Read Sony CDX-1000RF Service Manual online
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11
4-1. IC PIN DESCRIPTION
• IC801
µ
PD17705GC-547-3B9 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
NC
—
Not used. (Connect to ground in this set.)
2
IN_SW
I
Disc insertion detection input L: IN_SW
3
D_SW
I
DOWN switch detection input L: D_SW
4
SELF_SW
I
Disc self store detection input L: SELF_SW
5
L_SW
I
Sled limit switch detection input L: L_SW
6
LM_EJ
O
Loading motor control output (Eject direction)
7
LM_LD
O
Loading motor control output (Loading direction)
8
RY_ON
O
Relay control output
9, 10
NC
—
Not used. (Open)
11
BAND_SW
I
BAND select input 0: US
12 – 20
NC
—
Not used. (Open)
21
GND3
—
Ground
22
NC
—
Not used. (Open)
23
ADKI2
I
A/D key input 2
24
ADKI1
I
A/D key input 1
25
ROTCOM
I
Rotary commander shift key input
26
NC
—
Not used. (Open)
27
TEST_SW
I
Test mode initial setting detection input L: TEST_SW
28, 29
NC
—
Not used. (Open)
30
VDD2
—
Power supply pin (+5 V)
31
FMIN
I
PLL local oscillator frequency input
32
NC
—
Not used. (Open)
33
GND2
—
Ground
34
NC
—
Not used. (Open)
35
EO1
O
PLL error 1 output
36
TEST0
—
Connect to GND line.
37 – 40
NC
—
Not used. (Open)
41
ACC_IN
I
Accessory power detection input L: ACC_IN
42
SCOR
I
SCOR signal detection input
43
MUTE
O
Mute control output
44
LEVEL D
O
Level control output
45
NC
—
Not used. (Open)
46
PH2
I
Connect to +5 V line.
47
LEVEL 1
O
Volume control output
48, 49
NC
O
Not used. (Open)
50
EMPH_O
O
Emphasis control output
51
PW_ON
O
System power control output
52
LM_ON
O
Loading motor power control output
53
CD_ON
O
CD power control output
54
ILLON
O
Illumination power control output
55 – 57
NC
—
Not used. (Open)
58
LCD_CE
O
LCD chip enable output
59
EZ_SEL
I
Rotary commander shift key input L: EZ_SEL
60
SENS
I
CD SENS signal detection input
61
FOK
I
Focus OK signal detection input
62
LD_ON
O
Laser ON/OFF control output L: LD_ON
63, 64
NC
—
Not used. (Open)
65
LCD_CLK
O
LCD serial clock output
66
LCD_DAT
O
LCD serial data output
67
LCD_INH
O
LCD inhibition output L: LCD_INH
68
SQCK0
O
Sub Q read clock output
SECTION 4
DIAGRAMS
Pin No.
Pin Name
I/O
Pin Description
69
CD_RST
O
Reset output to CD signal processor IC.
70
SQ_SI
I
Sub Q data input
71
CD_SO0
O
CD signal serial data output
72
CD_LAT
O
CD signal processing data latch output
73
CD_CK0
O
CD signal processing serial clock output
74
NC
—
Not used. (Open)
75
GND1
—
Ground
76
XOUT
O
ceramic oscillator output (4.5 MHz)
77
XIN
I
ceramic oscillator input (4.5 MHz)
78
BU_IN
I
Backup power detection input
79
VDD1
—
Power supply pin (+5 V)
80
RESET
I
Reset input L: RESET
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