16V X7R TP 160 1 SA C6 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA C7 2401 002042 C AL 220uF 20 10V GP TP 6 3x11 5 1 SA C8 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA C9 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA CN12 3708 001616 CONNECTOR FPC FFC PIC 9P 1mm STRAIG 1 SA DAC1 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA DAC10 2203 001607 C CER CHIP 0 22nF 5 ...

Страница 20: ... 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1 1 SA KC14 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 16 1 SA KC15 2203 001126 C CER CHIP 0 68nF 10 50V X7R 1608 1 SA KC16 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 16 1 SA KC17 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 16 1 SA KC18 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1 1 SA KC19 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 16 1 SA KC2 2203 000...

Страница 21: ...14 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 SA R15 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 SA R2 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 SA R3 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 SA R4 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 1 SA R5 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 1 SA R6 2007 000113 R CHIP 33ohm 5 1 10W TP 1608 1 SA R7 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 SA...

Страница 22: ...1SR02 2003 000994 R METAL OXIDE S 33Kohm 5 2W AF TP 1 SA 1SR03 2003 000994 R METAL OXIDE S 33Kohm 5 2W AF TP 1 SA 1SR04 1404 001195 THERMISTOR NTC 5 1ohm 3 84A 3000K 2 1 SA 1SR05 2001 001088 R CARBON S 1Kohm 5 1 2W AA TP 2 4 1 SA 1SR06 2001 001088 R CARBON S 1Kohm 5 1 2W AA TP 2 4 1 SA 1SR07 2001 001088 R CARBON S 1Kohm 5 1 2W AA TP 2 4 1 SA 1SR08 2007 000076 R CHIP 330ohm 5 1 10W TP 1608 1 SA 1SR...

Страница 23: ...ER CHIP 100nF 10 50V X7R TP 201 1 SA C1P93 2202 000173 C CERAMIC MLC AXIAL 1nF 10 50V Y5P 1 SA C1P94 2203 000440 C CER CHIP 1nF 10 50V X7R 1608 1 SA C1P95 2203 000206 C CER CHIP 100nF 10 50V X7R TP 201 1 SA C1P96 2203 000206 C CER CHIP 100nF 10 50V X7R TP 201 1 SA C1P97 2203 000206 C CER CHIP 100nF 10 50V X7R TP 201 1 SA C1P98 2203 002793 C CER CHIP 1000nF 80 20 25V Y5V 2 1 SA C1P99 2203 000206 C ...

Страница 24: ... SA HR14 2001 000802 R CARBON 5 6Kohm 5 1 8W AA TP 1 8x 1 SA HR15 2007 000124 R CHIP 2 2Kohm 5 1 10W TP 1608 1 SA HR16 2007 000124 R CHIP 2 2Kohm 5 1 10W TP 1608 1 SA HR17 2007 000124 R CHIP 2 2Kohm 5 1 10W TP 1608 1 SA HR18 2007 000124 R CHIP 2 2Kohm 5 1 10W TP 1608 1 SA HR19 2007 000102 R CHIP 100Kohm 5 1 10W TP 1608 1 SA HR20 2007 000102 R CHIP 100Kohm 5 1 10W TP 1608 1 SA HR21 2001 000449 R CA...

Страница 25: ...mA TP 115o 1 SA UB3 3301 001495 BEAD SMD 120ohm 2012 2500mA TP 115o 1 SA UB4 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 1 SA UB5 3301 001495 BEAD SMD 120ohm 2012 2500mA TP 115o 1 SA UB8 3301 001495 BEAD SMD 120ohm 2012 2500mA TP 115o 1 SA UB9 3301 000297 BEAD AXIAL 25ohm 3 6x1 2x5 7mm TP 1 SA UC1 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA UC10 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 ...

Страница 26: ... SA W144 3811 001868 WIRE NO SHEATH CU SnCuFe 52mm GRY 1 SA W145 3811 001868 WIRE NO SHEATH CU SnCuFe 52mm GRY 1 SA W146 3811 001868 WIRE NO SHEATH CU SnCuFe 52mm GRY 1 SA W147 3811 001868 WIRE NO SHEATH CU SnCuFe 52mm GRY 1 SA W148 3811 001868 WIRE NO SHEATH CU SnCuFe 52mm GRY 1 SA W149 3811 001868 WIRE NO SHEATH CU SnCuFe 52mm GRY 1 SA W150 3811 001868 WIRE NO SHEATH CU SnCuFe 52mm GRY 1 SA W151...

