Sony CDX-L350 / CDX-L360 Service Manual ▷ View online
13
CDX-L350/L360
SECTION 3
DIAGRAMS
3-1. IC PIN DESCRIPTION
• IC501 MN101C49KTD (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
VREF–
—
REF voltage – for A/D converter
2
VSM
I
S-meter voltage detection input
3
NIL
—
Not used. (Connect to ground in this set.)
4
KEY IN1
I
Key input 1
5
KEY IN0
I
Key input 0
6
RC IN0
I
Rotary commander input 0
7
QUALITY
I
Noise detection input
8
MPTH
I
Tuner multi-pass detection input
9
NIL
—
Not used. (Connect to ground in this set.)
10
VREF+
—
REF voltage + for A/D converter (+5 V)
11
VDD
—
Power supply pin (+5 V)
12
OSC OUT
O
Oscillator output (18.432 MHz)
13
OSC IN
I
Oscillator input (18.432 MHz)
14
VSS
—
Ground
15
X IN
I
Oscillator input (32.768 kHz)
16
X OUT
O
Oscillator output (32.768 kHz)
17
MMOD
—
Mode selector (Connect to ground in this set.)
18
LCD SO
O
LCD serial data output
19
LCD CE
O
LCD chip enable output
20
LCD CKO
I
LCD serial clock input
21
CD TSO
O
CD text serial data output
22
CD TSI
I
CD text serial data input
23
CD TCKO
O
CD text serial clock output
24
NIL
—
Not used. (Open)
25
NIL
—
Not used. (Open)
26
KEY ACK
I
Key acknowledge detection input
27
DAVN
I
RDS data block sync. detection input
28
BU IN
I
Back-up power detection input
29
NIL
I
Not used. (Connect to ground in this set.)
30
CD SELFSW
I
CD self SW input
31
CD PACK
I
CD pack sync. signal input
32
NIL
—
Not used. (Connect to ground in this set.)
33
RESET
I
Reset input
34
NIL
—
Not used. (Connect to ground in this set.)
35
BEEP
O
Beep output
36
NIL
—
Not used. (Open)
37
TEST IN
I
Test mode detection input
38
ACC IN
I
Accessory power detection input
39
NIL
—
Not used. (Open)
40
TEL ATT
I
Telephone attenuate detection input
41
NIL
—
Not used. (Connect to VDD in this set.)
42
UNI SO
O
SONY BUS data output
43
UNI SI
I
SONY BUS data input
44
UNI CKO
O
SONY BUS clock output
45
I2C SIO
I/O
I2C BUS serial data input/output
46
NIL
—
Not used. (Open)
47
I2C CKO
O
I2C BUS serial clock output
48
NIL
—
Not used. (Open)
49
TUN ON
O
Tuner power control output
50
PW ON
O
System power control output
51
CD TSTB
O
CD text strobe output
14
CDX-L350/L360
Pin No.
Pin Name
I/O
Pin Description
52
CD RFOK
I
CD RFOK signal input
53
CD XRST
O
CD reset signal output
54
CD A0
O
CD command/parameter signal input
55
CD STB
O
CD strobe signal output
56
CD XTAL EN
O
CD crystal oscillator control output
57
CD LIMIT
I
CD limit SW input
58
CD PH1
I
CD photo-sensor 1 input
59
CD DSW
I
CD down SW input
60
CD INSW/PH2
I
CD disc-in SW input
61
NIL
—
Not used. (Connect to VDD in this set.)
62
CD LM LO
O
Loading motor control output (Loading direction)
63
CD LM EJ
O
Loading motor control output (Eject direction)
64
NIL
—
Not used. (Open)
65
NIL
—
Not used. (Open)
66
AMP ATT
O
Power amplifier attenuator control output
67
AMP ON
O
Power amplifier standby control output
68
CD MD ON
O
CD mechanism power control output
69
ATT
O
System attenuate control output
70
VOL ATT
O
Electronic volume attenuate control output
71
NIL
—
Not used. (Open)
72
NIL
—
Not used. (Open)
73
NIL
—
Not used. (Open)
74
NIL
—
Not used. (Open)
75
NIL
—
Not used. (Open)
76
NIL
—
Not used. (Connect to ground in this set.)
77
NIL
—
Not used. (Connect to ground in this set.)
78
NIL
—
Not used. (Open)
79
CD ON
O
CD power control output
80
NIL
—
Not used. (Open)
81
NIL
—
Not used. (Open)
82
NIL
—
Not used. (Open)
83
NIL
—
Not used. (Open)
84
NIL
—
Not used. (Open)
85
NIL
—
Not used. (Open)
86
EE SIO
I/O
EEPROM serial data input/output
87
EE CKO
O
EEPROM serial clock output
88
NIL
—
Not used. (Open)
89
FLASH W
I
Flash write input
90
NS MASK
O
Noise detection output
91
XKEY ON
O
Key power control output
92
NIL
—
Not used. (Open)
93
ILL ON
O
Illumination power control output
94
NOSE SW
I
Nose detection SW input
95
DAVSS
—
Ground for D/A converter
96
NIL
—
Not used. (Open)
97
NIL
—
Not used. (Open)
98
RC IN1
I
Rotary commander input 1
99
NIL
—
Not used. (Connect to ground in this set.)
