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TA-FE370/FE570 SECTION 4 DIAGRAMS
4-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram: � 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 � and 1/4 W or less unless otherwise specified. � f : internal component. � 2 : nonflammable resistor. � C : panel designation.
These are omitted.
� Circuit Boards Location
STANDBY board
Note on Printed Wiring Board: � X : parts extracted from the component side. � : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) � Indication of transistor
Q B C E
AC OUTLET board
POWER SW board
Q B C E These are omitted.
Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. � A : B+ Line. � B : B� Line. � Voltages and waveforms are dc with respect to ground under no-signal conditions. no mark : TUNER � Voltages are taken with a VOM (Input impedance 10 M�). Voltage variations may be noted due to normal production tolerances. � Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. � Circled numbers refer to waveforms. � Signal path. F : TUNER E : TAPE1/DAT IN a : RECOUT d : TAPE2/MD IN J : CD I : PHONO
MAIN board
HEADPHONE board
SPEAKER SW board
VOLUME board CONTROL board LOUDNESS board
� Waveform � CONTROL Board �
1 IC801 1 (XOUT)
3 Vp-p
250 ns
7
7
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