Страница 27: ...1R 2 5 1 SA BD1 0401 000005 DIODE SWITCHING 1N4148 75V 150mA DO 1 SA BD3 0401 000005 DIODE SWITCHING 1N4148 75V 150mA DO 1 SA BD5 0401 000005 DIODE SWITCHING 1N4148 75V 150mA DO 1 SA BR1 2001 000290 R CARBON 10Kohm 5 1 8W AA TP 1 8x3 1 SA BR10 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1 8x3 1 SA BR11 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1 8x3 1 SA BR12 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1...

Страница 28: ...AL USERS MM G25 XAP ENG MOJO80G 1 SA AH68 50254B LABEL SERIAL T0 1 L10 W45 SME SEHZ 1 05 SNA AH98 00219P ASSY LABEL MM G25T XAP 1 SNA 3809 001434 CABLE FLAT 30V 80C 100MM 12P 1 25MM 1 SA 3809 002301 CABLE FLAT 30V 80C 100mm 27P 1 25mm 1 SA AH63 01301A SHEET SET HT Q40 1 SNA AH68 00371A LABEL BAR CODE DVD 611 XAA MOJO2000 1 05 SNA AH68 01929G LABEL RATING HT A100 XTL SLIVER PET 1 05 SNA AH68 02189E...

Страница 29: ...e damaged Be sure to carefully read and understand the safety instructions before performing any work as the IC chips on the PCB are vulnerable to static electricity Assemble in the reverse order of disassembly No Part Name Description Description Photo 1 CABINET TOP 1 Unfasten 6 screws on the CABINET TOP side and the one in the middle BH 3 10 BLACK Be careful not to make any scratches as you remo...

Страница 30: ...msung Electronics Disassembly Reassembly No Part Name Description Description Photo 2 CABINET FRONT 1 Turn over the hook of CABINET BOTTOM and separate ASSY FRONT 3 FRONT PCB 1 Unfasten 5 screws BH 3 8 WHITE ...

Страница 31: ...assembly Reassembly No Part Name Description Description Photo 4 MAIN PCB 1 Unfasten 2 screws on the the CABINET BOTTOM and 4 screws on the MAIN PCB BH 3 10 BLACK 2EA BH 3 8 WHITE 4EA MM DG25 CABINET BOTTOM MM G25 CABINET BOTTOM ...

Страница 32: ...sembly No Part Name Description Description Photo 5 MPEG PCB 1 Unfasten the MM DG25 2 screws or MM G25 1 screw on the CABINET BOTTOM and 2 screws on the MPEG PCB BH 3 10 BLACK 2EA BH 3 8 WHITE 2EA MM DG25 CABINET BOTTOM MM G25 CABINET BOTTOM ...

Страница 33: ...Samsung Electronics 3 5 Disassembly Reassembly No Part Name Description Description Photo 6 CD DECK 1 Unfasten 3 screws on the CD DECK BH 3 10 BLACK ...

Страница 34: ...3 6 Samsung Electronics MEMO ...

Страница 35: ...lectronics 7 1 Schematic Diagram This Document can not be used without Samsung s authorization 7 Schematic Diagram 7 1 Overall Block Diagram 7 2 7 2 FRONT 7 3 7 3 TAPE 7 4 7 4 MAIN 7 5 7 5 MPEG 7 6 7 6 SMPS 7 7 ...

Страница 36: ...SINGNAL MIC LEVEL DETECT IN DAC_CE DAC_CLK DAC_DATA P MAST U ACK U TXD U RXD U STB MCLK BCLK TSDO LRCK CD SIGNAL CL 11 9 10 DI TUNER SINGNAL TAPE SINGNAL REC IN MIC OUT OPTION MAIN POWER 5V DVD 3 3V DVD 12V MOTOR 5V DIGITAL 12V SIGNAL 5 6V MICOM 4 3V VFD VFD VP DO1 CLK1 MIC_CLK MIC_DATA 24V_AMP 24V_AMP Main System MICOM control Function IC R2S15904 Turner pack Tape deck IC DIC1HA12237F CD DVD deck...

