Diagrams; Ic Pin Description - Sony CDX-1000RF Service Manual

4-1. IC PIN DESCRIPTION

• IC801 PD17705GC-547-3B9 (SYSTEM CONTROL)
Pin No. Pin Name I/O
1 NC — Not used. (Connect to ground in this set.)
2 IN_SW I Disc insertion detection input
3 D_SW I DOWN switch detection input
4 SELF_SW I Disc self store detection input
5 L_SW I Sled limit switch detection input
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
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
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
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
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
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
68 SQCK0 O Sub Q read clock output
SECTION 4

DIAGRAMS

Pin Description
L: IN_SW
L: D_SW
L: SELF_SW
L: L_SW
0: US
L: TEST_SW
L: ACC_IN
L: EZ_SEL
L: LD_ON
L: LCD_INH
Pin No. Pin Name I/O
69 CD_RST
70 SQ_SI
71 CD_SO0
72 CD_LAT
73 CD_CK0
74 NC —
75 GND1 —
76 XOUT
77 XIN
78 BU_IN
79 VDD1 —
80 RESET
11 11
Pin Description
O Reset output to CD signal processor IC.
I Sub Q data input
O CD signal serial data output
O CD signal processing data latch output
O CD signal processing serial clock output
Not used. (Open)
Ground
O ceramic oscillator output (4.5 MHz)
I ceramic oscillator input (4.5 MHz)
I Backup power detection input
Power supply pin (+5 V)
I Reset input L: RESET