Sony CDX-C4900R / CDX-C5000R / CDX-C5000RX Service Manual ▷ View online
21
• IC501 MB90574PMT-G-266-BND (SYSTEM CONTROL) (MAIN BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
TUNON
O
Tuner power control output (+5 V)
2
—
—
Not used. (Open)
3
BUSON
O
SONY-BUS ON control output
4 – 6
—
—
Not used. (Open)
7
ILLON
O
Illumination power control output
8
VCC
—
Power supply pin (+5 V)
9
E2P SIO
I/O
E
2
P SONY-BUS serial data input/output
10
E2P CKO
I/O
E
2
P SONY-BUS serial clock input/output
11
SYSRST
O
SONY-BUS system reset output
12
DOORSW (WRITE OUT)
I
DOOR OPEN/CLOSE detection input (“L”: CLOSE, “H”: OPEN)
13
LCDSO (WRITE IN)
O
LCD serial data output
14
LCDCKO
O
LCD serial clock output
15
LCDCE
O
LCD chip enable output
16
BEEP
O
BEEP output
17
UNISI
I
SONY-BUS serial data input
18
UNISO
O
SONY-BUS serial data output
19
UNICKO
O
SONY-BUS serial clock output
20
UNICKI
I
SONY-BUS serial clock input
21
CD MD
I
CD/MD select input (“L”: CD, “H”: MD) (Fixed at “L” in this set)
22
FLASHW
I
Flash memory write mode detection input
23
—
—
Not used. (Open)
24
SIRCS
I
Remote commander (infrared ray reception) input
25 – 28
—
—
Not used. (Open)
29
DOORIND
O
DOOR indicator output
30
IFWIDTH
O
Not used in this set.
31
—
—
Not used. (Open)
32
NS MASK
O
Noise mask output
33
VSS
—
Ground
34
C
—
Condenser connection pin of power stabilization.
35
AD ON
O
Power control output for A/D converter.
36, 37
REIN0, 1
I
Rotary encoder 0, 1 input
38
DVCC
—
D/A converter Vref pin (+5 V)
39
DVSS
—
D/A converter ground pin
40, 41
—
—
Not used. (Open)
42
AVCC
—
Analog power supply pin (+5 V)
43
AVRH
—
A/D converter Vref+ pin (+5 V)
44
AVRL
—
A/D converter Vref– pin
45
AVSS
—
Analog ground
46, 47
KEYIN0, 1
I
Key 0, 1 input
48
RCIN0
I
Rotary commander key input
49
DSTSEL
I
Destination setting input (Fixed at “L” in this set)
50
QUALITY
I
Noise detection input
51
FMAGC
I
FM AGC detection input
52
MPTH
I
Multi path detection input
53
VSM
I
Signal meter detection input
54
VCC
—
Power supply pin (+5 V)
55
RAMBU
I
RAM reset detection input
56
TUNATT
O
TUNER mute control output
57
VOLATT
O
Electric volume mute output
58
ATT
O
LINE mute output
59
AMPON
O
Power amplifier standby control output
60
AMPATT
O
Power amplifier mute control output
22
Pin No.
Pin Name
I/O
Pin Description
61
COLSW
I
Illumination color switch input (“L”: 2 colors, “H”: 1 color) (Fixed at “L” in
CDX-C4900R/C5000R, “H” in CDX-C5000RX)
62
COLSEL
I
Illumination color select input (“L”: AMBER, “H”: GREEN) (Fixed at “L” in this set)
63
VSS
—
Ground
64
DAVN
I
Block synchronization detection input of RDS data.