Страница 37: ...Samsung Electronics 7 3 Schematic Diagram This Document can not be used without Samsung s authorization 7 2 FRONT POWER ...

Страница 38: ...7 4 Samsung Electronics Schematic Diagram This Document can not be used without Samsung s authorization 7 3 TAPE POWER AUDIO ...

Страница 39: ...Samsung Electronics 7 5 Schematic Diagram This Document can not be used without Samsung s authorization 7 4 MAIN POWER AUDIO VIDEO TP3 TP1 TP2 TP1 TP3 TP2 TP3 ...

Страница 40: ...7 6 Samsung Electronics Schematic Diagram This Document can not be used without Samsung s authorization 7 5 MPEG POWER AUDIO VIDEO TP5 TP4 TP4 TP5 ...

Страница 41: ...Samsung Electronics 7 7 Schematic Diagram This Document can not be used without Samsung s authorization 7 6 SMPS POWER ...

Страница 42: ...7 8 Samsung Electronics MEMO ...

Страница 43: ...Diagram 6 PCB Diagram 6 1 Wiring Diagram 6 2 6 2 FRONT PCB Top 6 3 6 3 FRONT PCB Bottom 6 5 6 4 TAPE PCB Top 6 6 6 5 TAPE PCB Bottom 6 8 6 6 MAIN PCB Top 6 9 6 7 MAIN PCB Bottom 6 12 6 8 MPEG PCB Top 6 14 6 9 MPEG PCB Bottom 6 17 ...

Страница 44: ...K MICOM FRONT PCB FAN MOTOR VFD DISPLAY KEY LED REMOTE EYE VFD DRIVER 2P AMP TO FAN 16P CTRL EQ 17P CTRL EQ 9P power_supply 23P PICK UP 16P SCART 11P sled op cl 27P AUDIO SIGNAL MPEG CTRL MPEG PCB COMPONENT VIDEO AUDIO JACK DVD DECODER USB DECODER H P JACK AUX JACK MIC JACK PRE AMP ECHO USB JACK DVD DECK DVD PICK UP MOTOR SCART PCB SCART JACK ...

Страница 45: ...Samsung Electronics 6 3 PCB Diagram 2 1 3 6 2 FRONT PCB Top BCW1 BCW2 BCW3 ...

Страница 46: ...n 1 BCW2 KEY PCB Control Connector Pin No Signal 1 GND 2 A D 3 BCW1 FRONT PCB Control Connector Pin No Signal 1 GND 2 A D 3 VFD_CE 4 VFD_CLK 5 VFD_DT 6 REMOCON 7 5 6V 8 GND 9 VFD 10 VFD 11 VP 12 GND 2 BCW3 KEY PCB Control Connector Pin No Signal 1 GND 2 A D ...

Страница 47: ...Samsung Electronics 6 5 PCB Diagram 6 3 FRONT PCB Bottom IC1 BCW1 FVFD1 BCW3 BCW2 ...

Страница 48: ...6 6 Samsung Electronics PCB Diagram 6 4 TAPE PCB Top 1 3 2 JCON11 CON1 JCON10 ...

Страница 49: ...ND 4 PHOTO OUT 5 SOL 6 HALF SW 7 REC SW RVS 2 JCON10 TAPE DECK Control Signal Connector Pin No Signal 1 SOL 2 TAPE_MUTE 3 REC 4 REC M 5 MOTOR 6 HALL 7 A D3 8 A D4 9 MB 10 GND 11 12V 12 GND 13 REC R 14 REC L 15 OUT R 16 GND 17 OUT L 3 JCON11 TAPE DECK Motor Control Pin No Signal 1 P B L 2 R P L 3 P B R 4 R P R 5 E 6 E ...

Страница 50: ...6 8 Samsung Electronics PCB Diagram 6 5 TAPE PCB Bottom JCON11 IC3 CON1 JCON10 ...

