Read Sony CDX-GT40U / CDX-GT40UW / CDX-GT42UE / CDX-GT44U / CDX-GT45U / CDX-GT47UE Service Manual online
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
2
2. 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.
• 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 are dc with respect to ground under no-signal
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
L :
L :
AUX
c :
USB
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
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.
• Indication of transistor.
C
B
These are omitted.
E
Q
• Abbreviation
RU
RU
: Russian model
• Abbreviation
RU
RU
: Russian model
1. NEW/FORMER DISCRIMINATION
Serial number
Model
Destination
Former type
New type
CDX-
GT40U
GT40U
US and Canadian
models*
models*
1864691 or
smaller
smaller
1864692
or lager
or lager
Canadian model (for
CXS-GT4016F)
CXS-GT4016F)
1554521 or
smaller
smaller
1554522
or lager
or lager
AEP and UK
models
models
1885791 or
smaller
smaller
1885792
or lager
or lager
Russian model
1822499 or
smaller
smaller
1822500
or lager
or lager
CDX-
GT40UW
GT40UW
US model
1864116 or
smaller
smaller
1864117
or lager
or lager
CDX-
GT42UE
GT42UE
Russian model
1850792 or
smaller
smaller
1850793
or lager
or lager
CDX-
GT44U
GT44U
AEP and UK
models
models
1939738 or
smaller
smaller
1939739
or lager
or lager
Indian model
1865831 or
smaller
smaller
1865832
or lager
or lager
CDX-
GT45U
GT45U
E model
1811434 or
smaller
smaller
1811435
or lager
or lager
Saudi Arabia model
1878981 or
smaller
smaller
1878982
or lager
or lager
Mexican model
1838226 or
smaller
smaller
1838227
or lager
or lager
Argentina model
1798061 or
smaller
smaller
1798062
or lager
or lager
Korean model
1826514 or
smaller
smaller
1826515
or lager
or lager
CDX-
GT47UE
GT47UE
Russian model
1858886 or
smaller
smaller
1858887
or lager
or lager
*CXS-GT4016F (US model) is Former type only.
Three kinds of following distinguish methods exist.
• Distinguish method by serial number printed on the model
number label (Refer to right side for the serial number).
Model number label
Displayed characters/values
are example.
are example.
– Main unit (Bottom side) –
• Distinguish method by part No. printed on the KEY board
– KEY Board (Side A) –
Former type : 1-884-821-11
New type
New type
: 1-884-821-21
or
1-884-821-22
• Distinguish method by LCD driver IC (IC901) on the KEY
board
IC901
– KEY Board (Side B) –
Former type : LC75839
New type
New type
: PT6587-LQ
Click on the first or last page to see other CDX-GT40U / CDX-GT40UW / CDX-GT42UE / CDX-GT44U / CDX-GT45U / CDX-GT47UE service manuals if exist.