Sony CDX-434RF / CDX-530RF / CDX-535RF Service Manual ▷ View online
33
33
CDX-434RF/530RF/535RF
7-11.
SCHEMATIC DIAGRAM – FM/POWER Section –
•
See page 36 for Waveforms.
•
See page 37 for IC Block Diagrams.
(Page 31)
34
34
7-12.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC201 CXP740056-004R (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1 to 3
NC
—
Not used (open)
4
AMUTE
O
Audio line muting on/off control signal output terminal “H”: muting on
5
CDXLT
O
Serial data latch pulse signal output to the CXD2598Q (IC101)
6
CDDATA
O
Serial data output to the CXD2598Q (IC101)
7
CDCLK
O
Serial data transfer clock signal output to the CXD2598Q (IC101)
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 (open)
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
38
RESET
I
System reset signal input from the reset switch (SW302) and reset signal generator (IC303)
“L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
“L”: reset
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 on/off setting terminal “L” CD text on
434RF: fixed at “H” (open) 530RF/535RF: fixed at “L”
434RF: fixed at “H” (open) 530RF/535RF: fixed at “L”
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
434RF: fixed at “H” (open) 530RF/535RF: fixed at “L”
434RF: fixed at “H” (open) 530RF/535RF: fixed at “L”
47
EEINIT
I
Initialize signal input for the EEPROM (IC203) “H”: format
434RF: not used (open) 530RF/535RF: fixed at “L”
434RF: not used (open) 530RF/535RF: fixed at “L”
48
EEDATA
I/O
Two-way data bus with the EEPROM (IC203) (530RF/535RF only) 434RF: not used (open)
49
EECLK
O
Serial data transfer clock signal output to the EEPROM (IC203) (530RF/535RF only)
434RF: not used (open)
434RF: not used (open)
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 Fixed at “H” in this set (open)
“L”: single mode, “H”: multiple discs mode Fixed at “H” in this set (open)
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
56
RFAGC
I/O
RF AGC level control signal output “L (O) ”: off, “I”: 40%, “H (O) ”: 60%
57
H.TEMP
I
High temperature sensor input terminal Not used (open)
58
KEYIN
I
Key input terminal (A/D input) from the remote commander
59
EHS
I
Elevator height position detect input from the RV202 (elevator height sensor) (A/D input)
60
MCK
I
Input of signal for the fine adjustment (elevator height (address) adjustment; RV201) of elevator
position (A/D input)
position (A/D input)
61
NC
—
Not used (open)
62
ACCIN
I
Accessory detect signal input terminal “L”: accessory on
63
EJECT
I
Eject switch (SW301) input terminal “H” active
Pin No.
Pin Name
I/O
Function
64
MAGSW
I
Magazine in/out detect switch input Not used (open)
65
LOAD1
I
Chucking end detect switch (SW1) 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 (SW2) input terminal
“L”: When completion of the disc save operation
“L”: When completion of the disc save operation
67 to 70
NC
—
Not used (open)
71
CH.F
O
Motor drive signal (save direction) output to the chucking motor drive (IC201)
“L” active *1
“L” active *1
72
CH.R
O
Motor drive signal (chucking direction) output to the chucking motor drive (IC201)
“L” active *1
“L” active *1
73
ELVR
O
Motor drive signal (elevator down direction) output to the elevator motor drive (IC301)
“L” active *2
“L” active *2
74
ELVF
O
Motor drive signal (elevator up direction) output to the elevator motor drive (IC301)
“L” active *2
“L” active *2
75
BUCHK
I
Battery detect signal input terminal “H”: battery on
76
MGLK
I
Magazine detect switch (SW201) input “L”: magazine is set
77
SQSO
O
Subcode Q/text serial data output to the CXD2598Q (IC101)
78
NC
—
Not used (open)
79
SQCK
O
Subcode Q/text serial data transfer clock signal output to the CXD2598Q (IC101)
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 (open)
82
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2598Q (IC101)
83
SIRCS
I
SIRCS signal input from the remote commander (530RF/535RF only)
84
TEX
I
Sub system clock input terminal Not used (open)
85
TX
O
Sub system clock output terminal Not used (open)
86
VSS
—
Ground terminal
87
VDD
—
Power supply terminal (+5V)
88
NC
—
Not used (open)
89
LIMSW
I
Sled limit in detect switch (SW3) 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 CXD2598Q (IC101) “H” is input when focus is on (“L”: NG)
91
GFS
I
Guard frame sync signal input from the CXD2598Q (IC101) “L”: NG, “H”: OK
92
SCLK
O
Serial data transfer clock signal output to the CXD2598Q (IC101)
93
SENS
I
Internal status signal (sense signal) input from the CXD2598Q (IC101)
94
XRST
O
System reset signal output to the CXD2598Q (IC101) “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 PLL IC (IC781)
97
PLLCLK
O
Serial data transfer clock signal output to the PLL IC (IC781)
98
PLLDATA
O
Serial data output to the PLL IC (IC781)
99, 100
NC
—
Not used (open)
35
*1 chucking motor (M103) control
STOP
LOAD
CHUCKING
SAVE
BRAKE
CH.F (pin ua)
“H”
“H”
“L”
“L”
CH.R (pin us)
“H”
“L”
“H”
“L”
Mode
Terminal
*2 elevator motor (M104) control
STOP
ELEVATOR
UP
ELEVATOR
DOWN
BRAKE
ELVF (pin uf)
“H”
“L”
“H”
“L”
ELVR (pin ud)
“H”
“H”
“L”
“L”
Mode
Terminal
36
• Waveforms
– RF Board –
– RF Board –
1
IC101
qh
(RFO) (play mode)
2
IC101
qf
(FE) (play mode)
3
IC101
qd
(TE) (play mode)
2
IC101
ia
(BCK),
is
(BCKI)
(play mode)
3
IC101
ih
(XTAI) (play mode)
4
IC101
wf
(SCOR),
IC201
is
(SCOR) (play mode)
5
IC201
ra
(EXTAL) (play mode)
2
IC781
1
(XOUT) (play mode)
3
IC781
qa
(FMIN) (play mode)
1.4
±
0.3
Vp-p
Apporx.
63 mVp-p
63 mVp-p
Approx.
63 mVp-p
63 mVp-p
– MAIN Board –
1
IC101
uj
(LRCK),
uk
(LRCKI)
(play mode)
5.7 Vp-p
470 ns
5.6 Vp-p
22.8
µ
s
4.1 Vp-p
60 ns
5 Vp-p
13.4 ms
4.4 Vp-p
83 ns
– FM Board –
1
IC701
8
(38K) (play mode)
2.9 Vp-p
139 ns
240 mVp-p
11.3 ns
4.1 Vp-p
26.3
µ
s
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