Zenith DVB611 Скачать руководство пользователя страница 37 | Manualshive

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3-26

4. MPEG & MEMORY Block Diagram

IC605

EE

PROM

IC601 (MPEG + DSP + RF)

ZR36882

IC604

FLAS

H MEMORY

(16 M )

VIDEO

Inter

face

AUD

IO

Inter

face

IC901

LED DRI

VE

I

C

IC603

SDRAM

64

M

RA

MAD[00:11] ,R

AMCK

E

PCLK

,R

AMBA

,RAMCS

1

RA

MDQM

,RA

MW

E

RAM

CA

S

RAM

RA

S

RA

MDAT

[00:15]

X601

27MHz

C

_

Y,S_

Y

S

Y

_P

r_O

U

T

,Y_O

U

T

,S

C_Pb_ou

t

R

G

B_

SEL

,16_9_H

AM

CLK

,A

LRCK,ABCK

D_M

UT

E

AO

U

T

0

.M

L

I2CCLK/MC, I2CDAT/

MD

AS

PDIF

FLAS

HCS

-

MEM

WR-

MEM

RD

MEMAD[0:19]

MEM

DA[0:15]

DIN ,DOUT

CLK,STB

IC606

RES

ET IC

RES

ET

I2CCLK/MC

I2CDAT/MD

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Содержание DVB611

Страница 1: ...ct Year 2006 Summary 1 Cabinet Main Chassis 2 Electrical 3 Parts List 4 Published March 2006 by Technical Publications Zenith Electronics Corporation 201 James Record Road Huntsville Alabama 35824 151...

Страница 2: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST...

Страница 3: ...T SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SERVICE INFORMATION FOR E...

Страница 4: ...YS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE...

Страница 5: ...pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called...

Страница 6: ...Press number 0 9 Press charater A F 1 6 for a while Use arrow key F D G E to move to approprite position and make changes Press pause key once Change will be applied when power OFF ON MODEL DVB611 NA...

Страница 7: ...x 1 C 0 3 V p p 75 COMPONENT VIDEO OUT Y 1 0 V p p 75 negative sync RCA jack x 1 Pb Pr 0 7 V p p 75 RCA jack x 2 AUDIO OUT 2 0 Vrms 1 KHz 0 dB 600 RCA jack L R x 1 DIGITAL OUT COAXIAL 0 5 V p p 75 RCA...

Страница 8: ...7 2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Deck Mechanism Section DP 10 2 3 3 Packing Accessory Section 2 4...

Страница 9: ...83 280 452 452 CN902 P101 CABLE90 463 465 465 463 463 250 463 463 467 260 261 261 300 320 463 NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO T...

Страница 10: ...9 2 Deck Mechanism Section DP 10 2 3 001 002 003 020 439 018 013 017 015B 015A 440 019 012 015 012 432 030 010 439 431 435 021 430 024 025 036 012A 012A 026 016 435 014 A01 A02 A03 A00...

Страница 11: ...ection BATTERY 808 PACKING SHEET 804 PACKING OPTIONAL PARTS 803 806 820 OWNER S MANUAL RF CABLE 810 CABLE SET ASS Y 801 REMOCON 900 BOX CARTON 802 PACKING 803 811 812 PLUG ASS Y 1WAY YELLOW PLUG ASS Y...

Страница 12: ...12 ZR36882 AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF 3 19 13 ZR36882 VIDEO OUTPUT WAVEFORM 3 20 14 AUDIO OUTPUT FROM AUDIO DAC 3 21 BLOCK DIAGRAMS 3 23 1 Overall Block Diagram 3 23 2 Power SMPS Block Dia...

Страница 13: ...working Is 3 4V present at emitter of Q121 Replace Q121 Replace IC101 Is there a DC voltage at Cathode of D105 or D107 Check FR101 No 5V Is 3 4VA section working Replace Q126 Is 5 6V present at colle...

Страница 14: ...RISC Show LOGO Tray Closed Tray Close to Closed position SLED at Inner Side SLED Moves to Inner Position 1 Judge whether have disc and disc type 2 Jump to related disc reading procedure Recieve OPEN...

Страница 15: ...CBA YES Connect to PC RS232 Cable and update the FLASH memory code YES Update FLASH successfully YES A Replace power PCBA or AC transformer NO Repair or Replace Power PCBA NO Check the regulators or r...

Страница 16: ...connection lines between SDRAM ZR36882 and the SDRAM is damaged ZR36882 VIDEO outputs properly Check the related circuit of ZR36882 Have TV signal output Check AV cable connection to TV set Normal OU...

Страница 17: ...onnection line of MUTE signal NO Is SLED_S DC Level higher than 1 65V Check the related circuit of FMSO NO SLED and SLED output properly YES Check the amp circuit on motor driver Check FOCUS_S connect...

Страница 18: ...tor is OK Check the related circuit on laser power transistor NO Check cable connection between transistor ouput and pick up head YES YES YES Check the related circuit on ZR36882 RFL signal Check SPIN...

