Read Sony SA-WNT3 Service Manual online
SA-WNT3
SA-WNT3
13
13
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.
• Components for right channel have same values as for
left channel. Reference numbers are coded from
• f
: Internal component.
•
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
wireless connection to the bar speaker (SA-NT3).
no mark : POWER ON
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
Ω).
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 :
AUDIO
(ANALOG)
J :
AUDIO
(DIGITAL)
• Abbreviation
AR
AR
: Argentina model
AUS : Australian model
CND : Canadian model
E3
CND : Canadian model
E3
: 240V AC area in E model
EA
: Saudi Arabia model
LA9
: Latin-American model
RU
: Russian model
SP
: Singapore model
TW :
Taiwan
model
For Printed Wiring Boards.
Note:
•
•
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.)
• Abbreviation
AR
AR
: Argentina model
AUS : Australian model
CND : Canadian model
E3
CND : Canadian model
E3
: 240V AC area in E model
EA
: Saudi Arabia model
LA9
: Latin-American model
RU
: Russian model
SP
: Singapore model
TW :
Taiwan
model
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
B
These are omitted.
C
E
Q
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 1: When the complete SUB MAIN board is re-
placed, refer to “NOTE OF REPLACING THE
IC7203 ON THE SUB MAIN BOARD AND THE
COMPLETE SUB MAIN BOARD” on page 4.
IC7203 ON THE SUB MAIN BOARD AND THE
COMPLETE SUB MAIN BOARD” on page 4.
Note 1: When the complete SUB MAIN board is re-
placed, refer to “NOTE OF REPLACING THE
IC7203 ON THE SUB MAIN BOARD AND THE
COMPLETE SUB MAIN BOARD” on page 4.
IC7203 ON THE SUB MAIN BOARD AND THE
COMPLETE SUB MAIN BOARD” on page 4.
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.
– SUB MAIN Board –
– SUB MAIN Board –
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
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; (XO)
1 V/DIV, 100 ns/DIV
qs
IC7400 ea (XI)
1 V/DIV, 100 ns/DIV
250 ns
2.9 Vp-p
80 ns
3.3 Vp-p
• Waveforms
Note 2: When the C7230, C7233 and C7234 on the
SUB MAIN board are replaced, spread the bond
referring to “BOND FIXATION OF ELECTRIC
PARTS” on page 4.
referring to “BOND FIXATION OF ELECTRIC
PARTS” on page 4.
Note 2: When the C7230, C7233 and C7234 on the
SUB MAIN board are replaced, spread the bond
referring to “BOND FIXATION OF ELECTRIC
PARTS” on page 4.
referring to “BOND FIXATION OF ELECTRIC
PARTS” on page 4.
Ver. 1.2
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