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LAYOUT  DIAGRAM - AMP BOARD

Summary of Contents for MCD 728

Page 1: ...ormation about lead free soldering 1 2 Technical specification 2 1 Service tools 2 1 Service measurement setup 2 2 Connections and controls 3 1 3 4 Disassembly diagram 4 1 4 2 Software version and upgrading 5 1 Set block diagram 5 2 Set wiring diagram 5 3 VFD BOARD circuit diagram 6 1 layout diagram 6 2 TUNER BOARD circuit diagram 7 1 layout diagram 7 2 AMP BOARD circuit diagram 8 1 layout diagram...

Page 2: ...1 1 HANDLING CHIP COMPONENTS ...

Page 3: ...1 2 ...

Page 4: ...ht 2 3 kg AMPLIFIER Rated output power THD 10 2x75W 4Ω 150W 8Ω Frequency response 100Hz 20kHz 0 5 2 dB S N Ratio 60dB Loaded impedance 4 Ω Dimensions 232 W x 75 5 H x 223 5 D mm Weight 4 35 kg TUNER FM Frequency range 87 5 108 MHz FM Noise limit sensitivity 20µV M FM S N 46dB SPEAKER Front Speakers Impedance 4 Ω Input power 75W Sensitivity 80 4dB Frequency response 80Hz 16kHz Dimensions 150 W x 32...

Page 5: ...2 2 ...

Page 6: ...the capabilities of your TV Connect the DVD system directly to the TV A SCART connection allows you to use features both Audio and Video features on the DVD Player Using SCART jack AUDIO IN S VIDEO IN VIDEO IN TV IN AUDIO IN S VIDEO IN VIDEO IN TV IN Use the SCART cable black to connect the DVD Player s SCART jack to the corresponding Scart input jacks on the TV cable not supplied Note Ensure that...

Page 7: ...ve Scan feature Note If your TV does not support Progressive Scan you will not be able to view the picture Press SYSTEM MENU on the remote to exit the system menu and then DISC and 1 to exit progressive scan Using S Video jack IMPORTANT If S Video is used for DVD playback connection the system s VIDEO OUT setting will need to be changed accordingly 1 Use an S Video cable not supplied to connect th...

Page 8: ...ding DVDs B Connect one of the system s VIDEO jack to the corresponding VIDEO IN jack and AUDIO OUT L R jacks to the AUDIO IN jacks on the VCR This will allow you to make analogue stereo two channel right and left recordings Recording digital C Connect the system s COAXIAL or OPTICAL jack to the DIGITAL IN jack on a digital recording device Before star ting operation set the DIGITAL OUT according ...

Page 9: ...VOLUME adjusts the volume upward downward adjusts the hours and minutes in clock timer setting mode switches the set timer ON or OFF 1 5 7 7 2 8 9 0 3 4 6 2 1 4 8 7 0 º 3 5 9 ª 6 Remote control 1 STANDBY B switches on the system or puts it on to Eco power normal standby mode 2 0 opens or closes the disc compartment 3 DISC TUNER AUX selects the respective sound source for DVD AUX TUNER exits P SCAN...

Page 10: ...BTITLE selects a subtitle language SLEEP TIMER Standby mode sets time for switching on the system automatically Power on mode sets the sleep timer function auto off CLOCK Standby mode sets the system clock Playback mode displays the system clock Eco power mode displays the system clock and switches to the standby mode DBB to select the desired DBB level DBB 1 DBB 2 or DBB OFF DSC selects different...

Page 11: ...pcs and M3x8 3pcs C remove screws M3x8 4pcs and T3x4 2pcs D Remove Back Panel Top cover D remove screws T3x4 5pcs and T3x6 5pcs and T3x10 2pc E Remove DVD Rom I Remove VFD board assy H Remove Slid Plank I Remove Side metal Plate DISASSEMBLY DIAGRAM DVD PART D1 D1 D1 D2 D2 D3 E F Remove MOTO cover F ...

Page 12: ...x10 4pcs C remove screws T3x4 5pcs D Remove Back Panel Top Cover D remove screws T3x4 4pcs and T3x6 1pcs and T3x10 1pcs E Remove Pre AMP Board Assy F Remove AMP Board Assy H Remove AMP Front board assy G Remove SMPS board assy I Remove Side metal Plate DISASSEMBLY DIAGRAM AMP PART D1 D1 D2 D3 F F I E G G ...

Page 13: ...5 1 5 1 SOFTWARE VERSION AND UPGRADING ǃ ǃ ǃ ǃ ǃ ǃ ǃ ǃ ǃ ǃ ǃ ǃ 0 1 2 34 5 4 0 6 7 8 0 1 2 955 5 3 hh 0 2 3 3 4 5 6 3 7 3 3 3 8 3 3 9 5 5 9 ...

