Sony DHC-NX5MD / STR-NX5MD Service Manual ▷ View online
9
9
SECTION 4
DIAGRAMS
4-1. 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.
•
x
: parts mounted on the conductor side.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated)
• Indication of transistor.
• Indication of transistor.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM)
no mark : TUNER (FM)
• 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.
• Signal path.
F
: FM
E
: MD PLAY
J
: CD PLAY
j
: MD REC
• Abbreviation
MY
: Malaysia model
SP
: Singapore model
G
: German model
AED
: North European model
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
• IC Block Diagram
– MAIN Board –
– MAIN Board –
IC401
BA3830F
• Waveforms
– MAIN Board –
– MAIN Board –
1
IC501
qa
(XCOUT)
2
IC501
qd
(XOUT)
F01
R02
R01
LINE NF
LINE IN
REFERENCE
CURRENT
REFERENCE
CURRENT
RESET
BAND
PASS
FILTER
DET
17
RESET
18
F02
16
F03
15
F04
14
F05
13
F06
12
REC LEVEL
11
VCC
10
4
3
2
1
+
–
REC NF
REC IN
6
RESET C
7
BIAS C
8
GND
9
5
+
–
3 Vp-p
32.768 kHz
2.8 Vp-p
16.025 MHz
• Circuit Boards Location
SUB TRANS board
(AEP, UK, G, AED, CIS)
(AEP, UK, G, AED, CIS)
TRANS board
BACK LIGHT board
PANEL board
R board
PA board
MAIN board
TUNER pack
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
10
10
STR-NX5MD
4-2. SCHEMATIC DIAGRAM – MAIN Board (1/3) – • See page 13 for Printed Wiring Board.
12
11
11
11
STR-NX5MD
4-3. SCHEMATIC DIAGRAM – MAIN Board (2/3) – • See page 9 for Waveforms. • See page 13 for Printed Wiring Board.
12
10
PIN FUNCTION
12
12
STR-NX5MD
4-4. SCHEMATIC DIAGRAM – MAIN Board (3/3) – • See page 9 for IC Block Diagram.
D141
A-8
D501
B-2
D502
D-1
D503
D-1
D504
E-1
D505
E-1
D506
E-1
D507
F-1
D508
E-2
D510
C-1
D901
B-5
D902
B-5
D903
B-5
D904
B-4
D905
A-6
D906
A-6
D914
A-3
D915
B-3
D920
B-4
D921
B-3
D925
B-4
D931
A-4
D932
A-4
IC101
B-9
IC401
E-5
IC501
E-3
IC502
E-1
IC901
A-2
IC921
C-2
Q112
A-8
Q113
A-8
Q114
G-6
Q162
A-9
Q163
A-9
Q164
G-6
Q191
G-11
Q411
D-5
Q421
C-3
Q431
E-6
Q432
D-6
Q461
D-5
Q501
F-1
Q502
F-1
Q503
F-1
Q901
A-6
Q902
A-6
Q903
A-6
Q904
A-3
Q905
A-3
Q906
B-3
Q907
B-4
Q921
B-3
Q926
B-3
Q927
B-3
Q951
B-6
Q952
B-6
Q953
B-6
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
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