Diagrams - Sony STR-KSL7 Service Manual

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. p : pF. 50
WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ω and
1 / W or less unless otherwise
4
specified.
• % : indicates tolerance.
• : internal component.
f
• C : panel designation.
Note: Note:
The components identified by Les composants identifiés par
mark 0 or dotted line with mark une marque 0 sont critiques
0 are critical for safety.
pour la sécurité.
Replace only with part number Ne les remplacer que par une
specified. pièce portant le numéro spécifié.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
F
: ANALOG
J : DIGITAL
c : DVD
• Abbreviation
CND : Canadian model
MY : Malaysia model
SP : Singapore model
CH : Chinese model
MX : Mexican model
SECTION 3

DIAGRAMS

For printed wiring boards.
Note:
• X : parts extracted from the component side.
• : Through hole.
a
• f : internal component.
• : Pattern from the side which enables seeing.
C
Q These are omitted.
B E
B C E
These are omitted.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side A) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side B) the parts face are indicated.
• MAIN board consists of multiple layers.
However, only the sides (layers) A and B are shown.
• CIRCUIT BOARDS LOCATION
POWER SW board
HEADPHONE board
• WAVEFORMS
– DIGITAL BOARD –
1
IC506 5
6Vp-p
81ns
20ns/div 2V/div
2
IC701 9
6.3Vp-p
81ns
20ns/div 2V/div
3
IC101 id
5.8Vp-p
62ns
20ns/div 2V/div
7 7
STR-KSL7/SL7/TA-KSL7
MAIN board
S VIDEO board
DIGITAL board
DISPLAY board
– MAIN BOARD – – DISPLAY BOARD –
4
6
IC306 4
Q153 collector
7.8Vp-p
20.3ns
10ns/div 2V/div
5
IC309 wf
5Vp-p
1.3 µ s
400ns/div 2V/div
25.4Vp-p
9.8 µ s
4 µ s/div 10V/div