Panasonic KX-TS820MXB, Service Manual

Page 1: ... Unauthorized copying and distribution is a violation of law ORDER NO KM40909001CE Telephone Equipment Model No KX TS820MXB KX TS820MXW Integrated Telephone System B Black Version W White Version for Asia Middle Near East and other areas ...

Page 2: ...2 KX TS820MXB KX TS820MXW ...

Page 3: ...ms 10 8 3 Tone Dialing Problems 11 8 4 No Ringing Sound When Ring Signal is Input 11 9 Disassembly and Assembly Instructions 12 9 1 Disassembly Instructions 12 10 Miscellaneous 14 10 1 How to Replace the Flat Package IC 14 10 2 Terminal Guide of the ICs Transistors and Diodes 16 11 Schematic Diagram 17 11 1 For Schematic Diagram 17 11 2 Schematic Diagram Main 18 11 3 Schematic Diagram Operation 20...

Page 4: ...lder Pbf Pb free Note In the information below Pb the symbol for lead in the periodic table of elements will refer to standard solder or solder that con tains lead We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin Sn Silver Ag and Copper Cu This model and others like it manufactured using lead free solder will have PbF stamped on t...

Page 5: ...ismuth Sn Zn Bi Please check the manufac turer s specific instructions for the melting points of their products and any precautions for using their product with other materi als The following lead free PbF solder wire sizes are recommended for service of this product 0 3 mm 0 6 mm and 1 0 mm 2 1 2 Discarding of P C Board When discarding P C Board delete all personal information such as telephone d...

Page 6: ...6 KX TS820MXB KX TS820MXW 3 Specifications Note Design and specifications are subject to change without notice ...

Page 7: ...dset Receiving Amp Sidetone Bridge 2AP D106 D201 D202 C1 R1 Vol Ringout Ringdet Vdd Vss XOU XIN X1 Handset KX TS820 BLOCK DIAGRAM SP MIC Q101 Q102 Q103 Q107 Q301 Q306 Q308 Q401 Q303 Q304 Q305 Buzzer Handset Sending Amp Handset Volume Control D6 D102 D4 Ring detect circuit Ringer Out ON OFF circuit OFF HOOK OFF HOOK Keyboard Switch ...

Page 8: ... 3 Buzzer 4 2 3 Telephone Line Interface 4 2 3 1 Circuit operation On hook Q101 is OFF on hook condition where DC loop is disconnected and voice signal flow is cut Off hook During Off Hook pin 4_6 of SW1 Q101 is ON providing an off hook condition active DC current flow through the circuit and the following is the signal flow T POS101 L101 D101 Q101 Q107 R119 D106 D101 L102 R Receiving signal flows...

Page 9: ...rating Instructions Note You can download and refer to the Operating Instructions Instruction book on TSN Server 7 Operating Instructions Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book on TSN Server 7 1 For Service Hint 7 1 1 To Release the Establishment of Dial Lock If the current password is forgotten follow this procedure you w...

Page 10: ...10 KX TS820MXB KX TS820MXW 8 Troubleshooting Guide 8 1 Service Hints 8 2 Pulse Dialing Problems ...

Page 11: ...11 KX TS820MXB KX TS820MXW 8 3 Tone Dialing Problems 8 4 No Ringing Sound When Ring Signal is Input ...

Page 12: ...12 KX TS820MXB KX TS820MXW 9 Disassembly and Assembly Instructions 9 1 Disassembly Instructions ...

Page 13: ...13 KX TS820MXB KX TS820MXW ...

Page 14: ... damage the PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder Pbf Pb free P 4 10 1 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts ...

Page 15: ...the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 10 1 4 How to Remove a Solder Bridge 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below ...

Page 16: ...16 KX TS820MXB KX TS820MXW 10 2 Terminal Guide of the ICs Transistors and Diodes ...

Page 17: ...ectronic voltmeter from negative terminal 2 This schematic diagram may be modified at any time with the development of new technology Important Safety Notice Components identified by mark have special characteristics important for safety When replacing any of these components use only the manufacturer s specified parts ...

Page 18: ... R407 100 R408 NC C407 1000p C408 0 1u C410 10k R409 0 01u C521 18k R503 NC VR501 1 2 3 0 012u C503 820p C502 56k R506 NC C531 0 01u C511 2 2M R511 2 2M R521 NC R531 100k R203 100K R204 0 1u C211 33P C213 33P C212 NC C201 TP91 TP92 TP61 TP72 TP62 TP71 VSS NC C314 220k R403 560P C406 15k R504 3300p C501 Q301 NC R505 IC201 NC 1 VOUT 2 VCC 3 NC 4 GND JJ2 MIC SP MIC SP C202 NC R201 NC R202 NC G 3 58M ...

Page 19: ...6 VDD TP80 330k R2 220k R4 0 056u C2 Q101 47k R132 16 10u C109 D1 Q1 SA101 470k R141 SW3 4 C 1 2 3 5 6 Q107 250 1u C1 4 7K R105 15K R13 68K R103 100K R8 15 R119 6 8k R1 TP93 IC1 7 VCC AVCC 12 TXMUTE 13 RXMUTE 14 HW 15 RINGOUT 16 UARTRX 21 KEYIN3 22 KEYIN2 23 KEYIN1 24 KEYIN0 28 STB4 29 STB3 30 STB2 31 STB1 32 STB0 4 P4_7 XOUT XCOUT 5 VSS AVSS 6 P4_6 XIN XCIN 9 BEEP 10 UARTTX 11 PULSE 18 VOL2 19 VO...

