Sony MHC-NX1 Service Manual - Page 62

DIAGRAMS, PRINTED, WIRING, BOARDS, SCHEMATIC, In addition to

Page 62 highlights

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 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: (Side B) Parts face side: (Side A) Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated. • Indication of transistor. Q BCE Q These are omitted. BCE These are omitted. C Q These are omitted. BE 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 Ω and 1/4 W or less unless otherwise specified. • f : internal component. • 5 : fusible resistor. • C : panel designation. Note: The components identified by mark 0 or dotted line with mark 0 are critical 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. • U : B+ Line. • V : B- Line. • H : adjustment for repair. • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal production tolerances. • Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production 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 • Circuit Boards Location SENSOR 2 board SENSOR board CLAMP MOTOR board BD board PANEL board IN SW board INT/COUNT SW board LEAF SW board PANEL TC-B board PANEL TC-A board OUT SW board MAIN board CONNECTOR board LOAD MOTOR board AUDIO board 19 19

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19
19
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.
C
E
Q
B
These are omitted.
C
E
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