Sony SRS-ZX1 Service Manual ▷ View online
SRS-ZX1
SRS-ZX1
17
17
4-6. SCHEMATIC DIAGRAM - CONTROL Board -
• See page 22 for IC Pin Function Description.
Note: IC801 cannot exchange with single. When IC801
is damaged, exchange the entire mounted board.
C801
TP801
TP802
C816
C812
R825
R826
R801
R802
C803
R803
C802
C813
C805
C804
C806
R804
TP803
TP804
TP805
TP806
R805
R806
R807
R810
R809
R808
R823
R820
R819
C810
C811
R821
R822
R818
R817
R816
R815
R814
R813
C808
TP808
TP807
R811
C807
R812
R830
R828
R827
Q803
Q802
C814
C815
R829
IC803
CN801
D803
D802
S803
S801
S802
IC802
D801
Q801
C809
IC801
μPD78F0501MC
10
VCC
GND
100p
0.1
4.7k
0
470
470
0.22
47k
1000p
0.1
1
0.1
100p
10k
X1
X2
FLMD0
RESET
1k
1k
1k
47k
47k
47k
470
4.7k
470
1000p
100p
470
100
470
470
470
470
470
100
0.1
TX
RX
100k
100p
100
47
220
100
RT1N144M
-TP-1
RT1N144M
-TP-1
22
0.1
1k
NJL21V400A-M
16P
SML-310LTT86
SML-512MWT86P
PST3628UL
UDZSUSTE-1713B
RT1N144M-TP-1
0.1
(S)-5A4-E2-A
#DA_CS
DA_DTI
DA_CLK
#MUTE
FA
U
L
T
#DSP_CS
DSP_SO
DSP_SI
DSP_SCK
#MUTE
DA_CLK
DA_DTI
#DA_CS
FAULT
#DSP_CS
DSP_SO
DSP_SI
DSP_SCK
BEEP
STBY
#MUTE
FAULT
DSP_SO
DSP_SI
DSP_SCK
#DSP_CS
#DSP_REST
DA_CLK
DA_DTI
#DA_CS
#DA_PDN
3.3V
GND
VCC
SYSTEM
CONTROLLER
REMOTE
CONTROLLER
RECEIVER
DRIVE
DRIVE
LED
LED
VOL +
VOL -
SWITCH
BEEP CONTROL
GENERATOR
RESET SIGNAL
(Page 15)
SRS-ZX1
SRS-ZX1
18
18
4-7. PRINTED WIRING BOARDS - AMP Section -
•
: Uses unleaded solder.
Note: IC351 cannot exchange with single. When IC351
is damaged, exchange the entire mounted board.
Ref. No. Location
• Semiconductor
Location
D151
C-2
D152
C-2
D251
C-3
D252
C-3
D351
C-2
D951
C-7
IC351
C-3
Q351
C-1
Q951
B-8
C257
C256
C255
L251
Q351
D351
JC351
JC352
C353
C151
C152
C25
1
C252
C258
25
13
24
12
48
37
36
1
C260
C158
C160
R352
C253
C254
C154
C15
3
D151
D152
D251
D252
CN351
R351
TH951
C156
C157
C15
5
C351
L151
C352
C354
R356
R355
R354
R353
IC351
C952
C259
C159
J352
C953
J951
C263
F952
F951
C954
Q951
R952
R951
C163
VDR951
C951
D951
VDR161
VDR261
VDR361
FB951
FB952
R161
R261
C161
C261
VDR362
FB161
FB261
FB361
VDR162
VDR262
R162
R262
C162
C262
FB362
1
2
FB262
FB162
CN252
VDR252
VDR251
VDR152
(AEP, UK, AUS, CH, KR)
(AEP, UK, AUS, CH, KR)
VDR151
1
1-874-887-
11
(11)
AMP BOARD
(COMPONENT SIDE)
A
DSP BOARD
CN301
SP101
(L-CH)
(L-CH)
BLK
NUTRAL
1-874-887-
11
(11)
AMP BOARD
(CONDUCTOR SIDE)
INPUT 1
DC IN 16V
–
+
J951
RED
NATURAL
INPUT 2
1-874-890-
11
(11)
RCH BOARD
SP201
(R-CH)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
J351
RED
NATURAL
1
2
1
2
(Page 13)
Ver. 1.3
SRS-ZX1
SRS-ZX1
19
19
4-8. SCHEMATIC DIAGRAM - AMP Section -
• See page 20 for IC Block Diagram.
Note: IC351 cannot exchange with single. When IC351
is damaged, exchange the entire mounted board.
