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CLASS 1

LASER PRODUCT

Service

FWD796/

21/21M

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.

Published by SL-ET0519 Service Audio Printed in The Netherlands Subject to modification.

3141 785 30360

Mini System

VIDEO CD

Version 1.0

Service Manual

TABLE OF CONTENTS

Page

Location of PCBs & Specifications .................. 1-2 to 1-3

Measurement Setup & Service Aids ................ 1-4 to 1-5

ESD & Safety Instruction ............................................ 1-6

Lead-Free Information & Service Instruction ............. 1-7

Preparations & Controls & Troubleshooting .. 1-8 to 1-14

Setting Procedure & Repair Instructions ....................... 2

Disassembly Instructions & Service positions .............. 3

Set Block & Wiring Diagram .......................................... 4

Key/Video/Sensor/Phone/Vol /Vu Board ....................... 5

Tuner Board ................................................................... 6

Main Board .................................................................... 7

Power Board .................................................................. 8

Mechanical Exploded View & Parts List ......................

....9

Subwoofer Part ............................................................ 1

Location of PCBs & Specifications .......................... 1

-1

Measurement Setup & Service Position ..... 1

-2 to 1

-3

Disassembly Instructions & Service Positions ........ 1

-4

Set Block & Wiring Diagram ........................ 1

-5 to 1

-6

Main Board ................................................ 1

-7 to 1

-11

Power & LED Board ................................ 1

-12 to 1

-15

Exploded View & Parts List ..................... 1

-16 to 1

-17

Содержание FWD21

Страница 1: ...F CONTENTS Page Location of PCBs Specifications 1 2 to 1 3 Measurement Setup Service Aids 1 4 to 1 5 ESD Safety Instruction 1 6 Lead Free Information Service Instruction 1 7 Preparations Controls Troubleshooting 1 8 to 1 14 Setting Procedure Repair Instructions 2 Disassembly Instructions Service positions 3 Set Block Wiring Diagram 4 Key Video Sensor Phone Vol Vu Board 5 Tuner Board 6 Main Board 7...

Страница 2: ...Surround Karaoke Features Voltage Selector Standby FTD Clock Display x ECO6 Tuner Board Systems Non Cenelec ECO6 Tuner Board Systems Cenelec x Center Surround Channel ETF7 ND DD FR x ETF7 DB DD FR VERSION VARIATIONS Type Versions FWD796 Features Board in used MAIN BOARD KEY CDC BOARD VFD BOARD VU METER BOARD KEY BOARD x HEADPHONE BOARD GAME PORT BOARD MOTOR2 BOARD MOTOR1 BOARD x x x x x x x x x x ...

Страница 3: ...ape type 1 80 12500 Hz 8 dB Signal to Noise Ratio Normal tape type 1 46 dBA Wow and flutter 0 4 DIN DVD SECTION Laser Type Semiconductor Disc Diameter 12cm 8cm Video Decoding MPEG 2 MPEG 1 Video DAC 10 Bits Signal System PAL NTSC Video Format 4 3 16 9 Video S N 56 dB minimum Composite Video Output 1 0 Vp p 75 Ω S Video Output Y 1 0 Vp p 75 Ω C 0 286 Vp p 75 Ω Audio DAC 24 Bits 96 kHz Frequency Res...

Страница 4: ...15kHz e g 7122 707 48001 LF Voltmeter e g PM2534 DUT S N and distortion meter e g Sound Technology ST1700B Frame aerial e g 7122 707 89001 Tuner AM MW LW To avoid atmospheric interference all AM measurements have to be carried out in a Faraday s cage Use a bandpass filter or at least a high pass filter with 250Hz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50Ω Bandpass 250Hz 15kHz e g 7...

Страница 5: ...t Disc 4822 395 10216 ESD Equipment Anti static table mat large 1200x650x1 25mm 4822 466 10953 anti static table mat small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connectorbox 1MΩ 4822 395 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat to conn box 4822 320 11306 Earth cable to Connect product to mat or box 4822...

Страница 6: ...n osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale Pour votre sécurité ces documents doivent être utilisés par des spécia listes ...

Страница 7: ...1 7 ...