Страница 51: ...Samsung Electronics 6 9 PCB Diagram 6 6 MAIN PCB Top 1 7 6 2 3 4 5 TP3 JCW3 JCW4 FCW3 FCW1 FCW2 VJ2 FCW4 AIC1 1SIC01 1SIC02 1SCN1 ...

Страница 52: ...6V 8 GND 9 VFD 10 VFD 11 VP 12 GND 3 JCW4 MPEG Power Pin No Signal 1 S12V 2 AGND 3 12V 4 GND 5 5V 6 3 3V 4 FCW3 MICOM Update Pin No Signal 1 GND 2 RST 3 DP0 4 DP1 5 DP2 6 NC 5 JCW3 MPEG PCB Connector Data Pin No Signal 1 AGND 2 CVBS 3 VGND 4 VGND 5 VGND 6 U_TXD 7 U ACK 8 U_STB 9 U_RXD 10 MRST 11 DACCLK 12 DACDT 13 DACCE 14 MIC_CLK 15 MIC_DATA 16 MIC_SENS 17 HP_SENS 18 P_CHK 19 AGND 20 MIC_SIGN 21 ...

Страница 53: ...Samsung Electronics 6 11 PCB Diagram 6 6 2 Test Point Wave Form TP3 ...

Страница 54: ...6 12 Samsung Electronics PCB Diagram 6 7 MAIN PCB Bottom TP1 TP2 TP3 JCW3 JCW4 FCW3 FCW1 FCW2 VJ2 FCW4 AIC1 FIC1 1SIC01 1SCN1 FIC2 HIC2 UIC1 ...

Страница 55: ...Samsung Electronics 6 13 PCB Diagram 6 7 1 Test Point Wave Form TP1 TP2 TP3 ...

Страница 56: ...6 14 Samsung Electronics PCB Diagram 6 8 MPEG PCB Top 1 3 2 4 TP4 TP5 DIC1 KIC1 MIC1 JCW2 JCW1 RFCON1 CN2 DEBUG MIC3C MIC3D MIC4 DAIC2 BIC1 MIC2 DAIC1 PIC1 ...

Страница 57: ... 12 D 13 A 14 E 15 F 16 Vcc 17 Vref 18 GND 19 DVD VR 20 PD 21 DVD LD 22 RFCON1 23 H Vcc 3 JCW2 MPEG Power Pin No Signal 1 S12V 2 AGND 3 12V 4 GND 5 5V 6 3 3V 4 JCW1 MPEG PCB Connector Data Pin No Signal 1 AGND 2 CVBS 3 VGND 4 VGND 5 VGND 6 U_TXD 7 U ACK 8 U_STB 9 U_RXD 10 MRST 11 DACCLK 12 DACDT 13 DACCE 14 MIC_CLK 15 MIC_DATA 16 MIC_SENS 17 HP_SENS 18 P_CHK 19 AGND 20 MIC_SIGN 21 HP_L 22 HP_R 23 ...

Страница 58: ...6 16 Samsung Electronics PCB Diagram 6 8 2 Test Point Wave Form TP4 TP5 ...

Страница 59: ...Samsung Electronics 6 17 PCB Diagram 6 9 MPEG PCB Bottom JCW1 RFCON1 CN2 ...

Страница 60: ...6 18 Samsung Electronics MEMO ...

Страница 61: ...Samsung Electronics 4 1 Troubleshooting 4 Troubleshooting 4 1 Checkpoints by Error Mode 4 2 4 2 MICOM MPEG Initialization Update 4 11 4 3 Buyer Region Code Setting Method 4 12 ...

Страница 62: ...01 1203 004520 Check MAIN PCB UIC1 Pin 3 5V High Yes Check VFD Voltage in MAIN PCB FCW1 Pin 7 9 10 and 11 Check MAIN PCB Q1P105 Pin 3 High No Yes No Replace IC1P101 1203 004520 Check or replace PT01 VP Pin 13 VP Pin 14 No Replace MICOM IC 2 Check reset circuit in MAIN PCB X TAL1 UQ1 part ok Yes Replace X TAL1 UQ1 parts No Refer to wave pattern image of Fig 4 1 Refer to wave pattern image of Fig 4 ...

