Panasonic KX-TS500MXB Скачать руководство пользователя страница 14 | Manualshive

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14. HOW TO REPLACE FLAT PACKAGE IC

14.1. Preparation

- PbF (: Pb free) Solder
- Soldering Iron

Tip Temperature of 700°F ± 20°F (370°C ± 10°C)
Note: We recommend a 30 to 40 Watt soldering iron. An expert
may be able to use a 60 to 80 Watt iron where someone with less
experience could overheat and 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)

().

14.2. Procedure

1. Tack the flat pack IC to the PCB by temporarily soldering two

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Содержание KX-TS500MXB

Страница 1: ...hone Equipment KX TS500MXB KX TS500MXC KX TS500MXH KX TS500MXR KX TS500MXW Integrated Telephone System Black Version Blue Version Gray Version Red Version White Version for Asia Middle Near East and O...

Страница 2: ...rvice and repair work we suggest using the same type of solder although with some precautions standard Pb solder can also be used Caution PbF solder has a melting point that is 50 F 70 F 30 C 40 C hig...

Страница 3: ...lver and Copper Sn Ag Cu you can also use Tin and Copper Sn Cu or Tin Zinc and Bismuth Sn Zn Bi Please check the manufac turer s specific instructions for the melting points of their products and any...

Страница 4: ...luminum foil 2 Ground the soldering irons 3 Use a conductive mat on the worktable 4 Do not touch IC or LSI pins with bare fingers 3 CAUTION Danger of explosion if battery is incorrectly replaced Repla...

Страница 5: ...5 SETTINGS 5 1 Connection 6 OPERATIONS 6 1 Making Calls 6 2 Answering Calls 7 SPECIAL FEATURES 7 1 For Call Waiting Service Users 7 2 Temporary Tone Dialing For Rotary or Pulse Service Users 5...

Страница 6: ...M CURE No Tone Dialing Check IC1 Q2 Q1 C22 and R24 Dead Check IC1 Q2 Q1 and D17 Rings no dial tone no pulse or tone dial Check Q1 Q2 D17 Q3 and IC1 No rings Check C1 R2 D4 and IC1 No volume Handset Ch...

Страница 7: ...9 3 Problems With the Handset 7...

Страница 8: ...9 4 Tone Dialing Problems 9 5 Problems With Ringer 9 6 How to Check the IC1 Scanning to the key 8...

Страница 9: ...e the telephone line from the unit 2 Short VDD and VSS with lead wire See Fig 1 3 Plug into the telephone line 4 Lift the handset off the unit and confirm to hear the tone dialing Then hang up the han...

Страница 10: ...2 is OFF and Q1 is OFF break If port Pin 10 is HIGH Q2 is ON Q1 is ON make 12 2 Tone Dial Circuit Function The tone dialing circuit consists of a DTMF Dual Tone Multi Frequency signal generator output...

Страница 11: ...Q3 is an amplifier which is used to output the signal to line Shown below is the signal flow used to output the DTMF signal from the handset as a monitor tone when a dial key is pressed Pin 3 of IC1...

Страница 12: ...ruled line is information only for service correspondence Usually the default setting is digit 6 12 4 Power Circuit and Redial Back up Circuit Function This set is powered from the line When it is an...

Страница 13: ...13 CPU DATA 13...

Страница 14: ...Watt soldering iron An expert may be able to use a 60 to 80 Watt iron where someone with less experience could overheat and damage the PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA low...

Страница 15: ...k points slide the soldering iron along the tips of the pins while feeding enough solder to the tip so that it flows under the pins as they are heated 14 3 Modification Procedure of Bridge 1 Add a sma...

Страница 16: ...16...

Страница 17: ...ST 1 RTL Retention Time Limited Note The marking RTL indicates that the Retention Time is limited for this item After the discontinuation of this assembly in production the item will continue to be av...

Страница 18: ...ents only use specified manufacture s parts 3 The S mark means the part is one of some identical parts For that reason it may be different from the installed part 4 ISO code Example ABS 94HB of the re...

Страница 19: ...ABINET COVER for KX TS500MXB PS HB 5 PQYF10573X4 CABINET COVER for KX TS500MXC PS HB 5 PQYF10573X5 CABINET COVER for KX TS500MXH PS HB 5 PQYF10573X3 CABINET COVER for KX TS500MXR PS HB 5 PQYF10573Z1 C...