65
FILE
I
Custom file setting input
66
TEXT
I
CD text setting input
67
NOSESW
I
Front panel attachment detection input
68, 69
—
—
Not used. (Open)
70
I2C SIO
I/O
I
2
C BUS serial data input/output
71
I2C CKO
I/O
I
2
C BUS serial clock input/output
72
—
—
Not used. (Open)
73
X1A
—
Low speed oscillation connecting pin (32.768 kHz)
74
X0A
—
Low speed oscillation connecting pin (32.768 kHz)
75
—
—
Not used. (Open)
76
KEYACK
I
Key acknowledge input
77
BUIN
I
Backup voltage detection input
78
ILLIN
I
Illumination (ILLIN) detection input (Fixed at “L” in this set)
79
TELATT
I
Telephone (TEL) detection input (Fixed at “L” in CDX-C4900R)
80
—
—
Not used. (Open)
81
TEST IN
I
Test mode setting input
82
ACC IN
I
Accessory power supply (ACC) detection input
83
—
—
Not used. (Open)
84
LOCKIN
I
MD LOCK detection input
85
RCIN1
I
Rotary commander SHIFT input
86
HSTX
I
Hardware standby setting input
87
MD2
I
Connect to VSS in this set.
88, 89
MD1, 0
I
Connect to VCC in this set.
90
RSTX
I
Reset input
91
VSS
—
Ground
92
X0
—
High speed oscillation connecting pin (3.68 MHz)
93
X1
—
High speed oscillation connecting pin (3.68 MHz)
94
VCC
—
Power supply pin (+5 V)
95 – 97
—
—
Not used. (Open)
98
DIM SEL
I
Dimmer select input (“L”: With dimmer select, “H”: Without dimmer select)
(Fixed at “L” in this set)
99
TAP CD
I
TAPE/CD select input (“L”: CD, “H”: TAPE) (Fixed at “L” in this set)
100 – 118
—
—
Not used. (Open)
119
VSS
—
Ground
120
PW ON
O
System power control output
23
23
04
I-V
CONV.
FOCUS
ERROR
DIGITAL
CLV
SUB
CODE
PROCESS
TRACKING
ERROR
LD
DRIVE
Q101
FOCUS
COIL
DRIVE
RF
EQ
EQ
EFM
DEM
D/A
I/F
D/A
CONV.
RFO
RFAC
LOUT1
FE
TE
SE
RFDC
FFDR
FRDR
TFDR
SFDR
SRDR
MDP
TRDR
TE
FE
E
D
B
C
A
F
11
10
PD
4
LD
3
7
6
8
13
14
16
LD
AMP
LD ON
HOLD SW
AGC CONT
22
21
20
5
RF AMP, LD APC,
ERROR AMP
IC1
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC501
TRACKING/FOCUS COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
IC7
10
11
22
21
TRACKING
COIL
DRIVE
8
9
25
24
SLED
MOTOR
DRIVE
6
7
31
32
32
FOCUS
COIL
TRACKING
COIL
M902
SLED
MOTOR
SPINDLE
MOTOR
DRIVE
12
13
18
M901
SPINDLE
MOTOR
LOADING
MOTOR
DRIVE
5
4
1
2
34
35
M903
LOADING
MOTOR
MUTE 1
MUTE 2
42
43
40
41
38
39
35
52
51
50
61
92
LOUT2
95
SQSO
6
SQCK
7
SCOR
MD2
24
73
XRST 11
DATA 13
DATA 13
XLAT 14
SCLK 17
CLOK 15
SENS 16
SENS 16
GFS 22
FOK 32
FOK 32
XTALI 86
XTALO 87
LOCK
34
54
SERVO
CTL
X2
16MHz
SW4
(LIMIT)
SW1
(DISC IN)
