Read Sony HT-DDW1500 / SA-WP1500 Service Manual online
3
SA-WP1500
SECTION 1
DIAGRAMS
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• a
• X : parts extracted from the component side.
• a
: Through hole.
•
:
Pattern from the side which enables seeing.
• Indication of transistor.
Note on Schematic Diagrams:
• 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
tantalums.
tantalums.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• All resistors are in Ω and
• 5 : fusible resistor.
• All resistors are in Ω and
1
/
4
W or less unless otherwise
specified.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• Voltages and dc with respect to ground under no-signal
• B : B– Line.
• Voltages and dc with respect to ground under no-signal
conditions.
no mark : Power on
no mark : Power on
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Signal path.
F
: AUDIO
• Abbreviation
AR
: Argentina model
AUS
: Australian model
E51
: Chilean and Peruvian models
MX
: Mexican model
SP
: Singapore model
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• Circuit Boards Location
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
B
These are omitted.
C
E
Q
Note: The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
INPUT CONTROL board
SWITCH board
LED board
MAIN board
POWER TRANS board
Ver. 1.1
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