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6 - 6

PCB LAYOUT - BOTTOM VIEW

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B

C

D

C0201 C4

C0203 B4

C0204 B4

C0205 D4

C0206 B4

C0207 C3

C0209 B4

C0210 B4

C0212 C3

C0213 C3

C0214 B3

C0215 C3

C0216 B3

C0217 B4

C0218 B3

C0219 B3

C0220 B3

C0221 B3

C0222 B3

C0226 C3

C0227 C3

C0228 B3

C0229 B3

C0230 B3

C0237 B3

C0238 B3

C0239 B3

C0240 B3

C0241 A1

C0242 B3

C0243 B3

C0244 B4

C0246 B4

C0248 B4

C0249 B4

C0253 B4

C0601 B4

C0602 A3

C0603 A3

C0604 B4

C0606 B4

C109 C4

C206 B4

C209 B4

C223 C3

C224 D3

C225 B4

C226 B4

C227 B4

C228 B4

C233 D3

C250 C3

C256 D3

C305 A3

C306 A3

C307 A3

C308 A3

C309 B3

C311  B3

C313 B3

C315 B3

C318 B2

C319 B2

C323 B4

C324 B3

C356 A4

C357 A4

C366 A3

C4000 B1

C4001 B2

C4002 A2

C4003 A2

C4004 B1

C4005 B2

C4021 B2

C4022 B2

C4023 B2

C4024 B2

C4025 A2

C4026 A2

C4027 B2

C4028 B2

C4037 B2

C4038 B2

C4039 B2

C4040 B2

C4041 A2

C4042 A2

C4043 B2

C4044 B2

C4062 A1

C4063 A1

C4064 A2

C4065 A2

C4066 A2

C4067 A2

C4070 A1

C408 D1

C409 D1

C411  D1

C413 D1

C414 D1

C415 D1

C416 D1

C417 D1

C419 D1

C420 D1

C421 D1

C422 D1

C425 D1

C428 D2

C445 B1

C446 B1

C447 B1

C448 B1

C449 A1

C450 A1

C451 B1

C452 B1

C462 B1

C463 B1

C464 B1

C465 B1

C466 A1

C467 A1

C468 B1

C469 B1

C484 B1

C485 B1

C486 A1

C487 A2

C488 B1

C489 B1

C498 B1

C499 B2

C502 C2

C503 C2

C506 C2

C507 C2

C508 D2

C509 C2

C510 C2

C511  C2

C512 C2

C513 C2

C514 C2

C528 D1

C589 B1

C590 B1

C600 B4

C603 A3

C701 A4

C728 B4

C731 A4

C735 B3

C738 B4

C802 D4

C804 C4

C805 D4

C807 D4

C808 C4

C826 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

CE318 C1

CE319 C2

CE320 C2

CE321 B3

CE322 B3

CE323 B3

CE324 B3

CE325 B3

CE326 D2

CE327 D4

CE328 A4

CE329 B4

CE330 C4

CE346 A3

CE347 A3

CE352 B3

CE801 D3

CE802 D3

CE803 D3

CE804 D3

CE805 D3

CE806 D3

CE807 D3

CE808 D3

CE809 D3

CO254 C4

D302 C2

D303 C2

D406 A1

D407 A1

D408 A2

D409 A2

D410 A2

D411 A2

D412 A2

D413 A2

D414 A2

D415 D3

FB204 B4

FB216 C3

FB223 D2

FB311 D2

FB601 A3

FB602 B4

FB707 B4

FB712 A4

FE301 B4

FE302 B4

FE306 A3

FE307 B4

FE308 A4

FE309 B4

FE310 A4

FE311 A3

IC406 A1

Q206 D3

Q207 B4

Q407 A2

Q408 A2

Q409 A2

Q410 A2

Q411 D3

Q601 A3

R204 C3

R216 B4

R217 B4

R238 B3

R239 C3

R256 D3

R264 D3

R299 D3

R3019 B3

R3020 B3

R306 D2

R350 A4

R351 A4

R356 A4

R357 A4

R378 B4

R388 B4

R399 B3

R4024 A1

R4025 A1

R4026 A1

R4027 A2

R4028 A2

R4029 A2

R403 D1

R4030 A1

R4031 A1

R4032 A2

R4033 A2

R4034 A2

R4036 A1

R4037 A2

R4038 A1

R4039 A1

R4040 A1

R4041 A1

R4042 A2

R4043 A2

R4044 A2

R4045 A2

R4046 A2

R4047 A2

R4048 A2

R4049 A2

R4050 A2

R4053 D2

R4054 D3

R4055 D3

R4061 A1

R4062 A2

R409 D1

R410 D1

R411 D1

R418 D1

R420 D1

R421 C1

R422 C1

R441  A1

R442  A1

R443  B1

R444  B1

R445  A1

R446  A1

R447  B1

R448  B1

R462 A1

R463 A2

R464 B1

R465 B1

R466 A2

R467 A2

R468 B1

R469 B2

R484 A2

R485 A2

R486 B2

R487 B2

R488 A2

R489 A2

R490 B2

R491 B2

R503 C2

R510 C2

R517 D2

R606 B4

R750 B4

R754 A4

R911  D2

RA203 B4

ZD401 D1

ZD902 D2

Summary of Contents for HTS3371/94

