Ic Block Diagram - Sanyo CDP-150 Service Manual

i
IC BLOCK DIAGRAM & DESCRIPTION
IC151 LC5876-1G59 ( MICRO PROCESSOR )
No.
Name 1/0 Description
1 COM2 o LCD common 2 outpu!
2
COM 1
0 LCD
common 1 ouipui
3
CUP1 - Switching termmai for LCD drrvmg voltage
4
CUP2 -
Swi[chmg terminal for LCD
driving voltage
5
RES
I Reset terminal (L+H)
6
EXT-INT I EXT-INT Iermmai
7 SQOUT I Data bus for DSP
output
8 COIN o Data bus for DSP
input
9 CQCK o Data bus for DSP
input
10 WFfQ o
Data
bus for DSP
input
11
BATT IN I Input for batlery mark on LCD
12 TEST I Input for adjustment of CD player (Normally H)
13 HOLD i Input for key hold (Normally H)
14
CHARGE I
Input for battery charge mark on LCD
15 BRSSA - No
connection
16 BRSSB - No
connection
17 BRSSC - No connection
18
SERVICE -
No connection
19 XTOUT - No connection
20 XTIN - No connection
21
VDD2 - Power supply for LCD driver
22 VDD1 -
Power supply for LCD driver
23 Vss - Ground
24 VDD - Power supply
25 CF-IN I Connect ceramic resonator for 4. I 9 MHz clock
26 CF-OUT o Connect ceramic resonator
for 4.19
MHz clock
27 LIMIT SW I Input for LIMIT switch of laser pick up
28
OPEN I ,
CLOSE SW
Input for lid switch (OPEN / CLOSE)
29 SYS.DOWN I Input of voltage monitor of battery
30 DRF - No connection
31
K1 I Key scan input
32
K2 I Key scan input
33
K3 I Key scan input
34
K4 I Key scan input
35
NC - No connection
36
NC - No connection
37 A-MUTE o Mute signal output
38
POWER - No connection
39 LED A -
No connection
40
LED B -
No connection
A
NO. Name 1/0 Description -
41
LED C - No connection
42 BEEP - No connection
43 TEST - LSI test terminal, normal ground
44
SEG1 o Key scan
output
45 SEG2 o Key scan output
46 POWER 2 - No connection
47 A-MUTE - No connection
48 POWER o Ouiput signal for power "ON"
49 XRST o Output signal for DSP reset terminal
50
RWC o Output signal for DSP read I write command
51 LB ON/OFF
- No connection
52
LB AIB -
No connection
53 BACK LIMIT
- No connection
54
NC -
No
connection
55 D-MUTE -
No connection
56 SLM o Select
terminal of
sled motor drive
57
SL + -
Sled motor drive amplifier u +" output
58
SL- - Sled motor drive ampkfier "-" output
59 NC -
No connection
60 NC - No connection
61
NC - No connection
62
NC - No connection
63
NC -
No connection
64
NC - No connection
65
NC - No connection
66
NC - No connection
67
NC - No connection
68
NCl - No connection
69
NC -
No connection
70 NC - No connection
71 NC - No connection
72 LCD SEGO O LCD segment data
73 LCD SEG1 o LCD segment data
74 LCD SEG2 O LCD segment data
75 LCD SEG3 O LCD segment data
76 LCD SEG4 O LCD segment data
77 LCD SEG5 O LCD segment data
78 LCD SEG6 O LCD segment data
79 COM4 I o LCD common 4 output
80 COM3 o LCD common 3 output
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