Страница 8: ...f you are using an RF modulator Selecting the color system that matches your TV set This DVD Mini Hi Fi System is compatible with both NTSC and PAL For the playback of a DVD disc on this DVD Mini Hi Fi System the color systems of the DVD TV set and DVD Mini Hi Fi System should match 1 In disc mode stop playback and press SYSTEM MENU 2 Select icon and press 4 3 Press 1 5 4 keys on the remote contro...

Страница 9: ... select your preferred option Move to and press Move to one of the following and press Audio disc s soundtrack Subtitle disc s subtitles Disc Menu on screen menu 4 Press 5 4 to select a language and press OK 5 Repeat steps 3 4 for other settings To remove the menu Press SYSTEM MENU Connections Step 1 Placing speakers Place the front left and right speakers at equal distances from the TV set and at...

Страница 10: ...t video input jacks or labeled as Pr Cr Pb Cb Y or YUV on the TV set To listen to TV channels through this system use the audio cables white red to connect AUX IN jacks to the corresponding AUDIO OUT jacks on the TV set Connections IMPORTANT If your TV set only has a single Antenna In jack or labeled as 75 ohm or RF In you will need a RF modulator in order to view the DVD playback via TV See your ...

Страница 11: ...ot supplied to connect its audio output to the GAMEPORT AUDIO L AUDIO R terminals Use the video cable yellow to connect the VIDEO OUT terminal to the video input on the TV for viewing Notes On the TV the Video Input jack is usually yellow and might be labeled A V In CVBS composite or Baseband To avoid magnetic interference do not position the front speakers too close to your TV COMPONENT VIDEO IN ...

Страница 12: ...imer TAPE DECK 1 2 0 OPEN to open the tape deck door AUTO REPLAY to select continuous playback in either AUTO PLAY or ONCE mode only RECORD to start recording on tape deck 2 VIDEO use a video cable to connect to your game console s video output AUDIO L AUDIO R use an audio cable to connect to your game console s left right audio output SOUND to select various sound effect SURROUND to select variou...

Страница 13: ...tle number of the disc to enter a number of preset radio stations VOL adjust the volume level adjust key control ECHO level in karaoke mode adjust speakers level in speaker setting mode OK to exit or confirm the selection GOTO to go direct to desired title chapter or time PROGRAM in disc mode to program favorite tracks in tuner mode to program favorite stations SHUFFLE to playback in random mode E...

Страница 14: ...ower plug from the jack and insert again Troubleshooting Problem Solution The language for the sound or subtitle cannot be changed when playing a DVD No image is output when a function is selected Sound cannot be heard or is of poor quality Poor radio reception Recording or playback cannot be made The tape deck door cannot open Left and right sound outputs are reversed The remote control does not ...

Страница 15: ...o 25 When the counter reach 25 you will not be able to further change the code until you reset the timer by the Region Code timer reset procedure 3 Region code change timer reset Press below key to reset the timer a In DISC source stop mode and no disc in tray b Press R C Play 159 PLAY to reset timer to 25 4 Tuner area change a Press the OPEN CLOSE button to open the set s door b Press 1 5 9 butto...

Страница 16: ...2 2 REPAIR INSTRUCTIONS 2 2 ...

Страница 17: ...2 3 REPAIR INSTRUCTIONS 2 3 ...

Страница 18: ...order to reach the catches for the Cover Front Ornamental pos 130 1 Loosen the 4 screws slide Cover top pos 255 towards the rear and remove it upwards 3 Push the gear slowly towards the front as shown in figure 3 until the CDC tray starts to move out of the Front Cabinet The CDC tray is now disengaged and can be pulled out completely 1 Remove the Volume knobs as stated in Dismantling the Cover Fro...

Страница 19: ...osen 2 screws D at the bottom of the Front Cabinet on both sides of the set 3 Release 2 catches C on both sides of the Front Cabinet and pull the Front Cabinet assembly out of the Bottom plate Dismantling of the Rear Panel 1 Loosen 8 screws J to remove the Rear Panel figure 11 3 Release 2 catches K on both sides of the Rear Panel with the help of a minus screw driver and pull out the Rear Panel fi...