R161
C161
R261
C261
VDR261
C262
R262
C162
R162
VDR162 VDR362
VDR262
VDR361
VDR161
C156
C157
C155
C257
C255
C256
J951
VDR951
D951
FB951
C951
FB952
R951
C954
Q951
C163
C160
C260
C259
C258
C159
C158
D152
D151
D252
D251
C263
C254
C253
C354 C353
R353
TH951
R354
R355
R356
R351
C351
C352
TP352
TP351
D351
R352
C153
C154
CN351
IC351
J351
J352
CN252
C151
C251
C252
C152
JC352
JC351
Q351
C953
C952
R952
SP201
SP101
FB361
FB261
FB161
FB262
FB162
FB362
L251
10
μH
F952
F951
L151
10
μH
5.6k
100p
5.6k
100p
100p
5.6k
100p
5.6k
0.47
0.47
0.68
0.47
0.68
0.47
RB051L-40TE25
0.1
100k
0.1
RSS075P03
0.1
1
1
220
25V
25V
1
220
25V
1
MC2837
MC2837
MC2837
MC2837
0.1
0.22
0.22
0.01
1
100k
100k
100k
100k
100k
10
1
MUTE
STBY
1SS355-TE17
100k
0.22
0.22
30P
TPA3100D2PHPR
2P
0.1
50V
0.1
50V
0.1
50V
0.1
50V
0
0
RT1N144M
-TP-1
220
25V
220
25V
47k
4A
24V
4A
24V
INLN
INLP
INRP
INRN
INLN
INLP
INRP
INRN
IN1-G
IN1-L
IN1-G
IN1-R
IN2-R
IN2-G
IN2-L
IN2-G
STBY
#MUTE
FAULT
INRN
INRP
INLP
INLN
VCC
VCC
VCC
VCC
VCC
VCC
VCC
GND
GND
GND
GND
GND
GND
NC
GND
(R-CH)
(L-CH)
INVERTER
POWER AMP
2
1
INPUT 2
INPUT 1
LIMITER
DC IN 16V
1
2
VDR151
(AEP,UK,AUS,CH,KR)
(AEP,UK,AUS,CH,KR)
VDR152
VDR252
VDR251
(Page 14)
Ver. 1.3
SRS-ZX1
SRS-ZX1
20
20
• IC Block Diagrams
– DSP Board –
– DSP Board –
IC302 PCM1808PWR
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
3
VDD
DGND
4
5
5
LRCK 7
REFERENCE
× 1/64
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
FMT
12
VINR
14
VINL
13
MD1
11
MD0
10
DOUT
9
BCK
8
CLOCK & TIMING CONTROL
POWER
SUPPLY
SUPPLY
SCKI 6
VREF 1
IC303 AK4385ET-E2
4
8X
INTERPOLATOR
DE-EMPHASIS
CONTROL
CLOCK
DIVIDER
SCF
SCF
LRCK
5
PDN
ΔΣ
MODULATOR
2
9
8X
INTERPOLATOR
BICK
1
MCLK
3
SDTI
ΔΣ
MODULATOR
AUDIO
DATA
INTERFACE
7
CCLK
8
CDTI
6
10
CSN
AOUTR+
AOUTR-
AOUTR-
11
12 AOUTL+
13 VSS
14 VDD
15 DZFR
16 DZFL
AOUTL-
P
INTERFACE
IC903 NJM2871BF33-TE2
IC901 BD9701FP-E2
1
VCC
2
OUT
3
GND
4
INV
VREF
5
STBY
STBY
+
–
DRIVER
ERROR
AMP
PWM
COMPARATOR
+
–
OSC
CONTROL
LOGIC
OCP
TSD
IC902 NJM2880U1-05-TE1
3
4
NOISE BYP
ASS
2
GND
1
5
CONTROL
VIN
VOUT
+
–
–
BANDGAP
REFERENCE
THERMAL
PROTECTION
IC904 XC9220D093MR
5
VIN
4
VOUT
2
GND
3
NOISE
BYP
ASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
VIN
5
CE/CSS 1
VSS 2
FB 3
EXT
4
+
–
–
CHIP
ENBALE
SOFT START
(INTERNAL)
SHORT CIRCUIT
PROTECTION
MAX DUTY LIMIT
PROTECTION
EACH
CIRCUIT
OE
CE
VOLTAGE
REFERENCE
ERROR
AMP
RAMP
WAVE
WAVE
PWM CONTROL LOGIC
OSC ENABLE
OSC
LOGIC
S
Q
BUFFER
UNDER
VOLTAGE
LOCK OUT
R
RS LATCH
EACH
CIRCUIT
–
+
+
PWM
COMPARATOR
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