Read Sony HT-SF470 / HT-SS370 / STR-KS370 / STR-KS470 Service Manual online
STR-KS370/KS470
STR-KS370/KS470
16
16
Ver. 1.2
For Schematic Diagrams.
Note:
• 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.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : internal component.
• 2 : nonfl ammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• 2 : nonfl ammable resistor.
• 5 : fusible resistor.
• C : panel designation.
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.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
J
: AUDIO (DIGITAL)
F
: AUDIO (ANALOG)
f
: TUNER
E
: HDMI
N
: MIC
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
• Circuit Boards Location
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
DISPLAY board
KEY FUNCTION board
LED board
KEY SELECTOR board
IR board
S-AIR board
IO board
HDMI PC board
FFC SUPPORT board
TUNER (FM/AM)
MAIN board
SMPS board
• Abbreviation
CND : Canadian model
AR
CND : Canadian model
AR
: Argentina model
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
• Abbreviation
CND : Canadian model
AR
CND : Canadian model
AR
: Argentina model
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
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