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IC DESCRIPTION1 VSS – Connected to GND.
2 POWER O During standby mode, "H" level is inserted to switch off H deflection & high voltage.
3 SIF A O SOUND IF switch A.
4 SIF B O SOUND IF switch B.
5 BBE O BBE select.
6 Q SUR O Q SURROUND switch.
7 N RESET O NICAM RESET ("L" = reset).
8 BBS O BASS BOOST / S-WOOFER.
9 VOL –Not used.
10 EXT I External bus switch.
11 SCL1 O I2C bus CH1 clock.
12 SDA1 I/O I2C bus CH1 data.
13 H SYNC I Sync signal input pin for detection.
14 KEY IN I Input key is detected by monitor.
15 D DET1 I Power condition 1 (mid = good, low/high = bad).
16 D DET2 I Power condition 2 (mid = good, low/high = bad).
17 AFC I AFT voltage input pin.
18 MPX/MSP I MPX detect / MSP key in. (Connected to VDD through a resistor)
19 SGV O Test signal output when test mode. (Not used)
20 SUFFIX I Feature select (initial) input.
21 VSS – Connected to GND.
22 OSD R O OSD red output.
23 OSD G O OSD green output.
24 OSD B O OSD blue output.
25 OSD Y O OSD blanking signal output.
26 HD I OSD horizontal synchronised signal input.
27 VD I OSD vertical synchronised signal input.
28 OSC1 – Connected to OSC coil.
29 OSC2 – Connected to OSCcoil.
30 TEST – Connected to GND.
31 X IN I 8 MHz clock input.
32 X OUT O 8 MHz clock output.
33 RESET I Use to reset the micon when power up.
34 LN MUTE O "H" to mute the line out signal.
35 SP MUTE O "H" to mute the audio signal.
36 RMC I Remote control signal is led to this pin.
37 SCL0 I I2C bus CH2 clock.
38 SDA0 I/O I2C bus CH2 data.
39 SEL1 O Input select switch 1.
40 SEL2 O Input select switch 2.
41 WAKEUP O LED (wakeup timer).
42 VDD – 5V supply.
Pin No. Pin Name I/O Description