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• MAIN BOARD (1/2) IC701 MSM65354-406GS-BK4 (SYSTEM CONTROLLER, LCD DRIVER, KEY CONTROL)
Pin No.
Pin Name
1
COM1
2
COM2
3
COM3
4
COM4
5
SEG0
6
SEG1
7
SEG2
8
SEG3
9
SEG4
10
SEG5
11
SEG6
12
NC
13
SEG7
14
SEG8
15
SEG9
16
SEG10
17
SEG11
18
SEG12
19 to 36
NC
37
AGND
38
—
39
DOOR OPEN
40
KEY IN1
41
KEY IN2
42
DC CHK
43
NTSC/PAL
44
DCINJACK
45
VIDEOJACK
46
VRH
47
AVDD
48
DBB CTL1
49
AU-MUTE
50
XAU-RESET
51
XV-RESET
52
HOLD
53
RESUME
54
XDSPLT
55
XDACLT
56
V-POWER
57
AU-POWER
I/O
O
O
Common drive signal output to the liquid crystal display (LCD401)
O
O
O
O
O
O
Segment drive signal output to the liquid crystal display (LCD401)
O
O
O
O
Not used (open)
O
O
O
Segment drive signal output to the liquid crystal display (LCD401)
O
O
O
O
Not used (open)
—
Ground terminal (analog system)
I
Not used (fixed at "H")
CD lid open/close detection switch (S401) input terminal
I
The stop status is reset with the falling edge of input signal "H": CD lid open, "L": CD lid close
Key input terminal (A/D input)
I
RETURN, MENU –, PREV ≠, fl, NEXT ±, MENU + keys input (S441 to 446)
Key input terminal (A/D input)
I
π POWER OFF, SELECT, MEGA BASS, ESP, PLAY MODE, REPEAT/ENTER keys input
(S421 to 426)
I
DC in voltage detection input terminal (A/D input) Also used for DC IN detection
I
Video system select switch (S703) input terminal "L": NTSC, "H": AUTO
I
DC IN 6V jack (J801) detection input terminal "L": plug in
I
AUDIO/VIDEO OUT jack (J901) detection input terminal "L": plug in
I
Reference voltage input terminal (+3.3V) (for A/D converter)
—
Power supply terminal (+3.3V) (analog system)
MEGA BASS on/off control signal output to the BA3574BFS (IC360)
O
"L": MEGA BASS on (level-1 and level-2)
O
Analog line mute control signal output terminal "H": mute on
O
Reset signal output to the CXD2545Q (IC601) and D-RAM controller (IC680) "L": reset
Reset signal output to the MPEG audio/video decoder (IC901) and video encoder (IC920)
O
"L": reset
O
HOLD switch (S701) input terminal "L": hold off, "H": hold on
I
RESUME switch (S702) input terminal "L": resume off, "H": resume on
O
Serial data latch pulse signal output to the CXD2545Q (IC601)
O
Serial data latch pulse signal output to the D/A converter (IC320)
O
Video CD system power supply on/off control signal output terminal "L": power on
O
Audio CD system power supply on/off control signal output terminal "L": power on
Function
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