Sony CDX-454RF / CDX-454XRF Service Manual ▷ View online
34
CDX-454RF/454XRF
– MAIN Board –
IC101
CDX2598Q
IC301
LB1930M-TLM
81
80
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
99
97
98
TIMING
LOGIC
CLOCK
GENERATOR
D/A
INTERFACE
DIGITAL
OUT
32k
RAM
ERROR
CORRECTOR
OVER SAMPLING
DIGITAL FILTER
3rd-ORDER
NOISE SHAPER
LOW-PASS
FILTER
VC
VC
DIGITAL
CLV
MIRR
DFCT
FOK
SERVO
AUTO
SEQUENCER
SERVO
INTERFACE
DIGITAL
PLL
EFM
DEMODULATOR
SUB CODE
PROCESSOR
CPU
INTERFACE
SERIAL-IN
INTERFACE
A/D
CONVERTER
OP AMP
ANALOG
SWITCH
PWM GENERATOR
79 78
77 76 75
74 73 72 71 70 69
68 67 66 65 64 63
62
61 60 59
58
57
56
55
ASYMMETRY
CORRECTOR
54 53 52 51
50
49
47
48
45
44
43
42
41
40
39
38
46
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FOCUS PWM
GENERATOR
TRACKING PWM
GENERATOR
SLED PWM
GENERATOR
SERVO DSP
FOCUS SERVO
TRACKING
SERVO
SLED SERVO
INTERNAL BUS
PWM
100
LOW-PASS
FILTER
PWM
+
–
+
–
–
BCK
BCKI
ENPH
EMPHI
XVDD
XTAI
XTAO
XVSS
AVDD1
AOUT1
AIN1
LOUT1
AVSS1
AVSS2
LOUT2
AIN2
RMUT
AOUT2
AVDD2
LMUT
PCMDI
PCMD
LRCKI
LRCK
VDD
ASYE
DOUT
MD2
VSS
VPCO
V16M
VCTL
BIAS
AVDD3
PCO
FILI
FILO
CLTV
AVSS3
RFAC
ASYI
ASYO
AVDD0
IGEN
AVSS0
ADIO
RFDC
CE
TE
SE
FE
VC
TES1
XTSL
VSS
VDD
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
TEST
FSTIO
SSTP
MDP
LOCK
PWMI
FOK
DFCT
VDD
VSS
MIRR
COUT
WDCK
C4M
SCOR
C2PO
GFS
XPCK
XUGF
WFCK
ATSK
SCKL
SENS
CLOK
XLAT
DATA
SYSM
XRST
EXCK
SBSO
SCSY
SQCK
SQSO
XOLT
SOCK
SOUT
VSS
VDD
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
35
CDX-454RF/454XRF
– FM Board –
IC701
BH1415F-E2
+
–
+
–
–
PHASE
DETECTOR
22
21
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
10
11
L. P. F.
L. P. F.
SHIFT REGISTER
PROGRAM COUNTER
1
4
4
1
50
1
19
VCC
2
MUTE
MPX
OSC
0
+
1
2
2
RF
PRE-EMPHASIS
& LIMITER
L-CH INPUT
PRE-EMPHASIS TIME CONSTANT
LPF TIME CONSTANT
PILOT SIGNAL ADJUST
AUDIO MUTING
DATA
CLOCK
CHIP ENABLE
X'TAL OSCILLATOR
X'TAL OSCILLATOR
PLL VCC
R-CH INPUT
PRE-EMPHASIS TIME CONSTANT
LPF TIME CONSTANT
FILTER
COMPOSITE SIGNAL OUTPUT
GND
PLL PHASE DETECTOR OUTPUT
VCC
RF OSCILLTOR
RF GND
RF OUTPUT
36
CDX-454RF/454XRF
7-12.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC201 CXP740056-011R (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 3
NC
—
Not used
4
AMUTE
O
Audio line muting on/off control signal output “H”: muting on
5
CDXLT
O
Serial data latch pulse signal output to the DSP
6
CDDATA
O
Serial data output to the DSP
7
CDCLK
O
Serial data transfer clock signal output to the DSP
8
CDON
O
D/A converter and servo section power supply on/off control signal output “H”: power on
9
ELVON
O
Mechanism deck section power supply on/off control signal output “H”: power on
10 to 35
NC
—
Not used
36
LCDON
O
The LCD in remote commander and FM transmitter section power supply on/off control signal
output “H”: power on
output “H”: power on
37
LCDCE
O
Chip enable signal output to the LCD driver in remote commander “H” active
38
RESET
I
System reset signal input from the reset switch or reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
39
GND
—
Ground terminal
40
XTAL
O
Main system clock output terminal (12 MHz)
41
EXTAL
I
Main system clock input terminal (12 MHz)
42
TEXTSEL
I
CD text mode setting terminal “L”: CD text on, “H”: does not display track name
Not used
Not used
43
LCDINH
O
Inhibit signal output to the LCD driver in remote commander
44
LCDDATA
O
Serial data output to the LCD driver in remote commander
45
LCDCLK
O
Serial data transfer clock signal output to the LCD driver in remote commander
46
CFSEL
I
Custom file on/off setting terminal “L” custom file on Not used
47
EEINIT
I
Initialize signal input for the EEPROM “H”: format Not used
48
EEDATA
I/O
Two way data bus with the EEPROM Not used
