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Samsung HT-E350K Service Manual Download Page 19

3. Disassembly and Reassembly

3. Disassembly and Reassembly

3.1. Overall Disassembly and Reassembly

CAUTION

•

Be careful to follow the disassembly sequence described in the manual. Otherwise, the product may be damaged.

•

Be sure to carefully read and understand the safety instructions before performing any work as the IC chips on
the PCB are vulnerable to static electricity.

•

In order to assemble reverse the order of disassembly.

Description

Description Photo

1.

Disassemble Cover Top.
Rear 5 point screws unscrew and 2 screws at both side.
: BH 3 * 10 BLACK

CAUTION

Be careful not to make any scratches as you remove them.

Copyright© 1995-2012 SAMSUNG. All rights reserved.

3-1

Summary of Contents for HT-E350K

Page 1: ...igital Home Theater System Model Name HT E350K Model Code HT E350K XV SERVICEMANUAL Digital Home Theater System HT E350K Refer to the service manual in the GSPN see the rear cover for more information...

Page 2: ...ons will void the manufacturer s warranty 4 Leakage Current Hot Check Figure 1 1 AC Leakage Test WARNING Do not use an isolation transformer during this test Use a leakage current tester or a metering...

Page 3: ...rect any potential hazards 7 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pin...

Page 4: ...sulation between the blades of the AC plug and accessible conductive parts examples metal panels input terminals and earphone jacks 6 Insulation Checking Procedure Disconnect the power cord from the A...

Page 5: ...not use freon propelled chemicals These can generate electrical charges that damage ESDs 4 Use only a grounded tip soldering iron when soldering or unsoldering ESDs 5 Use only an anti static solder re...

Page 6: ...subwoofer design as a firing The duct hall set on the front will make the volume stronger and look better Voice Canceling Karaoke voice canceling CD DVD MP3 all original Karaoke Contents translate Ka...

Page 7: ...ayer Disc 135 min Reading Speed 4 8 5 6 m sec CD 12 cm COMPACT DISC Maximum Play Time 74 min Reading Speed 4 8 5 6 m sec Disc CD 8 cm COMPACT DISC Maximum Play Time 20 min 480i 576i Composite Video 1...

Page 8: ...W Dimensions W x H x D Front 77 x 107 x 68 mm Surround 77 x 107 x 68 mm Center 77 x 107 x 68 mm Subwoofer 154 x 299 x 285 mm Speaker Weights Front 0 33 Kg Center 0 33 Kg Surround 0 33 Kg Subwoofer 2...

Page 9: ...Single Layer Disc 135 min Reading Speed 4 8 5 6 m sec CD 12 cm 5 inches COMPACT DISC Maximum Play Time 74 min Reading Speed 4 8 5 6 m sec Disc CD 8 cm 3 1 2 inches COMPACT DISC Maximum Play Time 20 m...

Page 10: ...3 Kg 0 66 Ibs Center 0 46 Kg 1 02 Ibs Subwoofer 2 89 Kg 6 36 Ibs HT E353 Speaker Specifications 5 1ch speaker system Speaker system Front Surround Center Subwoofer Impedance 3 3 3 3 Frequency range 14...

Page 11: ...3 3 3 Frequency range 140 Hz 20 kHz 140 Hz 20 kHz 140 Hz 20 kHz 20 Hz 160 Hz Output sound pressure level 86 dB W M 86 dB W M 86 dB W M 88 dB W M Rated input 35 W 35 W 95 W 95 W Maximum input 70 W 70...

Page 12: ...X DECK 1 DISC 1 DISC 1 DISC DVD Disc Capacity 1 DVD 1 DVD 1 DVD Front Display 1 Color VFD 1 Color VFD 1 Color VFD Sleep X X X General Dimmer O O O CD CD R CD RW O O O VCD SVCD X X X DVD DVD R DVD RW...

Page 13: ...olby ProLogic II O O O Dolby ProLogic IIX X X X DTS X X X Dolby Digital EX X X X DTS ES Discrete 6 1 X X X DTS 96 24 X X X THX X X X Audio Decoding DTS Neo 6 X X X Component X X X Composite X X X S Vi...

Page 14: ...Only Europe AM X X O Brazil Only Tuner Preset Memory 15 15 15 Universal MBR O O O Only Samsung Remote Key Key 45 Key 45 Key 38 Key Dual Voltage O Brazil Only O Brazil Only O Brazil Only Type Sat Tall...

Page 15: ...or VFD Sleep X X General Dimmer O O CD CD R CD RW O O VCD SVCD X X DVD DVD R DVD RW O O MP3 O O JPEG Viewer O O DVD Audio X X DVD OK X X WMA O O AVI Divx3 11 Divx5 1 XviD Except North America Divx3 11...