Страница 20: ...8K R23 ERJ3GEYJ102 1K R24 ERJ3GEYJ181 180 R25 ERJ3GEYJ104 100K R26 ERJ3GEYJ104 100K R28 ERJ3GEYJ473 47K R31 ERJ3GEYJ153 15K R32 ERJ3GEYJ682 6 8K R46 ERDS2TJ470 47 R47 ERJ3GEY0R00 0 R51 ERJ3GEYJ101 10...

Страница 21: ...ELEPHONE A2 PQJA212V CORD CURL for KX TS500MXB for KX TS500MXC A2 PQJA212N CORD CURL for KX TS500MXH for KX TS500MXR A2 PQJA212M CORD CURL for KX TS500MXW A3 PQJXE0401Z HANDSET for KX TS500MXB A3 PQJX...

Страница 22: ...emo 21 CIRCUIT BOARD 21 1 Main Component View 21 2 Main Flow Solder Side View Refer to OPTION JUMPER TABLE Refer to Ringer Circuit 21 3 Operation Flow Solder Side View M KXTS500MXB KXTS500MXC KXTS500M...

Страница 23: ...TE DIALLER LINE CURRENT SENSE SOFT CLIP AGC VDD LI CI LS RI STB AGND LED VDD VSS MO FCI HS DP LLC OSC MFL MODE C1 C2 C3 C4 R1 R2 R3 R4 M1 M2 RO CS IC1 KEY PAD R9 4148 sv1 LIGH LIGLD LIGDM AON 3 53 ADL...

Страница 24: ...30V Q2 JP3 R11 10K D6 0 10V D13 Q4 RI _ C15 16V10 2 2K R20 R24 180 SP_ R51 100 6 3V100 C11 VR2 C26 50V1 MC_ MC R52 100 R21 1 8K JACK3 HS_JACK 1 MC 2 SP 3 SP 4 MC R22 1 8K R25 100K R23 1K 2 Flash 3 9 0...

Страница 25: ...M2 25 CS 26 VSS 27 L1 28 R1 AL 100ms JP24 JP27 0 AL JP26 D9 AL Tone82ms JP28 JP15 20pps33 JP16 20pps40 S2 TP_SWITCH 2 3 1 JP17 10pps JP23 0 10pps40 JP14 10pps33 D8 AL 600ms JP25 6 3V470 C34 R37 6 8K...

Страница 26: ...M2 25 CS 26 VSS 27 L1 28 R1 AL 100ms JP24 JP27 0 AL JP26 D9 AL Tone82ms JP28 JP15 20pps33 JP16 20pps40 S2 TP_SWITCH 2 3 1 JP17 10pps JP23 0 10pps40 JP14 10pps33 D8 AL 600ms JP25 6 3V470 C34 R37 6 8K...

Страница 27: ...C22 C36 C34 C10 Q7 Q2 E C B E C B E C B E C B Q3 Q1 JJ3 JJ4 JP29 JP3 R9 D13 FLT2 FLT5 FLT6 FLT1 FLT3 FLT4 1 3 S1 D21 S2 4 1 S3 D2 D8 C29 C11 VR1 VR2 JACK3 C15 C26 D9 D10 D11 1 D5 IC1 28 C1 YELLOW GREE...

Страница 28: ...2 R43 R38 R26 R15 RING R16 R3 R1 R47 JP26 JP28 R29 R20 C27 C13 C19 C12 C18 C23 R51 R21 C24 SP SP SP MC 12 3 1 28 25 20 R10 VSS FLT1 15 A 5 1 SP MC MC MC C30 C3 FLT3 FLT6 C25 G Y Q4 TP4 TIP TP3 TP5 D17...

Страница 29: ...1 1 2 3 10 4 CN1 V V FLASH REDIAL PbF 5 6 7 8 9 0 KX TS500MXB MXC MXH MXR MXW CIRCUIT BOARD Operation Flow Solder Side View...

Страница 30: ...1 IC1 CN1 1 2 3 4 5 6 7 8 9 10 11 12 PbF Marked Component View...

Страница 31: ...1 1 2 3 10 4 CN1 V V FLASH REDIAL PbF 5 6 7 8 9 0 Marked Flow Solder Side View...

Страница 32: ...JP14 JP23 JP15 JP16 JP24 JP20 JP21 JP22 JP25 R37 R32 R43 R38 R26 R15 RING R16 R3 R1 R47 JP26 JP28 R29 R20 C27 C13 C19 C12 C18 C23 R51 R21 C24 SP SP SP MC 12 3 1 28 25 20 R10 VSS FLT1 15 A 5 1 SP MC MC...

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