NGT Transceiver System Technical Service Manual 31
Ordering information
The parts lists for the PCB assemblies contain:
• a circuit reference number
• descriptions, giving the value and type of component
• a manufacturer and manufacturer’s part number
Ordering information
Orders for replacement parts/modules must include the following information. This
ensures that the correct items are supplied, and speeds up delivery times.
• equipment type (e.g. Type 2020 Handset)
• part/module location (e.g. SR Handset assembly, 08-05629-001)
• full part/module description (e.g. Handset power/Emergency key PCB)
NOTE
Items having numeric references identifying specific components or
subassemblies may be encountered in the parts lists included in this
manual. These items, selected from master manufacturing information,
identify parts that are either useful for maintenance purposes or related to
other items, and may be cross-referenced in the remarks column.
Table 2: Resistor and capacitor abbreviations
Resistors Capacitors
CC: carbon composition AS: solid aluminium electrolytic
CF: carbon film CC: ceramic multilayer chip
MF: metal film CE: ceramic
MG: metal glaze EL: wet aluminium electrolytic
MO: metal oxide M: stacked mica
WW: wire wound PC: polycarbonate
PE: polyester
PP: polypropylene
PS: polystyrene
PT: PTFE
TA: solid tantalum
To Next Page
Loading...
Need help?
General
