Samsung HW-K360 Service Manual Download Page 21 | Manualshive

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4. Troubleshooting

4.2. Measures to be taken when the Protection Circuit operates

4.2.1. AMP Pre-Inspection relating to Power Protection

If you think there are problems at the AMP PCB, you can check the PCB without disassembling the set by following
the test below.

CAUTION

Do not connect the power cord during the test!

Resistance using Tester

F/R CH

137K ohm

•

If there is a large difference than the value listed above then the AMP PCB has a problem.

G

N D

S

P E AK E R O U T P U T

S

ET CH AS S I S

Copyright© 1995-2016 SAMSUNG. All rights reserved.

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Summary of Contents for HW-K360

Page 1: ... K360 ZA SERVICEMANUAL Wireless Audio Soundbar Active Speaker System HW K360 Contents 1 Precaution 2 Product Specification 3 Disassembly Reassembly 4 Troubleshooting 5 PCB Diagram 6 Schematic Diagram Refer to the service manual in the GSPN see the rear cover for more information ...

Page 2: ... 1 2 No Sound Output 4 3 4 2 Measures to be taken when the Protection Circuit operates 4 7 4 2 1 AMP Pre Inspection relating to Power Protection 4 7 4 3 Initialization Update 4 8 4 3 1 Initialization method 4 8 4 3 2 How to check the Firmware version 4 8 4 3 3 USB Update procedure 4 10 5 PCB Diagram 5 1 5 1 Wiring Diagram 5 1 5 2 MAIN PCB Top 5 2 5 2 1 Pin Connection 5 3 5 3 MAIN PCB Bottom 5 4 5 ...

Page 3: ...Contents 6 2 MAIN 1 6 2 6 3 MAIN 2 6 3 6 4 MAIN 3 6 4 6 5 MAIN 4 6 5 6 6 VFD 6 6 6 7 JACK 6 7 6 7 1 Test Point Wave Form 6 8 Copyright 1995 2016 SAMSUNG All rights reserved ii ...

Page 4: ...ch alterations might create a safety hazard Also any design changes or additions 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 system that complies With the unit completely reassembled plug the AC cord directly into a AC outlet With the unit s power...

Page 5: ...rrect 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 pinched out of place or frayed wiring Do not change the spacing between components and the printed circuit board Check the AC power cord for damage Make sure that no wires or components touch thermally ...

Page 6: ...nsulation 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 AC source Connect an insulation resistance meter 500 V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be grea...

Page 7: ... 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 removal device Many solder removal devices are not rated as anti static these can accumulate sufficient electrical charge to damage ESDs 6 Do not remove a replacement ESD from its protective package un...

Page 8: ...ct Special places a place where a large amount of dust is accumulated where chemical substances are used or the ambient temperature is too high or low a place that is full of moisture or water in transportation vehicles such as a car or in public places such as the airport or subway station where the product is supposed to operate uninterruptedly for a long time 6 Keep the packaging plastic wrappe...

Page 9: ...ification 2 Product Specification 2 1 Product Feature HW K360 130 W Front 35 W x 2 Woofer 60 W 2 1CH System 1 analog 1 optical USB Host Bluetooth Wireless Subwoofer Copyright 1995 2016 SAMSUNG All rights reserved 2 1 ...

Page 10: ... C General Operating humidity range 10 to 75 Main unit 30 W CH 8 OHM THD 10 1 kHz Rated output power Subwoofer 60W 3 OHM THD 10 100Hz S N ratio analog input 65 dB Amplifier Separation 1 kHz 65 dB NOTE S N ratio distortion separation and usable sensitivity are based on measurement using AES Audio Engineering Society guidelines Samsung Electronics Co Ltd reserves the right to change the specificatio...

Page 11: ...Scale DSP Power Bass Dolby Digital Plus Dolby Digital 2ch Dolby Digital 2ch Dolby True HD N A N A Audio Decoding DTS DTS HD HR MA DST 2 0 DST 2 0 Component out HDMI Out CEC Video HDMI Input Mini Jack Audio In AUX1 3 5φ AUX1 3 5φ Audio In Out RCA Input Optical Jack In Digital In O 1 O 1 Headphone Headphone Jack USB Jack Jack Type USB 2 0 Micro USB Type B Plug Male USB 2 0 Type A Jack Female Type Sa...

Page 12: ...2 Product Specification TIP O Feature Included X Not Included 2 4 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 13: ... 000853 DC Adapter BN44 00835A Optical cable AH39 00779A r r e e e e v v s su u r r e e e ex x u u s su u rr r r r r r r ª ª ª ª e e ª ª ª ª ª ª e e ª ª Wall Mount Guide AH63 04369A Holder screw 1 2EA AH61 04110A Holder screw 2 2EA 6001 001961 Bracket Wall Mount L AH61 04106A R AH61 04114A User Manual AH68 02608A Local Samsung Dealer Copyright 1995 2016 SAMSUNG All rights reserved 2 5 ...

