Sony CDX-L350 / CDX-L360 Service Manual ▷ View online
25
25
CDX-L350/L360
3-12. SCHEMATIC DIAGRAM — KEY SECTION —
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
(Page 23)
26
26
CDX-L350/L360
76
75
AGCI
AGCO
74
RFI
73
C3T
72
ASY
71
EFM
70
AVDD
69
7E DAC3
68
7D DAC2
67
7C DAC1
66
7F DAC0
65
MD
64
SD
63
TD
62
FD
60
ATEST
59
TEST1
58
TEST0
57
DGND
56
TSTB
55
TSCK
54
TSI
53
TSO
52
PACK
51
DVDD
61
AGND
1
DGND
2
RFOK
3
RST
4
A0
5
STB
6
SCK
7
SO
8
SI
9
XTALEN
10
DVDD
11
DAVDD
12
ROUT
13
DAGND
REGC
16
LOUT
17
DAVDD
18
R+
19
R
–
20
L+
21
L
–
22
XVDD
23
XTAL
24
XTAL
25
XGND
15
14
DAGND
77
RFO
78
EQ2
79
EQ1
80
RF-
81
AGND
82
A
83
C
84
B
85
D
86
F
87
E
88
AVDD
89
REFOUT
90
FE-
91
FEO
92
TE-
93
TEO
94
TE2
95
AGND
TEC
96
PD 97
98
LD
PN 99
100
AVDD
50 C2D3
49 C2D2
48 C2D1
47 C1D2
46 C1D1
45 DGND
44 PLCK
43 MIRR/WFCK
42 RFCK
41 LOCK
40 DVDD
39 TSOI
38 C16M
37 DGND
36 TX
35 HOLD/WDCK
34 LRCK
33 LRCKIN
32 SCKO
31 SCKIN
30 DOUT
29
28
DIN
FLAG
27 EMPH
26 DVDD
EFM
COMPARATOR
EFM
EFM
DEFECT
FOK
A3T
MIRR
FEO
TEO
TEOFS
FEOFS
RF
AMP BLOCK
SWITCH
MICROCOMPUTER INTERFACE
SCF
OSC
FOCUS
REGISTER
TRACKING
REGISTER
OCTUPLED
OVERSAMPLING DIGITAL FILTER
NOISE SHAVER
OUTPUT BUFFER
NOISE SHAVER
OUTPUT BUFFER
DE-EMPHASIS CIRCUIT
D/A
INTERFACE
CIRCUIT
OUTPUT PROCESSOR
DIGITAL
AUDIO
INTERFACE
DIGITAL PLL
TIMING GENERATOR
EFM DEMODULATOR
ERROR
CORRECTION
PROCESSOR
MICROCOMPUTER INTERFACE
CD-TEXT DECODER
SUB-CODE PROCESSOR
16K
SRAM
D/A
AUTO GAIN
CONTROLLER
FD/TD/SD/MD
CONTROLLER
CONTROLLER
ADDER
SVDRAM
MULTIPLIER
SVCRAM
SVROM
ROM
DECODER
CLV
PROCESSOR
DEFECT
COMPARATOR
RFENV
MIRENV
A/D CONVERTER
MEMORY
PROCESSOR
COMPARATOR
IC51 SAA6588T
IC1 µPD63711GC-8EB
• IC Block Diagrams
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
+
–
+
–
+
–
+
–
OVER VOLTAGE
PROTECT
REGULATOR
1
2 3 4
5
6
7
8
9
10
12
11
NC
MODE2
MODE1
STB
VDD
AMP
VCC
ANT
COM
AM
FM
GND
IC601 BA4908-V3
IC2 BA5810FP
1
FWD
+
–
+
–
+
–
2
REV
LOADING PRE
FWD REV
3
LDCONT
6
IN2
7
PREVCC
8
POWVCC
VOL–
VOL+
IN1
4
PS
+
–
LEVEL
SHIFT
+
–
+
–
LEVEL
SHIFT
LEVEL
SHIFT
+
–
POWER
SAVE
CH1-4
MUTE
X3
9
10
11
VO2–
12
VO2+
13
VO1–
14
VO1+
5
BIAS
OPIN4+
OPIN4–
OPIN3–
OPOUT3
MUTE
POWVCC
GND
OPIN3+
OPOUT4
VO3–
VO3+
VO4–
VO4+
7.5k
7.5k
16k
16k
7.5k
7.5k
16k
16k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
+
–
+
–
+
–
LEVEL
SHIFT
+
–
+
–
+
–
10k
10k
10k
10k
+
–
28
27
26
23
22
21
