Philips HTS3274/51, Service Manual

Page 1: ...e Netherlands Subject to modification DVD Home Theater System Version1 1 TABLE OF CONTENTS Location of PCB Boards 1 2 Versions Variation 1 2 Measurement Setup 1 4 Specifications 1 3 Service Aids 1 5 ESD Safety Instruction 1 6 Lead free soldering Information 1 7 Setting procedure Repair Instructions 2 Disassembly Instructions Service positions 3 Block Wiring Diagram 4 DISP LED VOL Board 5 MAIN Y U ...

Page 2: ...t Power 420W Voltage 110 240V MP3 LINK MAIN Y U V Board DISP LED VOL Board MP3 IN MIC Board Type Versions Board in used HTS3274 C C C 51 SERVICE SCNARIO MATRIX 51 x x x C Component Level Repair MP3 IN MIC PCB POWER PCB MAIN PCB Y U V PCB LED PCB DISPLAY PCB VOLUME PCB Power Board C ...

Page 3: ...240V 50 60Hz For HTS3371 3378 110 127V 220 240V 50 60Hz switchable Power consumption For HTS3276 80 W For HTS3371 HTS3378 180 W Standby power consumption 1 W Dimensions WxHxD 360 x 57 x 331 mm Weight For HTS3276 2 87 Kg For HTS3371 HTS3378 3 01 Kg Speakers System full range satellite Speaker impedance For HTS3276 4 ohm center 8 ohm Front Rear For HTS3371 HTS3378 4 ohm center 4 ohm Front Rear Speak...

Page 4: ...Signal Disc replaces test disc 3 SBC429 4822 397 30184 Bandpass 250Hz 15kHz e g 7122 707 48001 LF Voltmeter e g PM2534 DUT RF Generator e g PM5326 S N and distortion meter e g Sound Technology ST1700B Use a bandpass filter to eliminate hum 50Hz 100Hz and disturbance from the pilottone 19kHz 38kHz Ri 50 Tuner FM MEASUREMENT SETUP ...

Page 5: ...x driver set T6 T20 4822 395 50145 Torx driver T10 extended 4822 395 50423 Compact Disc SBC426 426A Test disc 5 5A 4822 397 30096 SBC442 Audio Burn in test disc 1kHz 4822 397 30155 SBC429 Audio Signals disc 4822 397 30184 Dolby Pro logic Test Disc 4822 395 10216 SERVICE AIDS HANDLING CHIP COMPONENTS ...

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Page 8: ...n again automatically e OSD will show Current model HTS3274 51 Version XX XX XX Release XXXX XX XX region X Servo XX XX XX XX 8032 XX XX XX XX RISC XX XX XX XX MCU XX XX If current model does not match you set use down arrow key on the remote to change OK CAUTION This information is confidential and may not be distributed Only a qualified service person should reprogram the Region Code 4 Password ...

Page 9: ...2 2 2 2 REPAIR INSTRUCTIONS ONE ...

Page 10: ...2 3 2 3 REPAIR INSTRUCTIONS TWO ...

Page 11: ...2 4 2 4 REPAIR INSTRUCTIONS THREE ...

Page 12: ...connect the mains supply after removing the Tray Cover Note If this is not possible the DVD Tray has to be open manually Take a mini screw driver about 2mm diameter and make a marking 24mm from the tip as shown in figure 2 Place the set on its side insert the mini screw driver till the marking and slide it towards the left as shown in figure 1 until the Tray moves out of the Front Panel 2 Return t...

Page 13: ... on the top of Main Board as shown in figure 11 2 At the back panel loosen 9 screws to remove MAIN Board and loosen 2 screw to remove Scart Board as shown in figure 12 Figure 9 Dismantling of the DISP LED VOL MP3 IN Board 1 Loosen 10 screws E on the top of DISP LED VOL MP3 IN Board as shown in figure 8 Figure 8 E Dismantling of the Power Board 1 Loosen 4 screws F on the top of Power Board as shown...

