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Panasonic SB-HWA488EB, Руководство по обслуживанию

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Panasonic SB-HWA488EB Скачать руководство пользователя страница 34

 3

4

10.4.4.  Woofer Speaker

1. Remove 4 Black Screws (A).

2. Remove the Woofer Speaker Cover.

3. Pull the Woofer Speaker in the direction of your side.

4.Disconnect 2 Speaker Cable Terminals.

5.Remove Woofer Speaker

10.4.3.  Power  P.C.B

1. Disconnect connector (A).

2. Remove 4 Silver Screws (A).

3. Remove the Power  P.C.B. .

Power  P.C.B

Black Screw (A)

Woofer Speaker

White (+)

Black (-)

Silver 

Screw (A)

Silver 

Screw (A)

Connector(A)

Woofer Speaker

 Cover

Black Screw (A)

Содержание SB-HWA488EB

Страница 1: ...1 ページ ２０１６年１２月２日 金曜日 午後５時５７分 ORDER NO PSG1701012CE Home Theater Audio System Model No SC HTB488EB SC HTB488EG SC HTB494EG SC HTB498EB SU HTB488EB SU HTB488EG SU HTB494EG SU HTB498EB SB HWA488EB SB HWA488EG Colour K Black Type This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to adv...

Страница 2: ... 6 3 Service Navigation 7 3 1 Service Information 7 4 Speci ications 8 5 Location of Controls and Components 10 6 Service Mode 13 7 Troubleshooting Guide 15 7 1 Main Unit SU HTB488 494 498 15 7 2 Active Subwoofer SB HWA488 20 8 Wiring Connection and Voltage Data 22 8 1 Main Unit SU HTB488 494 498 22 8 2 Active Subwoofer SB HWA488 24 9 Service Fixture tools 26 10 Disassembly and Assembly Instructio...

Страница 3: ...echassis the reading should be between 1 MΩ and 5 2 MΩ When the exposed metal does not have a return path to the chas sis the reading must be infinity 1 3 Leakage Current Hot Check See Figure 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 1 5 kΩ 10 W resistor in parallel with a 0 15 μF capacitor between each exposed metallic part on ...

Страница 4: ...plying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an antistatic solder removal device Some solder removal devices not classified as...

Страница 5: ...to rain or moisture CAUTION To reduce the risk of fire or shock hazard and annoying interference use the recommended accessories only FOR YOUR SAFETY DO NOT REMOVE THE OUTER COVER To prevent electric shock do not remove the cover No user serviceable parts inside Refer servicing to qualified service personnel 2 2 2 Caution for AC Mains Lead For your safety please read the following text carefully T...

Страница 6: ...solder is used Definition The letter of PbF is printed on the P C B using the lead free solder To put lead free solder it should be well molten and mixed with the original lead free solder Remove the remaining lead free solder on the P C B cleanly for soldering of the new IC Since the melting point of the lead free solder is higher than that of the normal lead solder it takes the longer time to me...

Страница 7: ...f the circuit is changed or modified the information will be followed by service manual to be controlled with original service manual In case of repair of parts please refer as follow Defective Parts Repair Method 1 Main P C B Change by Main P C B Unit 2 Wireless Antenna P C B Change by Main P C B Unit 3 Bluetooth Antenna P C B Change by LED P C B Unit 4 LED P C B Change by LED P C B Unit 5 Back P...

Страница 8: ...L Power consumption Main unit 19 W Active subwoofer 18 W In standby condition Main unit When Bluetooth standby is off Approx 0 5 W When Bluetooth standby is on Approx 2 W When all wired network ports are connected and all wireless networks are activated in network standby Approx 5 1 W Active subwoofer Approx 0 5 W When wireless activated in network standby Approx 2 3W Power supply AC 220 V to 240 ...

Страница 9: ...78 GHz Maximum RF Power 0 09dBm No of channels 38 Bluetooth SECTION Version Bluetooth Ver 4 0 Class Class 2 Supported profiles A2DP Operating frequency 2402MHz to 2480MHz Maximum RF Power 7 1dBm Operating distance 10 m Line of Sight Specifications are subject to change without notice Mass and dimensions are approximate Total harmonic distortion is measured by a digital spectrum analyzer ...