49
EECLK
O
Serial data transfer clock signal output to the EEPROM Not used
50
VSS
—
Ground terminal (for A/D converter)
51
AVREF
I
Reference voltage (+5V) input terminal (for A/D converter)
52
VDD
—
Power supply terminal (+5V) (for A/D converter)
53
SINGLE
I
Setting terminal for the single disc/multiple discs mode
“L”: single mode, “H”: multiple discs mode Not used
“L”: single mode, “H”: multiple discs mode Not used
54
LDON
O
The laser automatic power control on/off signal output “H”: automatic power control on
55
AGCHOLD
O
RF AGC hold on/off signal output “H”: hold on
56
RF AGC
O
RF AGC level control signal output “L ”: off, center voltage : 40%, “H”: 60%
57
H.TEMP
I
High temperature sensor input terminal Not used
58
KEYIN
I
Key input terminal (A/D input) from the remote commander
59
EHS
I
Elevator height position detection signal input from the elevator height sensor (A/D input)
60
MCK
I
Input of signal for the fine adjustment (elevator height (address) adjustment) of elevator position
(A/D input)
(A/D input)
61
NC
—
Not used
62
ACCIN
I
Accessory detection signal input “L”: accessory on
63
EJECT
I
Eject switch input terminal “H” active
64
MAGSW
I
Magazine in/out detection switch input terminal Not used
65
LOAD1
I
Chucking end detect switch input terminal
“L”: When completion of the disc chucking operation
“L”: When completion of the disc chucking operation
66
LOAD2
I
Save end detect switch input terminal “L”: When completion of the disc save operation
67 to 70
NC
—
Not used
37
CDX-454RF/454XRF
Pin No.
Pin Name
I/O
Description
71
CH.F
O
Motor drive signal (save direction) output to the chucking motor drive “L” active
72
CH.R
O
Motor drive signal (chucking direction) output to the chucking motor drive “L” active
73
ELVR
O
Motor drive signal (elevator down direction) output to the elevator motor drive “L” active
74
ELVF
O
Motor drive signal (elevator up direction) output to the elevator motor drive “L” active
75
BUCHK
I
Battery detection signal input “H”: battery on
76
MGLK
I
Magazine detect switch input terminal “L”: magazine is set
77
SQSO
I
Subcode Q/text serial data input from the DSP
78
NC
—
Not used
79
SQCK
O
Subcode Q/text serial data transfer clock signal output to the DSP
80
KEYACK
I
Input of acknowledge signal for the key entry
Acknowledge signal is input to accept from the remote commander in the power off status
Acknowledge signal is input to accept from the remote commander in the power off status
81
NC
—
Not used
82
SCOR
I
Subcode sync (S0+S1) detection signal input from the DSP
83
SIRCS
I
SIRCS signal input terminal Not used
84
TEX
I
Sub system clock input terminal Not used
85
TX
O
Sub system clock output terminal Not used
86
VSS
—
Ground terminal
87
VDD
—
Power supply terminal (+5V)
88
NC
—
Not used
89
LIMSW
I
Sled limit in detect switch input terminal
“L”: When the optical pick-up is inner position
“L”: When the optical pick-up is inner position
90
FOK
I
Focus OK signal input from the DSP “H” is input when focus is on (“L”: NG)
91
GFS
I
Guard frame sync signal input from the DSP “L”: NG, “H”: OK
92
SCLK
O
Serial data transfer clock signal output to the DSP
93
SENS
I
Internal status signal (sense signal) input from the DSP
94
XRST
O
System reset signal output to the DSP “L”: reset
95
ADON
O
Power supply on/off control signal output for the A/D converter “L”: power on
96
PLLCE
O
Chip enable signal output to the FM stereo transmitter “H” active
97
PLLCLK
O
Serial data transfer clock signal output to the FM stereo transmitter
98
PLLDATA
O
Serial data output to the FM stereo transmitter
99, 100
NC
—
Not used
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