Sony XR-H572A, Service Manual

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THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
• For printed wiring boards.
•
X
: parts extracted from the component side.
•
® : Through hole.
•
¢
: internal component.
• b : Pattern from the side which enables seeing.
: Chip transistor of abbreviation (E, C, B)
• (( )) : Page of service manual.
BCE
– 2 –
SECTION 1
DIAGRAMS
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• For schematic diagrams.
• 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
Ω
and
1
/
4
W or less unless otherwise
specified.
• % : indicates tolerance.
•
¢
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
• H : adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
) : AM
< > : PB
∗
: Impossible to measure.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: FM
f
: AM
E : PB
• (( )) : Page of service manual.
<< >> : Page of supplement-1.
SUPPLEMENT-1
File this supplement with the service manual.
SERVICE MANUAL
Subject : Change of Main Board
When performing service and inspection, check the part number
of the main board.
(ECN-CSB00374)
XR-H572A/H572W/H572WT/
H573A/H573W
– MAIN BOARD (SIDE A) –
Main board Part No.
Former :1-671-224-11
New
:1-674-279-11