SONY TA-AV571
Service Manual

SECTION 3 DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) NOTE
� � : parts extracted from the component side. : Pattern from the side which enable seeing.
8MHz

3-2. WAVEFORMS MAIN SECTION 1
5.2Vp-p

NOTE
T-1 board POWER board
� All capacitors are in µF unless otherwise noted. pF : µµF 50WV or less are not indicated except for electrolytics and tantalums. � All resistors are in � and 1/4W or less unless otherwise specified. � ¢ : internal component. � : nonflammable resistor. � : panel designation. Note: The components identi-fied by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. � B+ : B+ Line � B� : B� Line � Voltage and waveforms are dc with respect to ground under nosignal conditions. no mark : STOP � Voltages are taken with a VOM (Input impedance 10M�). 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. : FM

IC202 @¢

T-2 board

PANEL SECTION 2

REAR SP board

4.2Vp-p

5MHz

IC401 #¢ X1

H.P board

MAIN board DISPLAY board

VR board

�5�

�5� 6