Page 14: ...5 2 5 2 SET BLOCK DIAGRAM ...

Page 15: ...5 3 5 3 SET WIRING DIAGRAM VFD BOARD TUNER BOARD AMP BOARD CPU BOARD Pre AMP BOARD DVD MPEG BOARD SCART PCB POWER BOARD ...

Page 16: ... 3 S2 4 S3 5 S4 6 S5 7 S6 8 S7 9 S8 10 G1 11 G2 12 G3 13 G4 14 G5 15 G6 16 NC 17 NC 18 NC 19 NC 20 G7 21 G8 22 G9 23 G10 24 G11 25 G12 26 S9 27 S10 28 S11 29 S12 30 S13 31 S14 32 S15 33 S16 34 VF2 35 VF2 36 VFD701 NE 1300CD 3 G S10 S11 S12 S13 S14 S15 S16 G12 G11 G10 G1 G2 G3 G4 G5 G6 G7 G8 G9 G2 G3 G4 G5 G6 G7 G8 G9 S12 S11 G11 G10 S8 G1 S10 S9 G12 1 2 3 4 5 CN602 2 0 6P STB1 DATA CLK V GND 5VS 1...

Page 17: ...6 2 6 2 LAYOUT DIAGRAM VFD BOARD ...

Page 18: ...N1 4P R4 120 R3 120 C34 223 VCC1 C24 224 C25 224 R7 330 R25 47K R24 47K DZ1 384 R35 22 C23 224 R33 4K7 R34 47K Q3 BC547C Q2 BC857B R31 68K C35 22uF R32 10K R30 150 C33 82pF C29 1uF FM VDD VCC2 AM FM R29 820 R28 820 C40 153 C39 153 1 3 2 CF1 10 7M 1 3 2 CF2 10 7M R2 120 R1 120 R5 330 C2 104 C1 10uF 1 2 3 4 6 T7 6295 ANT 1 GND 2 GND 3 GND 4 VT 5 B 6 IF OUT 7 OSC OUT 8 GND 9 GND 10 FM FRONTEND TUNE1 ...

Page 19: ...7 2 7 2 LAYOUT DIAGRAM TUNER BOARD ...

Page 20: ... 1 VDDA2 3 VSSD 24 STABL 18 PROT 13 SUB VSSD 19 VDDP2 23 VSSP2 20 BOOT2 22 OUT2 21 OUT1 16 BOOT1 15 VSSP1 17 VDDP1 14 MODE 6 OSC 7 VSSA1 12 VDDA1 10 IN1 8 IN1 9 SGND1 11 SGND2 2 1N2 5 IN2 4 IC301 TDA8920BTH C346 104 C347 104 C349 104 C366 104 100V C350 104 C359 104 C360 104 VssA3 VddA3 Vddp3 C372 153 C378 334 M C363 104 R321 22 C371 153 C376 334 M C351 104 R319 22 SW OUT SW OUT C326 220P C337 474 ...

Page 21: ...8 2 8 2 LAYOUT DIAGRAM AMP BOARD ...

Page 22: ... 10K R207 10K R208 10K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 CN208 34P 1 2 3 4 CN203 9P 2 0 RDS IN D202 4148 MUTE R236 4 7K R235 4 7K R261 100K R259 100K R245 1K R248 47K R209 10K TUN R TUN L Q210 9014 Q209 9015 R234 4 7K D MUTE 1 2 3 4 5 CN207 4P 2 0 12V TUN ON SDA SCL DZ201 9V R250 10K R246 1K R258 100K R247 1K R260 100K 1 3 2 J200 RCA 2P R2...

Page 23: ...9 2 9 2 LAYOUT DIAGRAM CPU BOARD ...

Page 24: ...5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 CN113 34P FL OUT FR OUT S12V 12V ROT B ROT A KEY REM LED MUTE STANDBY ECO speak ctrl SP GND SP GND 12V 12V speak ctrl speak ctrl SP L SP R OUT SW OUT SW 1 2 CN108 2P 2 5 D101 4148 MUTE R114 2 2 FL OUT FR OUT C102 470uf 16v G 1 B 2 A 3 ENCODER301 ENCODER 1 2 3 CN1101 3P SW901 SOURCE 1 2 CN1201 2P R902 1 5K ROT A RO...

Page 25: ...10 2 10 2 LAYOUT DIAGRAM Pre AMP BOARD ...

Page 26: ...R1204 10K 21 1 R CH OUT 2 R CH IN 3 L CH OUT 4 AUDIO GND 5 BLUE GND 6 L CH IN 7 BLUE 8 12V 9 GREEN GND 10 CLOCK 11 GREEN 12 REMOTE 13 RED GND 14 REMOTE GND 15 RED 16 FS 17 VIDEO GND 18 FS GND 19 VIDEO OUT 20 VIDEO IN GND J1201 SCART 101 HUAHUI GND R G B CVB1 From dvd decoder 1 2 3 4 5 6 7 8 9 10 CN1201 15P RGB ML MR ASP 12V GND SCART BOARD ...

