Sony SRS-ZX1 Service Manual ▷ View online
SRS-ZX1
9
3-8. REAR CABINET (FOOT-R) ASSY, RCH BOARD
Note: This illustration is removing a part from the bottom of the right speaker.
five screws
(P3
(P3
× 10)
rear cabinet
(foot-R)
(foot-R)
assy
RCH board
Remove the two solders.
3-9. CABINET (FOOT-R) ASSY, SPEAKER R LEAD
Note 1: This illustration is removing a part from the bottom of the right speaker.
Speaker R lead is removed
from a ditch of cabinet
(foot-R)
assy.
three midolle washers
(W3)
(W3)
Note 2: Middle W3 cannot re-used.
Please replace to brand-new part
ones moddle W3 is removed.
three screws
(P3
(P3
× 10)
INSTALLATION OF SPEAKER R LEAD
Note 3: Please install speaker R lead as
shown in the figure.
speaker R lead
cabinet (foot-R) assy (bottom side)
cabinet (foot-R) assy
speaker R lead
SRS-ZX1
10
3-10. ARRANGE THE SHAPE OF THE SPEAKER L/R LEAD
3-11. ARRANGE THE SHAPE OF THE SPEAKER CABLE ASSY (for LEFT SPEAKER)
180±20mm
260±20mm
85±5mm
5±1mm
10±1mm
85±5mm
5±1mm
10±1mm
20±1mm
6±1mm
20±1mm
6±1mm
packing
(cord)
(cord)
Note 1: Please process spaker L/R lead as shown in the figure.
Note 2: Wind packing (cord) around the location of the figure.
packing
(cord)
(cord)
– SPEAKER L LEAD –
– SPEAKER R LEAD –
30±2mm
speaker cable assy
Note: Please make the location of the figure a knot.
SRS-ZX1
SRS-ZX1
11
11
4-1. BLOCK DIAGRAM
SECTION 4
DIAGRAMS
J351
INPUT 1
J352
INPUT 2
+
+
BUFFER
IC301
A/D CONVERTER
IC302
13
9
LIN
DOUT
8
BCK
7
LRCK
6
MCLK
14 RIN
DSP
IC401
63
79
AD_DATA
65 AD_BCLK
FLASH ROM
IC403
2
SO
5
SI
6
SCK
CS 1
WP 3
70
70
AD_LRCLK
142 CLKIN
126 MISO
127 MOSI
125 SPICLK
127 MOSI
125 SPICLK
15
57
25
FLAG0
DSP_SI
I-DSP_SI
56
24
DSP_SO
O-DSP_SO
62
26
DSP_SCK
O-DSP_SCK
82
20
#DSP_CS
O-DSP_CS
121
16
RESET
O-DSP_RESET
DA_DATA
80
DA_BCLK
81
DA_LRCLK
64
MCLK
D/A CONVERTER
IC303
3
12
SDTI
2 BCK
4 LRCK
1 MCLK
4 LRCK
1 MCLK
POWER AMP
IC351
3 LINP
5 RINP
2 LINN
6 RINN
5 I-REMOTE
1 I-KEY1_VOL+
L+
LOUTP
11
L–
10
R+
9
R–
+
+
41, 42
LOUTN 39, 40
ROUTP 19, 20
ROUTN
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
21, 22
IC402
24.576MHz
8
22
CDTI
O-DA_DTI
7
21
CCLK
O-DA_CLK
6
23
CSN
O-DA_CS
5
13
PDN
O-DA_PDN
45
MUTE
47
SHUTDOWN
46
FA
U
LT
19
O-BEEP
18
O-MIN _BEEP
BEEP
CONTROL
SWITCH
Q801
Q351
D351
REMOTR CONTROL
RECEIVER
IC803
S801
VOL +
2 I-KEY2_VOL–
S802
VOL –
30 I-KEY3_POWER
3 O-LED_PWR
S803
I
/
D802
I
/
LED DRIVE
Q802
4
14
O-LED_MUTE
I-VCC_DET
D803
LED DRIVE
Q803
6
RESET
15
O-STBY
29
I-FAULT
17
O-MUTE
−
+
DC IN 16V
LIMITER
Q951
TH951
D801
DC/DC
CONVERTER
IC901
+3.3V
REGULATOR
IC903
+5V
REGULATOR
IC902
RESET SIGNAL
GENERATOR
IC802
3.3V
DSP_3.3V
A5V
1.2V
B+ SWITCH
Q401, 402
DC/DC
CONVERTER
IC904, Q901
SWITCHING
Q403, 902
F950
F951
POWER
AMP B+
AMP B+
(16V)
J951
SYSTEM CONTROLLER
IC801
LOW-PASS
FILTER
IC101
LOW-PASS
FILTER
IC201
: AUDIO
SIGNAL PATH
SRS-ZX1
SRS-ZX1
12
12
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.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• 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.
• Power voltage is dc 16V and fed with regulated dc power
• Power voltage is dc 16V and fed with regulated dc power
supply from DC IN 16V jack (J951).
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
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
F
:
AUDIO
• Abbreviation
AUS :
AUS :
Australian
model
CH :
Chinese
model
CND :
Canadian
model
KR :
Korean
model
For Printed Wiring Boards.
Note:
• Y : Parts extracted from the conductor side.
• f
• 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:
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
• Waveforms
– DSP Board –
– DSP Board –
IC401
[WY (CLKIN)
500 mV/DIV, 20 ns/DIV
40.7 ns
1.2 Vp-p
IC901
(OUT)
10 V/DIV, 5
μs/DIV
1.1
μs
17.2 Vp-p
Q901 (Drain)
5 V/DIV, 1
μs/DIV
3.4
μs
7.4 Vp-p
IC904
(EXT), Q901 (Gate)
5 V/DIV, 1
μs/DIV
3.4
μs
7.4 Vp-p
Ver. 1.3
Note: The components identifi ed by mark 0 or dot-
ted 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.
Click on the first or last page to see other SRS-ZX1 service manuals if exist.