Sony XR-H572W, XR-H572WT, XR-H573A, XR-H573W Service Manual

XR-H572A/H572W/H572WT/
H573A/H573W
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.)
SECTION 1
DIAGRAMS
SERVICE MANUAL
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Change of Main Board
When performing service and inspection, check the part number of the main board.
– MAIN BOARD (SIDE A) –
(ECN-CSB00374)
• For printed wiring boards.
X : parts extracted from the component side.
®
b : Pattern from the side which enables seeing.
• (( )) : Page of service manual. 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.
¢
: internal component.
: Chip transistor of abbreviation (E, C, B)
BCE
• 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 and 1/ specified.
% : indicates tolerance.
¢
C : panel designation.
U : B+ Line.
H : adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
• Voltage is dc with respect to ground under no-signal
• Voltages are taken with a V OM (Input impedance 10 M).
• Signal path.
• (( )) : Page of service manual.
: internal component.
supply from ACC and BATT cords. (detuned) condition.
no mark : FM (): AM < > : PB
Voltage variations may be noted due to normal produc­tion tolerances.
F : FM f : AM E : PB
<< >> : Page of supplement-1.
: Impossible to measure.
4
W or less unless otherwise
Main board Part No. Former :1-671-224-11 New :1-674-279-11
– 2 –
XR-H572A/H572W/H572WT/H573A/H573W
• Semiconductor Location (Side A)
Ref. No. Location D1 F-2
D2 F-2 D20 G-7 D301 F-7 D303 E-6 D802 C-6 D804 D-6 D806 D-14 D807 C-7 D811 L-3 D901 C-8 D904 H-4 D905 C-8 D906 D-6
IC1 F-2 IC302 E-10 IC601 K-7 IC800 E-13 IC802 I-10 IC900 D-12
1-1. PRINTED WIRING BOARD — MAIN SECTION —
Q4 F-2 Q20 G-4 Q21 G-5 Q300 G-7 Q501 J-4 Q800 L-2 Q802 D-13 Q803 L-4 Q806 L-4 Q807 E-13 Q900 F-5 Q901 D-12 Q902 F-6 Q903 I-4 Q904 C-7 Q905 C-13 Q906 H-5
– 3 – – 4 –
• Semiconductor Location (Side B)
Ref. No. Location D300 D-4
D302 H-9 D500 I-4 D501 J-3 D800 C-13 D801 C-13 D803 D-13 D808 J-13 D809 J-13 D810 J-13 D812 J-12 D813 K-11 D814 D-14 D900 C-12 D902 D-13 D907 D-12
IC304 A-10 IC401 I-11 IC502 J-4
XR-H572A/H572W/H572WT/H573A/H573W
113
YEL
GRY
GRY
GRY
GRY
GRY
GRY
GRY
GRY
GRY
ORG
Q1 G-2 Q2 G-2 Q303 G-7 Q500 K-4 Q502 I-4 Q503 I-4 Q801 B-12 Q804 L-4
RED
S901
TAPE OPERATION
ROTARY SLIDE
SWITCH
REEL BOARD
12
M901
CAPSTAN/REEL
MOTOR
RED
BLK
((Page 28))
– 5 – – 6 –
((Page 27))
1–670–227–
11
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