BenQ SE2241 Product Service Manual page 67

SYMBOL PIN
ANT(5V)
BB(CTR)
GND
+B(5V)
N.C
RF AGC
VT
N.C
GND
DATA
CLOCK
AIF
AIF
N.C
Video
Audio
SIF
SDA
SCL
RST
3.3V
1.8V
ERR
MCL
D7
D6
D5
D4
D3
D2
D1
D0
VAL
SYNC
DESCRIPTION
1 Supply voltage +5V , for ANT
2 Supply voltage +5V , for Booster
3 Ground
4 Supply voltage +5 V , for Tuner & IF Section
5 Not connected
6 RF AGC output
7 Tuning Voltage, DO NOT CONNECT IT to ANYWHERE
8 Not connected
9 Ground
I2C Bus for TUNER PLL, Analog IC. Use it for I2C Bus
10
i f
I2C Bus for TUNER PLL, Analog IC. Use it for I2C Bus
11
i f
12 TU IF Output. DO NOT CONNECT IT to ANYWHERE
13 TU IF Output. DO NOT CONNECT IT to ANYWHERE
AFT (Auto Fine Tuning) Output, DO NOT CONNECT IT to
14
ANYWHERE
15 Analog Video Output
16 Analog Audio Output
17 Second IF Sound Output
18 I2C Bus for COFDM IC, Use it for I2C Bus interface
19 I2C Bus for COFDM IC, Use it for I2C Bus interface
20 COFDM IC Reset . Active at low level
21 3.3V Supply for COFDM IC
22 1.8V Supply for COFDM IC
Output Error
23
k ( BKERR )
24 Output Byte Clock signal(=MCLK)
25 Output D7 signal (=MDO7 )
26 Output D6 signal
27 Output D5 signal
28 Output D4 signal
29 Output D3 signal
30 Output D2 signal
31 Output D1 signal
32 Output D0 signal
33 Output Data Valid signal (=MOVAL)
34 Output Packet sync signal (=MOSTRT )
Signal. In case
4
of uncorrectable