Page 14: ...erable to static electricity In order to assemble reverse the order of disassembly Description Description Photo 1 Unfasten 5 screws on the Rear CAUTION Be careful not to make any scratches as you remove them 2 Remove Cover Rear 3 Disconnect wire 4ea 4 Unfasten 4 screws on the MAIN 5 Remove the COVER JACK and take the PBA out Then disconnect wire 2ea remove the main 6 Unfasten 1 screws on the VFD ...

Page 15: ...4 Troubleshooting 4 Troubleshooting 4 1 Checkpoints by Error Mode Oscilloscope Setting Values Voltage DIV 1 V div TIME DIV 500 ms div Copyright 1995 2016 SAMSUNG All rights reserved 4 1 ...

Page 16: ...eck the AC Cord output Yes MAINPC B PC N1 change No No No Yes The power does not turn on Change the MAINPC B Yes Check if H 3 3v is measured at the pin 62 of the UIC1 when Main PCB power is turned on Replace the AC Cord Replace the Micom UIC1 Check Adapter and replace Adapter Yes No 4 2 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 17: ...if signal is measured at pin 16 of IC1 on the Main PCB 2 Check if signal is measured at pin No 2 4 45 47 of IC1 on the MAIN PCB 3 Check the MAIN PCB ACN1 ACN2 speaker output signal Refer to wave pattern image of Fig 4 2 Change Speaker L R Yes No No No Change MAIN pcb Speaker output check Refer to wave pattern image of Fig 4 1 Refer to wave pattern image of Fig 4 3 Yes Yes Change the MAIN PCB Repla...

Page 18: ...S2 SPI_CS3 SPI_CLK VD33 SPI_DI SPI_DO VDD SPDIF_OUT OP 0 OP 1 WP VCC SCL A2 A1 A0 Q3 Q2 Q1 Q0 MICOM_STROBE CRESCENDO ACK DATA_MICOMOUT CRESCENDO IN FROM HDMIREPEATER ARC CRESCENDO_STROBE MICOM_ACK DGND F 4 7KOHM 4 7KOHM 4 7KOHM 4 7KOHM 4 7KOHM 100OHM 250PPM C 100OHM 250PPM C 100OHM 250PPM C 250PPM C 100OHM 100OHM 1 16W 56OHM 1 16W 100OHM 1 16W 100OHM 1 16W 100OHM 1 16W 100OHM 1 16W 100OHM 1 16W 10...

Page 19: ...PUT_D INPUT_C AVDD GND GND GVDD_AB INPUT_A INPUT_B RESE T OC_ADJ VDD C_START DVDD GND FL FR DGND 100OHM 100OHM 1 10W 100OHM 1 10W 1UF 16V 100NF 16V 1UF 16V 100PF 50V 30KOHM 1 10W 100OHM 1 10W 47KOH M 1 10 W TAS5614LADDV 33NF 50 V 33NF 50V 33NF 50V DGND 10UF 25V 10UF 25 V 10UF 25V 10UF 25V 10UF 25V DGND 10UF 25V 10UF 25V 10UF 25V AR7 AR6 AR5 C113 C112 AC3 C111 R82 R81 R83 IC4002 C119 C124 C148 AC9 ...

Page 20: ...50V AC45 100NF 50V AC47 R 3 3NF 50V AC53 3 3NF 50V AC54 R1 DGND DGND SP1 _GND SP_ GND 10NF 50V 100NF 50V DGND 10NF 50V 3 3OHM 1 10 W 1 10W 3 3OHM 50V 50V DGND 100NF 50V 10NF 50V 10NF 50V 2 2NF 50V 2 2NF 50V 100NF 50V 100NF 50V 3 3NF 50V 3 3NF 50V SMW200 H03G SMW200 H02G 2 2NF 50V 2 2NF 50V 100NF 50V 100NF 50V 3 3NF 50V 3 3NF 50V DGND DGND 0 C129 AC39 C12 8 R103 R10 2 AC38 C22 C19 AC44 AC43 AC46 AC...

Page 21: ...at the AMP PCB you can check the PCB without disassembling the set by following the test below CAUTION Do not connect the power cord during the test Resistance using Tester F R CH 137K ohm If there is a large difference than the value listed above then the AMP PCB has a problem GND S P EAKER OUTP UT S ET CHAS S I S Copyright 1995 2016 SAMSUNG All rights reserved 4 7 ...

Page 22: ...ear side of Sub woofer 2 When Sub woofer is turned on press the ID set button for 5 seconds 3 The STANDBY indicator is turned off and the LINK indicator Blue LED blinks quickly 4 The main unit and the sub woofer will pair automatically 4 3 2 How to check the Firmware version Software check method Sound Bar Remote control use 1 Prepare the remote control 2 Turn the unit off 3 Press the Sound Effect...

