Sony STR-NX1 Service Manual - Page 11

Browse online or download pdf Service Manual for Stereo System Sony STR-NX1. Sony STR-NX1 42 pages. Tuner/amplifier
Also for Sony STR-NX1: Service Manual (8 pages)

Print Page
Sony STR-NX1 Service Manual
5-1.

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.
•
: parts mounted on the conductor side.
x
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated)
• Indication of transistor.
Q
B
C E
These are omitted.
Q
B
C
E
These are omitted.
• IC Block Diagram
– MAIN Board –
IC401 BA3830F
RESET
18
RESET
REFERENCE
R02
1
CURRENT
REFERENCE
R01
2
CURRENT
17
F01
LINE NF
3
16
F02
LINE IN
4
BAND
–
15
F03
PASS
+
14
F04
FILTER
13
F05
DET
12
F06
REC NF
5
REC IN
6
–
11
REC LEVEL
+
10
VCC
7
RESET C
BIAS C
8
GND
9
SECTION 5

DIAGRAMS

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
/
W or less unless otherwise
4
specified.
•
f
: internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note:
Note:
The components identi-
Les composants identifiés par
fied by mark 0 or dotted
une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety.
Ne les remplacer que par une
pièce por tant le numéro
Replace only with part
spécifié.
number specified.
• U : B+ Line.
• V : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM)
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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)
E
: TAPE PLAYBACK
G
: RECORD
J
: CD PLAY
N
: MIC INPUT
• Abbreviation
AUS : Australian model
MY
: Malaysia model
CND : Canadian model
SP
: Singapore model
JE
: Tourist model
TH
: Thai model
KR
: Korean model
• Waveforms
– MAIN Board –
1 IC501 q; (XCIN)
1.4 Vp-p
32.768 kHz
2 IC501 qd (XOUT)
3 Vp-p
16 MHz
• Circuit Boards Location
TRANS board
BACK LIGHT board
PANEL baord
R board
11
11
SUB TRANS board
(US, Canadian, AEP, UK)
TUNER pack
PA board
SURROUND AMP board
(NX3)
MAIN board