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Panasonic KX-TSC35JXW Service Manual
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Panasonic KX-TSC35JXW Service Manual

Panasonic KX-TSC35JXW Service Manual

Integrated telephone system white version for asia, middle near east and other areas
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ORDER NO. KM40205877C3
Telephone Equipment
KX-TSC35JXW
Integrated Telephone System
White Version
(for Asia, Middle Near East and Other areas)
SPECIFICATIONS
1

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Summary of Contents for Panasonic KX-TSC35JXW

  • Page 1 ORDER NO. KM40205877C3 Telephone Equipment KX-TSC35JXW Integrated Telephone System White Version (for Asia, Middle Near East and Other areas) SPECIFICATIONS...
  • Page 2 2002 Kyushu Matsushita Electric Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 3 1. FOR SERVICE TECHNICIANS ICs and LSls are vulnerable to static electricity. When repairing, the following precautions will help prevent recurring malfunctions. 1. Cover plastic parts boxes with aluminum foil. 2. Ground the soldering irons. 3. Use a conductive mat on worktable. 4.
  • Page 4 3. DISPLAY...
  • Page 5 4. CONNECTION 4.1. Connecting the Handset/Telephone Line Cord - Use only a Panasonic Handset for the KX-TSC35MXW. - Use only a telephone line cord included in the unit. - The AC adaptor must remain connected at all times. (It is normal for the adaptor to feel warm during use.)
  • Page 6 services, you cannot access those services. 4.2. Connecting a Communication Device If you connect a communication device (computer, modem, fax, answering machine, etc.) to the telephone line, you can connect it through this unit using the DATA jack. After connecting the handset, and telephone line cord, connect the communication device telephone line cord to the DATA jack.
  • Page 7 5.2. Time and Date...
  • Page 9 5.3. LCD Contrast...
  • Page 10 5.4. Making Calls...
  • Page 12 5.5. AnswerinCalls...
  • Page 13 5.6. Caller ID Service...
  • Page 15 5.7. Usin the Caller List 5.8. Viewing the Caller List...
  • Page 17 5.9. Calling Back from the Caller List 5.10. Editing the Caller’s Phone Number 5.11. Dial Lock...
  • Page 18 5.11.1. To cancel the dial lock Follow above steps 1 through 3. In step 3, “ “ will go out. 5.12. How to Release the Establishment of Dial Lock...
  • Page 19 5.13. FLASH Button...
  • Page 20 6. DISASSEMBLY INSTRUCTIONS...
  • Page 21 Shown in Fig —. To remove —. Remove —. Lower Cabinet Screws (2.6 × 12).........(A) × 5 Main P. C. Board The Main P.C. Board Battery Box The Battery Box Operational P.C. Board Screws (2.6 × 8)........(B) × 6 7. TROUBLESHOOTING GUIDE 7.1.
  • Page 22 7.2. Pulse Dialing Problems 7.3. Tone Dialing Problems (handset)
  • Page 23 7.4. No Ringing Sound When Ring Signal is Input 8. BLOCK DIAGRAM 9. CIRCUIT OPERATION 9.1. Bell Detector Circuit When the bell signal is input between T/R, the signal are outputted at the speaker via the...
  • Page 24 following path: Tel line R1/C1 Pin 1 of IC1 Pin 8 of IC1 C625 Speaker 9.2. Line Interface In talk status, SW101 become ON and Q103 base changes to high level, causing Q103, Q101 to turn on and resulting in a line loop.The loop current flows from D101(+) Q101 Q108 R124...
  • Page 25 IC601 Pin 15 of IC601 Speaker. 3. Transmission/Reception switching The comparison result between TX and RX outputs as a DC level of Pin 25 of IC601.TX level is high ..Pin 25 = Pin 21 - 6mV RX level is high ..Pin 25 = Pin 21 - 150mVComparator output is connected to the attenuator control inside of IC601.
  • Page 26 When the subscriber hangs-up, check the intermittent tone. If cycle tone is detected, the collector of Q201 goes to a low logic. 9.3.4. Inializing Circuit 9.3.4.1. Function This circuit is used for to initialize the microcomputer when it incorporates batteries. 9.3.4.2.
  • Page 27 9.4. Caller ID Detect Circuit 9.4.1. Function (FSK signal) The caller ID is a changeable ID which the user of a telephone circuit obtains by entering a contract with the telephone company to utilize a caller ID service. For this reason, the operation of this circuit assumes that a caller ID service contract has been entered for the circuit being used.
  • Page 29 10.2. CPU DATA (IC801)
  • Page 31 10.3. RINGER IC (IC1)
  • Page 32 10.4. EEP ROM (IC802) 1. SCL SCL terminal is input terminal of Serial Clock to control transmit and receipt between Master and Slave. 2. SDA SDA terminal is input terminal, to forward the address and the mutual data between Master Device and Slave Device the mutual. This terminal needs the pull-up resistance external because output circuit of SDA uses Open Drain.