SW3
(LOAD IN)
BATT
SW2
(SELF)
POWER
CONT
Q363
POWER
CONT
Q365
11V REG
Q361
6V REG
Q362
5V REG
Q364
CD 5V
CD 6V
LM EJ
69
LM LOD
66
SLED –
40
DRIVE ON
70
LD ON
20
HOLD
22
AGC CONT
23
CD ON
18
CDM ON
17
SSTP
11
FOK
54
GFS
55
SENS
57
CD CKO
65
SCLK
45
CD XLAT
68
CD DATA
67
CD RST
21
MD2
71
SCOR
64
SCK2
(KEY BOARD)
48
SI2
49
LOCK
CD L
R-CH
46
D SW
10
IN SW
64
SELF SW
63
CD SYSTEM CONTROL
IC5
SYSTEM CONTROL
IC501 (1/3)
BUS CLK 51
A MUT 19
OPEN 6
BUS SI 52
X IN 31
X OUT 32
BUS SO 53
LNK OFF 8
X1
10MHz
TUNER
SECTION
A
ATT
TUNER
SECTION
B
SIRCS
DISPLAY
SECTION
SECTION
C
BUS ON 61
RESET 30
BU IN 60
SW503
(RESET)
HSTX
RESET
1
3
IC652
BU 5V
BATT (H)
CHECK
Q701
BATT (L)
CHECK
BATT
86
RSTX
90
BU IN
77
SYS RST
11
BUS ON
3
UNI SO
18
UNI SI
17
UNI CKO
19
UNI CKI
20
DOOR SW
12
ATT
58
BATT
10
3
RESET
13
2
RESET
12
9
8
8
1
4
6
BUS INTERFACE
IC701
CLK
DATA
Q706
5
4
6
2
1
3
8
7
CN701
BUS
CONTROL IN
Q705
A
C
B
D
E
F
PD
LD
OPTICAL PICKUP
KSS-720A
• Signal path
:CD
CDX-C4900R/C5000R/C5000RX
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 24)
(Page 24)
(Page 25)
24
24
J1
(ANTENNA)
2
10
1
ANTFM
MPX
CDL
8
AM DET
19
IF AM
14
S-METER
12
I2C SDA
13
I2C SCL
9
RDS DET
4
FM AGC
17
E2PROM SDA
18
E2PROM SCL
ANTAM
TUNER UNIT
TU1
BUFFER
Q1
MUTE
CONT
Q131
NOISE
DET
5
1
IC90
Q90
NOISE ON
Q111
MUTE
Q121
MUTE
56
50
32
53
70
71
57
12
14
15
20
21
18
11
13
1
3
30
SYSTEM CONTROL
IC501 (2/3)
ELECTRONIC VOLUME
IC151
FDIL
OUT LF
29
OUT LR
16
BEEP
59
AMP ON
60
AMP MUTE
79
TEL ATT
82
ACC IN
SEL
MPX
AM
AM IF
LEVEL
MPIN
SDA
SCL
SM
VOL ATT
TUN ATT
QUALITY
NS MASK
VSM
I2C SIO
I2C CKO
MPTH
DAVN
FM AGC
E2P SIO
E2P CKO
R-CH
–1
L
–2
R
BUS AUDIO IN
R-CH
–3
L
–4
R
AUDIO OUT REAR
CD
SECTION
A
MUTE
CONT
Q621, 622
Q181
MUTE
Q171
MUTE
CNJ151–3, –4
R
-CH
–5
L
–6
R
AUDIO OUT FRONT
CNJ151–1, –2
ATT
CD
SECTION
B
22 MUTE
4 STAND BY
16 AUX IN
11
12
5
3
9
8
POWER AMP
IC611
1
9
2
10
CN601
FL+
FL–
RL+
RL–
4
12
FR+
FR–
3
11
RR+
RR–
16 BATT
13 ATT
5 AMP R
6 ANT R
R-CH
BATT
F901
C5000R/C5000RX
TEL
ATT
ATT
Q571
7 ACC
15 TEST
1
TU ON
81
TEST IN
ACC
CHECK
Q661
POWER SUPPLY
IC671
3
120
PW ON
4
2
7
6
BATT
VCC
AMP +B
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
52
64
51
MPX
OSCO
OSCI
SDA
SCA
X51
4.332MHz
04
10
9
RDS DECODER
IC51
C5000R/C5000RX
CNJ151–5, –6
• Signal path
:FM
:MW
:CD
3-3. BLOCK DIAGRAM — TUNER SECTION —
CDX-C4900R/C5000R/C5000RX
(Page 23)
(Page 23)
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