Страница 20: ...rvice position B Service position C Note After re assembly it is very important to ensure the wiresareproperlyinsertedintotheirrespectivesockets and routed not to touch or obstruct any moving parts Service positions 3 3 3 3 ...

Страница 21: ...4 1 SET BLOCK DIAGRAM 4 1 ...

Страница 22: ...4 2 SET WIRING DIAGRAM 4 2 ...

Страница 23: ... Diagram Pin Description 5 2 Circuit Diagram 5 3 PCB Layout Top View 5 4 PCB Layout Bottom View 5 5 Electrical Parts List 5 7 5 1 FTD DISPLAY PIN ASSIGNMENT PIN CONNECTION Note 1 Fn Filament pin 2 nG Grid pin 3 Pn Anode pin 4 NP No Pin 5 NC No Connection pin 5 1 6 4 45 544 54 4 6 4 6 4 6 6 6 6 6 6 6 6 6 6 6 6 6 4 6 6 6 6 4 6 E ...

Страница 24: ... o r f g n i t r a t s k c o l c t f i h s e h t o C o N C N n o i t c e n n I K L C n i P t u p n I k c o l C h T s i i p d n a e g d e g n i s i r e h t t a a t a d l a i r e s s d a e r n t a a t a d s t u p t u o a f e h t g n i l l e g d e I B T S l a i r e S t S e c a f r e t n I n i P e b o r h T s i n e l l a f s a h B T S e h t r e t f a t u p n i a t a d e e c o r p s a d e s s o c a d n...

Страница 25: ... R291 C6 R292 C6 R293 C6 R294 C6 R295 C6 R296 C6 R297 C6 R298 C6 R299 D6 R2001 A1 R2002 A1 R2003 A1 R2004 A1 R2005 A1 R2006 A1 R2010 A2 R2011 A1 R2012 A2 R2013 A1 R2014 A2 R2016 B3 R2017 B3 R2018 B3 R2019 B3 R2020 B3 R2021 A4 R2023 A4 R2024 B4 R2025 B4 R2026 B4 R2027 B4 R2028 B2 R2029 B1 R2030 B1 R2031 A1 R2032 A1 R2033 A1 R2034 A3 R2035 A3 R2036 A3 R2039 B2 R2040 C1 R2041 C1 R2046 D3 R2056 C2 R20...

Страница 26: ... R2045 B4 R2046 A4 RB252 A5 RB253 B5 RB254 B4 RB257 C3 RB803 C4 RB804 C4 SW803 C5 SW804 C5 TA255 A5 TA258 B1 TA259 B1 TA260 A1 TA261 B2 TA262 A1 TA263 B1 TA265 B3 TA266 B3 TA267 B2 TA268 B3 TA269 B4 TA270 A2 TA271 A3 TA272 A3 TA273 A4 TA274 B3 TA276 A5 TA277 A5 TA278 B5 TA279 B5 TA280 C3 TA281 C2 TA282 C2 TA283 C1 TA284 C1 TP5 B5 VR201 A5 ...

Страница 27: ...A5 R285 A5 R286 A5 R287 A5 R288 A5 R289 A5 R290 A4 R294 A4 R295 A4 R296 A4 R297 A4 R298 A4 R299 A4 R2004 B4 R2005 B4 R2006 B4 R2007 C4 R2008 C4 R2009 C4 R2010 B3 R2011 B4 R2012 B4 R2013 B4 R2016 B4 R2017 B4 R2018 B3 R2019 B3 R2020 B1 R2024 B1 R2025 B1 R2026 B1 R2027 B1 R2029 C4 R2030 C4 R2040 A5 R2041 A5 R2056 B1 R2057 B1 R2062 B4 R2063 C4 R2064 C4 R2066 B3 R2067 B4 R2068 B4 R2071 B3 R2074 A1 R207...

Страница 28: ...24 C3 C2025 C3 C2026 B4 C2027 B1 C2029 B3 C2030 B3 C2031 B3 C2225 A1 C2226 A1 C2227 A1 C2228 B3 ESDC2 D1 ESDC5 D1 IC251 A2 IC255 B4 Q251 A1 Q252 A1 Q255 A1 Q256 A1 Q257 A1 Q259 C3 R230 A4 R291 A4 R292 A4 R293 A4 R2001 A1 R2002 A1 R2003 A1 R2014 B3 R2021 B1 R2023 B1 R2028 A1 R2031 A1 R2032 A1 R2033 A1 R2034 B1 R2035 A1 R2036 A1 R2039 B1 R2052 B1 R2053 B1 R2054 B1 R2055 B1 R2075 A1 R2080 C4 R2098 B4...