Page 20: ...1 2 M6 1 2 7 1 2 1 2 1 2 AUTO LOWER 1 2 6 1 2 4 1 2 PAUSE 1 2 M5 1 2 M10 1 2 2 1 2 M3 1 2 M1 1 2 VOL 1 2 M4 1 2 8 1 2 M9 1 2 M2 1 2 3 1 2 VOL 1 2 1 1 2 CN2 _ 11 10 9 8 7 6 5 4 3 2 1 M8 1 2 LOCK 1 2 0 1 2 9 1 2 REDIAL 1 2 M7 1 2 KX TS820MX SCHEMATIC DIAGRAM Operation NC No Components ...

Page 21: ... D130 D201 JP202 D202 D103 R119 C113 Q107 E Q105 E D105 C109 JP203 J6 J5 J2 J4 J3 C106 Q102 E E E E JP101 Q103 R105 Q104 Q101 L102 L101 FLT101 D104 C102 C101 POS101 SA101 C1 JJ1 JP1 D7 D203 C200 C210 J9 JP201 X1 C201 J1 J8 1 CN1 11 SW3 SW2 SW1 C315 JJ2 VR301 VR401 R103 RED WHITE VR501 YELLOW GREEN BLACK RED KX TS820 2382 CIRCUIT BOARD Main Component View A A PNLB1726Z PbF RED WHITE ...

Page 22: ...7 R521 R531 R318 L305 R317 C313 Q308 C312 L308 R315 R316 C314 C320 R320 Q307 L307 R305 R304 C303 L301 C304 Q301 C302 C511 C521 C531 C310 C309 Q306 C308 C307 R312 C305 R109 R107 R111 TP5 C104 R106 R101 R102 Q303 C331 C332 C333 Q304 Q305 R314 R309 R310 R311 R313 C306 R307 R308 Q302 R306 R302 R301 Q140 R141 R108 C141 R142 C140 C107 C116 C105 R112 R104 C130 R130 Q130 Q106 R114 R131 R113 C112 R116 C2 R...

Page 23: ...23 KX TS820MXB KX TS820MXW 12 2 Circuit Board Operation 12 2 1 Component View PNLB1727Z PbF CN2 A KX TS820 2382 CIRCUIT BOARD Operation Component View 1 2 3 4 5 6 7 8 9 10 11 ...

Page 24: ...820MXB KX TS820MXW 12 2 2 Bottom View 1 2 3 4 5 6 7 8 0 9 M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 DIALLOCK PROGRAM AUTO LOWER PAUSE FLASH REDIAL VOL VOL A PNLB1727Z PbF KX TS820 2382 CIRCUIT BOARD Operation Bottom View ...

Page 25: ...25 KX TS820MXB KX TS820MXW 13 Exploded View and Replacement Parts List 13 1 Cabinet and Electrical Parts ...

Page 26: ...26 KX TS820MXB KX TS820MXW 13 2 Accessories and Packing Materials Note 1 This pad is a piece of Ref No P1 GIFT BOX ...

Page 27: ...820MXB ABS HB 5 PNBX1079Z1 KEYBOARD SWITHCH 5 KEYS for KX TS820MXW ABS HB 6 PNGD1018Z CARD TEL 7 PNGV1009Z TEL CARD COVER 8 PNHR1243Z LED LENS 9 PNJK1069Y KEYBOARD SWITCH RUB BER KEY for KX TS820MXB 9 PNJK1069Z KEYBOARD SWITCH RUB BER KEY for KX TS820MXW 10 PNYF1026Z2 CABINET COVER for KX TS820MXB PS HB 10 PNYF1026Z1 CABINET COVER for KX TS820MXW PS HB 10 1 PQHA10011Z FOOT RUBBER 11 PNKL1013Z2 STA...

Page 28: ...9 ERJ3GEYJ103 10k R500 ERJ3GEY0R00 0 R501 ERJ3GEYJ184 180k R502 ERJ3GEYJ224 220k R503 ERJ3GEYJ183 18k R504 ERJ3GEYJ153 15k R506 ERJ3GEYJ563 56k R511 ERJ3GEYJ225 2 2M Safety Ref No Part No Part Name Description Remarks R521 ERJ3GEYJ225 2 2M L103 ERJ3GEY0R00 0 L301 ERJ3GEY0R00 0 L305 ERJ3GEY0R00 0 L306 ERJ3GEY0R00 0 L307 ERJ3GEY0R00 0 L308 ERJ3GEY0R00 0 L402 ERJ3GEY0R00 0 L404 ERJ3GEY0R00 0 L405 ERJ...

Page 29: ...T KX TS820MXB A1 PQJA10152Z CORD HANDSET KX TS820MXW A2 PQJA10075Z CORD TELEPHONE A3 PNQX2233Z OPERATING INSTRUCTION ENGLISH TRADITIONAL CHINESE A4 PNQX2234Z OPERATING INSTRUCTION ARABIC PERSIAN A5 PNQX2307Z OPERATING INSTRUCTION THAI VIETNAM A6 PQJXF0101Z HANDLE HANDSET KX TS820MXB A6 PQJXF0102Z HANDLE HANDSET KX TS820MXW P1 PNPK2553Z GIFTBOX P2 PQPH10076Y PROTECTION COVER Safety Ref No Part No P...