Страница 63: ...Samsung Electronics 4 3 Troubleshooting MAIN page 7 5 FIC1 UIC1 MAIN PCB Bottom page 6 12 Fig 4 1 1 1 1 1 1 1 1 1 1 ...

Страница 64: ...4 4 Samsung Electronics Troubleshooting MAIN page 7 5 JCW3 FCW3 FCW2 FIC1 FIC2 HIC2 UIC1 MAIN PCB Bottom page 6 12 Fig 4 2 2 2 2 ...

Страница 65: ...mal FIC1 Pin 24 9V Check AUX signal input and signal pattern Check MICOM IC UIC1 Pin 44 Low Normal High Mute Yes No Yes No Yes No No Output Check MPEG PCB Replace AAIC1 Check MAIN PCB PT01 Pin 9 24V and Pin 10 24V Check SMPS stage All power source check Yes No Only CD DVD USB All function fail Input signal fail Input fine but output fail Refer to wave pattern image of Fig 4 3 1 and Fig 4 3 2 ...

Страница 66: ...4 6 Samsung Electronics Troubleshooting MAIN page 7 5 FCW4 AIC1 MAIN PCB Top page 6 9 Fig 4 3 1 1 1 1 ...

Страница 67: ...Samsung Electronics 4 7 Troubleshooting MAIN page 7 5 FIC1 FIC2 MAIN PCB Top page 6 9 Fig 4 3 2 2 2 2 ...

Страница 68: ...time Check reset voltage at Pin 52 of MIC1 Check MECHA 9P Flat Cable Check Pick up Lens and Pick up Flat Cable 1 Check 27MHz crystal of MX1 Check voltage JCW2 12V GND 12V GND 5V 3 3V Check Servo Parts 2 Check Micom communication line JCW1 Pin 6 7 8 9 Yes No Yes No Yes No No No Yes Yes No Check MIC1 ZR36966 Refer to wave pattern image of Fig 4 4 Refer to wave pattern image of Fig 4 5 ...

Страница 69: ...Samsung Electronics 4 9 Troubleshooting MPEG page 7 6 MIC1 JCW1 RFCON1 CN2 DEBUG MIC3C MIC3D MIC4 DAIC2 BIC1 MIC2 DAIC1 PIC1 MPEG PCB Top page 6 14 Fig 4 4 1 1 1 ...

Страница 70: ...4 10 Samsung Electronics Troubleshooting MPEG page 7 6 MIC1 JCW1 RFCON1 CN2 DEBUG MIC3C MIC3D MIC4 BIC1 MIC2 DAIC1 PIC1 MPEG PCB Top page 6 14 Fig 4 5 2 2 2 ...

Страница 71: ...DVD Model Osd shows update screen You have to make sure your update file is most recently version Then press ENTER to proceed CD Model VFD shows reading And update shows up and blinking Wait until MAIN set automatically power off MPEG Update 1 Copy MPEG update file to CD DVD USB 2 File name is DGTCXXXW bin 3 DVD Model Osd shows update screen You have to make sure your update file is most recently ...

Страница 72: ...ot working properly if you don t insert the region code The region code is inserted by the remote control 1 Press the AUX button on the remote control 2 Press the TUNER MEMORY button on the remote control during 4 5 seconds 3 After step 2 you can see TEST on the VFD Insert number 3 3 to select Region Code 4 After step 3 you can see on the VFD Insert the Region Code corresponding model with 0 9 but...

Страница 73: ... G25 Region Code Remark Africa 00 Brazil 01 Middle Asia 02 China semi_mic 03 Europe 04 Asia 05 Britain 06 Korea 07 Latin American 08 Mexico 09 Philippines 10 Russia full_mic 11 Russia semi_mic 12 Iran 13 South Africa 14 India 15 Australia 16 USA Canada 17 Table 4 1 ...

Страница 74: ... semi_mic 21 Europe 22 Asia 23 Thailand Britain 24 Korea 25 Latin American 26 Mexico 27 Philippines 28 Russia full_mic 29 Full karaoke models which support midi file Russia semi_mic 30 Only models which supporting semi karaoke not including midi file Iran 31 Malaysia South Africa 32 India 33 Australia 34 USA Canada 35 Table 4 2 ...

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