Page 1: ...erlands Subject to modification DVD Home Theater System Version1 0 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 V Boar...

Page 2: ...Output Power 1000W Voltage 220 240V MAIN Y U V Board DISP LED VOL Board MP3 IN MIC Board Type Versions Board in used HTS3371 C C C 94 SERVICE SCNARIO MATRIX 94 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: ... dB Harmonic distortion FM 3 Frequency response FM 180 Hz 10 kHz 6dB Stereo separation FM 26 dB 1 kHz Stereo Threshold FM 29 dB USB Compatibility Hi Speed USB 2 0 Class support UMS USB Mass Storage Class File system FAT12 FAT16 FAT32 Main Unit Power supply 220 240V 50Hz switchable Power consumption 180 W Standby power consumption 1 W Dimensions WxHxD 360 x 57 x 331 mm Weight 3 01 kg Speakers Syste...

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 ...

Page 6: ...1 6 ...

Page 7: ...1 7 ...

Page 8: ... will show Current model HTS3371 94 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 Change a Press SETUP button...

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: ...isconnect 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...

Page 13: ...N SCART Board 1 Loosen 4 screws G on the top of Main Board as shown in figure 11 2 Loosen 11 screws at the back panel 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 in figure 9 2 With a pincer...

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: ...5 1 5 1 VFD JACK VOL STANDBY BOARD TABLE OF CONTENTS FTD Display Pin Assignment 5 1 Circuit Diagram 5 2 PCB Layout Top Bottom View 5 3 FTD DISPLAY PIN ASSIGNMENT PIN CONNECTION ...

Page 17: ...VC C 33 SG18 G R11 32 SG17 G R12 31 SG16 G R13 30 SG15 G R14 29 SG14 28 SG13 27 IC 351 IC _PT631 1 C387 10 2 C389 100U 35V R306 9 5 6K C391 220U 16V 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 R3...

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: ... DRC 0 Det 7 Blquads Soft Tone Soft Vo l Loud Com p DRC 9 Volume Control DC Block De Emph Interpolate SR C NS PW M DC Block De Emph Interpolate SR C NS PW M DC Block De Emph Interpolate SR C NS PW M DC Block De Emph Interpolate SR C NS PW M DC Block De Emph Interpolate SR C NS PW M DC Block De Emph Interpolate SR C NS PW M DC Block De Emph Interpolate SR C NS PW M DC Block De Emph Interpolate SR C...

Page 20: ...4 047 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 10k R4040 150K 68k R4 041 150K R4042 100K R4 043 100K R 4044 2K 2 244 6PIN LO W D412 1N4148 R4 050 8...

Page 21: ... 10V C 701 104 R 751 10 Opti cal RD S 1 2 3 4 5 CN 702 CN 5 20 AIL LINOUT _L GN D LINOUT _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 OP EN SW CL OS ES W OP EN OP EN SLED SL...

Page 22: ... ABCK 308_TSD1 308_TSD2 308_TSD0 AL RCK ABCK S308_TSD0 S308_TSD1 S308_TSD2 SALRCK SABC K R510 10K R516 OPEN R517 10K R535 OPEN R536 OPEN R537 10K WVD3 3 R529 OPEN R530 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 O...

Page 23: ...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 L501 C1 L502 C2 L503 C2 L701 A1 L702 A1 L703 A1 L704 A1 L707 A2 L801 C1 L802 D1 L803 C1 Q204 D2 Q205 D2 Q300 C2 Q302 B3 Q303 C3 Q304 C3 Q305 A1 Q405 D...

Page 24: ...6 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 CE318 C1 CE319 C2 CE320 C2 CE321 B3 CE322 B3...

