Panasonic SB-HWA250GA Service Manual Download Page 33 | Manualshive

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10.2. Casing Parts & Mechanism Section (SB-HWA250)

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Summary of Contents for SB-HWA250GA

Page 1: ...WA250GA SB HWA250GJ 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 advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional tech...

Page 2: ...onents 9 6 Service Mode 11 7 Troubleshooting Guide 13 7 1 Main Unit SU HTB250 13 7 2 Active Subwoofer SB HWA250 18 8 Wiring Connection and Voltage Data 19 8 1 Main Unit SU HTB250 19 8 2 Active Subwoofer SB HWA250 21 9 Disassembly and Assembly Instructions 23 9 1 Disassembly Flow Chart 23 9 2 P C B Positions 24 9 3 Disassembly Procedure of Main Unit SU HTB250 25 9 4 Disassembly Procedure of of Acti...

Page 3: ...h to thechassis 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 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 the se...

Page 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...

Page 5: ...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...

Page 6: ...erational performance and playability Make sure to refer the following procedure when performing version up 3 2 1 Confirmation of the Software Version Steps 1 Turn on the unit 2 In any mode press the combination remote control keys as below MUTE SUBWOOFER MUTE SUBWOOFER within 3 seconds for each key pressed 3 Software Version number is indicated by LED Example a CINEMA HDMI ARC LED lighted SW Vers...

Page 7: ...load the software binary file from website below to USB Use the USB 2 0 memory and copy files to the root folder http av jpn support panasonic com support global cs audio Copy to USB memory Audio customer support website Software download xxx bin Software update 光デジタル音声入力 Insert into USB port Back of the unit Software is updating Note Do not remove USB Device or Power OFF in this stage When Plug...

Page 8: ...e of sight Maximum RF Power 4 dBm Supported codec SBC SPEAKER SECTION Front speakers Built in Full range 4 x10 cm cone type x 1 ch Active subwoofer Woofer 14 cm cone type x 1 4 Specifications WIRELESS SECTION Wireless module Frequency Range 2404 MHz to 2476 MHz No of channels 38 RF output power 7 dBm max GENERAL Power supply AC 220 V to 240 V 50 60 Hz Power consumption Main unit 15 W Active subwoo...

Page 9: ...V WKH VRXUFH 7R VWDUW OXHWRRWK SDLULQJ SUHVV DQG KROG E 086 LQGLFDWRU F 1 0 LQGLFDWRU G 0 5 LQGLFDWRU H 86 LQGLFDWRUV I 237 LQGLFDWRU J OXHWRRWK LQGLFDWRU K 5HPRWH FRQWURO VHQVRU LVWDQFH LWKLQ DSSUR LPDWHO P QJOH SSUR LPDWHO XS DQG GRZQ OHIW DQG ULJKW L 237 7 8 2 1 WHUPLQDO M 86 SRUW N 0 5 WHUPLQDO 5 FRPSDWLEOH URQW 5HDU HDMI ARC USB OPTICAL Active subwoofer 7KH 6 7 EXWWRQ LV RQO XVHG ZKHQ WKH PDL...

Page 10: ... E 86 SOD EDFN RSHUDWLRQ F 6HOHFW WKH VRXQG PRGH G GMXVW WKH YROXPH OHYHO H 0XWH WKH VRXQG Ű Preparing the remote control Before using for the first time 5HPRYH WKH LQVXODWLRQ VKHHW Replacing the battery 5HSODFH ZLWK D QHZ EDWWHU 5 OLWKLXP EDWWHU QVHUW D QHZ EDWWHU ZLWK WKH VLGH IDFLQJ XS MUTE SOUND INPUT SUBWOOFER PAIRING ALBUM HDMI ARC USB OPTICAL QVXODWLRQ VKHHW 74 BHQ IP 3DJH HGQHVGD 0DUFK 30 ...

Page 11: ...e flash memory to USB device for service personnel confirmation use Steps 1 Turn on the unit 2 In any mode press the combination remote control keys as below MUTE SUBWOOFER SUBWOOFER MUTE within 3 seconds 3 After key pressed is successful both MUSIC OPTICAL LED will blink 4 Insert USB device into USB port of the Unit 5 Wait until both MUSIC OPTICAL LED stop blinking and then return to normal condi...

Page 12: ...00 times 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 covered once the 201st operation occurs the 4th operation record will be covered once the 202nd operation occurs then covering the fifth the sixth in sequence Please follow below steps to confirm ...

Page 13: ...heck the Main U16 Pin 5 at 5 2V Refer to check point or Check the Main C117 U16 Pin 8 at 3 3V Refer to check point NG Change Main PCB OK Change LED PCB Still No Display Change Main PCB Check the cable is connected correctly Main CP2 to IR CN2 Connect correctly or change the cable NG OK Press the Power button on the unit to turn on the unit Change Power PCB NG NG OK Check the Main C133 C165 power o...

