Micro Component Audio System Model Name : MM-G25 Model Code : MM-G25T/XAP SERVICE Manual Micro Component Audio System CONTENTS 1. Precaution 2. Product Specification 3. Disassembly & Reassembly 4. Troubleshooting 5. Exploded View & Part List 6. PCB Diagram 7. Schematic Diagram MM-G25 Refer to the service manual in the GSPN (see the rear cover) for the more information.
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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...
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Diameter: 120 or 80 mm. Thickness: 1.2 mm Output power 60 Watts/CH RMS, IEC (total harmonic distortion: 10 %) Front Speaker (4Ω) AMPLIFIER Channel separation 60 dB Signal/noise ratio 70 dB Power Consumption GENERAL Dimensions 230 (D) x 154 (H) x 251 (W) mm Weight 2.2 Kg Samsung Electronics...
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Product Specification 2-2-2 MM-G25 Specifications Basic Specification Signal/noise ratio 62 dB Usable sensitivity 10 dB RADIO FM Total harmonic 0.4 % distortion Capacity 1 disc Frequency range 20 Hz - 20 KHz (± 1 dB) COMPACT Signal/noise ratio 90 dB (at 1 KHz) with filter DISC Distortion 0.1 % (at 1 KHz)
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Product Specification 2-3 Specifications Analysis Model Name MM-DG25 MM-G25 MM-DA25 Photo OUTPUT POWER 120W 120W 50 x 2 FRONT DISPLAY SLEEP DIMMER CD/DVD CD/DVD CD/DVD USB HOST VIDEO VIDEO CD RIPPING EQ/DSP ...
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Product Specification 2-4 Accessories 2-4-1 Supplied Accessories Accessories Item Item code Remark AH59-02147C Remote Control Samsung Service FM Antenna AH39-00320C Center AH68-02157L User's Manual AH68-02157Z Samsung Electronics...
1 and 5.2 megohms. If there is no return path, the measured resistance should be “infinite.” If the resistance is outside these limits, a shock hazard might exist. See Fig. 1-2. Samsung Electronics...
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. Use replacement components that have the same ratings, especially for flame resistance and dielectric strength specifications. A replacement part that does not have the same safety characteristics as the original might create shock, fire or other hazards. Samsung Electronics...
8. Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrument’s ground lead last. First read the “Safety Precautions” section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precautions. Samsung Electronics...
9. Minimize body motions when handing unpackaged replacement ESDs. Motions such as brushing clothes together, or lifting a foot from a carpeted floor can generate enough static electricity to damage an ESD. Samsung Electronics...
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Exploded View & Part List 5. Exploded View & Part List 5-1 Exploded View ..................5-2 5-2 Speaker System..................5-4 5-3 Electrical Part List ................5-5 Samsung Electronics This Document can not be used without Samsung’s authorization.
Exploded View & Part List 5-1 Exploded View AC080 AK170 BCW2 AC020 AC501 AL210 AK420 AC501 AS503 JCW2 AC010 AD480 This Document can not be used without Samsung’s authorization. Samsung Electronics...
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ASSY DECK;MAX-DG89,WITH DOOR,CABLE R BEN PCB-FRONT AH92-03027A ASSY PCB FRONT;MINI-DVD/CD,MM-DG25,ASSY PCB-MAIN AH92-03026C ASSY PCB MAIN;MINI-DVD,MM-DG25,South Ame PCB-MPEG AH92-03015A ASSY PCB DECK;MPEG,MAX-G25,DVD,- POWER CORD AC39-10200N CBF-POWER CORD;AT,US,EP2/Y,HOUSING(2P),1 6003-000275 SCREW-TAPTYPE;BH,+,-,B,M3,L10,ZPC(BLK),S 6003-001375 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(WHT),SW 6003-001464 SCREW-TAPTYPE;BH,+,B,M3,L10,ZPC(WHT) Samsung Electronics This Document can not be used without Samsung’s authorization.
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Exploded View & Part List 5-2 Speaker System Front Front Speaker (L) Speaker (R) Part List Loc. No. Code No. Description;Specification Q’ty Remark Front Speaker AH59-02136E SPEAKER SYSTEM-RCL;PS-G25,RCL,2.0CH (L/R) This Document can not be used without Samsung’s authorization. Samsung Electronics...
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2401-002042 C-AL;220uF,20%,10V,GP,TP,6.3x11,5 C28 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,160 DC7 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,160 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,160 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,160 DD2 0407-000123 DIODE-ARRAY;DAN202K,80V,100mA,CA2-3 DIC1 1003-001978 IC-MOTOR DRIVER;AM5766,HSOP28H,28P, 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,160 DR1 2007-000029 R-CHIP;0ohm,5%,1/8W,TP,2012 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,160 DR15 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 2401-002042 C-AL;220uF,20%,10V,GP,TP,6.3x11,5 Samsung Electronics This Document can not be used without Samsung’s authorization.