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Страница 11: ...FRPSDWLEOH 86 SRUW IRU VHUYLFH XVH RQO 237 7 8 2 1 WHUPLQDO a 7KH 6 7 EXWWRQ LV RQO XVHG ZKHQ WKH PDLQ XQLW LV QRW SDLUHG ZLWK WKH DFWLYH VXEZRRIHU This system Rear 0DLQ XQLW FWLYH VXEZRRIHU 6 7 B B 1B74 ERRN ࢪ 㸰㸮㸯㸴ᖺ㸯㸯 㸰㸶 ࠉ ᭙ ࠉ ᚋ㸵 㸯㸳ศ ...

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Страница 13: ... to different status This chapter describes the case based on the 200 times Before factory delivery all records show as FF When performing factory delivery settings the record will be all restored as FF The last 200 times operations are recorded following left to right top to down order started from the third number at the up left corner When exceeding 200 times the 3rd operation record will be co...

Страница 14: ...ation of this unit 1 Confirm the 1st number address 2 Confirm the value which shown at the step 1 address 3 Check the last operation with below shown list Refer to the display shown above 1 the first number is B3 2 Value at address B3 is C5 3 Check with the below list C5 indicates the unit last operation is software update Value Operation 4F Key operation VOL 50 Key operation VOL 4E Key operation ...

Страница 15: ...orrect or change cable Function indicator LED no light up Function indicator LED no light up Press the Power button on the nit to t rn on Press OPTICAL b tt th t on the unit to turn on the unit button on the remote control Connect BD or DVD device to OPT Sound can be heard OK NG Ch 5V At SYS_5V Refer to check point or 3 3V At STB_3V3 Refer to check point NG Ch OK Change LED PCB Unit Still No Displ...

Страница 16: ...ring failure p g Go to Bluetooth Pairing failure Press the Power button to turn on the unit Connect Bluetooth device 3 3 V at STB_3V3 Refer to check point No sound Play sound NG Yes NG OK NG Go to Bluetooth Pairing failure No problem found Change Main PCB Unit NG Change LED PCB Unit Change Main PCB Unit OK Check the FFC cable is connect correct Main XP9 to LED XP1 Connect correct or still no sound...

Страница 17: ...ooth Pairing failure No problem found Change Main PCB Unit NG Change LED PCB Unit Change Main PCB Unit OK Check the FFC cable is connect correct Main XP9 to LED XP1 Connect correct or still no sound No problem found OK Connect correct or change FFC cable No HDMI OUT P th P l t HDMI ARC Y Press the Power button to turn on the unit No output NG select HDMI ARC source and connect TV with ARC to HDMI ...

Страница 18: ...18 7 1 8 Check Points 1 25 4V POWER P C B MAIN P C B 4 STB_3V3 2 SYS_5V ...

Страница 19: ...19 MAIN P C B 3 STB_3V3 ...

Страница 20: ... active subwoofer Pairing success s success Input audio signal Sound can be heard NG Change Main PCB active subwoofer LED no light up OK Check output at 25 4V Refer to check point Check the cable is connected correctly Main XP4 to Power XP1 OK Connect the AC mains lead 3 3V At STB_3V3 Refer to check point OK Check the cable is connected correctly Main XP5 to LED XP6 OK Change Subwoofer Box Unit Ch...

Страница 21: ...21 MAIN P C B 2 STB_3V3 ...

Страница 22: ...MP TAS5342A XP413 2 3 R DC DC TPS562200 DC DC TPS562200 DC DC SY8292 TAS5534 TAS5342A 1 2 XP414 XTAL 27MHz SDRAM 64Mb FLASH 16Mb 4 5 1 2 4 XP417 6 1 XP9 27MHz 64Mb 16Mb CN3 6 1 CON1 XP1 26 1 26 1 XP2 SIGNAL GND P416 4 KEY 5 6 WIRELESS ANTENNA P C B KEY P C B 1 POWER P C B LED 9 BT BM830 PWM IC SN3112 ADC PCM1808 OP F4558 X XP 1 LED P C B KEY 5 7 ANTENNA P C B BT IN BLUETOOTH ANTENNA P C B CON1 BM8...