Page 14: ...G Yes If the pairing failure Go to Bluetooth Pairing failure OK Change Main PCB NG Check the cable is connected correctly Main CP4 to Key CN4 Connect correctly or change the cable NG Change IR PCB Press Main set Power button to Power ON unit Go to No Power NG OK 3 3 V at Pin 8 of Main CP2 Refer to check point Change Main PCB NG Turn ON Mobile Phone camera and point to remote control IR LED Press a...

Page 15: ...airing failure OK Change Main PCB NG Connect correctly or change the cable No HDMI ARC Press the Power button to turn on the unit No Sound output No Sound Optical select HDMI ARC source and connect TV with ARC to HDMI Press the Power button to turn on the unit No Sound output Select OPTICAL source and connect BD DVD device Change HDMI cable Yes Change Main PCB Still No Sound output Yes Change OPTI...

Page 16: ...16 7 1 8 Check Points MAIN P C B 4 Pin 2 3 4 5 6 of Main CP4 6 Pin 8 of Main CP2 1 7 1 8 1 24V 2 5 2V 3 3 3V C117 U16 Pin8 C117 ...

Page 17: ...17 KEY P C B 5 Pin 2 3 4 5 6 of Key CN4 1 7 IR P C B 7 Pin 8 of IR CN2 1 8 ...

Page 18: ...mages Change FFC cable Check audio data from RX Module Main J5 Pin 10 NG OK Check audio data from Speaker terminal Main J3 NG Change Subwoofer Box Unit OK No sound Press the power button on the unit to turn on the main unit and active subwoofer No power The main unit and active subwoofer Pairing success s success Input audio signal Sound can be heard NG Change Wireless RX Module PCB LED not light ...

Page 19: ... CN7 CP1 CN1 CP2 AC IN DC OUT CN2 U16 LDO AME8816 1 4 1 7 1 8 1 8 1 2 2 1 6 1 1 24 U15 DC DC TD7286 U17 LDO AZ1117D DSP M8307 U18 LDO APL5320 U8 FET NCE40P13S CN3 1 4 6 7 1 1 24 MAIN P C B POWER P C B CP5 J2 CN4 2 CN5 CN2 1 LED P C B IR P C B 3 4 5 6 7 1 KEY P C B WIRELESS TX MODULE P C B 1 2 4 5 3 7 6 ...

Page 20: ...8 3 3V 19 NC 20 NC 21 NC 22 NC 23 NC 24 GND VOLTAGE DATA measurement status Power On and No external signal input 5 PIN NO VALUE 1 24V 2 24V 3 GND 4 GND CN207 CP1 XP114 CP5 CP4 3 PIN NO VALUE 1 12V 2 12V 4 PIN NO VALUE 1 12V 2 12V CN7 CN6 6 PIN NO VALUE 1 3 3V 2 3 3V 3 3 3V 4 3 3V 5 GND 6 GND 7 3 3V 8 3 3V 7 PIN NO VALUE 1 3 3V 2 3 3V 3 3 3V 4 3 3V 5 GND 6 GND CN3 CP2 1 24 1 7 2 1 1 2 1 8 1 6 1 4 ...

Page 21: ...SB HWA250 AMP TAS5731M SUB SUB IN DC DC TD1465A CON1 1 2 J4B J4 1 2 J3 LDO LN1134A POWER P C B MAIN P C B 2 1 1 2 AC IN DC OUT J2 J5 J1B 1 2 J2 24 24 1 1 5 4 3 2 1 LED P C B WIRELESS RX MODULE P C B KEY P C B J1 1 2 1 2 4 5 3 ...

Page 22: ...PIN NO VALUE 1 12V 2 12V J3 4 PIN NO VALUE 1 5 2V 2 5 2V 3 3 3V 4 3 24V 5 3 3V 6 5 2V 7 NC 8 NC 9 3 3V 10 3 3V 11 3 3V 12 0V 13 1 68V 14 1 66V 15 3 3V 16 1 68V 17 0V 18 3 3V 19 NC 20 NC 21 NC 22 NC 23 NC 24 0V J5 24 1 CN207 3 PIN NO VALUE 1 2 67V 2 0V J1 XP114 5 PIN NO VALUE 1 3 2V 2 0V J4 2 1 1 2 2 1 1 2 ...

Page 23: ...vicing To assemble the unit reverse the steps shown in the chart below 9 1 1 Main Unit SU HTB250 2 Main P C B 3 Wireless TX Module P C B 4 Power P C B 5 Key P C B 10 LED P C B 1 Top Cabinet Unit 6 AC Inlet Unit 9 1 2 Active Subwoofer SB HWA250 3 Power P C B 1 Back Panel Unit AC Cord 2 I D Set P C B 4 Main P C B 9 Speaker 7 Speaker Net Frame Unit 6 Woofer Speaker 5 Wireless RX Module P C B 8 IR P C...

Page 24: ... Power P C B LED P C B 9 2 P C B Positions 9 2 1 Main Unit SU HTB250 9 2 2 Active Subwoofer SB HWA250 Woofer Speaker LED P C B Main P C B Power P C B Main P C B IR P C B Wireless TX Module P C B Wireless RX Module P C B I D Set P C B ...

