Sony CDX-M600 / CDX-M600R / CDX-M650 Service Manual ▷ View online
33
• IC5 CXP84640-072Q (CD SYSTEM CONTROL) (SERVO BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
ITRPT
—
Not used in this set.
2, 3
—
—
Not used in this set.
4, 5
NCO
—
Not used in this set.
6
OPEN
I
Front panel open detection input
7
CLOSE
O
Front panel close control output
8
LINKOFF
I
Bus interface link input
9
NCO
—
Not used in this set.
10
D SW
I
Down switch input (SW1)
11
SSTP
I
Limit switch input (SW4)
12, 13
NCO
—
Not used in this set.
14, 15
—
—
Not used in this set.
16
EMPH O
O
De-emphasis ON/OFF control output
17
CDMON
O
CD mechanism deck power control output
18
CD ON
O
CD power control output
19
A MUT
O
System attenuate control output
20
LD ON
O
Laser power ON/OFF control output
21
CD RST
O
CD system reset output
22
HOLD
O
Hold switch output
23
AGC CONT
O
AGC control output
24
—
—
Not used in this set.
25
PH3
I
Not used in this set.
26
TSTIN0
I
Not used in this set.
27
TSTIN1
I
Not used in this set.
28
TST.CLV
I
Not used in this set.
29
NCO
—
Not used in this set.
30
RESET
I
System reset input (“L”=Reset)
31
X IN
I
X’tal oscillator input from system clock. (10 MHz)
32
X OUT
O
X’tal oscillator output for system clock. (10 MHz)
33
GND
—
Analog ground
34
XT OUT
O
Not used in this set.
35
XT IN
I
Not used in this set.
36
AVSS
—
A/D converter ground
37
AVREF
I
A/D converter reference voltage input
38
TEP L
I
Not used in this set.
39
TEP H
I
Not used in this set.
40
SLED–
I
Sled drive input
41
PH2
I
Not used in this set.
42
SEK/SMET
I
Fixed at “H” in this set.
43
GFS/MNT2 SEL
I
Fixed at “H” in this set.
44
SC-JIG ON/OFF
I
Fixed at “H” in this set.
45
SCLK
O
CD-TEXT data read clock output
46
LOCK
I/O
Lock signal input/output
47
—
—
Not used in this set.
48
SCK2
O
Sub Q read clock output
49
SI2
I
Sub Q 80 bit, PCM peak and level data 16 bit input.
50
—
—
Not used in this set.
51
BUS CLK
I/O
Bus system serial clock input/output
52
BUS SI
I
Bus system serial interface input
53
BUS SO
O
Bus system serial interface output
54
F OK
I
Focus OK signal input
55
GFS
I
GFS signal detection input
56
TEST MODE
I
Fixed at “H” in this set.
34
Pin No.
Pin Name
I/O
Pin Description
57
SENS
I
SENS signal input
58
—
—
Not used in this set.
59
—
—
Not used in this set.
60
BU.IN
I
Back-up power detection input
61
BUSON
I
Bus on control input
62
IN SW
I
Disc in switch input (SW3)
63
SELF SW
I
Self switch input (SW2)
64
SCOR
O
Sub-code sync output
65
CD-CKO
O
CD signal process serial clock input
66
LM LOD
O
Loading motor control output
67
CD DATA
O
CD signal process serial data output
68
CD-XLAT
O
CD signal process serial data latch output
69
LM-EJ
O
Loading motor control output
70
DRV-OE
O
Focus/tracking coil/sled motor control output
71
MD2
O
Digital out ON/OFF control output (“L”: OFF, “H”: ON)
72
VDD
—
Power supply pin
73
NIH
I
Fixed at “H” in this set.
74
V/Z
I
Fixed at “H” in this set.
75
PH1
I
Not used in this set.
76
—
—
Not used in this set.
77
DOUT-SEL
I
Fixed at “H” in this set.
78 – 80
—
—
Not used in this set.
