Sony STR-KM7 - Page 19

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  and
1
/4 W or less unless otherwise
specifi ed.
•
f
: internal component.
• 2 : nonfl ammable resistor.
• 5 : fl usible 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.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with a 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
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
f
: TUNER
E
: VIDEO
J
: DVD (DIGITAL)
• Abbreviation
E12
: 220-240V AC area in E model
E51 : Chilean and Peruvian model
AR : Argentina model
AUS : Australian model
EA : Saudi Arabia model
SAF : South African model
SP : Singapore model
TH : Thai model
For Printed Wiring Boards.
Note:
• 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
CEB
These are omitted.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
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.
Caution:
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.
• Abbreviation
E12 : 220-240V AC area in E model
E51 : Chilean and Peruvian model
AR : Argentina model
AUS : Australian model
EA : Saudi Arabia model
SAF : South African model
SP : Singapore model
TH : Thai model
• Circuit Boards Location
• Abbreviation
AR : Argentina model
SAF : South African model
SUB RECTIFIER board
POWER KEY board
LED BAR board
USB board
(except SAF, AR)
DISPLAY board
POWER AVIDEO board
SURR BACK AMP board
(KM7)
DCDC board
TUNER1 board
HDMI RE PC board
DIGITAL AUDIO boar
d
MAIN board
THERMAL board
Ver. 1.5
STR-KM5/KM7
STR-KM5/KM7
1919