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2401-001952 C-AL;4.7uF,20%,50V,GP,TP,5x7mm,5mm MC51 2203-006361 C-CER,CHIP;10000nF,10%,10V,X5R,TP,2 KC12 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,16 MC52 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,160 KC13 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1 MC53 2203-000681 C-CER,CHIP;0.027nF,5%,50V,C0G,1608 MC54 2203-000681 C-CER,CHIP;0.027nF,5%,50V,C0G,1608 KC14 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,16 MC55 2203-005148 C-CER,CHIP;100nF,10%,16V,X7R,TP,160 KC15 2203-001126 C-CER,CHIP;0.68nF,10%,50V,X7R,1608 This Document can not be used without Samsung’s authorization. Samsung Electronics...
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2203-000280 C-CER,CHIP;0.01nF,0.5pF,50V,C0G,160 R13 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 VC9 2203-000280 C-CER,CHIP;0.01nF,0.5pF,50V,C0G,160 VD1 0403-000314 DIODE-ZENER;RLZJ9.1B,8.8-9.3V,500MW R14 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 VD2 0403-000314 DIODE-ZENER;RLZJ9.1B,8.8-9.3V,500MW R15 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 VD3 0403-000314 DIODE-ZENER;RLZJ9.1B,8.8-9.3V,500MW 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 VD4 0403-000314 DIODE-ZENER;RLZJ9.1B,8.8-9.3V,500MW Samsung Electronics This Document can not be used without Samsung’s authorization.
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2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,TP,160 1SQ02 0501-002409 TR-SMALL SIGNAL;KTC945B,NPN,625mW,T AC4 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 1SR02 2003-000994 R-METAL OXIDE(S);33Kohm,5%,2W,AF,TP 1SR03 2003-000994 R-METAL OXIDE(S);33Kohm,5%,2W,AF,TP AC40 2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,TP,160 1SR04 1404-001195 THERMISTOR-NTC;5.1ohm,3.84A,3000K,2 AC41 2203-005221 C-CER,CHIP;15nF,10%,50V,X7R,1608 1SR05 2001-001088 R-CARBON(S);1Kohm,5%,1/2W,AA,TP,2.4 AC42 2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,TP,160 This Document can not be used without Samsung’s authorization. Samsung Electronics...
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2203-000206 C-CER,CHIP;100nF,10%,50V,X7R,TP,201 C1P120 2203-005171 C-CER,CHIP;1000nF,10%,16V,X7R,2012 FC9 2203-005249 C-CER,CHIP;100nF,10%,50V,X7R,TP,160 C1P121 2203-000206 C-CER,CHIP;100nF,10%,50V,X7R,TP,201 FCW1 3708-000411 CONNECTOR-FPC/FFC/PIC;12P,1.25mm,ST C1P93 2202-000173 C-CERAMIC,MLC-AXIAL;1nF,10%,50V,Y5P FCW3 3708-000303 CONNECTOR-FPC/FFC/PIC;6P,1.25mm,STR FD1 0401-001099 DIODE-SWITCHING;1N4148WS,75V,150mA, C1P94 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 FD2 0401-001099 DIODE-SWITCHING;1N4148WS,75V,150mA, Samsung Electronics This Document can not be used without Samsung’s authorization.
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2007-000134 R-CHIP;33Kohm,5%,1/10W,TP,1608 Q1S02 H/S AH62-30122A HEAT SINK-POWER;1,AL,VO,T1.3,ANODIZ HR13 2001-000802 R-CARBON;5.6Kohm,5%,1/8W,AA,TP,1.8x Q1S90 0501-000341 TR-SMALL SIGNAL;KSC1623-L,NPN,200mW 2007-000078 R-CHIP;1Kohm,5%,1/10W,TP,1608 HR14 2001-000802 R-CARBON;5.6Kohm,5%,1/8W,AA,TP,1.8x R1P100 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3. HR15 2007-000124 R-CHIP;2.2Kohm,5%,1/10W,TP,1608 HR16 2007-000124 R-CHIP;2.2Kohm,5%,1/10W,TP,1608 R1P101 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 5-10 This Document can not be used without Samsung’s authorization. Samsung Electronics...
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2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 UB1 3301-001495 BEAD-SMD;120ohm,2012,2500mA,TP,115o UR38 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 UB3 3301-001495 BEAD-SMD;120ohm,2012,2500mA,TP,115o UB4 2007-000029 R-CHIP;0ohm,5%,1/8W,TP,2012 UR39 2007-000094 R-CHIP;22Kohm,5%,1/10W,TP,1608 UB5 3301-001495 BEAD-SMD;120ohm,2012,2500mA,TP,115o UR4 2001-000281 R-CARBON;100ohm,5%,1/8W,AA,TP,1.8x3 UB8 3301-001495 BEAD-SMD;120ohm,2012,2500mA,TP,115o UR40 2001-000290 R-CARBON;10Kohm,5%,1/8W,AA,TP,1.8x3 Samsung Electronics This Document can not be used without Samsung’s authorization. 5-11...
