8. DISASSEMBLY INSTRUCTIONS
Shown in Fig —.
To remove —.
Remove —.
1
Lower Cabinet
Screws (2.6 × 12) . . . . . . . . . . . . . (A) × 5
2
P.C. Boards
Remove the P.C.Boards
9. TROUBLE SHOOTING GUIDE
9.1. Service Hints
SYMPTOM
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
Check IC1, R24, C15 and C22.
Buttons stick under upper cabinet assembly.
From key board
Adijust the setting of buttons.
No pulse dial
Check Q1, Q2 and IC1.
9.2. Pulse Dialing Problems
6
Содержание KX-TS500MXB
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 13: ...13 CPU DATA 13...
Страница 16: ...16...
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...