Страница 29: ... SW 50MA 12V LD266 9940 000 00018 LED VR201 9940 000 00885 CONTROL ROTRY 20KB Q251 9940 000 00915 XISTR NPN 2SC1623 VR301 9940 000 00882 CONTROL ROTRY 50KB Q252 9940 000 00915 XISTR NPN 2SC1623 XL251 9940 000 00966 CRYSTAL 4 194304MHZ Q253 9940 000 00886 MOS FET 2N7000 60V 200MA Q254 9940 000 00886 MOS FET 2N7000 60V 200MA Q255 9940 000 00914 FET 2N7002LT1 Q256 9940 000 00914 FET 2N7002LT1 Q257 99...

Страница 30: ... adjust to max channel separation input signal stereo left 90 9 adjust output on right channel to minimum 2 RC network serves for damping the IF filter while adjusting the other one 3 For AM RF adjustments the original frame antenna has to be used max symmetric fo max symmetric fo R220 100nF 24 IC001 450kHz Connect pin 6 of IC001 AM Osc with short wire to ground pin 4 AM AFC MW f 15kHz VRF 3mV Use...

Страница 31: ...C043 D2 C044 C2 C045 C2 C046 C2 C047 D1 C048 D1 C049 A2 C050 B3 C071 B3 CN001 D2 CN002 A2 D001 A1 D002 A1 D004 C2 D005 A2 EF450 G1 A1 IC001 B2 IC002 D1 IF001 B1 IF002 C1 IF003 C3 Q001 B1 Q002 D2 Q003 C2 Q004 B3 R01 C1 R001 B1 R002 A1 R003 B1 R004 B1 R005 B1 R006 B2 R007 A1 R008 B1 R009 A1 R010 A3 R011 A3 R012 B3 R013 B3 R014 B3 R015 B2 R016 D2 R017 B3 R018 C2 R019 C2 R020 D3 R021 D3 R023 D2 R024 D...

Страница 32: ...C024 D2 C025 C1 C027 D2 C028 D2 C029 C1 C030 C2 C033 D2 C036 D1 C037 C1 C038 D1 C039 D1 C042 D1 C043 D1 C044 D2 C045 C2 C046 C2 C047 D2 C048 D2 CN001 D2 CN002 A1 D001 A1 D002 A2 D004 D1 IC001 C2 IF001 B2 IF002 C2 IF003 C1 Q002 C2 Q003 D1 R01 D2 R005 C2 R024 D2 R035 D2 T001 B2 T002 C2 T003 C2 T004 C1 T005 B1 T006 C1 VC001 B1 VD001 C1 VD002 C1 VR001 D1 XL1 C2 XL2 C2 ...

Страница 33: ... C2 C049 C1 C050 B2 C071 C1 D005 B1 IC001 C2 IC002 D2 Q001 B2 Q002 C2 Q003 D1 Q004 A2 R001 A1 R002 A1 R003 A1 R004 B2 R006 B1 R007 B2 R008 A1 R009 B2 R010 C1 R011 C1 R012 B2 R013 B2 R014 B2 R015 D1 R016 D2 R017 B1 R018 C1 R019 D1 R020 D1 R021 D1 R023 D1 R025 B2 R026 B2 R027 C2 R028 D1 R029 D1 R030 D1 R033 D1 R034 D2 R036 A2 R037 A2 R038 D2 R039 D2 R040 A2 R046 B2 T002 C2 T003 C2 T004 C1 T006 C1 VD...