Page 14: ...K LRCL K MCLK P BCL K P LRCL K P DOUT P MCLK USB DP USB DM V DAT A V CL K V CS IR IR IR KEY control SDA SDA SCL Scart audioIN option CV BS Vi deo L C Scart audio Scart audio BCL K LR CL K DOUT MC LK 5V B 5V 3 3V 12V 12V 12V 12V 12V 12V 12V 12V x 2 pcs 9V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 1 8V 3 3V VCC IC 74F244x1 INPUT PIN EXPA ND 3 3V DOUT 5V VI DEO VI DEO Transistor 2SB772 Transistor 2SB772 1 8...

Page 15: ...4 2 4 2 WIRING DIAGRAM V1 ...

Page 16: ...LED VOL BOARD S T N E T N O C F O E L B A T 1 5 t n e m n g i s s A n i P y a l p s i D D T F 2 5 m a r g a i D t i u c r i C w e i V m o t t o B p o T t u o y a L B C P 5 3 FTD DISPLAY PIN ASSIGNMENT PIN CONNECTION ...

Page 17: ...1 32 SG17 GR12 31 SG16 GR13 30 SG15 GR14 29 SG14 28 SG13 27 IC 351 IC _PT631 1 C387 10 2 C389 100U 35V R306 9 5 6K C391 220U 1 6V C390 104 R3054 10K R3053 100 R3052 100 R3051 100 R3056 10K R3055 10K C380 15P C381 15P C382 15P Q353 SA733 Q352 SC945 V DAT A V CLK V CS 1 2 3 SN351 SENSOR BK 5V C385 104 C386 100U 10V C384 100P R3058 47K R3057 1K5 E5V E5V LD351 LED_D3M M R3064 10K R3063 4K7 R3062 820R ...

Page 18: ... B1 R3059 B1 R3060 B1 R3061 A3 R3062 A3 R3063 A3 R3064 A3 R3067 A1 R3068 A2 R3069 B1 R3071 B3 R3072 B2 R3073 B2 R3077 B2 ZD310 B1 ZD311 A3 ZD312 A2 ZD313 B3 1 2 3 1 2 3 A B A B C386 A3 C389 A1 C391 A1 C392 B2 DP351 A2 ESD1 A2 ESD4 A3 ESD5 B3 ESD6 A1 ESD7 A3 J351 A2 J352 B1 J353 A2 J354 B1 J355 A3 J356 A3 J357 B2 J358 A2 J359 A3 J363 A1 LD351 A1 RB351 A3 RB355 A1 RB356 B1 RB357 B1 RB359 A1 SN351 B3...

Page 19: ...ntrol I F Clock PLL and Serial Date I F Device Control System Control DAP Control PWM Control 8x8 Crossber Mixer 8x2 Crossber Mixer 8 8 4 8 8 8 2 2 0 Det 7 Blquads Soft Tone Soft Vol Loud Comp DRC 0 Det 7 Blquads Soft Tone Soft Vol Loud Comp DRC 0 Det 7 Blquads Soft Tone Soft Vol Loud Comp DRC 0 Det 7 Blquads Soft Tone Soft Vol Loud Comp DRC 0 Det 7 Blquads Soft Tone Soft Vol Loud Comp DRC 0 Det 7...

Page 20: ... Q408 2SA733 R4 046 12K R 4045 10K R4 048 10K R 4049 2K Q410 KT C3875 D414 1N4148 F2 D413 1N4148 R4 047 10K C4072 47U 50V 5V POWE R_C 7 5 6 B 8 IC 406B JRC4 558 3 2 1 B 4 IC 406A JRC 4558 12V VD3 3 F2 C4068 100U 16V R 4038 100 R4036 10K 33K R4035 10 R 4061 3K9 10K D406 1N4148 D407 1N4148 D408 1N4148 D409 1N4148 D410 1N4148 D411 1N4148 R4 030 10K R4 031 10K R4 033 10K R4 034 10K C4070 104 R4 032 10...

Page 21: ... 10 Optical RD S 1 2 3 4 5 CN702 CN5 20 AI L LIN OUT _L GND LIN OUT _R AIR JK701 CE 201 22P CE 202 22P CE 203 22P CE 204 22P CE 205 22P CE 206 22P CE 207 22P E1 E2 E3 E4 E5 E6 E7 CE 212 4 7P E1 0 VD3 3 R 269 4K 7 UAR TTX MI C_SW R 271 4K 7 CE 801 104 CE 802 104 CE 803 104 CE 804 104 CE 805 104 CE 806 104 CE 807 104 CE 808 104 CE 809 104 OPEN SW CL OSES W OPEN OPEN SLED SLED SPI N SPI N HS W C0216 ...

