Diagrams; Ic Pin Descriptions - Sony CDX-V7800X Service Manual

QQ
3 7 63 1515 0

3-1. IC PIN DESCRIPTIONS

• IC513 CXP81960M-659R (CD SYSTEM CONTROL)
Pin No.
1
2
3
4
5 SLD MINUS
6
7
8
9
10
11
12
13 – 20 HDATA7 – 0
21
22
23
24
25
26
27
28
29
TE
L 13942296513
30
31
32
33
34
35, 36
37
38
39
40
41
42
43
44
45
46
47 – 49
50
51
52
53 GFS/MNT2 SEL
54
55
www
56
57, 58
59
.
60
61
62 TEST MODE
http://www.xiaoyu163.com
Pin Name I/O
A MUTE O Audio mute control output
N.C — Not used. (Open)
CD ON O CD servo power supply control output
RW/R O RF amplifier gain control output (H: CD-RW, L: CD-R/CD-DA)
O Sled motor control output
SELF SW I Disc self store switch input
E/(U) I Destination setting input (Fixed at H in this set)
PH1 I Photo coupler input 1 (Not used in this set)
SDA I/O I2C interface data input/output for video encoder IC.
SCL O I2C interface clock output to video encoder IC.
H WAIT I Wait input from MPEG decoder (Host) IC.
H INT I Interruption input from MPEG decoder IC.
I/O Host data 7 – 0 input for MPEG decoder IC.
EMPH O O D/A converter emphasis control output to DSP IC.
CD DATA O Data output to CD servo IC.
CD XTAL O System latch output to CD servo IC.
CD CKO O Clock output to CD servo IC.
D SW I Disc switch input
N.C — Not used. (Fixed at H in this set)
LIMIT SW I Sled limit switch input
SUBQ I CD sub-Q serial data input from DSP IC.
N.C — Not used. (Open)
SQCK O Sub-Q clock output to DSP IC.
N.C — Not used. (Open)
MSRQ O Serial request output of master microcomputer.
N.C — Not used. (Open)
CD RST O CD reset output
N.C — Not used. (Open)
MP I Connect to VSS.
RESET I Slave microcomputer hard reset input
VSS — Ground
XTAL O Crystal oscillation output (12 MHz)
EXTAL I Crystal oscillation input (12 MHz)
N.C — Not used. (Fixed at H in this set)
TEXT IN I Not used. (Connect to SUBQ)
N.C — Not used. (Open)
TEXT CLK O Not used. (Connect to SQCK)
PH2 I Photo coupler input 2 (Not used in this set)
N.C — Not used. (Open)
AVSS — Analog ground
AVREF — Analog power supply reference input
AVDD — Analog power supply pin
I GFS/MNT2 select input of DSP IC. (Fixed at H in this set)
N.C — Not used. (Fixed at H in this set)
FOK I Focus OK input from DSP IC.
GFS I Guard frame synchro input from DSP IC.
x ao
N.C — Not used. (Fixed at L in this set)
y
TEMP H I Not used. (Open)
i
TEMP L I Not used. (Open)
LOCK I Lock input from DSP IC.
I Not used. (Fixed at H in this set)
http://www.xiaoyu163.com
SECTION 3

DIAGRAMS

8
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
Pin Description
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
15