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HOW TO READ CIRCUIT DIAGRAMS TSB Revision CIRCUIT DIAGRAMS 90-9 SYMBOLS (EXCEPT CONNECTOR AND GROUNDING) Devices appearing in circuit diagrams are indicated by the following symbols. WIRE COLOR CODES Wire colors are identified by the following color codes. If a cable has two colors, the first of the two color code charac- NOTE:
*: No code indicates 0.5 mm 2 (0.0008 in 2 ). Cable color code in parentheses indicates 0.3 mm 2 (0.0005 in 2 ). ACX02377AB Battery ACX02378 AB Buzzer ACX02379AB Capacitor ACX02380 AB Electrolytic capacitor ACX02381 AB Variable capacitor ACX02382 AB Coil ACX02383 AB Diode ACX02384 Light emitting AB ACX02385 Photo diode AB ACX02386 AB Zener diode ACX02387AC Dual filament bulb ACX02388AC Single filament bulb ACX02389AB Fuse ACX02390AB Fusible link ACX02391AB Horn ACX02392 AB Motor ACX02393 AB Pulse generator ACX02394 AB Piezoelectric ACX02395AB Resistor ACX02396AB Variable resistor ACX02397AB Speaker ACX02398 AB Thermistor ACX02399AB Transistor ACX02400AB Photo transistor Code Wire color Code Wire color Code Wire color Code Wire color B Black L Blue PU Purple V Violet BR Brown LG Light green R Red W White G Green O Orange SB Sky blue Y Yellow GR Gray P Pink SI Silver − − No. Meaning 1 <F>: Flexible wire <T>: Twisted wire 2 Wire size (mm 2 )* 3 Basic color (color of the cable coating) 4 Marking color ACX01279 AB <F> 1.25 G B 1 2 3 4 Example: |