Page 22: ... OPEN R531 OPEN R532 OPEN R533 OPEN 308_TSD1 308_TSD2 308_TSD0 AL RCK AB CK S308_TSD1 S308_TSD2 S308_TSD0 SALRCK SABCK WA RM SO UND OUT PU T WA RM SO UND IN TP UT DSP_BSY EE _CS DSP_IR Q S308_TSD0 TP504 TP505 TP503 TP502 TP501 R508 OPEN R534 open WVD3 3 WL K WDA R550 0 R549 0 WVD3 3 PHILIP S HTS DSP_DAO0 HS0 DSP_DAO1 HS1 S308_TSD0 OP S308_TSD1 CS48540 slave master Jump DSP_DAO2 HS2 DSP_DAO3 HS3 20...

Page 23: ... C4 IC403 C4 IC404 C3 IC407 D3 IC801 D1 J1 A3 J10 A4 J11 A4 J12 A4 J2 A3 J3 A3 J4 A3 J5 A3 J6 A3 J7 A4 J8 A4 J9 A4 JK302 A1 JK401 A3 JK601 A1 JK701 A1 JK702 A4 JK703 A4 JK704 A2 L201 B1 L202 D1 L203 C1 L204 A2 L205 B1 L206 C1 L207 B1 L301 A2 L401 A4 L402 B4 L403 A4 L404 B4 L405 B4 L406 B4 L407 B4 L408 B3 L409 B3 L410 B3 L411 B3 L412 B3 L701 A1 L702 A1 L703 A1 L704 A1 L707 A2 L801 C1 L802 D1 L803 C...

Page 24: ...826 C4 C828 C4 C835 D4 C836 B4 C837 B4 C846 C4 C901 D2 C902 D2 C903 D2 C904 D2 C905 B4 C906 C4 C907 D2 C908 C3 C924 D2 CE201 D3 CE202 D3 CE203 D3 CE204 D3 CE205 D3 CE206 D3 CE207 D3 CE212 D3 CE215 A4 CE216 B4 CE217 B4 CE218 B4 CE219 B4 CE220 B4 CE301 D4 CE302 C4 CE303 C4 CE304 D4 CE305 A4 CE306 D3 CE307 C4 CE308 C2 CE309 D2 CE310 A3 CE311 C2 CE312 C4 CE313 D2 CE314 C3 CE315 B2 CE316 A3 CE317 A3 CE...

Page 25: ...7 1 7 1 POWER BOARD TABLE OF CONTENTS Internal IC Diagram 7 1 Circuit Diagram 7 2 PCB Layout Top View 7 3 PCB Layout Bottom View 7 4 V REF REF CATHODE ANODE INTERNAL IC DIAGRAM AZ431 ...

Page 26: ... F901 D1 GT902B1 IC901 D2 IC902 C2 IC903 B2 IC904 D3 IC905 B3 IC906 A3 L901 C1 L902 B1 L903 C3 L904 C3 L905 C3 L906 A3 L907 A4 NTC901D1 Q901 B1 Q902 A2 Q904 B3 Q906 C4 Q907 B3 Q909 C4 Q910 B4 Q911 C4 Q912 C4 Q913 B4 Q914 B4 Q915 B2 R901 C1 R902 C1 R903 C1 R904 C1 R905 C1 R909 C1 R910 C1 R911 B1 R912 D3 R913 D2 R914 D2 R915 D2 R916 D2 R917 C2 R918 C2 R919 B2 R920 B2 R921 B2 R922 A2 R923 B2 R925 A2 ...

