Zenith ZHD-311 Скачать руководство пользователя | Manualshive

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3-21

1)

• R315

→

FRONT L

2)

• R310

→

FRONT R

3)

• R316

→

REAR

4)

• R324

→

REAR

5)

• R303

→

CENTER

6)

• R317

→

WOOFER

14. DVD & AMP WAVEFORMS

All manuals and user guides at all-guides.com

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Содержание ZHD-311

Страница 1: ...SPEAKER PART REPLACEMENT PARTS LIST 1 2 3 4 5 6 Published May 2005 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville Alabama 35824 1513 Copyright 2005 by Zenith Electronics Corporation Printed in U S A Model Series CONTENTS ZHD 311 MODEL ZHD 311 LHS 25SCS LHS 25SCW SERVICE MANUAL All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 2: ...ING GUIDE 2 1 BLOCK DIAGRAM 2 4 SCHEMATIC DIAGRAMS 2 6 WIRING DIAGRAM 2 18 PRINTED CIRCUIT DIARGAMS 2 20 SECTION 3 DVD AMP PART ELECTRICAL TROUBLESHOOTING GUIDE 3 1 DVD PART SCHEMATIC DIAGRAMS 3 22 SECTION 4 EXPLODED VIEWS 4 1 SECTION 5 SPEAKER PART 5 1 SECTION 6 REPLACEMENT PARTS LIST 6 1 All manuals and user guides at all guides com ...

Страница 3: ...e eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged 5 Cleaning the lens surface If there is dust on the lens surface the dust should be cleaned away by using an air bush such as used for camera lens The lens is held by a delicate spring When cleaning the lens surface therefore a cot ton swab s...

Страница 4: ...part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive sheet and grounded When removing the laser pick up from its conductive bag do not place the pick up on the bag This is because there is the possibility of damage by static electricity 4 To prevent AC leakage the metal pa...

Страница 5: ...age ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it Most replacement ESD devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive materials 7...

Страница 6: ...8 0 MHz Intermediate Frequency 10 7 MHz Signal to Noise Ratio 60 dB Mono Frequency Response 140 10 000 Hz AM MW Tuning Range 522 1 620 kHz or 520 1 720 kHz Intermediate Frequency 450 kHz AMPLIFIER Surround mode Front 30W 30W THD 10 Center 30W Surround 30W 30W 6Ω at 1 kHz THD 10 Subwoofer 70W 8Ω at 30 Hz THD 10 Outputs MONITOR MIC Jacks ø3 5mm KARAOKE MODEL ONLY SPEAKERS Satellite Speaker LHS 25SCS...

Страница 7: ...All manuals and user guides at all guides com ...

Страница 8: ...2 1 SECTION 2 AUDIO PART AUDIO TROUBLESHOOTING GUIDE 1 POWER SUPPLY CIRCUIT All manuals and user guides at all guides com ...

Страница 9: ...2 2 2 FRONT CIRCUIT 1 2 PIN3 PIN4 PIN9 27 5 FL 32 4 VKK 23 7 FL 5 0 CN902 CN902 All manuals and user guides at all guides com ...

Страница 10: ...2 3 3 FRONT CIRCUIT 2 2 All manuals and user guides at all guides com ...

Страница 11: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 12: ...2 4 2 5 BLOCK DIAGRAM All manuals and user guides at all guides com ...

Страница 13: ...2 6 2 7 SCHEMATIC DIAGRAMS 1 POWER SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T All manuals and user guides at all guides com ...

Страница 14: ...2 8 2 9 2 MICOM SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T All manuals and user guides at all guides com ...

Страница 15: ...2 10 2 11 3 FRONT SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T All manuals and user guides at all guides com ...

Страница 16: ...2 12 2 13 4 DSP AMP SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 17: ...2 14 2 15 5 DSP SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T All manuals and user guides at all guides com ...

Страница 18: ...2 16 2 17 6 KARAOKE SCHEMATIC DIAGRAM KARAOKE MODEL ONLY A B C D E F G H I J K L M N O P Q R S T All manuals and user guides at all guides com ...

Страница 19: ...2 18 2 19 WIRING DIAGRAM All manuals and user guides at all guides com ...

Страница 20: ...2 20 2 21 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN DVD P C BOARD DIAGRAM TOP All manuals and user guides at all guides com ...

Страница 21: ...2 22 2 23 2 MAIN DVD P C BOARD DIAGRAM BOTTOM All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 22: ...2 24 2 25 3 FRONT P C BOARD All manuals and user guides at all guides com ...

Страница 23: ...2 26 2 27 4 SMPS P C BOARD LOCATION GUIDE 5 KARAOKE P C BOARD KARAOKE MODEL ONLY All manuals and user guides at all guides com ...