Страница 34: ...920 INTERNAL IC DIAGRAM OUT1 VSSP1 VDDP2 DRIVER HIGH MBL461 OUT2 BOOT2 TDA8920TH BOOT1 DRIVER LOW RELEASE1 SWITCH1 ENABLE1 CONTROL AND HANDSHAKE PWM MODULATOR MANAGER OSCILLATOR TEMPERATURE SENSOR CURRENT PROTECTION STABI MODE INPUT STAGE mute 9 8 IN1 IN1 22 21 20 17 16 15 VSSP2 VSSP1 DRIVER HIGH DRIVER LOW RELEASE2 SWITCH2 ENABLE2 CONTROL AND HANDSHAKE PWM MODULATOR 11 SGND1 7 OSC 2 SGND2 6 MODE ...

Страница 35: ... BOARD ES6698 8 16 MB DRAM RF Amp VFD Driver Audio DAC TV Display Speakers Video EEPROM A V Receiver Vibratto II VFD Panel Audio ADC Microphone In S PDIF ROM Flash Motor Driver OPU Motor DVD CD IR Remote ES6603S 7 2 7 2 ...

Страница 36: ...6 B4 C297 B4 C801 A1 C802 A1 C803 A2 C804 A2 C805 A2 C806 B2 C807 A2 C808 A3 C809 A3 C810 A3 C811 A3 C812 A4 C813 A4 C814 A4 C815 A4 C817 A3 C818 A3 C819 A3 C820 A3 C821 A3 C822 A4 C823 A4 C824 A4 C825 B4 C826 B4 C827 B4 C828 B4 C829 B2 C830 B2 C831 B2 C832 B3 C833 B3 C834 B2 C835 B3 C836 C2 C837 D2 C838 C1 C839 D1 C840 D1 C841 D1 C853 D1 C854 D1 C857 D1 C855 B5 C856 B5 C2001 B6 C2002 B6 C2201 D4 ...

Страница 37: ...CIRCUIT DIAGRAM MAIN BOARD 1 2 3 4 5 6 1 2 3 4 5 6 A B C D A B C D 7 4 7 4 ...

Страница 38: ...7 5 7 5 CIRCUIT DIAGRAM MAPPING MAIN BOARD SERVO PART ...

Страница 39: ... L702 B5 L703 A5 Q701 A1 Q702 B1 Q703 B1 Q704 B1 Q705 B1 Q706 B2 Q707 B3 Q708 A3 Q709 B3 Q710 A4 Q711 A4 Q712 A5 Q713 A5 Q714 A5 Q715 A5 Q716 A5 Q717 A5 Q1101 C2 R7 C2 R701 A1 R702 A1 R703 A1 R704 A1 R705 A1 R706 A1 R707 A1 R708 A1 R709 A1 R710 A2 R711 A2 R712 A2 R713 B1 R714 B2 R715 B2 R716 A2 R717 A2 R718 A2 R719 A2 R720 A2 R721 A2 R722 A2 R723 A2 R724 A2 R725 A2 R726 A3 R727 A3 R728 A3 R729 A3 ...

Страница 40: ...7 7 7 7 A 1 2 3 4 5 1 2 3 4 5 B C D E A B C D E C49 PCB LAYOUT MAIN BOARD TOP VIEW ...

Страница 41: ...PCB LAYOUT MAPPING MAIN BOARD TOP VIEW PCB LAYOUT MAPPING MAIN BOARD BOTTOM VIEW 7 8 7 8 ...

Страница 42: ...7 9 7 9 R17 R3017 R3018 R3019 R3020 D3 A 5 4 3 2 1 5 4 3 2 1 B C D E A B C D E PCB LAYOUT MAIN BOARD BOTTOM VIEW ...

Страница 43: ...00 00864 FET J111TO92 40V 20MA IC221 9940 000 00838 IC 20PIN 74F244 RA201 9940 000 00865 RES ARRAY 4X33R 1 10W 5 IC222 9940 000 00839 IC 16PIN 74F138D RA202 9940 000 00865 RES ARRAY 4X33R 1 10W 5 IC3001 9940 000 00841 IC 16PIN TC4052BFN RA204 9965 000 23614 CHIP ARRAY 10 RX4 1 16 W 5 IC3002 9940 000 00842 IC 8PIN JRC4558M RA205 9965 000 23614 CHIP ARRAY 10 RX4 1 16 W 5 IC3002A 9940 000 00842 IC 8P...

