HT-6600DP, STR-K850P - Sony Audio Service Manual (repair manual). Page 7

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7
7
STR-K850P
• Waveforms
DIGITAL Board
For schematic diagrams.
Note:
• All capacitors are in 
µ
F unless otherwise noted. p : pF. 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.
%
: indicates tolerance.
f
: internal component.
2
: nonflammable resistor.
5
: fusible resistor.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
• Voltages 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 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: CD (ANALOG)
c
: DVD (DIGITAL)
• Abbreviation
CND : Canadian model
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
a
: Through hole.
f
: internal component.
: Pattern from the side which enables seeing.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
1
 IC1101 
wa
 (XOUT)
 
4.3Vp-p
1V/DIV, 40ns/DIV
81.4ns
 (12.288MHz)
2
 IC1201 
9
 
(MCLK1)
3.4Vp-p
73.6ns (13.59MHz)
1V/DIV, 40ns/DIV
3
 IC1601 
id
 (XI)
3.5Vp-p
62.5ns (16MHz)
1V/DIV, 40ns/DIV
SECTION 3
DIAGRAMS
3-1.  Circuit Board Location
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
piéce por tant le numéro
spécifié.
MAIN board
BRIDGEABLE board
DISPLAY board
HEADPHONE board
STANDBY board
VIDEO board
S-VIDEO board
DIGITAL board
VOLUME board
POWER board
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