Sony XR-CA350X Service Manual ▷ View online
XR-CA350X
17
17
5-4.
SCHEMATIC DIAGRAM – MAIN Board (2/2) –
•
See page 20 for IC Block Diagrams.
D503
D502
D501
D500
D507
D506
D505
D504
R731
R730
R732
C731
Q726
R728
R852
D700
C701
C700
R721
R720
Q725
R722
Q732
Q731
C733
C732
D653
C507
C508
C505
R502
R501
R500
C423
C427
R413
R410
C424
C420
R412
C426
C422
R411
C425
R504
C523
C430
C431
R853
R503
Q400
Q401
Q402
Q403
R450
D452
R451
D451
C451
R452
Q451
Q450
R414
C428
C429
R416
R417
R415
C416
C418
C419
R402
R403
C417
R404
R405
R406
R407
R408
R409
R419
R420
C421
R421
C412
C413
C414
C415
C521
C520
R400
C452
C410
R418
C411
R422
R423
C409
C400
C401
C402
C403
C404
C405
R653
C650
R651
C601
R401
R656
D651
R663
C7
C81
IC2
R652
R650
R81
R740
C740
D741
C741
C742
C710
Q711
R713
Q741
Q740
Q710
R710
R815
D650
R814
D805
R811
R804
R800
R801
R802
C800
CN800
D800
R664
CN400
R725
IC800
L700
TH701
TH700
TH800
D803
D802
IC500
C506
C500
C502
IC400
F901
C801
Q650
Q651
R655
R711
R712
Q800
Q730
R657
D724
D722
D721
D723
R654
Q722
Q724
C501
C504
11ES2
11ES2
11ES2
11ES2
11ES2
11ES2
11ES2
11ES2
2.2k
10k
470
0.047
PDTC114EK
10k
0
IN5404TU
0.22
3300
16V
560
1/2W
10k
PDTC114EK
0
PDTC114EK
2PB709A
470p
1
M
TZJ6.2B
0.1
0.1
10
16V
10k
22
10k
0.47
0.47
100
100
0.47
0.47
100
0.47
0.47
100
0.47
47k
470p
3300p
3300p
0
1k
DTC314TK
DTC314TK
DTC314TK
DTC314TK
47
MTZJ7.5C
10k
1SS133
47
16V
4.7k
PDTC144EK
PDTA114EK
1k
100p
100p
10k
10k
1k
4.7
50V
50V
4.7
50V
50V
4.7
50V
50V
100
100
4.7
50V
50V
100
100
47k
47k
47k
47k
100
100
0.47
100
10p
10p
10p
10p
470p
470p
10
1
47
16V
100
0.01
0
0
10
16V
0.47
0.47
0.47
0.47
0.47
0.47
4.7k
1
50V
47k
0.1
39k
27k
1SS133
100k
0.047F
5.5V
0.1
PST3443UL
47k
4.7k
100k
22k
10
16V
HZS681L
0.01
100
10V
10V
0.1
PDTC114EK
10k
2PD601A
2SA1428
2SA1428
4.7
1/2W
0
MTZJ188
220k
MTZJ188
1k
10
10k
100
100
330
16V
16V
8P
MTZJ6.8B
1k
560
1/2W
MM1175XFF
MTZJ18B
MTZJ18B
(POWER)
CN700
16P
TDA7386
10
16V
47
16V
0.047
BD3803AF-FE2
10A
32V
32V
0.01
2PD601A
2PB709A
47k
1.5k
1.5k
PDTC114EK
2SD1760
100
11ES2
11ES2
11ES2
11ES2
100k
2SA1428
2SA1428
0.0047
1
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
SP1
SP2
SP3
SP4
SP5
SP6
SP7
SP8
SP1
SP2
SP3
SP4
SP5
SP6
SP7
SP8
AU6
AU1
AU5
OR1
OR2
OF1
OF2
OF1
OF2
OR2
OR1
AU7
AU8
AU2
TU11
TU7
TU8
AU3
AU4
BUS5
BUS4
BUS6
BUS3
BUS2
BUS1
B1
B2
D1
D2
GND
FL-
FL+
RL-
