Read Sony CX-LMNV5 / XR-MNV5 Service Manual online
27
27
CX-LMNV5
• Waveforms
– BD Board –
– BD Board –
1.2Vp-p
1
TP8 (RFAC)
200mV/DIV, 1
µ
s
/DIV
2
IC101
us
(XTAO)
1V/DIV, 20ns/DIV
3.3Vp-p
59.1ns (16.9MHz)
3
IC901
qd
(CF2)
1V/DIV, 40ns/DIV
3.4Vp-p
115ns
(8.64MHz)
4
IC901
q;
(XT2)
1V/DIV, 10
µ
s
/DIV
2.4Vp-p
30.5
µ
s
(32.768kHz)
5
Q453
Collector (REC mode)
5V/DIV, 4
µ
s
/DIV
15.4Vp-p
11.8
µ
s
– MAIN Board –
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.)
For schematic diagrams.
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
∗
: Impossible to measure
•
f
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
H
: adjustment for repair.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• 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.
F
: TUNER
J
: CD
d
: AUX
E
: PB (TAPE)
a
: REC (TAPE)
L
: VIDEO
: MIC
: MIC
• Abbreviation
MY
: Malaysia model.
SP
: Singapore model.
TH
: Thai model.
• Indication of transistor
B
These are omitted.
C
E
Q
C
B
These are omitted.
E
Q
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.
B
These are omitted.
C
E
Q
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
6
IC802
ua
(XOUT)
1V/DIV, 10ns/DIV
4.6Vp-p
37 ns
– VCD Board –
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