Circuit Boards Location - Sony STR-DE585 Service Manual

STR-DE585

4-6. CIRCUIT BOARDS LOCATION

STANDBY board
POWER SW board
HEADPHONE board
DISPLAY board
MAIN board
VIDEO board
DIGITAL board
20
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for 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.
• : internal component.
f
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti- pour la sécurité.
Ne les remplacer que par une
cal for safety.
Replace only with part piéce por tant le numéro
number specified. spécifié.
• A : B+ Line.
• B : B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : 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/AM)
g : VIDEO
J
: CD (ANALOG)
c : CD (DIGITAL)
• Waveforms (DIGITAL Board)
1 1V/DIV 50nsec/DIV 5 1V/DIV 50nsec/DIV
3.4Vp-p
13.5MHz
12.288MHz
IC1101 qd (CKOUT) IC1201 qs (MCLK2)
1V/DIV 0.2µsec/DIV 6 1V/DIV 50nsec/DIV
2
3.4Vp-p
12.288MHz
3.07MHz
IC1101 qf (BCK) IC1201 qf (SCKOUT)
1V/DIV 50nsec/DIV 7 1V/DIV 50nsec/DIV
3
3.6Vp-p
12.288MHz 20MHz
wa (XOUT) IC1601 id (X1)
IC1101
1V/DIV 50nsec/DIV
4
5Vp-p
12.288MHz
(MCLKI)
IC1501 el
20
for printed wiring boards:
• X : parts extracted from the component side.
• : internal component.
f
• : Pattern from the side which enables seeing.
Caution:
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) parts face are indicated.
C
Q These are omitted.
B E
Q
B C E
These are omitted.
Q
B C E
3.6Vp-p
4Vp-p
3Vp-p