Read Sony SA-WRT5 Service Manual online
SA-WRT5
SA-WRT5
13
13
SECTION 4
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
•
•
: Resistor.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground in
• Voltages and waveforms are dc with respect to ground in
wireless connection to the bar speaker (SA-RT5).
no mark : POWER ON
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
).
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
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
AUDIO
(ANALOG)
J :
AUDIO
(DIGITAL)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: When the complete SUB MAIN board is replaced, re-
fer to “NOTE OF REPLACING THE IC7203 ON THE
SUB MAIN BOARD OR THE SUB MAIN BOARD”
on page 4, “NOTES ON THE WIRELESS CONNEC-
TION (LINK) AFTER REPAIRS ARE COMPLETE”
and “BOND FIXATION OF ELECTRIC PARTS” on
page 5.
SUB MAIN BOARD OR THE SUB MAIN BOARD”
on page 4, “NOTES ON THE WIRELESS CONNEC-
TION (LINK) AFTER REPAIRS ARE COMPLETE”
and “BOND FIXATION OF ELECTRIC PARTS” on
page 5.
• Indication of transistor.
C
B
These are omitted.
E
Q
• Waveforms
– SUB MAIN Board –
Note: When the complete SUB MAIN board is replaced, re-
fer to “NOTE OF REPLACING THE IC7203 ON THE
SUB MAIN BOARD OR THE SUB MAIN BOARD”
on page 4, “NOTES ON THE WIRELESS CONNEC-
TION (LINK) AFTER REPAIRS ARE COMPLETE”
and “BOND FIXATION OF ELECTRIC PARTS” on
page 5.
SUB MAIN BOARD OR THE SUB MAIN BOARD”
on page 4, “NOTES ON THE WIRELESS CONNEC-
TION (LINK) AFTER REPAIRS ARE COMPLETE”
and “BOND FIXATION OF ELECTRIC PARTS” on
page 5.
7
IC7201
qa (2CLK)
1 V/DIV, 25 ns/DIV
40 ns
3.3 Vp-p
8
IC7202
qa (MCLK)
1 V/DIV, 50 ns/DIV
20
Ps
3.3 Vp-p
3.5 Vp-p
3.5 Vp-p
9
IC7202
ws (LRCLK)
1 V/DIV, 10
Ps/DIV
q;
IC7202
wd (SCLK)
1 V/DIV, 250 ns/DIV
400 ns
250 ns
qa
IC7400
e; (X0)
1 V/DIV, 100 ns/DIV
qs
IC7400
ea (X1)
1 V/DIV, 100 ns/DIV
250 ns
2.9 Vp-p
80 ns
3.3 Vp-p
1
IC7100
2 (BOOT)
20 V/DIV, 500 ns/DIV
2
Ps
33 Vp-p
2
IC7200
2 (A)
500 mV/DIV, 10 ns/DIV
20 ns
3.5 Vp-p
4.5 Vp-p
4 Vp-p
3
IC7200
4 (Y)
1 V/DIV, 10 ns/DIV
4
IC7201
3 (1CLK)
1 V/DIV, 10 ns/DIV
40 ns
80 ns
5
IC7201
5 (1Q)
2 V/DIV, 25 ns/DIV
6
IC7201
9
(2Q)
2 V/DIV, 50 ns/DIV
20 ns
1.18 Vp-p
20 ns
3.5 Vp-p
Note: The components identifi ed by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Note: Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une piéce portant
le numéro spécifi é.
le numéro spécifi é.
Ver. 1.2
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