Page 27: ...CL WP VCC R163 NC R152 15k CB71 0 1uF L44 FB R151 33 R164 100 R167 1k NC D11 ESD NC D15 ESD NC D6 ESD NC R153 15k L45 FB U16 MT1392E HDMI TX PROCESSOR SPQFP80 SMD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 24 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 DVSS C...

Page 28: ...H Q19 8550 2 1 3 R201 20k R82 22 R104 100 D16 12V R207 100k C82 1800pF mk4 R85 75 DIP 1 2W L25 FB R100 150 C65 47pF P1 AV3 8 4 13D 2 3 1 4 5 R97 75 DIP 1 2W C62 47pF C71 47pF C55 47pF C56 47pF R103 5 1k mk3 C77 47pF R206 100k Q22 8550 2 1 3 R110 5 1k Q17 8550 2 1 3 R99 75 DIP 1 2W R200 100K Q16 3906 2 1 3 CB53 0 1uF U11A 4558 3 2 1 8 4 mk2 CE23 220uF 16V L26 1 8uH C63 47pF C64 47pF Q12 8550 2 1 3 ...

Page 29: ...61 160 159 158 156 157 155 154 153 152 151 150 148 149 147 146 145 144 143 141 142 140 139 138 137 136 134 135 133 132 131 130 249 255 24 254 231 230 238 237 248 247 236 251 246 243 241 242 240 239 234 235 232 224 225 222 221 220 219 226 218 217 215 213 214 204 211 210 209 208 212 207 206 205 203 202 201 200 199 198 197 196 195 194 193 233 44 47 48 49 50 51 88 89 216 223 228 229 227 DVDA CRTPLP DV...

Page 30: ...10k U3 AZ1117H ADJ NC SOT223 1 2 3 4 ADJ OUT IN out R210 2 2 1206 R209 1 0805 C18 0 022uF D21 1N4002 1 2 R49 15k CE8 100uF 16V CB12 0 1uF C7 330pF R39 20k U5 ACT4060 1 2 3 4 5 6 7 8 BS VIN VSW GND FB COMP EN SYNC R47 10k U4 ACT4060 1 2 3 4 5 6 7 8 BS VIN VSW GND FB COMP EN SYNC R31 1 0805 R30 1 0805 R2 10k R42 27K CE4 220uF 16V PT220 16V R37 20k R29 18k J1 PH 6A 1 2 3 4 5 6 L6 FB R11 0 L7 100uH_1 ...

Page 31: ...13 6 13 6 LAYOUT DIAGRAM DVD MPEG BOARD MPEG board is not repaired program for referrence only ...

Page 32: ...14 1 14 1 DVD EXPLODED VIEW DIAGRAM DISPLENS DRBKT DVDFRT STAYKNOB MOTORASSY DRVBKT DISCASSY TOPPC LENS DVDBCK SLIDEBKT LPKNOB CTLBKT DRPOSTL R DVDBTM2 ...

Page 33: ...14 2 14 2 AMP EXPLODED VIEW DIAGRAM LENS2 Item VOLKNOB AMPFRT SCBKT SIDEL SIDER TOPPC1 LENS1 TOPCV2 TOP AMPBCK FAN AMPBTM ...

Page 34: ...MISCELLANEOUS PARTS FOR AMP ACSOCK 9940 000 05165 AC SOCKET 1A 250V AMPBCK 9965 100 02962 MCD759 AMP CABINET BACK ABS AMPBTM 9965 100 00472 AMP BOTTOM HIPS AMPFRT 9965 100 00469 AMP CABINET FRONT FAN 9965 100 02965 MINI FAN RDM4010S 12V 250 FAN 9965 100 07807 MINI FAN RDM4010S DC12V 0 7A 93 LENS1 9965 100 00239 TOP LIGHT LENS PMMA LENS2 9965 100 02964 AMP MCD705 DISPLAY LENS LAMP1 9965 100 02922 T...

Page 35: ...FRONT ABS LENS 9965 100 00239 TOP LIGHT LENS PMMA LPKNOB 9965 100 00457 DSC LEAP KNOB SILVER OPENKNOB 9965 100 00458 OPEN CLOSE KNOB SILVER RODCD 9965 100 02938 NE1300CD ROD CORD H 5 SLIDEBKT 9965 100 02936 MCD705 DVD SLID PLANK STAYBKT 9965 100 00456 DVD STANDBY KNOB BRACKET STAYKNOB 9965 100 00459 DVD STANDBY KNOB SILVER TOP 9965 100 02934 MCD728 DVD TOP COVER TOPPC 9965 100 00240 TOP COVER1 PC ...

