Sony HCD-DX2D Service Manual page 49

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• IC Pin Function Description
MAIN BOARD IC501 uPD780078 (SYSTEM CONTROLLER)
Pin No. Pin Name
1
2
3
4
5
6
7
8 VIDEO SW
9
10
11
12
13
14
15
16
17
18
19
20
TE
L 13942296513
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
www
42
43
44
.
45
46
47
http://www.xiaoyu163.com
I/O
MUTE1 O Muting signal output to the VIDEO AMP (only for AEP, UK, RU models)
MUTE2 O Muting signal output to the VIDEO AMP (only for AEP, UK, RU models)
RPHD O REC/PLAY control signal output
BIAS O BIAS ON/OFF control signal output
TSOL O Tape solenoid control signal output
TMOT O Tape motor control signal output
TCNT O Tape control signal output
I RGB/COMPONENT select SW signal input (only for AEP, UK, RU models)
GND — Ground terminal
VDD — Power supply terminal (+5V)
STE I Stereo signal input
TUCE O Chip enable signal output to the tuner
VIDS O INT/PRO signal output
TOP I DVD/CD tray open SW signal input
VEDA O Chip select output to the FL driver
VFCK O Clock output to the FL driver
VFSTB O Data output to the FL driver
TUDI O Data output to the tuner
TUDO I Data input from the tuner
TUCK O Clock output to the tuner
RDDA O Strobe signal output to the tuner
VUP I Volume up input (VR601)
FPON O FL power supply control signal output
VDD1 — Power supply terminal (+5V)
GND — Ground terminal
KEY1 I Function key input
KEY2 I Function key input
KEY3 I Function key input
SFTY I AC cut detect signal input
HDPN I Tape SW (PACK, HDPLY) signal input
REPT I Tape SW (RECF, RECR) signal input
VER I Destination version setting
VDWN I Volume down input (VR601)
AVR I Reference voltage terminal
TCL I DVD/CD tray close SW signal input
RST I System reset signal input
XT2 I Subclock input (36.768KHz)
XT1 O Subclock output (36.768KHz)
IC — Not used
X2 I Main system clock input (8.38MHz)
X1 O Main system clock output (8.38MHz)
GND — Ground terminal
U-SENS O USB SENS signal output (not used)
x ao
y
INH I Power down detect signal input
i
REM I SIRES signal input from the remote control receiver
RDCK O RDCK signal output to the tuner
MRST O MPEG reset signal output
http://www.xiaoyu163.com
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Description
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HCD-DX2D
Ver. 1.1
9 9
2 8 9 9
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