Page 25: ... Screws A on the bottom cabinet Top Cabinet Unit 9 3 Disassembly Procedure of Main Unit SU HTB250 Black Screw A Black Screw A 2 Upset main unit and lift up the Top Cabinet Unit 3 Disconnect connector A and remove the Top Cabinet Unit Connector A ...

Page 26: ... C B Connector C 9 3 3 Wireless TX Module P C B 1 Remove 1 Black Screw C 2 Disconnect FFC cable 3 Remove the Wireless TX Module P C B Wireless TX Module P C B Connector A Black Screw C FFC cable Black Screw C Connector B Black Screw C Black Screw C Connector D Connector E Main P C B Black Screw C FFC cable ...

Page 27: ...Power P C B Connector A Connector B 9 3 5 Key P C B 1 Remove 3 Black Screws C 2 Lift up the the Key P C B Key Button straightly 3 Disconnect connector A Black Screw C Power P C B Black Screw C Key P C B Connector A Key Button 4 Remove 3 Black Screws C 5 Remove the Key P C B Black Screw C ...

Page 28: ...tor A 9 3 7 Speaker Net Frame Unit 1 Remove 4 Black Screws C 2 Remove the Speaker Net Frame Unit Black Screw C Black Screw C Speaker Net Frame Unit 9 3 8 IR P C B 1 Remove 2 Black Screws F 2 Disconnect connector A B 3 Pull the IR P C B to your side and remove it Black Screw F Connector A Connector B IR P C B AC Inlet Unit ...

Page 29: ...als 2 Remove 4 Black Screws C 3 Remove Speaker 1 4 Remove Speaker 2 in the same way Speaker Cable Terminal Speaker 2 Speaker 1 Speaker Cable Terminal Black Screw C 9 3 10 LED P C B 1 Remove 2 Black Screws E 2 Remove the LED P C B Black Screw E LED P C B ...

Page 30: ...2 Press tab on the Plastic Latch by the nipper pliers or other tools and lift up the Power P C B straightly to remove it Power P C B Connector A 4 Press tab A on the AC cord connector simultaneously in the direction of arrows to pull the AC Cord out from the rear side of the Back Panel Back Panel Tab A Black Screw B Plastic Latch 9 4 4 Main P C B 1 Disconnect connector A C and FFC cable 2 Press ta...

Page 31: ...reless RX Module P C B by thin brade driver in the direction of arrow 2 Note Before the installment wipe off the double sticky tape left on the subwoofer box unit completely Moreover when installing press the Wireless RX Module P C B onto the subwoofer box unit tightly 2 1 Sponge FFC cable Wireless RX Module P C B 9 4 6 Woofer Speaker 1 Remove the Woofer Speaker Cover by below method as shown in F...

Page 32: ...anism Section SU HTB250 1 102 2 102 3 8 7 15 5 14 18 9 4 19 102 102 102 102 102 102 101 101 101 101 101 101 101 101 101 101 105 102 102 102 102 102 102 102 102 102 102 102 102 102 102 102 102 104 104 102 102 102 16 17 12 10 11 13 6 105 16 103 18 1 18 1 18 1 18 1 103 102 ...

Page 33: ...33 10 2 Casing Parts Mechanism Section SB HWA250 111 111 38 111 111 111 111 112 112 113 113 113 113 40 34 35 37 36 31 33 39 32 43 41 42 ...

Page 34: ...34 10 3 Packing Accessories Section SC HTB250 A2 A3 P2 P4 P5 SB HWA250 SU HTB250 A5 A1 P1 P3 A4 ...

Page 35: ...65 AC INLET UNIT 1 16 RFZA0023 SPEAKER 2 17 TTPA0900 SPEAKER NET FRAME UNIT 1 18 TTFA0432 BOTTOM CABINET UNIT 1 250GA 18 TTFA0433 BOTTOM CABINET UNIT 1 250GJ 18 1 TMKK750 RUBBER LEG 4 19 TKXA33101 KEY BUTTON 1 101 XTB3 12JFJK BLACK SCREW A 10 102 XTB3 8JFJK BLACK SCREW C 28 103 THEC350 BLACK SCREW D 2 104 THEC351 BLACK SCREW E 2 105 XTB3 6JFJK BLACK SCREW F 2 Safety Ref No Part No Part Name Descri...

Page 36: ...SXA168 AC CORD 1 250GA A3 TSXA175 AC CORD 1 250GJ A4 RSQ0159 OPTICAL CABLE 1 A5 N2QAYC000125 REMOTE CONTROLLER 1 P1 TPDA33481 POLYFOAM T 1 P2 TPEH938 MAIN UNIT BAG 1 P3 TPEH940 SUBWOOFER BAG 1 P4 TPDA33491 POLYFOAM B 1 P5 TPCD96401 PACKING CASE 1 250GA P5 TPCD96501 PACKING CASE 1 250GJ 10 4 3 Packaging Accessories SC HTB250 ...

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