RL+
RL IN
GND
RR IN
RR+
RR-
FR+
FR-
GND
VCC2
GND
RIPPLE
FL IN
FR IN
BEEP
GND
VCC1
GND
STBY
MUTE
POWER AMP
(CHASSIS)
R
L
R
L
BUS AUDIO IN
AUDIO OUT
(CHASSIS)
DGND
12C_DATA
12C_CLK
MUTE
SEL
ADJ
VCC
OUT_F1
OUT_R2
OUT_F2
OUT_R1
D2
D1
C2
C1
B2
B1
AP2
AN
AP1
FIL
AGND
MUTING
MUTING
MUTING
MUTING
V
S
S
N
C
V
D
D
V
O
U
T
B/U-C
CLK-IN
RST
VCC
GND
DATA
OUT
OUT
IN
DATA
DATA
I/O
VREF
CLK
BATT
RST
BUS-ON
BUS-IN
BUS CONTROL IN
(FOR SONY BUS)
RESET
GND
+B.U
BUS-DATA
(CHASSIS)
(CHASSIS)
(2/2)
BUS-ON
BUS-CLK
SONY BUS
INTERFACE
GND
FL+
FL-
RL+
RL-
RR+
RR-
FR+
FR-
AMP-REM
ATT-REM
ACC
TEST
BATT
INPUT SELECT,
ELECTRICAL
VOLUME
Q722,724-726
B+ SWITCH
Q731,732
REGULATOR
CONTROL
SWITCH
CONTROL
SWITCH
Q450,451
MUTING
ACCESSORY
CHECK
B+ SWITCH
RESET SIGNAL
GENERATOR
B+ SWITCH
Q710,711
Q740,741
+5V REGULATOR
BATTERY
+9V REGULATOR
DETECT
FRONT LCH-
FRONT LCH+
REAR LCH+
REAR LCH-
REAR RCH+
REAR RCH-
FRONT RCH+
FRONT RCH-
AMP REM
ANT REM
ACC
GND
BATT
250µH
C522
470p
470p
C730
D731
C734
10
16V
MTZJ9.1C
1
D742
1SS133T
(Page 16)
XR-CA350X
18
18
5-5.
PRINTED WIRING BOARD – CONTROL Board –
Note: About the type ATA/type CAT, refer to servicing note (Page 2 “When replacing the front panel”).
D910
C-5
D911
C-6
D912
C-6
D914
C-7
D916
B-9
D918
C-5
D919
C-3
D920
C-4
D921
B-9
D922
C-9
D924
C-10
D930
C-10
D932
C-7
D934
B-2
D935
B-2
D936
C-2
D937
C-1
D940
E-3
D941
B-1
D942
B-1
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D943
B-10
D944
B-9
D960
E-2
D961
F-2
D962
D-4
D963
D-7
D964
E-10
IC900
E-5
D942
KA
D937
K
A
D936
A
K
D934
KA
D935
KA
D919
KA
D920
AK
D918
AK
D910
KA
D911
KA
D912
AK
D932
KA
D914
AK
D915
D921
KA
A
K
D916
KA
D930
A
K
AK
D924
K
A
D922
D933
CONTROL BOARD
(COMPONENT SIDE)
(11)
11
1-686-928-
S980
S958
S974
S959
S956
S979
S957
S975
S978
S955
S954
S951
S960
S961
S962
S963
S968
S965
S970
S977
S969
S976
S983
S971
S971
S973
S967
S982
D910 – 912, 914, 916,
D918 – 922, 924, 930, 932,
D934 – 937, 941 – 944
K
A
56
1
LCD1
LIQUID CRYSTAL DISPLAY
–
D934,
S957, 975
+
D935,
S958, 974
(VOLUME)
SOURCE
D941, 942, S959, 980
MODE
D937, S956, 979
SEL
D936, S955, 978
ATT
D919, S954
D932, S968
5
D920, S951
D918, S960
DISC –
1
D910, S961
DISC +
2
D911, S962
REP
3
D912, S963
SHUF
4
D914, S965
(TYPE ATA)
ATA
BTM
6
D922, S971, 982
D924, S973
OFF
D930, S967, 981
DPSL
D943, 944, S972, 983
EQ3
D916, S970, 977
m
.