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: ... D923 C3 D924 A3 D927 C4 D928 C4 F901 C1 GT902C1 IC901 C2 IC902 D2 IC904 D3 IC905 B4 J901 A1 L901 C1 L902 B1 L904 C3 L905 C3 L906 C3 L907 A3 L908 A3 NTC901C1 Q903 C3 Q904 C4 Q905 D4 Q906 C3 Q907 C4 Q910 B3 Q911 B3 Q912 B2 Q913 A2 Q914 B3 Q918 C3 R901 D4 R902 C1 R903 C1 R904 C1 R905 C1 R906 C3 R907 C3 R908 C3 R909 A3 R911 C4 R912 B1 R914 C1 R915 A1 R916 A1 R917 A1 R918 A1 R919 C4 R920 C3 R922 D3 R9...

Page 27: ...C901 A2 IC902 A3 IC904 A3 IC905 B4 J902 C1 J903 B1 J904 A2 J905 A3 J906 C2 J907 C2 J908 C2 J909 D2 J910 A3 J911 A4 J912 A4 J913 A4 J914 A4 J915 A4 J917 A4 J918 A4 J919 A4 J920 A4 J921 B4 J922 B4 J923 B4 J924 C3 J925 C4 J926 C4 J927 B4 J928 C4 J929 C4 J930 C4 L901 D4 L902 B1 L904 A4 L905 B4 L906 A3 L907 C3 L908 C4 NTC901D1 Q910 B3 Q911 B3 Q912 B2 Q913 C2 Q914 A3 R901 A4 R912 C1 R914 A2 R929 A3 R931...

Page 28: ...2 D928 B1 Q903 A1 Q904 B1 Q905 A1 Q906 A2 Q907 B1 Q918 B1 R902 D4 R903 D4 R904 D4 R905 D4 R906 A1 R907 A2 R908 A1 R909 C1 R911 B1 R915 A3 R916 A4 R917 A3 R918 A3 R919 A1 R920 A1 R922 A2 R924 C1 R925 A2 R926 A2 R927 A2 R928 A2 R932 A1 R933 A3 R934 A3 R935 A1 R936 C2 R937 A2 R938 B2 R939 B2 R941 C2 R942 B3 R950 C3 R954 A2 R956 B1 R957 B1 R961 C1 R963 B2 R964 B1 R965 B2 R969 B2 R970 B2 R971 B1 R972 B...

Page 29: ...8 1 8 1 MP3 IN MIC BOARD TABLE OF CONTENTS Circuit Diagram 8 1 PCB Layout Top Bottom View 8 2 ...

Page 30: ...W N VOL UP MP3L MP3R FB 351 600 FB 352 600 1 2 3 RB352 RB3 2 0 R3080 1K R3079 1K USB 5 V USB P USB M 1 2 3 4 RB354 RB4 20 FB 357 600 FB 356 600 FB 355 600 C383 104 USB 5 V GN D USB P USB M 35 36 37 31 32 33 34 1 2 3 RB 351 CN 3 20 VR 351 VOL _DGA _3P 6 4 5 7 2 3 1 JK351 1 1 2 2 3 3 4 4 5 6 USB 351 USB2 0 C 395 30P C 396 30P 1 3 2 3 2 1 A B A B 6 5 ...

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 FM RC A 7 28 8 ...

Page 33: ...PIN AP1117E18LA 1 8V SO IC210 996510027889 IC 3P LD1117AL 18 AA3 IC301 996500029611 IC 8P CO4558A SO8 CERAM IC301 996510020341 IC 8P D4558 SOP SILICORE IC303 996500029611 IC 8P CO4558A SO8 CERAM IC303 996510020341 IC 8P D4558 SOP SILICORE IC304 996510012503 IC 16P CD4051BM SOIC TI ANA IC305 996510012503 IC 16P CD4051BM SOIC TI ANA IC306 996510021056 IC 20P WM8781GEDS SSOP IC309 996510012500 IC 20 ...

Page 34: ...NTC 5R 5A Q910 996500026946 XISTR PNP 2SB772P Q NEC PB Q911 996500026946 XISTR PNP 2SB772P Q NEC PB Q912 996510021085 MOSFET STK1060F TO220F Q913 996510021085 MOSFET STK1060F TO220F T901 996510021071 TRASFO EEL25 7 7P 40W T901 996510021236 TRASFO EEL 25 7 7P 40W T901 996510027028 SW TRANS EEL 25 7 7P T902 994000001057 SW MODEL TRANSFORMER T902 996510021088 TRASFO EEL19 5 5P 100KHz T902 99651002203...

Page 35: ...REVISION LIST Version 1 0 Initial release Alternative Codes Safety Symbol 10 1 ...

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