Sony D-V8000, Руководство по обслуживанию

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