Diagrams; Ic Pin Function Description - Sony CDP-XB820 Service Manual

6-1. IC PIN FUNCTION DESCRIPTION

• DISP BOARD IC801 CXP82832-009Q (SYSTEM CONTROLLER/FL DRIVER)
Pin No. Pin Name
1, 2
13G, 14G
3
NC
4
+5V
5 SCOR
6, 7
GND
8
RMIN
9
GND
10, 11
OPEN
12
LDOUT
13
LDIN
14
SENSE
15
XLT
16
DMUTE
17 PRGLT
18
SENSOR IN
19
BUSOUT
20
BUSIN
21
SENSOR SW
22 CLK
23
LDON
24 DATA
25
SQCK
26
SUBQ
27
+5V
28 AVREF
29
KEY0
30 KEY1
31
KEY2
32
FILTER.SW
33
ADJ/AFADJ
34 LOADSW
35
MODEL.SEL1
*1 Loading motor (M903) control
Operation
Terminal
LDOUT (pin !™)
LDIN (pin !£)
SECTION 6

DIAGRAMS

I/O
O Grid drive signal output to the fluorescent indicator tube (FL801) "H": goes on
— Not used (fixed at "H")
— Power supply terminal (+5V)
Subcode sync (S0+S1) detection signal input from the CXD2585Q (IC101) in BD section
I
"H" active
— Ground terminal
I Sircs signal input from the remote control receiver (IC802) "L" active
— Ground terminal
O Not used (open)
Motor control signal (load out direction) output to the loading motor driver (IC302)
O
"H" active *1
Motor control signal (load in direction) output to the loading motor driver (IC302)
O
"H" active *1
I Internal status monitor input from the CXD2585Q (IC101) in BD section
O Serial data latch pulse output to the CXD2585Q (IC101) in BD section "L" active
Digital muting on/off control signal output to the CXD2585Q (IC101) and D/A converter (IC301)
O
"L": muting on
O Serial data latch pulse output to the D/A converter (IC301) "L" active
I Stabilizer detect sensor input terminal (fixed at "L" in this set)
O Sircs remote control signal output for the CONTROL A1 "H" active
I Sircs remote control signal input for the CONTROL A1 "L" active
I Stabilizer detect sensor switch input terminal "H" active Not used (open)
O
Serial data transfer clock signal output to the CXD2585Q (IC101) in BD section "L" active
O Laser on/off control signal output to the CXA2568M (IC103) "H": laser on
O Serial data output to the CXD2585Q (IC101) in BD section
Subcode Q data reading clock signal output to the CXD2585Q (IC101) in BD section
O
"L" active
I
Subcode Q data input from the CXD2585Q (IC101) in BD section
— Power supply terminal (+5V)
I
Reference voltage (+5V) input terminal (for A/D converter)
Key input terminal (A/D input) S851 to S858 (LANGUAGE, MUSIC SCAN, AUTO SPACE,
I
PEAK SEARCH, PLAY MODE, REPEAT, FADER, TIME/TEXT keys input)
Key input terminal (A/D input) S801 to S805 and S810 (CLEAR, CHECK, EDIT/TIME FADE,
I
0, ), PUSH ENTER keys input)
Key input terminal (A/D input)
I
S806 to S810 (§ OPEN/CLOSE, ·, P, p, ≠ AMS ± keys input)
I FILTER switch (S860) input terminal (A/D input)
Input terminal for the CD test mode setting
I
"L": ADJ mode, center voltage: AFADJ mode, normally: "H"
I Loading in/out detect switch (S152 and S153) input terminal
I Destination setting terminal (fixed at "H")
IN OUT
"L" "H"
"H" "L"
Function
BRAKE RUN IDLE
"H" "L"
"H" "L"
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