Page 36: ... 02918 IC PCF8563 SOP8 12 X200 9965 100 000 12 CRYSTAL OSC FREQ 32 768KHz 12 X202 9965 100 00012 CRYSTAL OSC FREQ 32 768KHz 98 X201 9940 000 04945 CER FILTER FREQUENCY 4 19MHZ 12 X201 9965 100 00013 CRYSTAL 4 194304 MHz 49S 98 X203 9940 000 05497 CRYSTAL OSC 4 332 49S MHZ 12 B1 9965 100 02975 TRANSFORMER EE13 5V 12 ELECTRICAL PARTS DISPLAY PCB IC601 9965 100 00500 IC PT6311 SC16311 CD16311 LED601 ...

Page 37: ... 6321 0 e 3 6 6 5 3 6 63 5 25 6 0 3 6 6 5 3 1 3 7 3 6 63 5 2 0 3 6 7 668 2 02 1 FP 3 6 3 32 FP 3 6 Factory BOM 12 5 12 5 12 2 AMP EXPLODED VIEW DIAGRAM 12 2 AMP EXPLODED VIEW DIAGRAM 15 1 15 1 ...

Page 38: ... 6 0 0 5 3 6 0 0 5 3 6 0 0 29 5 3 6 3 6 0 0 5 3 6 0 0 5 3 6 0 0 5 3 6 6 1 02725 7 3 6 0 283 1 6 7 0 3 6 7 5 7 3 6 67 3 6 02725 5 3 6 6 5 0 1 3 7 3 6 6 5 3 3 6 6 5 3 3 6 6 5 3 6 6 5 7 1 3 7 3 6 6 5 0 3 6 635 1 3 6 0 22 5 63 5 66 0 6 7 0 0 3257 78 3 6 0 0 3257 78 3 6 3 3 5 PP 3 6 0 0 22 5 63 5 5217 3 36 3 6 0 0 22 5 63 5 227 36 3 6 22 1 2 0 3 6 22 5 63 5 3 6 Factory BOM 15 2 15 2 ...

Page 39: ...6 7 7 9 3 6 6 0 6 7 3 0 3 6 0 63 5 6 1 3 576 66 5 0 6 7 22 1 2 0 3 6 22 1 2 0 3 6 0 0 723 29 5 6 3 6 0 0 7 7 5 25 7 9 223 3 6 0 0 7 7 5 25 7 9 223 3 6 0 0 3 6 3 6 0 27720 66 6 0 3 6 0 0 3 67 5 6 3 6 0 0 63 5 5 7 0 7 3 6 63 5 3 6 63 5 3 6 0 5 5 5 3 6 0 5 326 0 3 6 1 1 225 5 7 283 1 6 7 3 6 6 5 37 1 3 7 3 6 6 5 1 3 7 3 6 6 5 3 6 187 0 1 3 7 3 6 6 5 1 3 7 3 6 6 5 1 3 7 3 6 6 5 0 0 3 6 Factory BOM 15 ...

Page 40: ...0 1 3 7 3 6 6 5 3 3 6 6 5 3 3 6 6 5 3 6 6 5 7 1 3 7 3 6 6 5 0 3 6 635 1 3 6 0 63 5 2 66 5 0 6 7 0 5 48 1 9 5 66 5 0 6 7 5 21 0 5 6 6725 3 6 5 752 7 3 X 9 3 6 752 7 3 X 9 3 6 50 3 3 9 3 6 3 5 6 6725 3 6 5 3 5 6 6725 3 6 5 3 5 6 6725 3 6 5 3 5 6 6725 3 6 5 5 21 0 5 6 6725 3 6 5 21 0 5 6 6725 3 6 752 7 3 X 9 0 3 6 5 21 0 5 6 6725 3 6 5 1 5 2 9 3 6 3 1 211 725 7 3 3 6 1 Factory BOM 15 4 15 4 ...

Page 41: ... 0 7 7 5 25 7 9 223 3 6 0 0 3 6 3 6 0 27720 66 6 0 3 6 0 0 3 67 5 6 3 6 0 0 63 5 5 7 0 7 3 6 1 1 225 5 7 283 1 6 7 3 6 63 5 3 6 63 5 3 6 0 5 5 5 3 6 0 5 326 0 3 6 6 5 37 1 3 7 3 6 6 5 1 3 7 3 6 6 5 3 6 187 0 1 3 7 3 6 6 5 1 3 7 3 6 6 5 1 3 7 3 6 6 5 0 0 3 6 63 5 25 6 0 7 3 3 6 63 5 2 0 3 6 3 32 FP 3 6 5 3 5 3 6 58 5 227 0 3 6 5 3 3 6 0 63 5 5 2 66 0 6 7 250 35 250 1 1 66 6 7 6 7 Factory BOM 15 5 1...

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