Page 23: ...4 Troubleshooting HELLOW M 050 D 050 WGM050 R 050 Copyright 1995 2016 SAMSUNG All rights reserved 4 9 ...

Page 24: ...te files then plug in to the USB port You can see the following VFD display UPDATE OK 3 Progressing update in case Micom DSP HDMI and Wireless update you can see the following OLED display Case 1 Micom Update M UPD M UPD DONE Case 2 DSP Update D 0 D 100 DONE Case 3 Wireles s Upda te W 0 W 100 DONE 4 10 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 25: ...5 PCB Diagram 5 PCB Diagram 5 1 Wiring Diagram Copyright 1995 2016 SAMSUNG All rights reserved 5 1 ...

Page 26: ...5 PCB Diagram 5 2 MAIN PCB Top CN6 CN3 0 0 4 CN1 0 2 CN2 0 1 CN4 AC N 2 AC N 1 CN1 4 P IC1 IC1 1 6 5 4 5 2 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 27: ...V 8 DGND 9 VFD_DATA 10 VFD_CLK 11 DGND 12 VFD_CE 13 VFD_RST 14 DGND 4 CN14 KEY CONTROL Pin No Signal 1 KEY_PWR 2 KEY_FUNC 3 GND 4 KEY_VOL 5 KEY_VOL 5 ACN1 SPEAKER L Pin No Signal 1 FULL RANGE L 2 FULL RANGE L 6 ACN2 SPEAKER R Pin No Signal 1 FULL RANGE R 2 FULL RANGE R Copyright 1995 2016 SAMSUNG All rights reserved 5 3 ...

Page 28: ...5 PCB Diagram 5 3 MAIN PCB Bottom C N 3 0 0 3 WC N 1 2 3 5 4 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 29: ...T_RX 5 DGND 6 EP_SCL 7 EP_SDA 8 DGND 3 WCN1 Wireless Module Control Pin No Signal 1 GND 2 WP 3 NC 4 NC 5 NC 6 NC 7 NC 8 NC 9 W_SDATA 10 X_SDATA 11 LRCK 12 BCK 13 GND 14 GND 15 NC 16 NC 17 W_SDA 18 W_CLK 19 DARR_RST 20 NC 21 NC 22 NC 23 D 5V_PW 24 D 5V_PW Copyright 1995 2016 SAMSUNG All rights reserved 5 5 ...

Page 30: ...5 PCB Diagram 5 4 VFD PCB Top 5 6 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 31: ...5 PCB Diagram 5 5 VFD PCB Bottom CN1 Copyright 1995 2016 SAMSUNG All rights reserved 5 7 ...

Page 32: ...5 PCB Diagram 5 6 JACK PCB Top TP3 1 2 3 AN4 0 0 AUX1 O P J AC K 1 5 8 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 33: ...DGND 2 AUX_L 3 NC 4 AUX_R 5 DGND 6 AUX_SENS_H 7 DGND 2 OPJACK1 Optical Signal Pin No Signal 1 HM3 3V 2 HDGND 3 OPTICAL_0_H 3 AN400 Touch CON Pin No Signal 1 HDGND 2 HDGND 3 K_PWR 4 K_FUNC 5 K_VOL 6 K_VOL 7 HDGND 8 HDGND Copyright 1995 2016 SAMSUNG All rights reserved 5 9 ...

Page 34: ...5 PCB Diagram 5 6 2 Test Point Wave Form TP3 5 10 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 35: ...5 PCB Diagram 5 7 JACK PCB Bottom KIC100 HCN 4 1 Copyright 1995 2016 SAMSUNG All rights reserved 5 11 ...

Page 36: ...in No Signal 1 DGND 2 DGND 3 DGND 4 DGND 5 DGND 6 DGND 7 DGND 8 DGND 9 DGND 10 DGND 11 DGND 12 DGND 13 DGND 14 AUX_L 15 AUX_SENS 16 DGND 17 T_SDA 18 AUX_R 19 T_SCL 20 DGND 21 T_RST 22 SPDIF_IN1 23 M3 3V 5 12 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 37: ...D Serial Interface between I2C is operated with various protocol over the whole system DSP SDP1207 implement DSP AUDIO DECODING function by I2S Power On Off by Micom port is possible Function and sound field can be controlled by remote controller and keys The active subwoofer operate with wireless system Copyright 1995 2016 SAMSUNG All rights reserved 6 1 ...