–
+
>
M
D921, S969, 976
R955
D960
K
A
D961
K
A
D962
AK
R954
C952
C954
C955
C953
IC900
D963
K
A
R900
R911
R910
R905
R921
R920
R904
R903
R902
R901
D964
AK
R913
R912
R964
R963
R962
R960
R961
R914
R915
R916
R933
R935
R934
R932
R931
R930
CONTROL BOARD
(CONDUCTOR SIDE)
(11)
11
1-686-928-
1
20
21
40
41
60
61
80
CN900
1
11
2
12
A
MAIN BOARD
CN600
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
SEEK
SENS
A
K
D941
S981
D943
KA
R917
D944
R918
R967
R966
R965
D940
(LCD BACK LIGHT)
(TYPE CAT)
ATA/CAT
BTM
(Page 15)
Ver 1.3
XR-CA350X
19
19
5-6.
SCHEMATIC DIAGRAM – CONTROL Board –
•
See page 20 for Waveform.
Note: About the type ATA/type CAT, refer to servicing note (Page 2 “When replacing the front panel”).
R902
R903
R904
R905
D960
CN900
S973
D963
D961
D962
IC900
S963
S958
S974
S954
S957
S975
S970
S977
S976
S969
S960
S961
S962
S951
C954
C955
C952
R954
C953
R960
R961
R933
R930
R931
R910
R912
R914
R915
R920
R963
R955
R901
LCD1
S956
S979
S978
S955
S980
S959
S971
S982
S967
S981
S972
S983
D964
R900
S965
D930
D924
D912
D932
D919
D935
D934
D936
D937
D922
D910
S968
D914
D914
D918
D911
D920
D921
D916
D915
D933
D940
R935
R934
R932
R916
R913
R911
R921
R962
R964
D943
D944
R918
R917
D941
D942
R965
R966
R967
1k
1k
1k
1k
1SS355
12P
1SS355
1SS355
1SS355
LC75884W
0.047
0.047
680p
43k
0.47
220
220
100
100
100
100
100
100
100
100
220
0
1k
1SS355
0
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
(TYPE ATA)
(TYPE CAT)
-CD
CL-170SR
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
CL-170SR
-CD
120
120
NSPW310BST
330
82
100
270
270
82
270
220
150
CL-190SR-CD
CL-190SR-CD
100
100
CL-190SR-CD
CL-190SR-CD
180
220
220
C
OM
1
CO
M2
COM
3
CO
M
4
CO
M
1
COM
2
COM
3
COM
4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S
29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S
1
S
2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S1
4
S15
S16
S17
S18
S19
S
20
S21
S
22
S46
S47
S48
S49
S50
S51
S51
S50
S
49
S48
S47
S45
S46
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S23
S24
S25
S26
S27
S28
S29
S30
KS6
VDD
VLCD
VLCD1
VLCD2
VSS
TEST
OSC
DO
CE
CL
DI
S1
S2
S42
S41
S40
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S39
C
O
M
4
C
O
M
3
C
O
M
2
C
O
M
1
S
5
3
S
5
2
S
5
1
S
50
S4
9
S
