Sony XR-CA400 / XR-CA410 Service Manual ▷ View online
13
XR-CA400/CA410
2.6 Vp-p
27.4
µ
s
3.4 Vp-p
54.4 ns
5 Vp-p
232 ns
2.3 Vp-p
30.8
µ
s
SECTION 6
DIAGRAMS
6-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW/LW
〈〈
〉〉
: TAPE PLAYBACK
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: MW/LW
E
: TAPE PLAYBACK
L
: BUS AUDIO IN
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
• Waveforms
– MAIN Board –
– MAIN Board –
1
IC51
4
(OSCO)
2
IC501
qs
(OSCOUT)
3
IC501
qh
(XOUT)
– KEY Board –
4
IC901
y;
(OSC)
14
XR-CA400/CA410
SCOUT
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD
PSWN
SCL
2
1
6
15
11
13
16
14
12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
18
CIN
19
LVIN
20
8
7
DATA
CLOCK
DATA
CLOCK
4
4
5
9
10
3
4
5
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC51
SAA6588T-118
IC301
CXA2509AQ-T4
+
–
–
+
–
+
–
+
–
+ –
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
26
27
28
29
30
31
32
33
34
37
38
39
40
24
25
PBFB1
PBRIN1
PBREF1
PBFIN1
35
36
PBGND
VCT
PBFIN2
PBREF2
PBRIN2
PBFB2
PBEQ1
PBOUT1
VCC
TAPEIN1
AUXIN1
MSLPF
LINEOUT1
NC
NC
G2FB
G1FB
MSTC
DGND
MSOUT
NC
NC
INSW
TAPESW
MSMODE
DRSW
MSSW
NC
NC
LINEOUT2
DIREF
AUXIN2
TAPEIN2
PBEQ2
PBOUT2
GND
F2
120
µ
/70
µ
X1
X1
VCT
+
F1
120
µ
/70
µ
24dB
F3
LPF
VCC
DETECT
MS ON/
OFF
FWD/RVS
TAPE EQ
TAPE/AUX
NR BIAS
24dB
MS
MODE
T2
T1
XR-CA400/CA410
15
15
+
–
+
–
+
–
+
–
OVER VOLTAGE
PROTECT
REGULATOR
1
2 3 4
5
6
7
8
9
10
12
11
NC
TUNER8.7 ANT SW
TUNER5.6 SW
STB
VDD5.6V
AMP
VCC
ANT
COM8.7V
TUNER5.6V
TUNER8.7V
GND
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
1
2
2
3
4
5
6
7
8
9
10
VCC
IN2
S-GND
IN1
NC
NC
OUT2
NC
P-GND
OUT1
CONTROL
CIRCUIT
MOTOR
DRIVE
CIRCUIT
BUFFER
BUFFER
IC331
TDA7402TR
IC351
LB1930M-TLM
IC581
MM1175XFF
IC611
BA4908-V3
34
35
36
37
38
39
40
41
42
43
44
33 32 31
30
29
28
27
26
25
24 23
22
21
20
19
18
16
15
14
13
12
1 2
3 4 5 6
7 8 9 10
11
INPUT
MULTIPLEXER
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
SECOND SOURCE
SELECTOR
MAIN
PHONO
MAIN
CH0
AUX
AM
FM
IN-GAIN
+AUTO ZERO
+
LOUDNESS
SOFTMUTE
VOLUME
TREBLE
BASS
HP
LP
COMPANDER
VOICE
BANDPASS
MUTE
IN-GAIN
LOUDNESS
DIGITAL CONTROL
IIC-BUS
HIGH-CUT
S&H
25kHz
LP
DEMODULATOR
+STEREO ADJUST
+STEREO BLAND
MULTIPATH
DETECTOR
D/A
CONVERTER
PILOT
CANCELATION
PIL DET
PLL
AM/FM
NOISE BLANKER
BEEP
80kHz
LP
17
PULSE
FORMER
QUAL
SUPPLY
SECOND
MAIN
ACIN
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
SUBWOOFER
+PHASE
CONTROL
MIXER
OUTPUT
SELECTOR
FRONT
REAR
SW
VDD
SCL
SDA
GND
SM
QUAL
MPOUT
MPIN
LEVEL
MPX
AMIF
SEL
SER
FD1L+
FD1L
–
FD1R+
FD1R
–
FD2L+
FD2L
–
FD2R+
FD2R
–
AM
ACINLF
SWINR
SWINL
ACOUTR
ACOUTL
CREF
MUX
MD1
MD1G
MD2
MD2G
ACINLR
ACINRF
ACINRR
OUTLF
OUTLR
OUTRF
OUTRR
OUTSWL
OUTSWR
OUTSSL
OUTSSR
XR-CA400/CA410
16
16
18
9
10
11
12
13
14
15
16
4
5
6
7
8
17
F781
CN781
(FRONT VIEW)
BUS CONTROL
IN
AUDIO OUT
REAR
REMOTE IN
BUS AUDIO
IN
7
4
8
17
18
5
6
12
11
10
9
13
14
15
16
9
10
11
12
13
14
15
16
4
5
6
7
8
18
17
VIO
GRY
WHT
GRN
BLU
BLU/WHT
GRN/BLK
WHT/BLK
GRY/BLK
VIO/BLK
REAR RCH+
FRONT RCH+
FRONT LCH+
REAR LCH+
FRONT RCH+
FRONT LCH+
REAR LCH+
REAR LCH–
FRONT LCH–
FRONT RCH–
REAR RCH–
FRONT LCH–
FRONT RCH–
REAR RCH–
TEL ATT
AMP REM
BLU
RED
RED
ANT REM
ACC
ACC
BLK
YEL
YEL
GND
BATT
BATT
(SUPPLIED WITH ONLY SOUTH EUROPEAN MODEL)
C510
C511
6-2.
PRINTED WIRING BOARD – MAIN Board –
D733
C-10
D734
D-9
D781
D-11
IC51
J-2
IC90
E-2
IC301
G-4
IC331
D-4
IC351
I-13
IC501
I-7
IC551
K-10
IC581
D-11
IC611
F-14
IC751
A-7
Q90
I-5
Q91
F-2
Q171
B-5
Q181
B-4
Q271
B-5
Q281
B-4
Q351
H-12
Q352
I-12
Q353
H-12
Q354
G-12
Q551
I-10
Q571
H-10
Q581
E-12
Q583
G-9
Q601
J-13
Q602
J-13
Q621
D-7
Q622
D-7
Ref. No.
Location
Ref. No.
Location
D1
F-5
D51
H-5
D55
J-7
D90
F-2
D91
F-3
D92
I-5
D351
H-12
D352
G-13
D502
F-9
D552
F-12
D553
H-5
D581
E-12
D582
D-13
D585
D-12
D586
B-13
D610
E-12
D611
E-12
D613
D-10
D622
D-8
D703
K-3
D704
K-3
D705
K-4
D706
K-4
D707
K-3
D708
K-3
D709
K-3
D710
K-2
D721
D-9
D722
D-9
D723
D-9
D724
C-8
D731
D-8
D732
C-8
• Semiconductor Location
(Page 20)
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