35
• IC301 HD6432355A22F (DISPLAY CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1, 2
PG3, 4
O
Not used. (Open)
3
VSS
—
Ground
4
NC
—
Not used. (Open)
5
VCC
—
Power supply pin (+5 V)
6 – 9
PC0 – 3
O
Not used. (Open)
10
VSS
—
Ground
11 – 14
PC4 – 7
O
Not used. (Open)
15 – 18
PB0 – 3
O
Not used. (Open)
19
VSS
—
Ground
20 – 23
PB4 – 7
O
Not used. (Open)
24 – 27
PA0 – 3
O
Not used. (Open)
28
VSS
—
Ground
29 – 32
PA4 – 7
O
Not used. (Open)
33
SP-LAT
I
Spectrum analyzer data latch input
34
P66
O
Not used. (Open)
35, 36
VSS
—
Ground
37
P65
O
Not used. (Open)
38
BUS-ON
I
BUS ON control input
39
VCC
—
Power supply pin (+5 V)
40 – 43
SPE-A, B, C, SEL
O
IC407 (BA3834F) control output
44
VSS
—
Ground
45
DSP SEL
I
Digital signal processor select input (Fixed at “H” in this set.)
46, 47
LED SW1, 2
I
Operation/display side illumination select control input1, 2
48
PE7
O
Not used. (Open)
49
BU-IN
I
Backup power detection input
50
LINK-OFF
O
LINK OFF output
51
PD2
O
Not used. (Open)
52
ILL-ON
O
Illumination power control output
53
VSS
—
Ground
54
AMBER
O
Not used. (Open)
55
GREEN
O
Not used. (Open)
56
PD6
O
Not used. (Open)
57
BOOT
I
Display micon write control input
58
VCC
—
Power supply pin (+5 V)
59
P30
—
Not used. (Open)
60
TX/FL-SO
O
LCD driver serial data output/Flash micon write data output
61
SP-SI
I
Digital signal processor IC spectrum analyzer data input (Not used.)
62
RX
I
Flash micon write data input
63
SP-CLK
I
Digital signal processor IC spectrum analyzer clock input (Not used.)
64
LCD CLK
O
LCD driver serial clock output
65
VSS
—
Ground
66
LCD CE0
O
LCD driver chip enable output 0
67, 68
VSS
—
Ground
69
INH
O
LCD driver inhibit control output
70
LCD-CE1
O
LCD driver chip enable output 1
71
P63
O
Not used. (Open)
72 – 78
P27 – 21
O
Not used. (Open)
79
FL-W
O
Flash write control output
80
FWE (L)
I
Flash write enable input
81
RES
I
System reset input
82
NMI (H)
I
Non-maskable interruption input
83
ST/SY (H)
I
Hardware standby input
36
Pin No.
Pin Name
I/O
Pin Description
84
VCC
—
Power supply pin (+5 V)
85
XTAL
I
X’tal oscillation input (18.43 MHz)
86
EXTAL
O
X’tal oscillation output (18.43 MHz)
87
VSS
—
Ground
88
PF7
O
Not used. (Open)
89
VCC
—
Power supply pin (+5 V)
90 – 96
PF6 – 0
O
Not used. (Open)
97
UNI-SO
O
SONY BUS serial data output
98
UNI-SI
I
SONY BUS serial data input
99, 100
VSS
—
Ground
101
UNI-SCK
I
SONY BUS serial clock input
102
P53
O
Not used. (Open)
103
AVCC
—
Analog power supply pin (+5 V)
104
VREF
—
VREF+ input of A/D converter. (+5 V)
105
SPE-IN
I
IC407 (BA3834F) peak hold detection input
106 – 112
P41 – 47
I
Not used. (Fixed at “L” in this set.)
113
AVSS
—
Analog ground
114
VSS
—
Ground
115 – 122
P17 – 10
O
Not used. (Open)
123 – 125
MD0 (H) – MD2 (H)
I
Operation mode setting pin (Fixed at “H” in this set.)
126 – 128
PG0 – 2
O
Not used. (Open)
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