Страница 23: ...3V 16 0 5V 17 0V 18 1 2V 19 0V 20 0V 21 0V 22 3 3V 23 3 3V 24 3 3V 25 0V 26 3V VOLTAGE DATA measurement status Power On and No any external signal input 6 PIN NO VALUE 1 3 3V 2 3 3V 3 3 3V 4 0V CN207 XP2 XP114 XP9 XP417 3 PIN NO VALUE 1 0 78V 2 0 78V 4 PIN NO VALUE 1 0 78V 2 0 78V XP413 XP414 1 4 1 2 1 2 25 1 26 2 6 1 5 PIN NO VALUE 1 0V CON1 7 PIN NO VALUE 1 0V CON1 ...

Страница 24: ...WA488 KEY KEY XP1 7 1 POWER P C B XP1 XP4 7 1 MAIN P C B 7 1 3 AMP TDA7492E SUB DC DC TPS562200 XP4 2 1 XP6 XP5 1 2 XP1 LED P C B DAC MAIN P C B 7 1 2 1 3 1 2 AMP TDA7492E 2 2 XP WIRELESS IA3S4 DAC ES7144 1 SUB IN IA3S4 2 2 1 3 1 ...

Страница 25: ...E DATA measurement status Power On and No any external signal input 1 PIN NO VALUE 1 9 6V 2 9 6V XP1 3 PIN NO VALUE 1 0V 2 0V 3 0V 4 25 4V 5 25 4V 6 25 4V 7 3 3V XP4 2 PIN NO VALUE 1 2 8V 2 0 1V XP5 1 2 2 1 1 7 ...

Страница 26: ...26 9 Service Fixture tools For better servicing purpose prepare service tool Service tool Part no Main P C B LED P C B TNMX064 ...

Страница 27: ...s for internal inspection when carrying out the servicing To assemble the unit reverse the steps shown in the chart below 10 1 1 Main Unit SU HTB488 494 498 4 Main P C B Unit 2 AC Cord 3 Power P C B 7 Key P C B 5 LED P C B Unit 1 Front Cabinet Unit 6 Speaker 10 1 2 Active Subwoofer SB HWA488 4 Woofer Speaker 1 Back Panel Unit 3 Power P C B 2 Main P C B ...

Страница 28: ...peaker 2 Power P C B LED P C B 10 2 P C B Positions 10 2 1 Main Unit SU HTB488 494 498 10 2 2 Active Subwoofer SB HWA488 Woofer Speaker LED P C B Main P C B Power P C B Main P C B Bluetooth Antenna P C B Wireless Antenna P C B ...

Страница 29: ...inet Unit 1 Remove 8 Black Screws A 2 Lift up Main Unit 3 Pull the Front Cabinet Unit in the direction of your side Front Cabinet Unit 10 3 Disassembly Procedure of Main Unit SU HTB488 494 498 Black Screw A Black Screw A ...

Страница 30: ...d Bracket in the direction of arrow 3 Pull the AC Cord out from the rear side of the Back Cabinet Unit Connector B AC Cord Bracket 10 3 3 Power P C B 1 Remove 1 Black Screw B 2 Disconnect connector A 3 Remove the Power P C B Black Screw B Power P C B Connector A Back Cabinet Unit Connector A ...

Страница 31: ...screw driver in the direction of arrow LED P C B Connector A FFC Black Screw C Black Screw C Thin screw driver Wireless Antenna P C B Caution Before the installment completely wipe off the double sticky tape left on the front cabinet unit otherwise the Antenna sensitivity will be effected Moreover when installing press the Wireless Antenna P C B tightly onto the front cabinet unit Thin screw drive...

Страница 32: ... same way Speaker Cable Terminal Speaker 2 Speaker 1 Speaker Cable Terminal Black Screw A Black Screw A Key P C B 10 3 7 Key P C B 1 Disconnect connector A 2 Remove 3 Black Screws C 3 Pull the Key P C B key button in the direction of arrow 4 Remove 3 Silver Screws B 5 Remove the Key P C B Connector A Silver Screw B Black Screw C ...