Страница 24: ...Key Receive CLOSE Key 1 Stop Playback Open Tray 2 Display tray open message LOGO 1 Execute Pressed Key IR Key 2 Systemoperati on Routi ne Loop 1 Judge whether have disc and disc type 2 Jump to related disc reading procedure SLED at Inner Side 1 8082 initializes SERVO DSP RISC registers 2 Write RISC code to SDRAM 3 Reset RISC SECTION 3 DVD AMP PART All manuals and user guides at all guides com ...

Страница 25: ...emreset circuit 3 Check FLASH R Wenable signal PRD RWR 4 Check FLASH Memory related circuit Check the AC Vol tage Power PCBA 110V or 220V Switch on the Power PCBA Is the DC Voltage outputs OK 34V 9V 36V 5 6V 5V 8V 9V 2 5V 3 3V Are 3 3V and 5V DC outputs normal on main PCBA Update FLASH IC500 successfully Replace FLASH IC500 A All manuals and user guides at all guides com ...

Страница 26: ...3 3 A 115 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 27: ...3 4 B All manuals and user guides at all guides com ...

Страница 28: ...3 5 C ES6698 ES6698 ES6698 All manuals and user guides at all guides com ...

Страница 29: ...3 6 D All manuals and user guides at all guides com ...

Страница 30: ...300 ABCK ALRCK ASDAT Check the related circuit of PWM Check Audio out Pins52 54 55 59 62 68 Normal PWM IC out IC300 PWM IC received correct data stream Check Digital Amp circuit IC301 IC302 All manuals and user guides at all guides com ...

Страница 31: ...to oscillator Circuit Check IC101 Reset Waveform Check 3 3V line Check Power section Circuit NO Check power part of Main B D Check oscillator of X101 Check if IC101 Pin80 is high Check if IC101 Pin32 51 80 are high 5V Check if IC101 Pin96 is high Replace IC101 NO NO Check if DVD an Audio Micom Insert is OK Check Power YES Check DVD Module YES Check SMPS YES YES YES YES YES YES YES All manuals and ...

Страница 32: ...Hz CLOCK RESET FLASH R W SIGNAL 1 ES6698FD main clock is at 27MHz X501 3 8V 27MHz FIG 1 1 2 ES6698FD reset is high active PWR_CTL SYSTEM µ COM IC501 PIN83 5 2VA Power Cord in M_RESET IC501 PIN 207 URST IC501 PIN 188 FIG 1 2 All manuals and user guides at all guides com ...

Страница 33: ...698FD main clock is at 27MHz X501 IC503 PIN 38 DCLK 93MHz Vp p 2 2 Vmax 2 7V FIG 2 1 4 Flash R W enable signal during download Downloading FRD IC500 PIN 28 FWR IC500 PIN 11 FIG 1 4 All manuals and user guides at all guides com ...

Страница 34: ... close waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 4 TRCLOSE IC402 PIN 5 FIG 3 1 2 Tray close waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 4 TRCLOSE IC402 PIN 5 FIG 3 2 All manuals and user guides at all guides com ...

Страница 35: ...V 1 4V 1 0V IC501 PIN 19 STBY 5V IC401 PIN 50 SL 4 7V 3 6V 1 9V IC404 PIN 12 SL 5 3V 3 7V 2 5V IC404 PIN 11 FIG 4 1 3 Tray open waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 4 TRCLOSE IC402 PIN 5 FIG 3 3 All manuals and user guides at all guides com ...

Страница 36: ...2 F 4 0V 3 6V 3 2V IC404 PIN 14 F 4 0V 3 6V 3 2V IC404 PIN 13 FIG 5 1 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION MDI1 0V 180mV IC401 PIN 26 LD01 5 0V 3 5V IC401 PIN 20 LD02 5 0V 3 6V IC401 PIN 21 FIG 6 1 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 37: ...3 14 F IC404 PIN 14 FE IC401 PIN 40 RFL IC401 PIN 19 FIG 7 2 DVD 7 DISC TYPE JUDGEMENT WAVEFORMS F IC404 PIN 14 FE IC401 PIN 40 RFL IC401 PIN 19 FIG 7 1 DVD All manuals and user guides at all guides com ...

Страница 38: ...3 15 F IC404 PIN 14 FE IC401 PIN 40 RFL IC401 PIN 19 FIG 7 3 CD F IC404 PIN 14 FE IC401 PIN 40 RFL IC401 PIN 19 FIG 7 4 CD All manuals and user guides at all guides com ...

Страница 39: ...C401 PIN 40 FOSO IC501 PIN12 F IC404 PIN 14 F IC404 PIN 13 FIG 8 2 CD 8 FOCUS ON WAVEFORMS FE IC401 PIN 40 FOSO IC501 PIN12 F IC404 PIN 14 F IC404 PIN 13 FIG 8 1 DVD All manuals and user guides at all guides com ...

