Sony MDX-C6500X (serv.man2) Service Manual ▷ View online
1
Subject : 1. Change of Illumination Color
2. Change of Main and Display Boards
SUPPLEMENT-1
File this supplement with the service manual.
(ECN-CSA02152, CSA02456, CSA02457)
SERVICE MANUAL
MDX-C6500X
US Model
Canadian Model
E Model
1. Change of Illumination Color
Illumination color of the EJECT button (relay board) at the disc insertion part was changed from green to red.
8-719-078-39 LED CL-170SR-CD-T (MD WINDOW)
8-719-078-39 LED CL-170SR-CD-T (MD WINDOW)
1-771-883-11 SWITCH, TACTILE (WITH LED) (Z)
8-719-078-39 LED CL-170SR-CD-T (MD WINDOW)
1-771-883-11 SWITCH, TACTILE (WITH LED) (Z)
LED905
8-719-033-14 LED CL-170PG-CD-T (MD WINDOW)
LED906
8-719-033-14 LED CL-170PG-CD-T (MD WINDOW)
LSW916
1-771-609-11 SWITCH, TACTILE (WITH LED) (Z)
Page
GREEN
RED
Ref. No.
Part No.
Description
Remark
Part No.
Description
Remark
55
2
2. Change of Main and Display Boards
When performing service and inspection, check the part number
of the main and display boards.
of the main and display boards.
2-1. Discrimination
-MAIN BOARD (COMPONENT SIDE)-
Main board part No.
Former:1-676-688-11
New :1-676-688-12
Former:1-676-688-11
New :1-676-688-12
-DISPLAY BOARD (CONDUCTOR SIDE)-
Display board part No.
Former:1-676-689-11
New :1-676-689-12
Former:1-676-689-11
New :1-676-689-12
2-2. Diagrams
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
•
U
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: AM
J
: MD
for printed wiring boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
b
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
• Abbreviation
CND : Canadian model.
• (
) : Refer to page of supplement-1.
• <
> : Refer to page of service manual.
for schamatic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
3
3
• PRINTED WIRING BOARD — MAIN SECTION —
<Page 37>
<Page 31>
MDX-C6500X
D924
C-8
D925
C-7
D926
C-7
D927
C-7
D928
C-7
D930
D-10
IC101
B-7
IC701
H-4
IC801
I-8
IC802
F-11
IC901
F-13
IC902
J-12
Q101
C-4
Q102
C-3
Q201
C-5
Q202
C-4
Q401
G-6
Q402
G-7
Q601
J-2
Q602
J-2
Q603
J-1
Q701
E-13
Q702
F-13
Q703
D-13
Q801
E-11
Q802
E-10
Q803
E-11
Q902
D-7
Q903
C-14
Q904
H-14
Q905
E-7
Q906
F-7
Q907
I-13
Q908
H-12
Q911
K-13
Q912
I-12
Q913
C-14
Q914
K-7
Q915
K-6
Q916
E-7
Q919
I-12
Q920
B-13
Q921
C-10
Q922
G-14
• Semiconductor Location
Ref. No.
Location
D401
G-8
D402
H-7
D404
C-5
D405
F-7
D601
I-1
D603
I-2
D701
E-14
D702
I-5
D801
H-9
D802
H-10
D803
D-12
D806
C-12
D807
F-12
D808
E-11
D809
D-12
D810
J-2
D811
J-3
D812
J-2
D813
J-3
D814
J-3
D815
J-3
D816
J-4
D817
J-4
D818
J-4
D820
G-10
D821
F-11
D822
B-14
D823
A-13
D824
F-12
D901
B-11
D902
D-11
D903
C-11
D904
G-12
D905
H-14
D906
I-14
D907
E-12
D910
F-8
D911
D-7
D913
K-8
D914
D-8
D915
J-5
D917
D-7
D918
B-14
D921
C-8
D922
C-8
D923
C-7
Ref. No.
Location
4
4
• SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 44 of Service manual for IC Block Diagrams.
Note:
• Voltage is dc with respect to ground under no-signal
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : AM
<
> : MD PLAY
∗
: Impossible to measure
(Page 5)
<Page 38>
<Page
33>
MDX-C6500X