SmarTrunk Systems ST-9116C, Service Manual, Page: 3 / 67

ST-9116C SM R 1.1 SMARTRUNK SYSTEMS, INC. 3
5.6.2.1. HIGH POWER LEVEL ALIGNMENT........................................................................................ 18
5.6.2.2. MID POWER LEVEL ALIGNMENT ......................................................................................... 19
5.6.2.3. LOW POWER LEVEL ALIGNMENT ........................................................................................ 19
5.6.3. ANALOG MAXIMUM DEVIATION FOR NARROW BAND ...................................................... 19
5.6.4. ANALOG MAXIMUM DEVIATION FOR WIDE BAND ............................................................. 20
5.6.5. FDMA DATA MODULATION ALIGNMENT: ........................................................................... 20
5.6.6. TDMA DATA MODULATION ALIGNMENT: .......................................................................... 21
5.6.7. SMARTRUNK II DEV ALIGNMENT (NARROWBAND): ........................................................... 21
5.6.8. SMARTRUNK II DEV ALIGNMENT (WIDE BAND): ................................................................ 22
5.6.9. EIA TONES LEVEL ALIGNMENT (NARROWBAND): ............................................................... 22
5.6.10. EIA TONES LEVEL ALIGNMENT (WIDE BAND): .................................................................... 23
5.6.11. DTMF SIGNALING LEVEL ALIGNMENT FOR NARROW BAND CHANNELS: ........................... 23
5.6.12. DTMF SIGNALING LEVEL ALIGNMENT FOR WIDE BAND CHANNELS: ................................. 24
5.6.13. DCS SIGNALING ALIGNMENT FOR NARROW BAND CHANNELS: ......................................... 25
5.6.14. DCS SIGNALING ALIGNMENT FOR WIDE BAND CHANNELS: ............................................... 25
5.6.15. CTCSS SIGNALING ALIGNMENT FOR NARROW BAND CHANNELS ...................................... 26
5.6.16. CTCSS SIGNALING ALIGNMENT FOR WIDE BAND CHANNELS ............................................. 26
5.6.17. FSK SIGNALING ALIGNMENT FOR NARROW BAND CHANNELS: ......................................... 27
5.6.18. FSK SIGNALING ALIGNMENT FOR WIDE BAND CHANNELS: ................................................ 27
5.6.19. RX CLOCK ALIGNMENT: ....................................................................................................... 28
5.7. RECEIVER ALIGNMENT ........................................................................................................ 30
5.7.1. ANALOG DISCRIMINATOR GAIN .......................................................................................... 30
5.7.2. FDMA DISCRIMINATOR GAIN .............................................................................................. 30
5.7.3. TDMA DISCRIMINATOR GAIN .............................................................................................. 31
5.7.4. ANALOG ROAMING GAIN .................................................................................................... 32
5.7.5. VOCODER OUT GAIN ........................................................................................................... 32
5.7.6. VOCODER IN GAIN............................................................................................................... 33
6. COMPLIMENTARY USER ALIGNMENT ................................................................................. 34
6.1. TEMPERATURE CONTROL: .................................................................................................. 34
6.2. FAN CONTROL: .................................................................................................................... 34
7. ST-9116C MAIN BOARD SCHEMATIC .................................................................................. 37