Read Sony STR-DE897 Service Manual online
STR-DE897
22
22
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 diagram:
• 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.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : 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.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
• Abbreviation
CND : Canadian model.
E2
E2
: AC 120 V area in E model.
AR
: Argentina model.
MY
: Malaysia model.
SP
: Singapore model.
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
• Abbreviation
CND : Canadian model.
E2
E2
: AC 120 V area in E model.
AR
: Argentina model.
MY
: Malaysia model.
SP
: Singapore model.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
• Waveform (DISPLAY Board)
2.6Vp-p
1
IC100
3
(XOUT)
1V/DIV 20nsec/DIV
8MHz
• Waveform (UP CONVERT Board)
(US, Canadian model only)
(US, Canadian model only)
4.2Vp-p
1
IC3101
4
(XTAL)
1V/DIV 20nsec/DIV
3.5795MHz
Ver 1.1
• Waveforms (DIGITAL Board)
3.8Vp-p
1
IC1301
qd
(CKOUT)
1V/DIV 50nsec/DIV
12.288MHz
3.2Vp-p
2
IC1301
qf
(BCK)
1V/DIV 0.2
µ
sec/DIV
3.07MHz
3.5Vp-p
3
IC1301
wa
(XOUT)
1V/DIV 50nsec/DIV
12.288MHz
2.2Vp-p
4
IC1501
9
(MCLK1)
1V/DIV 50nsec/DIV
13.5MHz
3.5Vp-p
5
IC1501
qs
(MCLK2)
1V/DIV 50nsec/DIV
13.5MHz
3.8Vp-p
6
IC1501
qf
(SCKOUT)
1V/DIV 50nsec/DIV
12.288MHz
2.1Vp-p
7
IC1101
id
(X1)
1V/DIV 50nsec/DIV
16MHz
Click on the first or last page to see other STR-DE897 service manuals if exist.