100
DAVDD
—
D/A converter power supply pin (+5 V)
15
15
CDX-L350/L360
82
83
84
85
16
12
D/A
CONV
TRACKING
ERROR
FORCUS
ERROR
9
1
OSC
EFM
DEMOD
SERVO
CTL
RF
EQ
EQ
52
56
DSUB CODE
PROCESS
8
7
6
5
4
3
2
56
60
30
57
59
68
79
31
51
21
22
23
55
54
53
52
I/F
87
86
97
98
LD
DRIVE
Q1
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
LOADING
MOTOR
DRIVE
6
5
23
2
15
16
17
18
13
14
11
12
9
10
26
62 63 64 65
63
62
33
POWER
CONTROL
Q332
POWER
CONTROL
Q333
REG
Q331
REG
Q341
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
SW3
(LIMIT)
SW2
(SELF)
SW4
(DOWN)
SW1
(DISC IN)
X1
16.9344MHz
OPTICAL PICK-UP
KSS-720A
I-V
CONV.
CDL
CD PACK
TSTB
STB
AO
CD TSO
CD TSI
CD TCKO
CD RST
RFOK
XEN
IN SW
LIMIT
CD SELF SW
D SW
CD LM LO
CD LM EJ
CDMD ON
XCD ON
R-CH
TUNER
SECTION
A
23
24
M
M
M
1
RESET
S702
RESET
3
IC602
BU 5V
BATT
LOUT
ROUT
PACK
TSTB
SI
RFOK
SO
SCK
STB
AO
XTALEN
RST
RESET
A
C
B
D
E
F
PD
LD
A
C
B
D
E
F
PD
LD
LD AMP
FOCUS
COIL
TRACKING
COIL
FD
TD
SD
MD
LOAD
EJECT
SYSTEM CONTROL
IC501(1/3)
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC1
FOCUS/TRACKING COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
IC2
FD
TD
SD
MD
•
Signal path
:CD
A5V
AU5V
D5V
DR6V
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 16)
16
16
CDX-L350/L360
J10
(ANTENNA)
2
10
1
ANTFM
MPX
CDL
8
AM DET
14
S-METER
12
I2C SDA
13
I2C SCL
9
RDS DET
17
E2PROM SDA
18
E2PROM SCL
ANTAM
TUNER UNIT
TU10
FM BUFFER
Q21
NOISE
SUPPRESSOR
6
1
IC20
Q22
NOISE
SUPPRESSOR
ON
7
90
2
45
47
70
14
15
20
21
18
11
13
1
30
SYSTEM CONTROL
IC501 (2/3)
ELECTRONIC VOLUME
IC401
OUT FL
29
OUT RL
35
BEEP
ATT
67
69
AMP ON
66
AMP ATT
40
TEL ATT
38
ACC IN
SE L
MPX
AM
LEVEL
MPIN
SDA
SCL
SM
VOL ATT
QUALITY
NS MASK
VSM
I2C SIO
I2C CKO
MPTH
DAVN
E2P SIO
E2P CKO
CD
SECTION
A
MUTE
CONT
Q478,479
Q451
MUTE
Q431
MUTE
22 MUTE
4 STBY
16 AUX
11
12
5
3
9
7
POWER AMP
IC404
1
9
2
10
CNP601
FL+
FL
–
RL+
RL
–
4
12
FR+
FR
–
3
11
RR+
RR
–
16 BATT
13 ATT
6 ANT R
R-CH
BATT
F901
TEL
ATT
ATT
Q651
7 ACC
15 TEST
49
50
TUN ON
37
TEST IN
ACC
CHECK
Q631
POWER SUPPLY
IC601
3
PW ON
28
BU IN
4
2
7
BATT
BATT
BATT
VCC
8
ANT +B
9
COM 8V
10
TU 5.6V
11
TU 8.7V
COM 8V
5
BU+B
BU 5V
TU 5.6V
TU 8.7V
8.7V ON
5.6V ON
STB
9
20
2
10
MULTI
PATH
DET
LV IN
16
4
5
8
RDS/RDBS
DEM/DEC
8
27
MPX
OSCO
OSCI
SDA
SCL
X51
4.332MHz
87
86
RDS DECODER
IC51
•
Signal path
:FM
:MW
:CD
BATT DET
Q551,557
BATT DET
Q556
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 15)
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