Read Sony CMT-EH45DAB / HCD-EH45DAB Service Manual online
HCD-EH45DAB
12
SECTION 7
DIAGRAMS
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.
• 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.
• Voltages and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : TUNER
( ) : CD PLAY
[ ] : TAPE PLAY
‹‹ ›› : REC
• Voltages are taken with VOM (Input impedance 10 M
no mark : CD PLAY
– Other Section –
no mark : TUNER
( ) : CD PLAY
[ ] : TAPE PLAY
‹‹ ›› : REC
• Voltages are taken with VOM (Input impedance 10 M
Ω).
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.
F :
F :
TUNER
J
: CD PLAY
E :
TAPE
PLAY
:
REC
f
: AUDIO 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.
• f : internal component.
•
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• W : indicates side identifi ed with part number.
• 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
B
These are omitted.
C E
Q
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.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
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.
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