5-17
Pin No. Pin Name I/O Description
43 XCS OSD O
Chip select signal output to the on screen display controller (IC401) “L” active
44 MOD UNDEF O
Output terminal for the test (signal judgment result uncertain (“H” active)) Not used (open)
45 PLL ERROR O
Output terminal for the test (PLL communication (7h) error (“H” active)) Not used (open)
46 MOD CHG O
Output terminal for the test (signal judgment result variable (toggle)) Not used (open)
47 OSD TRE I
Monitor input during transfer operation from the on screen display controller (IC401)
“H” active
48 XALVS ON O
AVLS on/off control signal output to the headphone amplifier (IC151) “L”: AVLS on
49 DBB MID ON O
Bass boost control signal output to the headphone amplifier (IC151) *1
50 DBB NORM ON O
Bass boost control signal output to the headphone amplifier (IC151) *1
51 VDD —
Power supply terminal (+5V)
52 32KHZ IN I
Sub system clock input terminal (32.768 kHz) (for clock)
53 32KHZ OUT O
Sub system clock output terminal (32.768 kHz) (for clock)
54 VSS —
Ground terminal
55 3D ON O
Control signal output for the 3D (L & R independent) screen display “H” active
56 3D POL OUT O
3D L/R picture selection inverted output terminal
57 XTG RES O
Reset signal output to the LCD timing generator (IC301) “L”: reset
58 OSD DISP O
Display outputs (R/G/B OUT, IOUT, VOB1, VOB2) control signal output to the on screen
display controller (IC401)
59 EXT/XINT O
Sync selection signal output to the sync signal select switch (IC447, 451)
“L”: internal sync signal selection, “H”: external sync signal selection
60 — O
Not used (open)
61 BATT IN I
Power failure detection signal input terminal
62 XVSYNC I
Vertical sync signal interruption input from the LCD timing generator (IC301) “L” active
63 XS DET I
Connection detect signal input of the S terminal “L”: connection Not used (fixed at “L”)
64 XEXT 3D IN I
2D/3D stereoscopic control signal input terminal “L” 3D stereoscopic mode, “H” 2D mode
65 MENU A I
Jog dial pulse input from rotary encoder (S905) for the menu setting (A phase input)
66 MENU B I
Jog dial pulse input from rotary encoder (S905) for the menu setting (B phase input)
67 BRIGHT B I
Jog dial pulse input from rotary encoder (S1301) for the BRIGHT control (B phase input)
68 BRIGHT A I
Jog dial pulse input from rotary encoder (S1301) for the BRIGHT control (A phase input)
69 — I
Not used (fixed at “L”)
70 TEMP I
Connection terminal of the board temperature sensor (analog input)
71 BATT SENS I
Input of the battery capacity detection (analog input)
72 CHARGE A/D I
Input of the charging voltage and battery voltage detection (analog input)
73 DC IN A/D I
DC input voltage detection (analog input)
74 AVSS —
Ground terminal (for A/D converter)
75 AVREF0 I
Reference voltage (+5V) input terminal (for A/D converter)
76 AVREF1 I
Reference voltage (+5V) input terminal (for A/D converter)
77 AVDD —
Power supply terminal (+5V) (for A/D converter)
78 HSYNC DET I
External horizontal sync detection signal input from the CXA1616N (IC443)
“H”: horizontal sync signal detected
79 VSYNC DET I
External vertical sync detection signal input from the CXA1616N (IC443)
“H”: vertical sync signal detected
80 POL H I
External horizontal sync polarity input from the CXA1616N (IC443)
“L”: positive polarity, “H”: negative polarity
81 POL V I
External vertical sync polarity input from the CXA1616N (IC443)
“L”: positive polarity, “H”: negative polarity
82 XLOOK ON I
Picture watching detection signal input terminal “L”: picture watching
83
XVIDEO
SYNC DET
I
Video signal sync detection signal input terminal “L”: sync signal detected
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com
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