Page 16: ...ding DTS Neo 6 X X Component X X Composite X X S Video X X Video Inputs HDMI In X X Component O O Composite O O HDMI Out X O S Video X X Video Outputs SCART Out X X In X X Line In O AUX O AUX Multi ch...

Page 17: ...Universal MBR O O Only Samsung Remote Key Key 45 Key 38 Key Dual Voltage O Brazil Only O Brazil Only Type Sat Tallboy Sat Tall Sat Tall Stand O O Impedance Sat Woofer 3 3 3 3 Speaker Active Powered S...

Page 18: ...ies Accessories Item Item code Remark Batteries AAA size 4301 000115 Video Cable AH39 40001V FM Antenna AH42 00021A Remote Control AH59 02424A User Manual AH68 02460J HDMI Cable GL39 00121A Local Sams...

Page 19: ...ly read and understand the safety instructions before performing any work as the IC chips on the PCB are vulnerable to static electricity In order to assemble reverse the order of disassembly Descript...

Page 20: ...anel Unlock the buckle on the bottom Unlock the both buckle on the side Pull the Front Panel out 3 Disassemble DECK Screws 3 point and Wire separation BH 3 8 SLIVER 4 Pull out the connector and 4 scre...

Page 21: ...assembly and Reassembly Description Description Photo 5 Unscrew the 4 screws on the PCB and pull out the power cord BH 3 8 SLIVER 6 Disassemble Complete Copyright 1995 2012 SAMSUNG All rights reserved...

Page 22: ...ooting 4 1 Checkpoints by Error Mode Oscilloscope Setting Values Normal Voltage 24 MHz 32 768 KHz Voltage DIV 2 V div 0 5 V div 0 5 V div TIME DIV 100 ms div 10 ns div 5 us div Copyright 1995 2012 SAM...

Page 23: ...Replace QA801 Check QA801 all pins are n ot sh orted to each other Check Switching IC ICA801 short test p in 8 to pin 1 2 3 4 5 6 7 OK means not sh ort Yes Yes No No Replace ICM853 Check input voltag...

Page 24: ...ck MPEG DAC outpout 80 81 82 83 84 85 86 87 of IC10 ES8398 Check VD3 3V_PW of IC10 Pin 8 3 Check Po wer Lines Check IC18 No Soun d No Yes Replace IC10 No Check Ja ck Input Check MPEG DAC power Check D...

Page 25: ...N 10 CN7 5 2 MAIN PCB Top 3716 001243 CN7 SP K_FRONT_L_P 100NF SP K_FRONT_R_M 1 ST0680231P SP K_FRONT_L_M PGND PGND PGN D PGND PGN D MGND1 12 11 10 9 8 7 6 5 4 3 2 SP K_FRONT_R_P SP K_CENTER_M SP K_CE...

Page 26: ...ern image of Fig 4 2 Refer to wave pattern image of Fig 4 3 1 Check if VDAC output is measured at the pin 74 of IC10 ES8 398 Check the CN10 conn ectivity and replace it if necessa ry 2 Check if compos...

Page 27: ...USB_D M USB_VC CA USB_R REF USB_VDDA VDD VSS DVCC AVS33 AVD33 REF D CDP D VD33PLL VS 33PLL SPD IF_IN SPDIF_OUT VDD SPI_D O DB 11 DB 10 DB 9 DB 8 VDD DB 0 DB 1 DB 2 AUX 7 VSS DB 15 DB 14 DB 13 DB 12 VS...

Page 28: ...CN7 5 2 MAIN PCB Top CN10 GCA03 0195 2 3 4 5 1 1 16W 330OHM 1 16 W 330OHM R248 AVTP7 11 MLVS 0603 E0 8 MLVS 0603 E0 8 11 ESDD 2 D8 11 MLVS 0603 E0 8 ESDD 1 AVTP2 AVTP3 AVTP1 0 01OHM GCA03 0195 1 16W 3...

Page 29: ...ll to Sams ung A S Center Replace MPEG IC 1 Check pin 118 119 121 122 124 1 25 127 128 of IC10 Check if 480p output is ok 720p NG Check PLL3 3V lines and VDD1 2V lines and R150 R1 51 R152 value Check...

Page 30: ...P 6 OP 7 VDD VSS MCLK VS33 VD33 PAD_R EF PAD_C OMP PAD_R SET UDAC VDAC VD33VDAC VS33VDAC YDAC CDAC VD33 DAC_O1L DAC_O2L DAC_O2R VD33ADAC VS33ADAC DAC_O3L DAC_O3R DAC_O1R LINE_OL LINE_OR VS33AADC MIC_R...