4
8
S
4
7
S
46
S
4
5
S
44
S
4
3
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
1
0
S
1
1
S
1
2
S
1
3
S
1
4
S
15
S
1
6
S
17
S
18
S
1
9
S
2
0
S
2
1
S
22
LAMP+B
LAMP+B
GND
GND
BU+5V
(CHASSIS)
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
10
S
1
1
S
12
S
13
S
1
4
S
1
5
S
1
6
S
17
S
1
8
S
19
S
2
0
S
2
1
S
2
2
S
37
S
3
6
S
3
5
S
34
S
3
3
S
32
S
31
S
3
0
S
29
S
2
8
S
27
S
2
6
S
2
5
S
24
S
23
S
45
S
4
4
S
43
S38
S
4
2
S
41
S
40
S
3
9
S
38
C
O
M
4
CO
M
3
C
O
M
2
C
O
M
1
NOSE SW
LCD-RESET
LCD-CLK
LCD-DI(TX)
LCD-CE
LCD-DO(RX)
DISC -
1
MODE
DSPL
S958,974
ATT
OFF
SHUF
4
REP
3
DISC +
2
+
-
S969,976
S970,977
LIQUID CRYSTAL DISPLAY
LIQUID CRYSTAL
DISPLAY DRIVER
5
FRASH WRITE
RES
KI1
KI2
KI3
KI4
KI5
KS
5
KS
4
K
S
3
K
S
2
K
S
1
-(VOLUME)
+(VOLUME)
S
4
6
S
4
7
S
4
8
S
49
S
50
S5
1
SEL
S955,978
S956,979
S957,975
S959,980
S971,982
S967,981
S972,983
SOURCE
SEEK
EQ3
6
5
DSPL
OFF
REP
3
SHUF
4
6
ATA
DISC +
2
DISC -
1
ATT
+
-
SEEK
D916
D921
+
-
(VOLUME)
SEL
MODE
SENS
SENS
BTM
ATA/CAT
BTM
(TYPE CAT)
ATA/CAT
BTM
(TYPE ATA)
ATA
BTM
(LCD BACK LIGHT)
D943,944
EQ3
D941,942
SOURCE
4
(Page 16)
Ver 1.3
XR-CA350X
20
20
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC400
BD3803F-FE2
IC800
MM1175XFF
RESET
SWITCH
BATT
SWITCH
1
2
3
4
5
6
7
8
9
10
14
13
12
11
BUS ON
OUT
RESET
OUT
BATT
CLK
OUT
VREF
DATA
IN/OUT
GND
BATT
CHECK
CHECK
CLK
IN
IN
BUS ON
IN
IN
RESET
IN
IN
VCC
DATA IN
DATA OUT
22
DGND
21
SDA
20
SCL
19
MUTE
18
SEL
17
ADJ
16
VCC
15
OUTF1
14
OUTR1
13
OUTF2
12
OUTR2
6
B1
7
B2
8
C1
9
C2
10
D1
11
D2
1
2
C BUS
LOGIC
VCO
FADER
(0 ∼ –58,
–
∞
dB)
FADER
(0 ∼ –58,
–
∞
dB)
FADER
(0 ∼ –58,
–
∞
dB)
FADER
(0 ∼ –58,
–
∞
dB)
BASS, TREBLE, MIDDLE
(–15dB ∼ +15dB, 1dB STEP)
VOLUME
(+23 ∼ –79dB, –
∞
dB
1dB STEP)
INPUT GAIN
(0 ∼ 15dB, 1dB STEP)
MUTE
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
BASS, TREBLE, MIDDLE
(–15dB ∼ +15dB, 1dB STEP)
VOLUME
(+23 ∼ –79dB, –
∞
dB
1dB STEP)
INPUT GAIN
(0 ∼ 15dB, 1dB STEP)
MUTE
1
A
GND
2
VCC/2
FIL
3
AP1
4
AN
5
AP2
TONE
PASS
PASS
TONE
PASS
PASS
• Waveforms
– MAIN Board –
– MAIN Board –
4
IC900
ud
(OSC)
1
IC1
qs
(OSC2)
2
IC1
qh
(XO)
3.1 Vp-p
54.3 ns
5.1 Vp-p
30.5
µ
s
– CONTROL Board –
2.4 Vp-p
21.1
µ
s
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