Страница 44: ...2 PCB Layout 8 3 Electrical Parts List 8 4 8 1 8 1 KA5M02659RN INTERNAL BLOCK DIAGRAM OSCILLATOR 1 2 3 7 14 12 10 11 9 8 C1 E1 C2 E2 VCC RT CT VREF GND 13 1 6 5 4 2 16 15 BAND GAP REFERENCE OUTPUT CONTROL DEAD TIME CONTROL EA EA EA EA PWM COMP COMP INPUT 0 7MA 1 2V D Q Q CK 5V ...

Страница 45: ...2 D951 A4 D952 A5 D953 B5 D954 B3 D955 B3 D958 C3 D959 C3 D960 C3 D962 C3 F901 D1 GT901 C1 IC901 C2 IC902 D3 IC951 A3 IC952 A3 IC953 A B5 IC953 C B5 IC954 B4 IC955 D3 L901 C1 L951 A4 L952 A4 L954 B3 L955 C3 L956 C4 L957 D3 L958 C5 L959 D3 L966 C3 Q901 A2 Q902 B2 Q903 C2 Q904 C2 Q905 D2 Q951 B3 Q952 B3 Q953 C4 Q954 C3 Q955 C4 Q956 D4 Q957 C4 Q959 D4 Q960 D4 R1 B1 R2 A1 R3 B1 R902 A1 R903 B1 R904 A2...

Страница 46: ...54 C5 IC955 D5 J801 D8 J802 C8 J803 C8 J804 C8 J805 C8 J806 B8 JMP1 A2 JMP2 B1 JMP4 C6 JMP5 C5 JMP6 D6 JMP7 B7 JMP8 C7 JMP9 B7 JMP10 B3 JMP11 C2 JMP12 C2 JMP13 D5 JMP14 D5 JMP15 D3 JMP16 A1 JMP17 D5 JMP18 C6 JMP19 B3 JMP20 D3 JMP21 D6 JMP22 C6 JMP23 C7 JMP24 B1 JMP25 B1 JMP26 B1 JMP27 C5 JMP30 A1 JMP31 A1 L901 C2 L951 A6 L952 C7 L954 B5 L955 D6 L956 C5 L957 D5 L958 C6 L959 D5 L966 C5 Q901 C3 Q902 ...

Страница 47: ...C927 9940 000 01086 COND DISC 0 01µF 1KV 20 TR902 9940 000 01057 SW MODEL TRANSFORMER C928 9940 000 01085 COND DISC 0 001µF 1KV 20 TR903 9940 000 00961 SW MODEL TRANSFORMER C958 9940 000 01085 COND DISC 0 001µF 1KV 20 TVR901 9940 000 00962 PTC THERMISTOR 50A 561V C982 9940 000 00936 COND DISC 470PF 1KV 10 ZD905 9940 000 00963 DIODE P6KE200A C985 9940 000 00936 COND DISC 470PF 1KV 10 C986 9940 000 ...

Страница 48: ... SCREW L8xP1 06xT3 0mm D 7 5mm 70 SCREW T3 0xL8xP1 06mm 0 47g 72 SCREW M3 0xP0 5x8 73 SCREW T3 0xL8xP1 06mm 74 SCREW M3 0xP0 5x6 0 5g 76 SCREW T3 0xL8 0xW 10 0mm 77 SCREW T3 0xL10xP1 06mm 78 SCREW M3x6x0 5P 79 SCREW M3 0xP0 5x10 80 SCREW T3 0xL10xP1 06mm 10 13 11 MECHANICAL EXPLODED VIEW ...

Страница 49: ...940 000 00904 WINDOW DISPLAY 17 9940 000 01044 PANEL FRONT DISPLAY 18 9940 000 01045 FRONT CDC 19 9965 000 22119 FOOT RUBBER 20 9940 000 01048 FRONT CABINET 21 9965 000 22120 DAMPER ASSY MODULE 0 8 24 9965 000 22141 PUSH CATCH RIGHT 25 9965 000 22140 PUSH CATCH LEFT 30 9940 000 00895 BUT CNTL 3 32 9940 000 00893 BUT CNTL 1 33 9940 000 00894 BUT CNTL 2 34 9940 000 00876 KARAOKE KNOB 37 9940 000 008...

