Sony STR-DH720 Service Manual page 19

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• : internal component.
f
• : Pattern from the side which enables seeing.
Caution:
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen
(SIDE B) from the pattern face are indicated.
• Abbreviation
CND : Canadian model
ECE : Continental European, East European
and Russian models
STR-DH720/DH720HP
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 ¼ W or less unless otherwise
specifi ed.
• : internal component.
f
• 2 : nonfl ammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note: Note:
The components identi- Les composants identifi és
fi ed by mark 0 or dotted par une marque 0 sont
line with mark 0 are critiques pour la sécurité.
critical for safety. Ne les remplacer que
Replace only with part par une piéce portant le
number specifi ed. numéro spécifi é.
• 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 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.
: TUNER (FM/AM)
F
f : TUNER
L : VIDEO (AUDIO)
: VIDEO
E
: DVD (DIGITAL)
J
c : CD (ANALOG)
• Abbreviation
CND : Canadian model
ECE : Continental European, East European
and Russian models
• Circuit Boards Location
TEMP-SENSOR board
POWER KEY board
HEADPHONE board
19 19
STR-DH720/DH720HP
STANDBY-A VIDEO PC board
DCDC board
TUNER (FM/AM)
D-VIDEO board
DIGITAL board
MAIN board
USB board
DISPLAY board