  • Page 33 A0, A1, and A2 terminal is not used. 4. WP WP terminal controls writing action. It is possible to do only reading action when high level input and it is possible to do reading and writing action when low level input. 10.5.
  • Page 34 Description Name Input to the transmit detector system. The microphone amplifier output is ac coupled to pin through an external resistor. SKG High current ground pin for the speaker amp output stage. The SKG voltage should be mV of the ground voltage at pin 22. SKO Speaker amplifier output.
  • Page 35 11.2. CONNECTOR PIN ASSIGNMENT Pin no. signal Function Enable +3V Power Supply — 0V Power Supply — Data Bus Line Data Bus Line Data Bus Line Data Bus Line Read / Write Enable Signal Data / Command Control Chip Signal Reset Signal Input 12.
  • Page 36 - Flux HI115 Specific gravity 0.863 (Original flux will be replaced daily.) 12.2. Procedure 1. Temporary fix FLAT PACKAGE IC by soldering on two marked 2 pins. *Most important matter is accurate setting of IC to the corresponding soldering foil. 2.
  • Page 37 13. TERMINAL GUIDE OF ICS, TRANSISTORS AND DIODES 14. CABINET AND ELECTRICAL PARTS...
  • Page 38 15. ACCESSORIES AND PACKING MATERIALS...
  • Page 39 16. REPLACEMENT PARTS LIST 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 available for a specific period of time. The retention period of availability depends on the type of assembly and the laws govering parts and product retention.
  • Page 40 Unless otherwise specified; All resistors are in ohms ( ) K=1000 , M=1000k All capacitors are in MICRO FARADS ( F)P= *Type & Wattage of Resistor 16.1. KX-TSC35JXW 16.1.1. CABINET AND ELECTRICAL PARTS Ref. No. Part No. Part Name & Description...
  • Page 41 16.1.2. MAIN P. C. BOARD PARTS Ref. No. Part No. Part Name & Description Remarks PCB1 PQWP1TSC35MX MAIN P.C. BOARD ASS'Y (RTL) (ICS) PQVIBA8206F IC201 PQVINJM2904F IC302 PQVIPS3435UT IC303 PQVIPS3325UT IC304 C0CBABE00023 IC501 PQVINJU7014R IC601 PQVISC77655S IC801 C2ABFG000002 IC802 PQWITSC35MXH IC IC901 PQVIUM66T11L (TRANSISTORS)
  • Page 42 Ref. No. Part No. Part Name & Description Remarks D105 1SS119 DIODE(SI) D106 MA4062 DIODE(SI) D108 MA4180 DIODE(SI) D109 MA111 DIODE(SI) D202 MA111 DIODE(SI) D203 1SS119 DIODE(SI) D301 1SS119 DIODE(SI) D304 MA700A DIODE(SI) D308 MA700A DIODE(SI) D309 1SS119 DIODE(SI) D310 MA700A DIODE(SI) D401...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ183 ERJ3GEYJ334 330K ERJ3GEYJ823 ERJ3GEYJ103 ERJ3GEYJ473 ERJ3GEYJ103 R101 ERDS2TJ683 R102 ERDS2TJ104 100K R103 ERJ3GEYJ104 100K R104 ERJ3GEYJ473 R105 ERJ3GEYJ684 680K R106 ERJ3GEY0R00 R107 ERJ3GEYJ474 470K R108 ERDS2TJ472 4.7K R116 ERJ3GEYJ473 R117 ERJ3GEYJ682 6.8K R118...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks R405 ERJ3GEYJ273 R406 ERJ3GEYJ185 1.8M R407 ERJ3GEYJ222 2.2K R408 ERJ3GEYJ391 R409 ERJ3GEYJ223 R410 ERJ3GEYJ474 470K R411 ERJ3GEYJ681 R412 ERJ3GEY0R00 R413 ERJ3GEYJ101 R421 ERJ3GEYJ222 2.2K R422 ERJ3GEY0R00 R423 ERJ3GEYJ223 R424 ERJ3GEYJ334 330K R425 ERJ3GEYJ335 3.3M...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks R603 ERJ3GEYJ332 3.3K R604 ERJ3GEYJ472 4.7K R605 ERJ3GEYJ225 2.2M R606 ERJ3GEYJ303 R607 ERJ3GEYJ683 R608 ERJ3GEYJ682 6.8K R609 ERJ3GEYJ275 2.7M R610 ERJ3GEYJ104 100K R611 ERJ3GEYJ183 R612 ERJ3GEYJ222 2.2K R613 ERJ3GEYJ104 100K R614 ERJ3GEYJ473 R615 ERJ3GEYJ103...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks PQ4R10XJ000 J101 PQ4R10XJ000 J102 PQ4R10XJ000 J103 PQ4R18XJ000 J104 PQ4R10XJ000 J106 PQ4R10XJ000 J803 ERJ3GEY0R00 (CAPACITORS) ECQE2E105KZ ECEA1HKA4R7 ECEA1HKSR22 0.22 ECUV1H822KBV 0.0082 ECEA1HKA010 ECUV1C104KBV ECUV1H103KBV 0.01 C101 ECKD2H681KB 680P C102 ECKD2H681KB 680P C103 ECUV1H103KBV 0.01 C105...
