Sony HCD-VX5AJ / MHC-VX5 / MHC-VX5J / MHC-VX7 Service Manual ▷ View online
– 31 –
– 32 –
7-6.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
•
p
: parts mounted on the conductor side.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
•
Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic 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.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• 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
: TUNER (FM/AM)
E
: PLAYBACK (DECK A)
d
: PLAYBACK (DECK B)
G
: RECORD
L
: CD PLAY (VIDEO)
J
: CD PLAY (AUDIO)
c
: DIGITAL OUT
N
: MIC INPUT
• Abbreviation
EA
: Saudi Arabia model
HK
: Hong Kong model
IA
: Indonesian model
JE
: Tourist model
MY
: Malaysia model
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
• Circuit Boards Location
CD SW board
TRANS board
MAIN board
PANEL board
TUNER PACK (Tourist)
TUNER (FM/AM) (Thai)
TUNER (FM/MW/SW)
(EXCEPT Thai, Tourist)
TUNER (FM/AM) (Thai)
TUNER (FM/MW/SW)
(EXCEPT Thai, Tourist)
SURROUND board
VIDEO board
CONNECTOR board
SENSOR board
MOTOR (TURN) board
MOTOR (SLIDE) board
LEAF SW board
AUDIO board
BD board
HCD-VX5A/VX5AJ/VX7A
– 33 –
– 34 –
7-7.
PRINTED WIRING BOARD – BD Board –
•
See page 32 for Circuit Boards Location.
• Semiconductor
Location
(Side A)
(Side A)
Ref. No.
Location
IC104
F-3
Q101
F-6
• Semiconductor
Location
(Side B)
(Side B)
Ref. No.
Location
IC101
E-4
IC102
C-5
IC103
E-6
(Page 42)
HCD-VX5A/VX5AJ/VX7A
– 35 –
– 36 –
7-8.
SCHEMATIC DIAGRAM – BD Board –
•
See page 75 for Waveforms.
•
See page 76 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
(
no mark : CD STOP
(
) : CD PLAY
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
(Page 37)
HCD-VX5A/VX5AJ/VX7A
– 37 –
– 38 –
7-9.
SCHEMATIC DIAGRAM – VIDEO Board (1/2) –
•
See page 43 for Waveforms.
•
See page 78 for IC Block Diagram.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : VIDEO CD PLAY
no mark : VIDEO CD PLAY
(Page 35)
(Page 57)
(Page 39)
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