Y MAIN BOARD (1/2) IC701 MSM65354-406GS-BK4 (SYSTEM CONTROLLER, LCD DRIVER, KEY CONTROL)
Pin No.Pin NameI/OFunction
1COM1O
2COM2O
Common drive signal output to the liquid crystal display (LCD401)
3COM3O
4COM4O
5SEG0O
6SEG1O
7SEG2O
8SEG3OSegment drive signal output to the liquid crystal display (LCD401)
9SEG4O
10SEG5O
11SEG6O
12NCONot used (open)
13SEG7O
14SEG8O
15SEG9O
Segment drive signal output to the liquid crystal display (LCD401)
16SEG10O
17SEG11O
18SEG12O
19 to 36NCO Not used (open)
37AGNDNGround terminal (analog system)
38NINot used (fixed at OH�)
CD lid open/close detection switch (S401) input terminal
39DOOR OPENI
The stop status is reset with the falling edge of input signal OH�: CD lid open, OL�: CD lid close
Key input terminal (A/D input)
40KEY IN1I
RETURN, MENU Ä�, PREV Â, Ã�, NEXT ?, MENU + keys input (S441 to 446)
Key input terminal (A/D input)
41KEY IN2I1 POWER OFF, SELECT, MEGA BASS, ESP, PLAY MODE, REPEAT/ENTER keys input
(S421 to 426)
42DC CHKIDC in voltage detection input terminal (A/D input) Also used for DC IN detection
43NTSC/PALIVideo system select switch (S703) input terminal OL�: NTSC, OH�: AUTO
44DCINJACKIDC IN 6V jack (J801) detection input terminal OL�: plug in
45VIDEOJACKIAUDIO/VIDEO OUT jack (J901) detection input terminal OL�: plug in
46VRHIReference voltage input terminal (+3.3V) (for A/D converter)
47AVDDNPower supply terminal (+3.3V) (analog system)
MEGA BASS on/off control signal output to the BA3574BFS (IC360)
48DBB CTL1O
OL�: MEGA BASS on (level-1 and level-2)
49AU-MUTEOAnalog line mute control signal output terminal OH�: mute on
50XAU-RESETOReset signal output to the CXD2545Q (IC601) and D-RAM controller (IC680) OL�: reset
Reset signal output to the MPEG audio/video decoder (IC901) and video encoder (IC920)
51XV-RESETO
OL�: reset
52HOLDOHOLD switch (S701) input terminal OL�: hold off, OH�: hold on
53RESUMEIRESUME switch (S702) input terminal OL�: resume off, OH�: resume on
54XDSPLTOSerial data latch pulse signal output to the CXD2545Q (IC601)
55XDACLTOSerial data latch pulse signal output to the D/A converter (IC320)
56V-POWEROVideo CD system power supply on/off control signal output terminal OL�: power on
57AU-POWEROAudio CD system power supply on/off control signal output terminal OL�: power on
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