Motherboard what the letters represent

Motherboard what the letters represent

1. L—- inductance. Inductance coil
2. C—- capacitors.
3. BC– Chip Capacitors
4. R—- Resistors
5.9231-chip pulse-width —–

6.74 —– it is the circuit board next to the South Bridge
7.PQ—- FET
8.VT, Q, V —- 3 tubes
9.VD, D — 2 tubes
10.RN—- exclusion
11. ZD —- regulator diode
12.W—– potentiometer
13.IC– Regulators Block
14.IC, N, U —- IC
15.X, Y, G, Z —- Crystal
16.S—– Switch
17.CM—- frequency generator (usually next to the crystal 14.31818)