Philips-HTS-3274-Service-Manual(1) 电路图 维修手册.pdf

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1、HTS3274/51 Copyright 2009 Philips Consumer Electronics B.V. Eindhoven, The Netherlands 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 pe

2、rmission of Philips. Published by RY0926 Service Audio Printed in The Netherlands Subject to modification DVD Home Theater System Version 1.1 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 50-60Hz For HTS337

3、1/3378 .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 impedan

4、ce . .For HTS3276: 4 ohm (center), 8 ohm(Front/Rear) .For HTS3371, HTS3378: 4 ohm(center), 4 ohm (Front/Rear) Speaker drivers . Center/Front/Rear . 3” full range Frequency response .150 Hz 20 kHz Dimensions (WxHxD) . For HTS3276 . - Center . 244 x 103 x 74 (mm) - Front . 262 x 1199 x 264 (mm) - Rear

5、 . 103 x 203 x 71 (mm) For HTS3371 . - Center/Front/Rear . 100 x 100 x 75(mm) For HTS3378 . - Center . 244 x 103 x 74 (mm) - Front . 262 x 1199 x 264 (mm) - Rear . 262 x 1199 x 264 (mm) Weight . For HTS3276 . - Center .0.85 kg - Front .3.53 kg - Rear .0.54 kg For HTS3371 . - Center .0.67 kg - Front

6、.0.48 kg - Rear .0.45 kg For HTS3378 . - Center .0.85 kg - Front .3.53 kg - Rear .3.53 kg Subwoofer Impedance . 4 ohm Speaker drivers .165 mm (6.5”) woofer Frequency response .40 Hz 150 Hz Dimensions (WxHxD) . For HTS3276, HTS3371 . 163 x 36 3x369 (mm) For HTS3378 . 242 x352 x 360 (mm) Weight . For

7、HTS3276, HTS3371 .4.7 Kg For HTS3378 . 5.6 Kg Laser specif cation . Type .Semiconductor laser GaAIAs (CD) Wave length . 645 - 665 nm (DVD), 770- 800 nm (CD) Output power .6 mW (DVD), 7 mW(VCD/CD) Beam divergence . 60 degrees. Specif cations subject to change without prior notice. RadioFans.CN 收音机爱 好

8、者资料库 1 - 4 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT CD Use Audio 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 dis

9、tortion 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 1 - 5 Service Tools: Universal Torx driver holder .4822 395 91019 Torx bit T10 150mm .4822 395 50456 Torx driver set T6

10、-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 1 - 6

11、 1 - 7 2 - 12 - 1 System , Region Code , etc. Setting Produre 1)System Reset a) Press “SETUP“ button on R/C,TV will show setup menu b) Select the menu using the and on R/C c) Go preference page to do system reset 2)Region Code Change a) In open mode, press”9” “9“ “9“ “9“ on R/C,then input desired nu

12、mber to change region code : 1 USA 2 EU 3 AP 4 Australia ,NZ , Latam 5 Russia , INDIA 6 CHINA 3)Version Control Change a) In open mode, press “1“ “5“ “9“ on R/C b) Press “ok” button to confi rm c) TV will show message as below: a) Press “source” to select “FM”. b) In “FM” playback mode, press & hold

13、 “play/pause” button until Grid 9” or “Grid 10” appears. Note: repeating the same action will toggle back to it previous tuning grid setting. * “Grid 10” is default for/98 version. 8) Upgrading new software a) Copy “software fi les” into a CD-R b) Open the CD Door,then insert the CD-R program disc c

14、) Close the CD Door d) VFD will show: “Loading“ “Erase” - erase the fl ash memory “Writing” about 1 minute “done “ * the system will switch off and on 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 RIS

15、C: 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 confi dential and may not be distributed.Only a qualifi ed service person should reprogram the Region Code. 4)Password Change a) Press “SETUP“ button on R/C,TV

16、will show setup menu b) Select the menu using the and on R/C c) Go preference page select “password“ to change * 000000 is default password supplied. 5)Check on the Software Version a) Open the CD Door b) Press “INFO“ button on R/C c) TV will show the version on screen upgrade fi le detected Do you

