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