Page 27: ... D906 C3 D907 C4 D910 C4 D911 D2 D912 B4 D913 B3 D914 A4 D915 C3 F901 D1 GT902 C1 IC901 A3 IC902 A2 IC904 A3 IC905 B3 IC906 C3 J901 B1 J902 A1 J903 A2 J904 B2 J905 C3 J906 A3 J908 A4 J909 C2 J910 A4 J911 A4 J912 A4 J913 B4 J914 C4 J915 A3 J916 C4 J917 C4 J918 C3 J919 C2 L901 B1 L902 B1 L903 B4 L904 C4 L905 A3 L906 C4 L907 C4 NTC901C1 Q901 B2 Q902 C2 Q907 A4 R901 A2 R909 C1 R910 B2 R916 A3 R918 A2 ...

Page 28: ...906 B1 Q911 B1 R934 B1 R944 B1 R945 B1 c932 B2 C936 B2 R911 B2 R935 B2 R937 B2 R948 B2 ZD902 B2 ZD904 B2 C908 B3 C910 B3 D919 B3 Q915 B3 R961 B3 R964 B3 R967 B3 R987 B3 ZD908 B3 D908 C1 Q909 C1 Q912 C1 Q914 C1 R932 C1 R933 C1 R951 C1 R958 C1 R959 C1 R966 C1 R968 C1 R969 C1 R971 C1 R972 C1 R973 C1 ZD907 C1 C968 C2 D916 C2 D917 C2 Q913 C2 R949 C2 R980 C2 ZD903 C2 C909 C3 C934 C3 C972 C3 D905 C3 IC90...

Page 29: ...8 1 8 1 MP3 IN BOARD TABLE OF CONTENTS m a r g a i D t i u c r i C 8 2 PCB Layout Top Bottom View 8 3 8 1 ...

Page 30: ...OL DWN VOL UP MP3L MP3R FB 351 600 FB 352 600 1 2 3 RB352 RB3 2 0 R3080 1K R3079 1K USB5 V USBP USBM 1 2 3 4 RB354 RB4 20 FB 357 600 FB 356 600 FB 355 600 C383 104 USB5 V GND USBP USBM 35 36 37 31 32 33 34 1 2 3 RB 351 CN3 20 VR 351 VOL _DGA _3P 6 4 5 7 2 3 1 JK 351 1 1 2 2 3 3 4 4 5 5 6 6 USB 351 USB2 0 C 395 30P C 396 30P 1 3 2 3 2 1 A B A B ...

Page 31: ...PCB LAYOUT BOTTOM VIEW 1 2 1 2 A B A B A B 1 2 A B 1 2 J360 A2 J361 B1 JK351 B1 JK352 B2 RB352 A1 RB353 A1 RB354 A2 USB351 A2 C383 A1 C393 A2 C394 A2 FB351 A2 FB352 A2 FB353 A2 FB354 A2 FB355 A1 FB356 A1 FB357 A1 R3079 B2 R3080 B2 ...

Page 32: ...9 1 9 1 Mechanical Exploded View RC FM ...

Page 33: ...41620F L S TP 6 IC207 996510012500 IC 20 PIN SN74HC244PWR IC208 996510021936 IC 48P STM32F101C6A IC209 996510021082 IC 256P MT1389FXE SN LQFP IC210 996500027090 IC 3 PIN AP1117E18LA 1 8V IC301 996500029611 IC 8P CO4558A SO8 IC301 996510020341 IC 8P D4558 SOP SILICORE IC303 996500029611 IC 8P CO4558A SO8 IC303 996510020341 IC 8P D4558 SOP SILICORE IC304 996510012503 IC 16P CD4051BM SOIC TI IC305 99...

Page 34: ...R PNP 2SA733Q Q902 996510021085 MOSFET STK1060F TO220F Q904 994000000915 XISTR NPN 2SC1623 Q906 996510008289 FET AO3402 SOT23 30V 4A Q907 996510010356 XISTR PNP 2SB647 TO 92MOD Q909 994000000921 XISTR PNP 2SA812 HFE 200 Q910 994000000921 XISTR PNP 2SA812 HFE 200 Q911 996510018395 FET AO3401 SOT23 30V 4 2A Q912 994000000915 XISTR NPN 2SC1623 Q913 994000000915 XISTR NPN 2SC1623 Q914 994000000921 XIS...

Page 35: ...10 1 REVISION LIST Version 1 1 Initial release Alternative Codes Safety Symbol ...