17、wish to continue with the software upgrade? OKCancel f) Select “OK”, OSD will show: upgrade in progress. V327X please do not unplug or switch off the device. 6)Trade model a) Press “Open/Close “ button on R/C b) Press “2” “5” “9” on R/C,VFD will display “TRA ON “ or “TRA OFF“ 7) Produce to Change Tu

18、ner Grid (only applicable for certain regions) In some countries, the frequency step between adjacent channels in the FM band is 50kHz (100kHz in some areas). 2 - 22 - 2 REPAIR INSTRUCTIONS (ONE) 2 - 32 - 3 REPAIR INSTRUCTIONS (TWO) 2 - 42 - 4 REPAIR INSTRUCTIONS (THREE) 3 - 3 - DISASSEMBLY INSTRUCT

19、IONS 3) Loosen 6 screws and remove the Top Cover by lifting the rear portion upwards before sliding it out towards the rear. - screw “A” each on the left & right side as shown in figure 4. - 4 screws “B” at the back panel as shown in figure 5. 4) Loosen 5 screws “C“ at the front panel bracket as in

20、figure 6 to remove the front panel. 24mm mm2 Figure 2 Dismantling of the Front Panel Assemble ) Open the DVD Tray by using the Open/Close Button while the Set is ON and disconnect the mains supply after removing the Tray Cover. Note: Ifthisisnotpossible,theDVDTrayhastobeopenmanually. Take a mini scr

21、ew 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 until the Tray moves out of the Front Panel. 2) Return the set to its upright position an

22、d remove the Tray Cover as shown in Figure 3 and close the tray manually by pushing it back in. Figure ? Figure 3 Figure 4 A Figure 5 ? Figure 6 C Dismantling of the DVD Module ) Loosen 4 screws “ D “ at the DVD Module as shown in figure 7. Figure 7 D 3 - 23 - 2 SERVICE POSITIONS Service position A

23、Note:In some service positions the components or copper patterns of one board may risk touching its neighbouring pc boards or metallic parts. To prevent such short-circuit use a piece of hard paper or other insulating material between them. Dismantling of the MAIN+SCART Board ) Loosen 4 screws “G” o

24、n the top of Main Board as shown in figure . 2) At the back panel, loosen 9 screws to remove MAIN Board and loosen 2 screw to remove Scart Board as shown in figure 2. Figure 9 Dismantling of the DISP+LED+VOL&MP3 IN Board ) Loosen 0 screws “E” on the top of DISP+LED+VOL&MP3 IN Board as shown in figur

25、e 8. Figure 8 E Dismantling of the Power Board ) Loosen 4 screws “F” on the top of Power Board as shown in figure 9. 2) With a pincers to nip this space as shown in figurer 0 and to take up the power board. F Figure G ? Figure 2 Figure 0 4 - 14 - 1 BLOCK DIAGRAM MT1389S TQFP256 IC V5888 Loader motor

26、 driver ASA DVD Loader IC TC4051 SWIT CH AUX- IN A/D IC WM8782 TV-I N Tuner module Karaoke IN MP3 Direct IC 4558 OPEN VIDE O FI LTER Y. U.V OUT SCAR T OUT OPEN VI DEO SWITCH TAS5508 D-AMP PWM Controlle r Auto Power detect or control IC 4558 Scart audio IN from TV C SPK SR SPK SL SPK SUB SPK FL SPK +

27、- FR SPK +-+-+-+-+- TAS5352A POWE R AMP CV BS-V IDEO SDAR M 4Mx16 IC AT24C16 SERI AL EEPROM USB 2.0 WM8805 SPDIF IN IC MX 29LV320B TC 4Mx8bit FLASH IC 74F244x1 INPUT PIN EXPA ND VF D Display VFD DRIV ER KE YPT6311 HDMI CEC MC U RDSCL RDSDA RDSDAV N Tun L Tun R Tun L Tun R TV L TV R AUX L AUX R MP3 L