Страница 50: ...esign 6 5 Output Power 10 at 80Hz 100W 4Ω Reproduction Frequency Response 30 Hz 200 Hz Input Sensitivity Subwoofer In 450 mV rms AC Power 110 127V 220 240V Power Consumption 40 W at 1 8 Rated Power Dimensions w x h x d 200 mm x 310 mm x 380 mm Weight 6 2 Kg LED BOARD POWER BOARD MAIN BOARD ...

Страница 51: ...MEASUREMENT SETUP AUDIO Generator IN JK401 OUT JK501 DUT LOAD 3OHM LEVEL DISTORTION METER SCOPE 10 2 ...

Страница 52: ...e the Subwoofer Box as shown in the Picture 3 Bottom view and use a screw driver to force open the front assembly Dismantling the Rear assembly 1 Loosen 8 screws A as shown in the Picture 4 Rear View to pull out the Printed Circuit Board assembly Caution Do not break the bundle of wires to the front Take care the surface when take out the front panel of subwoofer Caution Do not break the bundle of...

Страница 53: ...10 4 SERVICE POSITION ...

Страница 54: ...10 5 SUBWOOFER SET BLOCK DIAGRAM 10 5 ...

Страница 55: ...SUBWOOFER SET WIRING DIRGRAM 10 6 10 6 ...

Страница 56: ...IGH DRIVER LOW 15 16 BOOT1 OUT1 VSSP1 MUTE SGND1 OSC 7 MODE 6 MODE OSDILLATOR STAB1 MANAGER TEMPERATURE SENSOR CURRENT PROTECTION TDA8920TH SGND2 IN2 IN2 5 4 MUTE VSSA2 VSSA1 1 12 PWM MODULATOR VSSD HW 24 19 ENABLE2 SWITCH2 RELEASE2 CONTROL AND HANDSHAKE DRIVER HIGH DRIVER LOW VDDP2 BOOT2 22 OUT2 21 VSSP1 VSSP2 17 20 Inputs Q3 Q4 Q5 Q2 Q1 VCC Q6 J1 J2 Q17 Q20 Q23 24 J3 2 0 k Q14 Q15 10 pF Q19 Q21 ...

Страница 57: ...05 5 6K R518 30K R513 30K R535 10K R537 1 8K R536 30K R538 470 R304 39K R303 560 R302 10K R301 47K R924 4 7K R923 100K R921 220K R917 4 7K R918 15K R919 100K R922 1K 24V 24V L IN R IN C IN MUTE SW IN JK501 SPK 3CH 6P C418 10UF 50V C406 10UF 50V C407 10UF 50V C408 10UF 50V C405 10UF 50V ZD906 8 5V D901 1N4148 D903 1N4148 D904 1N4148 D902 1N4148 D9071N4148 D9051N4148 C901 10UF 50V C902 100u 50V Q901...

Страница 58: ... C920 C2 C921 C3 C922 C4 C923 C3 C925 E2 C926 E2 C929 A3 C930 A3 C931 A3 CN301 B4 CN501 A2 CN901 A4 CN902 E4 CN904 E4 D301 B2 D906 A3 D908 B3 D909 B2 FB401 E1 FB402 E1 FB403 E1 FB404 E1 FB405 B3 FB901 B3 FB902 A3 FB903 B3 FB904 A3 FB905 E3 FB906 E3 FB907 E3 IC401 E2 IC501 D3 IC502 D3 JK401 E1 JK501 A1 L501 A2 L502 A2 L503 B2 L504 B2 Q301 B2 Q501 D2 Q502 D2 Q906 B3 Q907 B3 Q908 E4 R301 B3 R302 B3 R...

Страница 59: ... B2 C572 C2 C573 C2 C578 D4 C579 D4 C580 D3 C904 A1 C918 A4 C919 A4 C927 B1 C928 A1 C931 B4 D501 D2 D502 D2 D901 D2 D902 D2 D903 D2 D904 D2 D905 D2 D907 D2 Q901 B1 Q902 B1 R409 C1 R413 C1 R501 B1 R501 A1 R503 C2 R504 B2 R505 B1 R506 A1 R507 C1 R508 B2 R509 B2 R510 A2 R511 C2 R512 B2 R513 B2 R514 B2 R516 A2 R518 C2 R519 C2 R521 C2 R523 B2 R524 A2 R525 C2 R526 C2 R527 B2 R528 A2 R529 C2 R530 B2 R535...