Страница 19: ...he FOCUS_S connection on ZR36882 and motor driver NO Check FOCUS_S signal on ZR36882 YES YES Check the TRACK_S connection on ZR36882 and motor dirver NO Check the tracking control amp circuit on motor...

Страница 20: ...END NO NO YES YES YES YES Check connection between ZR36882 Audio DAC NO Normal Audio DAC out YES Check the related circuit of Audio DAC NO Check Audio filter amplify mute circuit Communications betwe...

Страница 21: ...TAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1 SYSTEM 27MHz CLOCK RESET SIGNAL 1 ZR36882 main clock is at 27MH X601 FIG 1 1 3 1V 27MHz 2 ZR3682 reset is low active FIG 1 2 Reset Time 3 3VA PWR_CTL...

Страница 22: ...3 11 2 SDRAM CLOCK 1 SDRAM clock is at 143MHz FIG 2 1 IC603 PIN38 CLK 143MHz Vp p 3 3V 3 TRAY OPEN CLOSE SIGNAL 1 Tray open close waveform FIG 3 1 OPEN OPEN CLOSE CLOSE LM LM...

Страница 23: ...3 12 2 Tray open waveform FIG 3 2 3 Tray close waveform FIG 3 3 OPEN CLOSE LM LM OPEN CLOSE LM LM...

Страница 24: ...3 13 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION FIG 4 1 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION FIG 5 1 FOCUS_S FOCUS FOCUS SLED_S DRVSB SLED SLED...

Страница 25: ...3 14 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION FIG 6 1 7 DISC TYPE JUDGEMENT WAVEFORM FIG 7 1 DVD DCLK 128MHz Vp p 2 2 Vmax 2 7V FACT FE SBAD VR_CD DVD_LD CD_LD...

Страница 26: ...3 15 FIG 7 2 DVD FIG 7 3 CD FACT FACT FE FE SBAD SBAD...

Страница 27: ...3 16 FIG 7 4 CD 8 FOCUS ON WAVEFORM FIG 8 1 DVD FE FOSO FACT FACT FACT FE SBAD...

Страница 28: ...3 17 3 17 FIG 8 2 CD 9 SPINDLE CONTROL WAVEFORM NO DISC CONDITION DVD FIG 9 1 FOCUS FACT SPINDLE_S SP SP FE FACT...

Страница 29: ...3 18 10 TRACKING CONTROL RELATED SIGNAL System checking FIG 10 1 DVD FIG 10 2 CD TE TRACK_S TACT TACT TE TRACK_S TACT TACT...

Страница 30: ...3 19 11 RF WAVEFORM FIG 11 1 12 ZR36882 AUDIO OPTICAL AND COAXIAL OUTPUT SPDIF FIG 12 1 RFO SPDIF...

Страница 31: ...3 20 13 ZR36882 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS FIG 13 1 2 Y FIG 13 2 JK702 pin6 JK702 pin7...

Страница 32: ...3 21 14 AUDIO OUTPUT FROM AUDIO DAC 1 AUDIO L R FIG 14 1 3 C FIG 13 3 JK702 PIN8 JK702 PIN4 5 1KHz 0DB...

Страница 33: ...3 22 2 Audio Related Signal FIG 14 2 AOUT0 ABCK ALRCLK...

Страница 34: ...W OUTSW MEMDA 0 15 DMUTE I2CCLK MC IC603 ESMT_M12L64164A 4M 16BIT SDRAM V33A RAMAD 00 11 RAMCKE PCLK RAMBA RAMCS1 RAMDQM RAMWE RAMCAS RAMRAS I2CDAT MD IC601 ZORAN ZR36882 5V YC_MIX AMCLK ML OPEN CLOSE...

Страница 35: ...4 2 Power SMPS Block Diagram 8V 3 2V FILTER SWITCHING IC TRANS FEED B 3 4VA RECTIFIER 5 6V RECTIFIER 9 5V LPF RECTIFIER 14V LPF 12V PWR CTL 5V 5 6V M 5 6VA RECTIFIER 3 4V LPF AC100 240V RECTIFIER REG...

Страница 36: ...RACK_S DRVSB SPDL_SENS 1 8VA FACT FACT TACT TACT SLED SLED LOAD LOAD 27MHz X TAL CD_LD DVD_LD CD_DVD AL PC V20 PICKSEL TRIN TROUT IC603 4M x 16bit SDRAM RAMADD 0 11 RAMDQM RAMCKE PCLK RAMBA RAMCS1 RAM...

Страница 37: ...C901 LED DRIVE IC IC603 SDRAM 64M RAMAD 00 11 RAMCKE PCLK RAMBA RAMCS1 RAMDQM RAMWE RAMCAS RAMRAS RAMDAT 00 15 X601 27MHz C_Y S_Y SY_Pr_OUT Y_OUT SC_Pb_out RGB_SEL 16_9_H AMCLK ALRCK ABCK D_MUTE AOUT0...

