CFS_B5LMK2.pdf

CFS-B5LMK2

5-4. SCHEMATIC DIAGRAM — TUNER SECTION — • Refer to page 13 for IC Block Diagram.

(Page 20)

Note:

• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

• All resistors are in W and 1 / 4 W or less unless otherwise

specified.

• ¢ : internal component.

• C : panel designation.

• U : B+ Line.

• H : adjustment for repair.

• Power voltage is dc 9 V and fed with regulated dc power

supply from battery terminal.

Voltage variations may be noted due to normal produc-

tion tolerances.

• Signal path.

F : FM/SW

f : MW/LW

– 15 –

– 16 –

• Voltage is dc with respect to ground under no-signal

(detuned) condition.

no mark : FM

( ) : MW/LW, SW

• Voltages are taken with a VOM (Input impedance 10 M

CFS-B5LMK2

5-6. SCHEMATIC DIAGRAM — MAIN SECTION —

(Page 16)

• Waveform (MODE:REC)

Note:

• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

• C : panel designation.

• U : B+ Line.

• Total current is measured with no cassette installed.

• Power voltage is dc 9 V and fed with regulated dc power

supply from battery terminal.

• Voltage and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark : FM

< > : PB

<< >> : REC

• Voltages are taken with a VOM (Input impedance 10 M W ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-

tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

F : FM

E : PB

a : REC

35Vp-p

15mS

Note: The components identified by mark ! or dotted line

with mark ! are critical for safety.

Replace only with part number specified.

T301

– 19 –

– 20 –

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