Page 31: ...Protection Active 1 Voltage of SMPS s PVDD is higher or lower than Standards Normal Condition Voltage Range PVDD about 18 V 33 V 2 Over current occurs to AMP IC Over output or Output short 3 AMP IC s...

Page 32: ...INIT and M INIT displayed and the system will be turned off 4 3 2 MICOM Update 1 Prepare or Make a DISC CD or DVD or USB that contains HTD E350WWM SSP HTD E330WWM SSP for HT E320 E330 file for update...

Page 33: ...menu go to setup 2 Go to support which is the last category on the list 3 Go to contact Samsung and enter 4 You can see the Flash Firmware Version on the screen and see the Micom Firmware Version on t...

Page 34: ...tains HTD E350WWB ROM HTD E330WWB ROM for HT E330 file for Update 2 Play the DISC or USB then UPDATE will appear on the screen then Power will go out and on 3 Then DISC TRAY will OPEN then remove the...

Page 35: ...ting 4 Press STOP button of the remote controller for more than 5 seconds Display Indicator shows INIT and M INIT then Power goes out 5 Initialization complete 4 14 Copyright 1995 2012 SAMSUNG All rig...

Page 36: ...if you don t insert the region code The region code is inserted by the remote control 1 Press the FUNCTION and Audio Assign button on the remote control and go to AUX ANALOG mode 2 Press the TUNER ME...

Page 37: ...can apply to this For example during Updating program of System Micom if Updating fail is happened it is impossible to turn on the system from stand by status The system will keep the stand by status...

Page 38: ...05 Indonesia 06 JAPAN 07 KOR 08 Latin American 09 Mexico 10 Philippines 11 12 Russia semi_mic 13 M E Africa 14 Taiwan 15 USA 16 New Zealand 17 England 18 Australia 19 Iran HACO 20 India 21 Israel 22 S...

Page 39: ...Indonesia 36 JAPAN 37 KOR 38 Latin American 39 Mexico 40 Philippines 41 42 Russia semi_mic 43 M E Africa 44 Taiwan 45 USA 46 New Zealand 47 England 48 Australia 49 Iran HACO 50 India 51 Israel 52 Saud...

Page 40: ...5 PCB Diagram 5 PCB Diagram 5 1 Wiring Diagram MAIN PCB CN8 23P SMPS CNM851 23P CN2 9P SMT CON DECK CN1 23 P SMT CON DECK 1 23 2 1 1 1 23 9 Copyright 1995 2012 SAMSUNG All rights reserved 5 1...

Page 41: ...C5 BD20 UC52 TUR11_OP TQ2_OP TUX1_OP IC9_OP UC2 C69 R112 R73_OP C71 R60 R257_OP C67 C31 BD3 CN2_ 04 CN2_ 06 CN2_ 08 CN2_ 02 CN1_ 18 CN1_ 22 CN1_ 16 CN1_ 14 CN1_ 10 CN1_ 12 CN1_ 04 CN1_ 06 CN1_ 08 CN1_...

Page 42: ...23 RF5 0V 2 CN2 Connecting between MAIN and DECK Pin No Signal 1 LOADP_DCMOP 2 LOADN_DCMON 3 SLED_N 4 SLED_P 5 INSW 6 OUTSW 7 MGND 8 DCLOAD_P 9 DCLOAD_N 3 CN8 Connecting between MAIN and SMPS Pin No...

Page 43: ...5 PCB Diagram 5 2 2 Test Point Wave Form TP1 TP2 TP3 5 4 Copyright 1995 2012 SAMSUNG All rights reserved...

Page 44: ...A V T P 7 V _ 1 6 V _ 1 4 V _ 1 5 139 V _ 1 8 V _ 1 7 138 137 V _ 2 0 V _ 2 1 V _ 1 9 77PI N TP_M CLK 78PI N 88 89 V _ 2 4 V _ 2 2 V _ 2 3 56 73PI N V _ 2 6 V _ 2 7 V _ 2 5 C S _ I C 4 _ B O T VD33_I...

Page 45: ...1S CX802S LX801S EY806 EY808 J877 J878 EY855 ICM852 ZDM8 51 DA852 DA851 DA854 DA855 CA854 CM854 CM853 J864 J875 J881 J863 CA851 CA852 PD801S RX801S VX801S X801 EY801 EY802 FP80 1S J 865 J 872 J 873 EY...

Page 46: ...and SMPS Pin No Signal 1 FANET_TX 2 FANET_RX 3 33 4 33 5 33 6 33 7 PGND 8 PGND 9 PGND 10 PGND 11 R12V 12 VAR_POWER_REF 13 ST3 4V_PW 14 ST3 4V_PW 15 DGND 16 DGND 17 N12 18 N12 19 R12V 20 DGND 21 P_ON 2...