Страница 38: ...Block Diagram IC701 VIDEO 6dB Amp IC703 AUDIO DAC 2CH IC672 OP Amp LPF Buffer CVBS COMPONENT R G B Y Pb Pr SUPER VIDEO Y C SY_Pr_OUT Y_OUT SC_Pb_OUT C_Y S_Y AMCLK ABCK ALRCK A V JACK MPEG MPEG AUDIO...

Страница 39: ......

Страница 40: ...HE NEW SERVICE LITERATURE IS PRINTED NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmeter during Play mode A B C D E...

Страница 41: ...3 30 3 31 2 SYSTEM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T...

Страница 42: ...3 32 3 33 A B C D E F G H I J K L M N O P Q R S T 3 SERVO CIRCUIT DIAGRAM...

Страница 43: ...3 34 3 35 4 AV JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T...

Страница 44: ...3 36 3 37 5 TIMER CIRCUIT DIAGRAM 3 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T...

Страница 45: ...3 38 3 39 6 TIMER CIRCUIT DIAGRAM 4 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T...

Страница 46: ...3 40 3 41 7 TIMER CIRCUIT DIAGRAM 6 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T...

Страница 47: ...3 42 3 43 8 TIMER CIRCUIT DIAGRAM 7 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T...

Страница 48: ...3 44 3 45 9 TIMER CIRCUIT DIAGRAM 8 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T...

Страница 49: ...0 01 147 0 75 1 23 148 0 01 0 01 149 3 37 3 21 150 0 98 1 32 151 0 98 1 31 152 3 39 3 26 153 1 28 1 62 154 1 28 1 65 155 0 01 0 01 156 0 01 0 01 157 1 65 1 31 158 1 65 1 31 159 3 25 3 36 160 2 64 3 2...

Страница 50: ...3 48 3 49 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW...

Страница 51: ...3 50 3 51 2 KEY P C BOARD LOCATION GUIDE 3 TIMER P C BOARD TOP VIEW LOCATION GUIDE BOTTOM VIEW...

Страница 52: ...3 52 3 53 4 SMPS P C BOARD 360mm ONLY 5 SMPS P C BOARD 430mm ONLY LOCATION GUIDE...

Страница 53: ......

Страница 54: ...NNECTOR ASSEMBLY GIL S2 9073 2ST 2P 250M M DVD DIG901 6301R2U017A LED ASSEMBLY TOS 2604AG B4 OASIS UNIVERSAL RC901 6712R1238HA REMOTE CONTROLLER RECEIVER AT138ARF1 OPTO 346HF6N2 B 38K SW902 6600R00002...

Страница 55: ...024 4470R 0179A GEAR DVD DP 9 PINION MOLD 025 4470R 0178A GEAR DVD DP 9 MIDDLE MOLD 030 4470R 0180A GEAR DVD DP 9 RACK MOLD 036 4370R 0136A SHAFT DVD PU DR 02 SUS 420J2 OTHER 431 1SZZR 0062A SCREW DRA...

Страница 56: ...CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C205 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C206 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C207 0CH...

Страница 57: ...IGH D 33PF 50V 5 NP0 1608 R TP C664 0CH1104K942 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 50V 80 20 Y5V F 1608 C674 0CH1102K562 CAPACITOR FIXED CERAMIC TEMP C 1000PF 50V 10 X7R X 1608 R T C675 0CH1223F512...

Страница 58: ...721 0CH4101K412 CAPACITOR FIXED CERAMIC HIGH D 100PF 50V 5 NP0 1608 R TP C730 0CH1105F942 CAPACITOR FIXED CERAMIC TEMP C 1000000PF 16V 80 20 Y5V F C776 0CH1105F942 CAPACITOR FIXED CERAMIC TEMP C 10000...

Страница 59: ...0TR390409DA TRANSISTOR BIPOLARS 2N3904S NPN SOT 23 TP KEC Q602 0TR390409DA TRANSISTOR BIPOLARS 2N3904S NPN SOT 23 TP KEC Q603 0TR390409DA TRANSISTOR BIPOLARS 2N3904S NPN SOT 23 TP KEC Q701 0TR103709B...

Страница 60: ...HM 1 16 W 1608 5 00 D R621 0RH2201C622 RESISTOR METAL GLAZED CHIP 2 2K OHM 1 16 W 1608 5 00 D R623 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R624 0RH1000C622 RESISTOR METAL GL...

Страница 61: ...H1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R730 0RH0752C422 RESISTOR METAL GLAZED CHIP 75 OHM 1 16 W 1608 1 00 D R731 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00...

Страница 62: ...E D108 0DRGF00309A DIODE RECTIFIERS 1A5 GULF TP R4 600V 1A 30A SE D108 0DRRE00203A DIODE RECTIFIERS 1A7 RECTRON TP26 R3 600V 1A 30 ALTERNATE D121 0DR810040BA DIODE RECTIFIERS ERC81 004L22 BK FUJI DO20...

Страница 63: ...OR FIXED CARBON FILM 220 OHM 1 6 W 5 TA26 R143 0RD2200F608 RESISTOR FIXED CARBON FILM 220 OHM 1 6 W 5 TA26 R144 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R145 0RD1001F608 RESISTOR FIX...

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