Ic Description - Aiwa SX-DV1 Service Manual

IC DESCRIPTION -1/5 (IC, HD6433802A57FP -1/1)
QQ
3 7 63 1515 0
Pin No. Pin Name
1 IR
2 X1
3 X2
4 VSS
5 OSC2
6 OSC1
7 TEST
8 RESET
9 REGION0
10 REGION1
11 REGION2
12 OSD
13 FPCS
14 LED-ON
15 P-CON
16 VCC
17 ~ 19 V1 ~V3
20 ~ 23 COM1 ~ COM4
24 RESERVE
25 ~ 44 SEG24 ~ SEG5
TE
L 13942296513
45 SEG4
46 SEG3
47 SEG2
48 SEG1
49 FPREQ
50 FERST
51 AMUTE
52 RESERVE
53 STRST
54 ROMRST
55 VSS
56 RESERVE
57 HSCK
58 HRXD
59 HTXD
60 NT/PAL
61 AVCC
62 KEY1
www
63 KEY2
64 V-DET
.
http://www.xiaoyu163.com
I/O
I Infa-red signal input.
I Connected to GND.
O Not used.
– GND.
O 4MHz crystal oscillator out.
I 4MHz crystal oscillator in.
I Connected to GND.
I Chip hard reset.
I Region code 0. (Connected to GND)
I Region code 1. (Connected to GND)
I Region code 2. (Connected to GND)
I OSD mode select. (Not used)
I Front panel chip select.
O LED on for backlight LED (H: Off, L: On).
O Power on control.
– +3.3V power supply.
– Not used.
O LCD common output.
I/O Not used.
O LCD segment output.
I LID-SW detect (H: Open, L: Close).
O Send data for amplifier. (Not used)
I Receive data from amplifier. (Not used)
O Data clock for SCI. (Not used)
O SCI request for IC, STI5519 (L: Request).
O Hard reset for front end.
O Audio mute (H: Mute, L: Off).
O Not used.
O Hard reset for IC, STI5519.
O Hard reset for FLASH ROM.
– GND.
I Connected to pull-up resistor.
I SCI clock in.
I SCI data in.
O SCI data out.
I Video output mode select (H: PAL, L: NT). (Not used)
– +3.3V power supply.
I Key search 1 (2 keys). [POWER, TIME]
I Key search 2 (5 keys). [STOP, PLAY, PAUSE, FF, REW]
x ao u163
y
I Input voltage detect (Limit > = 2.5V).
i
http://www.xiaoyu163.com
2 9
8
Description
Q Q
3 6 7 1 3 1 5
co
.
-73-
9 4 2 8
0 5 8 2 9 9 4 2 8
m
XD-DV1
9 9
9 9