Read Sony LBT-ZTX7 / MHC-GTX777 / MHC-GTX888 / SS-GTX777 / SS-GTX888 / SS-RSX777 / SS-RSX888 / SS-WG888A / SS-WG888B / SS-ZTX7 Service Manual online
4
SS-GTX777/GTX787/GTX888/RSX777/RSX888/WG888A/WG888B/ZTX7
1-2. SCHEMATIC DIAGRAM (SS-WG888A)
Note on Schematic Diagram:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and tan-
talums.
talums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise speci-
fi
ed.
• C : panel designation.
• A : B+ Line.
• Voltages are dc with respect to ground in service mode.
no mark : POWER ON
• Voltages are taken with a VOM (Input impedance 10 M
• Voltages are dc with respect to ground in service mode.
no mark : POWER ON
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
SLR-325MCT31
D1400
1k
R1403
S1400
2SC3052EF-T1-LEF
Q1400
S1401 50k
4.7k
R1402
1/10W
220
R1405
MAZ8033G0LS0
D1401
1
2
3
4
WHT
4P
CN1400
+4V
DGND
SW VOL
SW-LED
1/10W
150
R1406
SW PANEL BOARD
POWER ON LED
HCD-GTX888
SUBWOOFER
ON/OFF
SUBWOOFER
ON/OFF
SUBWOOFER
LEVEL
1
2
3
4
5
6
7
A
B
C
D
E
0.8
0.1
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