Read Sony HCD-EC709IP / HCD-EC909IP (serv.man2) Service Manual online
HCD-EC709iP/EC909iP
2
For Schematic Diagrams.
Note:
• All capacitors are in
• 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.
•
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 are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F :
TUNER
(FM/AM)
J
: CD PLAY
i : iPod & iPhone
f
: PC IN
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : Parts extracted from the conductor side.
•
W : Indicates side identifi ed with part number.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
Note:
The components identi-
fi ed by mark
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.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque
Les composants identifi és
par une marque
0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
2. DIAGRAMS
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.
• IC Block Diagrams
– MAIN Board –
IC606 STK433-070GN-E
STANDBY
CIRCUIT
IC1
IC2
–PRE
1
–VCC
2
HI-LO+
4
+VCC
3
HI-LO–
5
HI-RO+
HI-RO–
6 7
+PRE
8
9
GND
10
SUB
HI-LIN–
12
ST
-BY
13
HI-LIN+
11
HI-RIN–
14
HI-RIN+
15
LOW
-LIN–
16
LOW
-LIN+
17
22
LOW
-RO+
LOW
-RO–
23
LOW
-RIN+
18
LOW
-RIN–
19
20
LOW
-LO+
LOW
-LO–
21
+
–
–
+
–
–
STANDBY
CIRCUIT
+
–
–
+
–
–
IC604 STK433-870GN-E
11
IN/1
10
MONIT
OR
13
ST
-BY
4
CH1+
12
NF/1
8
+PRE
9
GND/SUB
2
-VCC
1
-PRE
3
+VCC
5
CH1-
PRE DRIVE
CH1
FINAL DRIVE
CH1
14
NF/2
6
CH2+
15
IN/2
7
CH2-
PRE DRIVE
CH2
FINAL DRIVE
CH2
STANDBY
CIRCUIT
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