Страница 33: ...nit in the direction of your side 3 Disconnect connector A B C 4 Remove 4 Black Screws B 5 Remove the Back Panel Unit Connector A Connector B Back Panel Unit 10 4 2 Main P C B 1 Remove 4 Silver Screws A 2 Disconnect connector A 3 Remove the Main P C B Connector A Silver Screw A Main P C B Black Screw A Connector C AC Cord Silver Screw A Black Screw B Black Screw B ...

Страница 34: ...the direction of your side 4 Disconnect 2 Speaker Cable Terminals 5 Remove Woofer Speaker 10 4 3 Power P C B 1 Disconnect connector A 2 Remove 4 Silver Screws A 3 Remove the Power P C B Power P C B Black Screw A Woofer Speaker White Black Silver Screw A Silver Screw A Connector A Woofer Speaker Cover Black Screw A ...

Страница 35: ...35 11 Measurements and Adjustments 11 1 Service Position XP1 XP9 TNMX064 LED P C B MAIN P C B ...

Страница 36: ...Model No SC HTB488EB EG 494EG 498EB Parts List Note Page 1 of 7 Print Parts List 10 22 2017 file royalfs Service Technical Ms dehghani All SVC sent by CD 19 SC HTB488EGA ...

Страница 37: ...Model No SC HTB488EB EG 494EG 498EB Casing Parts Mechanism Section SU HTB488 494 498 Page 2 of 7 Print Parts List 10 22 2017 file royalfs Service Technical Ms dehghani All SVC sent by CD 19 SC HTB488EGA ...

Страница 38: ... 7 TNMX066 CORD B 1 8 TNMX067 CORD C 1 9 TNMX068 CORD D 1 10 TKXA30701 WIRE HOLDER 2 11 TMKB429 EVA 1 12 RFZA0021 SPEAKER 2 13 TMKK671 PROTECTION PAD 2 14 TNMX069 FFC A 1 15 TTFA0369 BACK CABINET UNIT 1 488EG 488EB 15 TTFA0377 BACK CABINET UNIT 1 494EG 15 TTFA0376 BACK CABINET UNIT 1 498EB 15 1 RKA0327 K RUBBER LEG 4 15 2 TMKE194 PC SHEET 1 16 TKXA30801 KEY BUTTON 1 17 RSQ0143 AC CORD 1 488EG 494E...

Страница 39: ...Model No SC HTB488EB EG 494EG 498EB Casing Parts Mechanism Section SB HWA488 Page 4 of 7 Print Parts List 10 22 2017 file royalfs Service Technical Ms dehghani All SVC sent by CD 19 SC HTB488EGA ...

Страница 40: ... 1 34 TENH5009 BRACKET L 1 35 TENH5010 BRACKET R 1 36 TEKX097 BACK PANEL UNIT 1 488EG 36 TEKX098 BACK PANEL UNIT 1 488EB 37 TEFX5008 I D SET BUTTON 1 38 RFZA0020 WOOFER SPEAKER 1 39 TKXA30901 WOOFER SPEAKER COVER 1 111 THEJ070C SILVER SCREW A 8 112 RHD30236 BLACK SCREW A 10 113 THEC309Z BLACK SCREW B 4 Page 5 of 7 Print Parts List 10 22 2017 file royalfs Service Technical Ms dehghani All SVC sent ...

Страница 41: ...Model No SC HTB488EB EG 494EG 498EB Packing Accessories Section Page 6 of 7 Print Parts List 10 22 2017 file royalfs Service Technical Ms dehghani All SVC sent by CD 19 SC HTB488EGA ...

Страница 42: ...CTIONS 1 488EG A4 N2QAYC000115 REMOTE CONTROLLER 1 P1 TPDA31621 POLYFOAM L 1 P2 TPDA31641 POLYFOAM M T 1 P3 TPDA31631 POLYFOAM R 1 P4 TPEH873 MAIN UNIT BAG 1 P5 TPDA31651 POLYFOAM M B 1 P6 TPDA31661 POLYFOAM T 1 P7 TPEH874 SUBWOOFER BAG 1 P8 TPDA31661 POLYFOAM B 1 P9 TPCD74401A PACKING CASE 1 488EG P9 TPCD77001A PACKING CASE 1 494EG P9 TPCD74301A PACKING CASE 1 488EB P9 TPCD77101A PACKING CASE 1 4...

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