25
20
19
18
17
16
15
24
POWVCC34
(CH3,CH4)
PREVCC
(PRE.LOADING)
POWVCC12
(CH1.CH2)
27
CDX-L350/L360
IC401 TDA7402TR
33
34
35
36
37
38
39
40
41
42
43
44
1 2 3 4 5 6 7 8 9 10 11
28 27
30 29
32 31
MONO
FADER
MONO
FADER
MONO
FADER
SUBWOOFER
+PHASE
CONTROL
MIXER
OUTPUT CONTROL
LP
HP
BASS
TRABLE
VOLUME
SOFT MUTE
MUTE
IN GAIN
BEEP
PLL
PIL, DET
LOUDNESS
LOUDNESS
COMPANDER
IN GAIN
+ AUTO
ZERO
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
SECOND SOURCE
SELECTOR
II
C-BUS
DIGITAL
CONTROL
DEMODULATOR
+STEREO ADJUST
+STEREO BLAND
PILOT
CANCELLATION
LP
MALTI
PATH
DETECTOR
AM/FM
NOISE
BLANKER
PULSE
FORMER
SUPPLY
LP
S & H
HIGH OUT
QUAL.
D/A
12
13
14
15
16
17
18
19
22
21
20
INPUT MULTIPLEXER
CD L
CD R
AUX L
SE2L
AUX R
SE2R
FD2L+
FD2L–
FD2R+
FD2R–
AM
MD2G
MD2
MD1G (SE4R)
MD1 (SE4L)
MUX
VREF
AC OUTL
AC OUTR
SWINL
SWINR
ACINLF
ACINLR
ACINLR
ACINRR
OUTLF
OUTLR
OUTRF
OUTRR
OUTSWL
OUTSWR
OUTSSL
OUTSSR
26 25
24 23
AMIF
MPX
LEVEL
MP IN
MP OUT
QUAL
MUTE
GND
SDA
SCL
VDD
VOICE
BANDPASS
28
CDX-L350/L360
4
5
6
8
8
15
#1
F901
TU10
#1
#1
#2
#3
#5
#4
#4
MG-393X-121//Q
#1
#1
#1
16
#1
#2
#3
#2
1
3
2
#1
#1
7
9
10
11
12
13
14
SECTION 4
EXPLODED VIEWS
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories and packing materials and
hardware (# mark) list are given in
the last of this parts list.
the last of this parts list.
The components identified by
mark 0 or dotted line with mark.
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark.
0 are critical for safety.
Replace only with part number
specified.
Ref. No.
Part No.
Description
Remark
4-1. CHASSIS SECTION
R
Ref. No.
Part No.
Description
Remark
R
1
X-3380-162-1 PANEL SUB ASSY, SUB
2
3-042-244-11 SCREW (T)
3
X-3379-876-1 LOCK ASSY (S)
* 4
3-223-782-01 COVER
5
1-776-527-81 CORD (WITH CONNECTOR) (ISO) (POWER)
* 6
3-041-012-01 BRACKET (CD)
* 7
A-3326-804-A MAIN BOARD, COMPLETE (L360)
* 7
A-3326-805-A MAIN BOARD, COMPLETE (L350)
8
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
* 9
3-225-136-01 HEAT SINK (REG)
* 10
3-225-271-01 CHASSIS (BACK)
* 11
3-040-998-01 BRACKET (IC)
* 12
3-225-135-01 HEAT SINK
* 13
3-045-877-01 CUSHION (TU)
* 14
3-045-878-01 PLATE (TU), GROUND
* 15
3-225-133-01 CHASSIS
16
3-231-821-01 INSULATOR
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU10
A-3282-061-A TUNER UNIT (TUX-020)
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