Multitone RPR 551IS, Technical Manual

Page: 72 / 127

RPR 550IS Series
TM1188 Issue 1 Page 5 - 2
FIGURES Page
1. Clip Removal 5-5
2. Case Removal 5-7
3. Exploded View 5-8
4. Fault-Finding Guide 5-10
4. Fault-Finding Guide (Continued) 5-11
4. Fault-Finding Guide (Continued) 5-12
4. Fault-Finding Guide (Continued) 5-13
4. Fault-Finding Guide (Continued) 5-14
4. Fault-Finding Guide (Continued) 5-15
5. Decoder Voltages and Waveforms 5-20
6. Display Connections Between LCD and Main Board 5-21
7. IC2, Gate Array Pin Configuration 5-22
8. IC3, Microprocessor Pin Configuration 5-24
9. IC4, EEPROM Pin Configuration 5-26
10. Semiconductor Lead Details 5-26
11. IC1 Pin Configuration 5-27
12. Diode Lead Details 5-27
13. IC7 Pin Configuration 5-28
14. Alignment Procedure Test Equipment Layout 5-28
15. Tuning Points 5-30
16. Dummy Case Front (RPR 550 Series) 5-30
17. Coarse Sensitivity Indication 5-31
18. Polystyrene Foam Block Dimensions (in mm) 5-33
19. Signal Path 5-34
20. 1V and Battery Supply - Radio Circuit 5-35
21. V
DD
, Battery and On/Off Circuit 5-36
22. Display 5V Circuit 5-37
23. Automatic Gain Control Circuit 5-38
ANNEXES
A PROGRAMMING USING P648
B P637F ADAPTOR PLATE RPR 550 SERIES