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0203-000007 TAPE-FILAMENT;T0.15,L55M,TRP 0.1 SNA BD1 0401-000005 DIODE-SWITCHING;1N4148,75V,150mA,DO 0203-001100 TAPE-OPP MASKING;OPP/W75/CLR,T0.05, 1.5 SNA BD3 0401-000005 DIODE-SWITCHING;1N4148,75V,150mA,DO 0203-001362 TAPE-DOUBLE FACE;#570 W10X50M CLR 0.1 SNA BD5 0401-000005 DIODE-SWITCHING;1N4148,75V,150mA,DO 0205-001366 GREASE-SILICON;T4110 1.4 SNA BR1 2001-000290 R-CARBON;10Kohm,5%,1/8W,AA,TP,1.8x3 Samsung Electronics This Document can not be used without Samsung’s authorization. 5-13...
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1.05 SNA AH98-00219P ASSY LABEL;-,MM-G25T/XAP,-,- 3809-001434 CABLE-FLAT;30V,80C,100MM,12P,1.25MM 3809-002301 CABLE-FLAT;30V,80C,100mm,27P,1.25mm AH63-01301A SHEET-SET;HT-Q40 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 LABEL-POP;MM-G25,NOEUR,RAINBOW,0.18 AH69-02459A CUSHION-R;MM-DG25,EPS,98,191.7,385, AH69-02460A CUSHION-L;MM-DG25,EPS,46,191.7,385, AC39-10200N CBF-POWER CORD;AT,US,EP2/Y,HOUSING( AH69-02602C CARTON-MARSTER;MM-DG25,PAPER,7,332, 1.02 SA AH96-00010A ASSY DECK;MAX-DG89,WITH DOOR,CABLE 5-14 This Document can not be used without Samsung’s authorization. Samsung Electronics...
- Assemble in the reverse order of disassembly. Part Name Description Description Photo CABINET- 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 remove it. Samsung Electronics...
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Disassembly & Reassembly Part Name Description Description Photo CABINET- Turn over the hook of CABINET- FRONT BOTTOM and separate ASSY- FRONT. FRONT-PCB Unfasten 5 screws. : BH,3*8,WHITE Samsung Electronics...
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Disassembly & Reassembly Part Name Description Description Photo MAIN-PCB 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> Samsung Electronics...
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Disassembly & Reassembly Part Name Description Description Photo MPEG-PCB 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>...
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Disassembly & Reassembly Part Name Description Description Photo CD-DECK Unfasten 3 screws on the CD-DECK. : BH,3*10,BLACK Samsung Electronics...
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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 Samsung Electronics This Document can not be used without Samsung’s authorization.
CD SIGNAL BUFFER TUNER TUNER SINGNAL DAIC2 PACK 4560 TAPE SINGNAL TAPE HA12237F DECK TAPE EQ PWM POWER REC-IN STAGE MIC_MIX FUNCTION FIC2 AIC1 FIC1 OPTION TDA8920 4560 R2S15904 This Document can not be used without Samsung’s authorization. Samsung Electronics...
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MAIN PCB FCW1 +VP: Pin 14) Pin 7, 9, 10 and 11 Check reset circuit in Replace X-TAL1, UQ1 parts MAIN PCB X-TAL1, UQ1 part ok? Refer to wave pattern image of Fig. 4-2. Replace MICOM IC Samsung Electronics...
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Check Pick up Lens Loading a long time? and Pick up Flat Cable Check MIC1 ZR36966 Check Servo Parts Check Micom communication line JCW1 Pin 6, 7, 8, 9 Refer to wave pattern image of Fig. 4-5. Samsung Electronics...
3. 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. Samsung Electronics 4-11...
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3. After step (2), you can see “TEST − −” on the VFD. Insert number “3”, “3” to select Region Code. TEST − − 4. After step (3), you can see “− −” on the VFD. Insert the Region Code corresponding model with − − “0 ~ 9” buttons on the remote control. 5. Turn the Power off. 4-12 Samsung Electronics...
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Troubleshooting Option Table-1 MM-G25 Area Remark Region Code Africa Brazil Middle Asia China (semi_mic) Europe Asia Britain Korea Latin American Mexico Philippines Russia (full_mic) Russia (semi_mic) Iran South Africa India Australia USA / Canada <Table 4-1> Samsung Electronics 4-13...
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Britain Korea Latin American Mexico Philippines Russia (full_mic) Full karaoke models which support midi file. Only models which supporting semi-karaoke not Russia (semi_mic) including midi file. Iran Malaysia South Africa India Australia USA / Canada <Table 4-2> 4-14 Samsung Electronics...