Page 47: ...Y 8 3 1 E Y 8 3 2 L A 8 5 1 Z D M 8 5 1 I C M 8 5 3 L M 8 5 1 J 8 6 3 C Y 8 9 2 S E Y 8 0 9 C X 8 0 2 S L X 8 0 1 S E Y 8 0 6 E Y 8 0 8 J 8 7 7 J 878 E Y 8 5 5 D A 8 5 2 D A 8 5 1 D A 8 5 5 J 8 6 8 R...

Page 48: ...is boot up the data from FLASH is dumpped to SDRAM EEPROM will save back up information from MPEG ic The video data goes out in two different ways Analog video data is going out to composite and compo...

Page 49: ...OUT GND OUT IN S D G E B C LX EN COMP NC SS FB AGND VIN PGND LX EN COMP NC SS FB AGND VIN PGND DC DC CONVERTER 1 05V 0 31V PRESSED 1 78V 2 51V POWE R VOL FUNC MAIN SMPS 23P 0 3 0 3 PLAY RMC VOL NC TO...

Page 50: ...P20 P19 7G P18 P17 6G P16 P15 P14 5G P13 P12 P11 4G P10 P9 P8 3G P7 P6 2G P5 P4 P3 P2 P1 F F FRONT VFD VFD AH07 00274A VFD_DRIVER VFD12V PC 28 V VFD VFD 75 1N4148WS STD1766Y 1N4148WS 75 STD1766Y 50V 1...

Page 51: ...L VOSL VOTR VOTR Vcc1 REV FWD REGO1 VINSL REGO2 TRB_1 VINFC E B C E B C E B C E B C E B C CD DVD PATTEN 1 0 CD DVD USE 100K 1 ONLY 2007 000060 10022H S 23C02 10022H S 09C 1 10W 0OHM 1MOHM 1 16W 1 16W...

Page 52: ...SSQ DQ10 DQ9 VDDQ DQ8 VSS NC UDQM CLK CKE NC A11 A9 A8 A7 A6 A5 A4 VSS VDD A3 A2 A1 A0 A10 AP A12 COMPOSITE SPI FLASH EEPROM SDRAM 1 0 TEST MOD E NORMAL MODE S_P 1 0 OTP S_P _OP TION NORMAL MODE TEST...

Page 53: ...6 Schematic Diagram 6 5 1 Test Point Wave Form TP2 TP3 6 6 Copyright 1995 2012 SAMSUNG All rights reserved...

Page 54: ...GND ROUT LOUT DOUT DFS NC GP O1 GP O2 INT GP O3 DCLK RESET RESET VDD GND E B C Q3 Q2 Q1 Q0 E B C E B C ON BOARD FM WW RESET COMPOS ITE NO MIC NC HT D35 HDMI TO MPEG H MIC OUT KMIC_MUTE L MIC IN 3722 0...

Page 55: ...6 Schematic Diagram 6 6 1 Test Point Wave Form TP2 6 8 Copyright 1995 2012 SAMSUNG All rights reserved...

Page 56: ..._OP 10V 10V KC9_OP 10UF 10V E B C ILIM OUT FAULT EN GND IN E B C VCC DETOUT OUT GND IN IN NC E B C 3722 002868 3722 003068 BLACK DGND RCLAMP0502B TCT 10V 10UF 16V 15KOHM DGND 100NF 1 10W DGND 10KOHM 1...

Page 57: ...C_ADJ E B C E B C O3 GND A3 B3 O1 B1 O2 A1 A2 VCC B2 O0 B0 A0 IN2 GND OUT2 VCC IN2 IN1 IN1 OUT1 SURD_L FROM MPEG SUBWOOFER CENTER FRONT_R FRONT_L SURD_R 3716 001 243 TO AMP HT E320 2 1CH OPT ION TO AM...

Page 58: ...6 Schematic Diagram 6 8 1 Test Point Wave Form TP1 Copyright 1995 2012 SAMSUNG All rights reserved 6 11...

Page 59: ...C02 0112 1 10W 47OHM 1 10W 100UF 16V P T P T 430OHM 1 10W 1 10W 300OHM TP 1 10W 1 2KOHM 1 10W 3KOHM 1 10W 10KOHM 1 10W 680OHM 10OHM GND_S GND_S GND_S 3 4V_AL_S F_RMC851 FC851 FA_NET FANET_GND FANET_RX...

Page 60: ...50 V GN D_S GN D_S SF35G 200V LM 25 96 TAVD JG SRC120 3S 2 1KOHM GN D_S 1N5819 SCK15 056 LSY001 40 0V GN D_P 47 0PF 1 4W 10KOHM 300V 1KV 4 7OH M 1 4W 33 KOHM DA 806 RA811 CY89 3S EY816 EY80 4 VX 801...

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