Motorola MCS 2000 Service Instructions Manual page 69

Signal Name Node No. Schematic Diagram
Title
SYN_SEL IF1-3-10 Receiver IF
SYN_SEL IF4-3-4 Receiver IF
2.1MHZ IF1-3-8 Receiver IF
2.1MHZ IF3-3-5 Receiver IF
2.1MHZ IF4-2-7 Receiver IF
SQUELCH IF1-2-17 Receiver IF
SQUELCH IF3-2-16 Receiver IF
ZIF_SEL IF1-2-18 Receiver IF
ZIF_SEL IF3-2-1 Receiver IF
DISC IF1-3-2 Receiver IF
Table 2: Schematic Diagrams Interconnection List
From
Publication
No.
68P81080C44-B
68P81080C44-B
68P81080C44-B
68P81080C44-B
68P81080C44-B
68P81080C44-B
68P81080C44-B
68P81080C44-B
68P81080C44-B
68P81080C44-B
Signal Name Node No. Schematic Diagram Title
AUDIO_MOD Controller, ASFIC/Audio Block
Diagram/Main Controller
SYN_SEL Controller/Main Controller
SYN_SEL Controller/Main Controller
SYNT_SEL Synthesizer
See List of Common Voltages and
Signals at End of This Table
See List of Common Voltages and
Signals at End of This Table
See List of Common Voltages and
Signals at End of This Table
SQUELCH_IN Controller, ASFIC/Audio Block
Diagram/Main Controller
SQUELCH Receiver Back End
SQUELCH_IN Controller, ASFIC/Audio Block
Diagram/Main Controller
SQUELCH Receiver Back End
ZIF_SEL Controller/Main Controller
ZIF_SEL Controller/Main Controller
ZIF_SEL Receiver Back End
DISC Controller, Hear Clear/Audio Block
Diagram/Main Controller
DISC Receiver Back End
To
Publication
No.
68P81083C20-B
68P81083C20-B
68P81083C20-B
68P81080C44-B
68P81083C20-B
68P81080C44-B
68P81083C20-B
68P81080C44-B
68P81083C20-B
68P81083C20-B
68P81080C44-B
68P81083C20-B
68P81080C44-B