Ic Pin Function Description - Sony HCD-GX40 Service Manual

HCD-GX40

5-17. IC Pin Function Description

• IC601 LC876662W-5Z15 Master Control (PANEL Board)
Pin No. Pin Name
1 PWR LED
2 P.S.RELAY
3 SYS MUTE
4 CD MOTOR +
5 CD MOTOR –
6 CD RWC
7 VR ENCODER B
8 VR ENCODER A
9 BU1924/FLASH DATA
10 FLASH R/W
11 RESET
12 XT1
13 XT2
14 VSS
15 CF1
16 CF2
17 VDD1
18 TAPE A: STAT
19 TAPE B: STAT
20 VACS
21 SPEANA IN L
22 SPEANA IN R
23 KEY INPUT 0
24 KEY INPUT 1
25 KEY INPUT 2
26 PWR SW, DISP SW
27 REMOCON IN
28 PWR DOWN
29 BU1924 CLK
30 to 41 G12 to G01
42 to 45 P01 to P04
46 VDD
47 to 54 P05 to P11
55 P12 OP. OUT 10(SW11)
to to
65 P22 OP. OUT 00(SW01)
66 OPTION SW INPUT
67 CD CLOSE
68 CD DRF
69 CD WRQ
CD BUSY
70
(PIC UP/DOWN)SW
71 CD NUMBER SENSOR
72 VDD
73 CD MUTE
74 CD SLED (+)
75 CD SLED (–)
76 CD RESET
77 HEAD PHONE SENSOR
78 TUNER TUNED
38
I/O
O PWR LED control signal output
O Standby relay control signal output
O System muting signal output
O CD changer motor control signal output
O CD changer motor control signal output
O Read/write control signal output
I Volume signal input from the rotary encoder
I Volume signal input from the rotary encoder
I Data input from the RDS decoder IC
– Fixed at "H"
I Reset input
I Connection for a crystal resonator
O Connection for a crystal resonator
– Ground
I Connection for a ceramic resonator
O Connection for a ceramic resonator
– Power sypply
I TAPE A switches signal input
I TAPE B switches signal input
O VACS control signal output
I Spectrum analyzer signal input
I Spectrum analyzer signal input
I Function key input
I Function key input
I Function key input
I POWER switch or DISP switch key input
I Data input from the remote control receiver
I Power down signal input
I Clock input from the RDS decoder IC
O FL tube grid signal ouput
O FL tube segment signal ouput
– Power supply
O FL tube segment signal ouput
O FL tube segment signal ouput or switch signal output
I Switch signal input
I CD tray close switch signal input
I RF level detection signal input
I Subcode Q standby signal input
I CD BU up/down switch signal input
I Table address sensor switch signal input
– Power supply
O CD audio muting signal output
O Sled motor control signal output
O Sled motor control signal output
O CD reset signal output
I Headphone detection signal input
I Tuning a frequency signal input
Description