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Sony MHC-NX1 - NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

Sony MHC-NX1
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1919
SECTION 7
DIAGRAMS
7-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block)
Note on Schematic Diagram:
All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in and
1
/
4
W or less unless otherwise
specified.
f
: internal component.
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).
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.
E : TAPE PLAYBACK (DECK A)
d : TAPE PLAYBACK (DECK B)
G : RECORD
J : CD PLAY (ANALOG OUT)
c : CD PLAY (DIGITAL OUT)
Abbreviation
AUS : Australian model
CND : Canadian model
JE : Tourist model
KR : Korean model
MY : Malaysia model
SP : Singapore model
TH : Thai model
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro
spécifié.
Note on Printed Wiring Board:
X : parts extracted from the component side.
Y : parts extracted from the conductor side.
x : 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: 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.
CE
Q
B
These are omitted.
CE
Q
Circuit Boards Location
CLAMP MOTOR board
BD board
IN SW board
INT/COUNT SW board
MAIN board
CONNECTOR board
LOAD MOTOR board
AUDIO board
OUT SW board
PANEL TC-A board
PANEL TC-B board
LEAF SW board
PANEL board
SENSOR board
SENSOR 2 board

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