28、 MP3 RMP3 R MP3 L MIC L MIC R MIC R MIC L L R BCL K LRCL K MCLK P-BCL K P-LRCL K P-DOUT P-MCLK USB DP USB DM V-DAT A V-CLK V-CS IR IR IR KEY control SDASDA SCL Scart audio IN (option) CV BS Video ( L C ) Scart audioScart audio BCL K LR CL K DOUT MCLK +5V B+5V 3.3V +12V -12V +12V -12V +12V -12V +12V

29、-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 +1.8V +3.3V +36V +12V -12V B+5V 600W power supply unit +5V DAO 2 DAO 1 DAO 0 DAO 2 DAO 1 DAO 0 +12V Fan control FULL SOUND OPEN Sa

30、nyo / Sony pick up SMT32F101Cx 48Pin 64K from speaker outpu t from speaker outpu t HDMI OUT 1080P MT1389S HDM I Video ou t ESD REJECT OR 12pcs -27V TAS5352A POWE R AMP +VCC HDMI out HPDC2 COAXI AL INPUT OPTICAL INPUT ( Match HDMI 1 ) ( Match HDM I 2 ) DAT A I2C Bus for all use component SAD SCL COAX

31、I AL INPUT BCL K LRCL K MCLK BCL K LRCL K MCLK Bufer 74HC04 +3.3V TAS5352A POWE R AMP +VCC 4 - 24 - 2 WIRING DIAGRAM V1 5 - 15 - 1 DISP+LED+VOL BOARD STNETNOC FO ELBAT 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tnemng

32、i ssA n i P y a l p s i D DTF 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . marg a i D t i ucr iC we iV mot toB & poT tuoyaL BCP .5-3 FTD DISPLAY PIN ASSIGNMENT PIN CONNECTION 5 - 2

33、5 - 2 CIRCUIT DIAGRAM C380 B1 C381 B1 C382 B1 C384 C1 C385 C1 C386 C1 C387 A2 C388 A3 C389 B2 C390 B2 C391 B2 C392 B1 C395 C4 C396 C4 C397 B1 DP351 A2 IC351 B2 LD351 A1 Q351 C1 Q352 C1 Q353 B1 R3051 B1 R3052 B1 R3053 B1 R3054 B1 R3055 B1 R3056 B1 R3057 C1 R3058 C1 R3059 C1 R3060 C1 R3061 B1 R3062 B1

34、 R3063 B1 R3064 B1 R3067 A2 R3068 A3 R3069 B2 R3071 C1 R3072 C1 R3073 C1 R3077 C1 RB351 C4 RB355 B1 RB356 C1 RB357 C1 RB359 B1 SN351 C1 TA351 A1 TA352 C1 TA353 C1 TA354 C1 TA355 C1 VR351 C4 ZD310 C1 ZD311 C2 ZD312 C1 ZD313 B1 S1 1 S2 2 S3 3 S4 4 DOUT 5 DIN 6 NC 7 CLK 8 STB 9 K1 10 K2 11 K3 12 K4 13

35、CDD 14 SG1/ KS1 15 SG2/ KS2 16 SG3/ KS3 17 SG4/ KS4 18 SG5/ KS5 19 SG6/ KS6 20 SG7/ KS7 21 SG8/ KS8 22 SG9/ KS9 23 SG10/KS10 24 SG11 25 SG12 26 OSC 52 GN D 51 LED1 50 LED2 49 LED3 48 LED4 47 LED5 46 VDD 45 GR1 44 GR2 43 GR3 42 GR4 41 GR5 40 GR6 39 GR7 38 GR8 37 SG20 /G R9 36 SG19 /G R10 35 VEE 34 VC

36、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 95 6K C391 220U/ 16V C390 104 R305410K R3053100 R3052100 R3051 100 R305610K R305510K C380 15P C381 15P C382 15P Q353 SA733 Q352 SC945 V-DAT A V-CLK V-CS 1 2 3 SN351 SENSOR BK5V C385 104 C386 100U/10V C384 100P R305847K R3057 1K5 E5V E5V LD351 LED_D3M M