KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW Note: Because section 3 of this manual is an extract from the operating instructions for this model, it is subject to change without notice. You can download and refer to the original operating instructions on TSN Server for further information.
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 1 ABOUT LEAD FREE SOLDER (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 contains lead.
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 1.2. How to Recognize that Pb Free Solder is Used (Example: Main P.C.B.) 2 3 4 5 6 7 8 9 10 11 12 Marked (Component View) Note: The location of the “PbF” mark is subject to change without notice.
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 2 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity. When repairing, the following precautions will help prevent recurring malfunctions. 1. Cover the plastic parts boxes with aluminum foil.
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 5 TROUBLESHOOTING GUIDE 5.1. Service Hints SYMPTOM CURE No Tone Dialing Check IC1, Q2, Q1, C22 and VR1. Dead Check IC1, Q2, Q1 and D17. Rings, no dial tone, no pulse or tone dial Check Q1, Q2, D17, Q3 and IC1.
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 7 CIRCUIT OPERATIONS 7.1. Telephone Line Interface and Pulse Dial Circuit When the hook switch SW1 is ON (off-hook), the circuit is closed, and current is supplied to the base of Q2 via the diode bridge D17 and Q2 is On →...
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 7.3. Power Circuit and Redial Back-up Circuit Function: This set is powered from the line. When it is an OFF-HOOK status, Tel Line → D17 → Q1 → R9 → Pin 27 of IC1 (to become the power supply for IC1 speech network).
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 9 CPU DATA (IC1) C5 C4 C6 C2 C3 Clock frequency: 3.58MHz Operating range: 13~100mA Symbol Function Description Line Current Sense Input This is the input for sending the line current.
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 13 REPLACEMENT PARTS LIST 1. RTL (Retention Time Limited) Ref. Part No. Part Name & Description Remarks Note: PQKM10610Z4 CABINET BODY (for KX- PS-HB TS2350CAC) The marking (RTL) indicates that the Retention Time is...
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW Ref. Part No. Part Name & Description Remarks 13.2. Accessories and Packing ERJ3GEYJ335 3.3M Materials ERDS1TJ222 2.2K ERJ3GEYJ185 1.8M Note: ERJ3GEYJ182 1.8K (*1) You can download and refer to the Operating ERJ3GEYJ472 4.7K...
KX-TS2350CAB / KX-TS2350CAC / KX-TS2350CAH / KX-TS2350CAR / KX-TS2350CAW 14 FOR SCHEMATIC DIAGRAM (SCHEMATIC DIAGRAM) 1. DC voltage measurements are taken with electronic voltmeter from negative terminal. 2. This schematic diagram may be modified at any time with the development of new technology.