Sony STR-K7100 Service Manual - Page 22

DIGITAL Board, XM Board - parts

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STR-K7100 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. (p: pF) 50 WV or less are not indicated except for electrolytics 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. Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. • 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 production tolerances. • Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. • Circled numbers refer to waveforms. • Signal path. F : TUNER (FM/AM) L : VIDEO (AUDIO) I : VIDEO J : DVD (DIGITAL) c : CD (ANALOG) 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 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. BE Q BCE Q BCE These are omitted. • Waveforms - DIGITAL Board - 1 IC1301 qd (CKOUT) 5 IC1501 qs (MCLK2) - XM Board - 1 IC102 wh (OSCOUT) 12.288 MHz 1 V/DIV, 50 nsec/DIV 2 IC1301 qf (BCK) 3.8 Vp-p 13.9 MHz 3.2 Vp-p 1 V/DIV, 50 nsec/DIV 6 IC1501 qf (SCKOUT) 45.158 MHz 0.05 V/DIV, 0.2 µsec/DIV 0.07 Vp-p 3.07 MHz 3.6 Vp-p 12.288 MHz 1 V/DIV, 0.2 µs/DIV 3 IC1301 wa (XOUT) 1 V/DIV, 50 nsec/DIV 7 IC1907 tj (X1) 3.5 Vp-p 12.288 MHz 3.1 Vp-p 12.5 MHz 1 V/DIV, 50 nsec/DIV 4 IC1501 9 (MCLK1) 1 V/DIV, 50 nsec/DIV 2.8 Vp-p 13.9 MHz 1 V/DIV, 50 nsec/DIV 1.7 Vp-p STR-K7100 22 22

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STR-K7100
22
22
STR-K7100
for schematic diagram:
•
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
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
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: DVD (DIGITAL)
c
: CD (ANALOG)
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 are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
• Waveforms
— DIGITAL Board —
Note:
The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
1
IC1301
qd
(CKOUT)
3.8 Vp-p
3.1 Vp-p
1 V/DIV, 50 nsec/DIV
3
IC1301
wa
(XOUT)
1 V/DIV, 50 nsec/DIV
4
IC1501
9
(MCLK1)
1.7 Vp-p
1 V/DIV, 50 nsec/DIV
2
IC1301
qf
(BCK)
3.6 Vp-p
1 V/DIV, 0.2
μ
s/DIV
13.9 MHz
12.288 MHz
3.07 MHz
12.288 MHz
5
IC1501
qs
(MCLK2)
3.2 Vp-p
2.8 Vp-p
1 V/DIV, 50 nsec/DIV
7
IC1907
tj
(X1)
1 V/DIV, 50 nsec/DIV
6
IC1501
qf
(SCKOUT)
3.5 Vp-p
1 V/DIV, 50 nsec/DIV
12.5 MHz
12.288 MHz
13.9 MHz
— XM Board —
1
IC102
wh
(OSCOUT)
0.07 Vp-p
0.05 V/DIV, 0.2
μ
sec/DIV
45.158 MHz