Страница 40: ... 1 4V 1 8V IC501 PIN 18 SP 3 6V 2 4V IC404 PIN 18 SP 3 6V 4 8V IC404 PIN 17 FIG 9 1 10 TRACKING CONTROL RELATED SIGNAL System checking TE IC401 PIN 39 TRSO IC501 PIN 13 T IC404 PIN 16 T IC404 PIN 15 FIG 10 1 DVD All manuals and user guides at all guides com ...

Страница 41: ...EFORM RFOP 2 3V 1 1V IC401 PIN 55 RFON 0 8V 2 0V IC401 PIN 57 FIG 11 1 TE IC401 PIN 39 TRSO IC501 PIN 13 T IC404 PIN 16 T IC404 PIN 15 FIG 10 2 CD All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 42: ...3 19 12 ES6698FD VIDEO OUTPUT WAVEFORMS 1 Full colorbar signal COMPOSIT IC501 PIN 110 FIG 12 1 2 Y IC501 PIN 113 FIG 12 2 All manuals and user guides at all guides com ...

Страница 43: ...Audio L R FIG 13 1 13 AUDIO OUTPUT FROM PWM IC IC300 PIN 68 49 2 Audio related Signal ASDAT0 IC501 PIN 117 ABCK IC501 PIN 123 ALRCK IC501 PIN 116 ASDATA3 FIG 13 2 All manuals and user guides at all guides com ...

Страница 44: ...3 21 1 R315 FRONT L 2 R310 FRONT R 3 R316 REAR 4 R324 REAR 5 R303 CENTER 6 R317 WOOFER 14 DVD AMP WAVEFORMS All manuals and user guides at all guides com ...

Страница 45: ...All manuals and user guides at all guides com ...

Страница 46: ...A B C D E F G H I J K L M N O P Q R S T 3 22 3 23 DVD PART SCHEMATIC DIAGRAMS 1 DVD MPEG DSP SCHEMATIC DIAGRAM All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 47: ...A B C D E F G H I J K L M N O P Q R S T 3 24 3 25 2 RF SERVO SCHEMATIC DIAGRAM All manuals and user guides at all guides com ...

Страница 48: ...3 KARAOKE SCHEMATIC DIAGRAM A B C D E F G H I J K L M N O P Q R S T 3 26 3 27 All manuals and user guides at all guides com ...

Страница 49: ...All manuals and user guides at all guides com ...

Страница 50: ... SECTION A43 KARAOKE OPTION 279 305 320 A44 465 463 A47 A46 463 463 463 351 463 463 463 A26 283 452 A41 274 274 452 A50 261 261 261 OPTIONAL PART 4 1 4 2 SECTION 4 EXPLODED VIEWS All manuals and user guides at all guides com ...

Страница 51: ...015A 4680R E008A MOTOR MECH FEEDING RF 300EA 1D390 MABUCHI NSP 015B 4560R 0008A PULLEY MOTOR 016 6871R 9294A PWB PCB ASSEMBLY TOTAL DP 9C LOADING 017 4470R 0176A GEAR DVD DP 9 LOADING MOLD 018 4974R 0067A GUIDE DVD DP 9C UP DOWN MOLD 019 3210R M008A FRAME DP 9C UP DOWN MOLD 020 3040R M066A BASE MAIN DP 9T MOLD NSP 021 4681R B009B MOTOR ASSEMBLY DECK MECHA DP9 FEEDING 024 4470R 0179A GEAR DVD DP 9 ...

Страница 52: ...O O CASE LHS 25SA MOLD REAR CASE 854 6871RU9306A O O PWB PCB ASSEMBLY SUBSET AUDIO LHS 25SCS STANDARD LUG RUBBER 854 6871RU9306B O O PWB PCB ASSEMBLY SUBSET AUDIO LHS 25SCS STANDARD LUG RUBBER 854 6871RU9306C O O PWB PCB ASSEMBLY SUBSET AUDIO LHS 25SCS STANDARD LUG RUBBER 854 6871RU9306D O O PWB PCB ASSEMBLY SUBSET AUDIO LHS 25SCS STANDARD LUG RUBBER 854 6871RU9306E O O PWB PCB ASSEMBLY SUBSET AUD...

Страница 53: ...HI 953 3701RM0060A NET ASSEMBLY SPK LHS D6235W NET ASSY STANDA 954 353M050C SCREW DRAWING BH 3 5X16 FBK 955 6400WSMH01A SPEAKER WOOFER CW 136B70L SAMMI WOOFER 8OHM 7 956 3091RMW164A CABINET ASSEMBLY SPK LHS 25SCW WOOD CABINET ASS 957 3610RM0009A FOOT LXS 330 EVA BLACK PHI15X1T 958 6871RU9271F PWB PCB ASSEMBLY SUBSET AUDIO LHS D6230W SUB WOOFER 2 5M OR A900 6401RM0227A SPEAKER ASSEMBLY F65C D275L 1...

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