Pioneer FH-2427ZF X1H/UC, Руководство по обслуживанию

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C
F
KEYBOARD UNIT
C
F
CN953
KEY MATRIX CIRCUIT
BUTTON ILLUMINATION
SWITCH CIRCUIT
A
F
F CN1051
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
4
1
2 3 4
1 2 3 4
F
E
D
C
B
A
FH-2427ZF/X1H/UC
SCHEMATIC DIAGRAM
KEYBOARD UNIT