  • Page 47 Ref. No. Part No. Part Name & Description Remarks C438 ECUV1H103KBV 0.01 C481 ECUV1H103KBV 0.01 C501 ECKT2H152KB 0.0015 C502 ECKT2H152KB 0.0015 C503 ECUV1H471JCV 470P C504 ECUV1H471JCV 470P C505 ECUV1H680JCV C506 ECUV1H222KBV 0.0022 C507 ECUV1C104ZFV C508 ECUV1C104ZFV C509 ECUV1C104KBV C551 ECUV1H103KBV 0.01 C552 ECUV1H103KBV...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks C824 ECUV1C104ZFV C901 ECEA1CKA100 C902 ECUV1H472KBV 0.0047 C903 ECUV1H103KBV 0.01 C921 ECUV1H332KBV 0.0033 C922 ECUV1H182KBV 0.0018 C923 ECUV1H332KBV 0.0033 16.1.3. OPERATION P. C. BOARD PARTS Ref. No. Part No. Part Name & Description Remarks PCB2 PQWP2TSC35MX OPERATION P.C.
  • Page 49 7. This schematic diagram may be modified at any time with the development of new technology. 8. The shades area on this schematic diagram incorporates special features important for protection from fire and electrical shock hazards. 9. When servicing, it is essential that only manufacture's specified parts be used for the critical components in the shaded areas of the schematic.
  • Page 50 (39) D552 D551 390K 220K K0.1 (40) (41) D554 D553 Headset Set & Headset Set Incoming Signal (42) (43) Headset Set & Headset Set Outgoing Signal P.C.B Speaker Phone Incoming Signal Speaker Phone Outgoing Signal KX-TSC35JXW : SCHEMATIC DIAGRAM (MAIN)
  • Page 51 C805 R201 R507 R511 R804 R513 R514 C804 R803 R512 IC801 C509 C801 CN801 R443 Q501 R802 D304 D308 C803 R801 C802 R517 Q425 J803 C826 D203 R817 R209 BATTP R824 D310 C202 KX-TSC35JXW : MAIN BOARD : COMPONENT VIEW...
  • Page 52 C827 C204 R203 RESET D905 C822 D901 IC802 C821 D906 IC201 D902 C820 C819 R826 R208 D903 R202 R207 C824 C816 C205 R825 D907 C815 R827 D202 C817 C818 R828 D904 D908 Q201 KX-TSC35JXW : MAIN BOARD : BOTTOM VIEW...
  • Page 53 STB3 STB4 STB4 STB4 STB5 STB5 STB5 STB6 STB6 STB6 STB7 STB7 STB7 STB8 STB8 STB8 STB9 STB9 STB9 STB10 STB10 STB10 LED801 SP_LED SO_LED ANS_LED SP_LED NEW_NSG_LED LED803 BELL_LED BELL_LED LED802 MICM BELL_LED MICP KX-TSC35JXW : SCHEMATIC DIAGRAM (OPERATION)
  • Page 54 CN801 PQUP11143ZA KX-TSC35JXW : OPERATION BOARD : COMPONENT VIEW...
  • Page 55 STOP STB8 NAVI_DOWN LED803 ANS_LED BELL_LED STB6 STB7 LED802 DIAL_LOCK PAUSE KIN1 STB10 REDIAL STB4 KIN4 MICM SP_LED KIN2 STB9 MICP FLASH STB3 STB1 STB2 KIN3 HOLD STB5 SP_PHONE VOL_DOWN VOL_UP MUTE LED801 KX-TSC35JXW : OPERATION BOARD : BOTTOM VIEW...
  • Page 56 Ringer Q405, Q406 Q108 Q101, Q103 D101 LINE Handset Transmit Dial Speaker Receiving IC201 IC801 Q421, Q424 Handset Tone Detection EEPROM Sending Data IC802 C-ID Speaker SP-PHONE IC601 Board Switch KX-TSC35JXW : BLOCK DIAGRAM...
  • Page 57 C625 10V100 C603 K0.033 IC601 D651 R611 R606 30K 28 RAX C626 C654 R607 68K 27 RXI IC651 R612 C609 K0.1 26 RXO C615 2.2K 25 ACF R654 R605 2.2M R619 R602 C606 6.3V22 24 VLC D652 5 IF R613 100K TP612 C610 50V1 2.7K...
  • Page 58 (39) D552 D551 390K 220K K0.1 (40) (41) D554 D553 Headset Set & Headset Set Incoming Signal (42) (43) Headset Set & Headset Set Outgoing Signal P.C.B Speaker Phone Incoming Signal Speaker Phone Outgoing Signal KX-TSC35JXW : SCHEMATIC DIAGRAM (MAIN)