Page 38: ...EN OUT GND OUT IN OUT IN ADJ NC GND EN VSENSE SS GND PH COMP EN VIN BOOT STBY 3 3V 1126 2015 09 14 WIRELESS CONNECTOR 2015 09 14 1020 1020 1110 1126 CHANGE TO 3722 0 03205 1213 1213 FOR EOS 131122 DELETE 11 22 1213 FOR EOS 131122 1130 USB_5V WIRELESS_5V HDMI_5V FOR EOS 140207 DEVIDE GND 47UF 6 3V X 2 47PF TPS 54331D 22UF DGND_GND 1 10W 22UF 0 01OHM 0467003 N R UNDEFINED 0 01OHM 50V 100NF 100NF 47U...

Page 39: ...GPIO2 SPK_INB SPK_INB CPVSS DAC_OUTB ADR1 GPIO1 GND CN VOUT GND VCC IN EN EN FLT GND OUT CHANGE TO TAS880021 SPK IMPED ENCE 8OHM 131127 10N F 16V 220UF 16V D IN SPK IMPED ENCE 8OHM AUX AMP AUX DIN FOR USB3 0 PROBLEM USB 10V 10UF D 5V_PW F U 0 1 V 0 1 F U 0 1 V 0 1 DGND_GND DGND_GND SMW200 H03G 50V 100NF 50V 4 7NF DGND_GND DGND_GND 50V 100NF 1UF 50V 22UF 25V PVDD 19V_PW 50V 220NF 22UF 25V 22UF 25V ...

Page 40: ...1 PCLBUZ1 INTP7 RESET RESET VDD GND E B C GND OUT VS GND VCC S A B1 GND B2 VCC S A B1 GND B2 MICOM_STROBE CRESCENDO ACK CRESCE NDO_STROBE MICOM_ACK X 4 7K 4 7K 4 7K REMOCON1 DATA_CRESCENDO OUT MICOM IN DATA_MICOM OUT CRESCENDO IN TBD J370 TBD J350 J550 0 J450 J550 J250 X X 4 7K X X X X R113 X R114 4 7K 4 7K 4 7K 4 7K 4 7K 4 7K 4 7K 4 7K X X X R115 1129 1018 X X X 4 7K R141 X 4 7K 4 7K 4 7K 2012 08...

Page 41: ...O0 VCC HOLD IO3 GND WP IO2 DO IO1 CS SDA GND WP VCC SCL A2 A1 A0 Q3 Q2 Q1 Q0 1 2 1 2 LINE_IN_R2 VS33AADC LINE_IN_R1 LINE_IN_L1 LINE_IN_L2 14 28 45 64 93 117 BLUETOOTH FLASH_WP 0 1130 UART_TX MICOM_STROBE CRESCENDO ACK DATA_MICOM OUT CRESCENDO IN 1121 1121 BT_REST UART_RX TO FLASH PAD_REF PAD_RSET VDAC USB_VDDA VS33VDAC PAD_COMP VD33VDAC USB_RREF VDDAADC CRE SCE NDO_ST ROBE MICOM_ACK 1110 DATA_CRES...

Page 42: ...9 F F LGND PGND VIN SW VH VDD OSC RESET STB SCK F SI TSA TSB F S D G B C E E B C E B C CLOSE TO VFD DO NOT PLACE UNDER VFD D 12V_PW D 12V_PW D 12V_PW 006MD004INK VFD 5 100NF 50V DGND 50V 68OHM 47KOHM 100NF 16V DGND NC 25V 22UF 6 3V 22UF DGND 1UF 50V 1UF 50V 50V 1UF 50V 1UF DGND 50V 1UF 1 10W 33KOHM F U 2 2 V 5 2 V 5 2 F U 2 2 50V 100NF NC 25V 22UF 22UF 25V DGND 1 10W 10KOHM 1UF 25V DGND 50V 68PF 6...

Page 43: ...M1 3 P1 4 VDDINTS INT3 P3 3 VDDINT RES ETB P0 5 PWM0 5 P1 2 PWM1 2 I2C1_SCL I2C1_SDA HDGND RFR 4112HP 1 10W 33OHM 16V 100NF HDGND 10V 10UF 0 01O HM HM3 3V HDGND GCC02 0139R MLVS 0603 E 08 11 11 MLVS 0603 E 08 16V 100NF 1 16W 470OHM 16V 100NF 50V 330P F 50V 330P F 1 16W 330OHM 1 16W 330OHM 1 16W 220KOHM 1 16W 220KOHM 50V 330P F 50V 330P F HDGND HDGND 20043WS H2413C HM3 3V HDGND RCLAMP0502B TCT F U ...

Page 44: ...6 Schematic Diagram 6 7 1 Test Point Wave Form TP3 6 8 Copyright 1995 2016 SAMSUNG All rights reserved ...

Page 45: ...na Japan https gspn2 samsungcsportal com N America S America https gspn3 samsungcsportal com This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law 2016 Samsung Electronics Co Ltd All rights reserved Printed in Korea ...

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