Sony CX-JV1, Service Manual

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CX-JV1
25 25
6-5. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
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.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1 /
4
W or less unless otherwise
specified.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– BD/CHANGER Section –
no mark : CD PLAY
– VMP Section –
no mark : VIDEO CD PLAY
– Other Sections –
no mark : FM
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M Ω ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK-A)
d
: TAPE PLAY (DECK-B)
G
: REC
J
: CD PLAY (AUDIO)
L
: CD PLAY (VIDEO)
j
: VIDEO/AUX IN
k
: REC OUT
N
: MIC INPUT
• Abbreviation
EA : Saudi Arabia model
MY : Malaysia model
SP : Singapore model
TH : Thai model
• Circuit Boards Location
CD KEY board
SENSOR board
BD board
MOTOR (TB) board
DRIVER board
TR board
MOTOR (LD) board
SW board
VMP50 board
KEY board
PT board
HEADPHONE board
PANEL board
MAIN board
VF board
TUNER (FM/AM)
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated. Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
B
These are omitted.
C E
Q