Страница 60: ...46 IC 24P TDA8920BTH IC502 994000000846 IC 24P TDA8920BTH JK401 996500022220 DIN JACK 8PIN JK501 994000002062 SPK JACK 6P G G B Bx3 ZD903 996500026940 DIODE ZENR 11 9 12 4V 0 5W ZD904 996500026940 DIODE ZENR 11 9 12 4V 0 5W ZD905 996500015910 ZENER DIODE UDZS 5 1B ZD906 994000002063 DIODE ZENER 8 5 8 9V 0 5W Note Only these parts mentioned in the list are normal service parts ...

Страница 61: ...DS TABLE OF CONTENTS Internal IC Diagram 10 12 Circuit Diagram 10 13 PCB Layout View 10 14 Electrical Parts list 10 15 10 12 10 12 IC KA7500C INTERNAL IC DIAGRAM IC BA4558D INTERNAL IC DIAGRAM OUTPUT V INPUT INPUT V ...

Страница 62: ...901 T TR350W B 4 5 3 1 6 10 2 8 T902 T TR16 A R909 R30 120 R918 R30 120 R917 R30 120 C905 OPEN 102P 400V C906 OPEN 102P 400V R953 R20 680 R979 R06 10 R968 R06 1K D953 HER104 R910 R30 120 C928 102P 1KV C970 47U25V C952 101P 1KV C957 101P 1KV R951 R06 30K ZD953 ZD 24V R955 R06 1K R988 R06 1K E C B Q957 2SC945 R956 R06 4K7 R992 R06 4K7 E C B Q958 2SC945 R995 R06 22K R994 R06 47K R30 IS 3W R04 IS 1 4W...

Страница 63: ...951 A3 IC952 B4 J901 D3 J902 E3 J903 D3 J904 C1 J905 D2 J906 C3 J907 C4 J908 C4 J909 B4 J910 B4 J911 B4 J912 B4 J913 A3 J914 B2 J915 B1 J916 B1 L901 D2 L951 B3 L952 A2 L957 B4 NTC901D3 Q901 C1 Q902 C4 Q911 B2 Q912 B1 Q951 B3 Q952 B4 Q957 B1 Q958 B1 R900 B1 R901 D2 R902 E2 R903 E3 R904 D3 R905 C2 R906 C3 R907 C1 R908 C4 R909 C1 R910 C4 R911 B1 R912 B1 R913 B1 R914 B1 R915 A1 R916 B1 R918 C2 R951 A1...

Страница 64: ...E UF3003 3A 200V D972 9940 000 00943 DIODE UF3003 3A 200V D973 9940 000 00943 DIODE UF3003 3A 200V D975 9940 000 00943 DIODE UF3003 3A 200V F901 9965 000 17388 FUSE 3 15A 250V IC951 9940 000 00949 IC 8P NJM4558D IC952 9940 000 00951 IC 16P KA7500C L901 9940 000 02066 LINE FILTER 4P 42 0mH 30 L951 9965 000 27102 TOROID COIL S1 1TS φ0 65mmx2 Q901 9965 000 27140 MOSFET STP9NK60Z 7A 600V Q902 9965 000...

Страница 65: ...10 16 MECHANICAL EXPLODED VIEW 2 3 4 1 A B C D E G F H 10 16 ...

Страница 66: ... PARTS MISCELLANEOUS 9940 000 00918 FFC 14P P 1 27MM 220MM 9940 000 00919 FFC 24P P 0 5MM 380MM 9940 000 01052 FUSE 6 3A 250V 9940 000 01053 FUSE 6 3A 250V 9940 000 01056 LED φ3 BLUE LENS 9940 000 02071 DC VU METER 650R 9940 000 01057 SW MODEL TRANSFORMER 9940 000 00872 TACT SW 50MA 12V 9940 000 00871 TACT SW φ1 7MM Note Only these parts mentioned in the list are normal service parts SCREW LIST A ...

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