Pioneer BD-V1100 Service Manual page 48

BD-V1100, BD-V1110
TDA8051T [MAIN ASSY (2/12) : IC2001]
• QPSK Receiver IC
•
Block Diagram
A2VCC
LNA_OUT 8
LNA_IN 9
AGC_IN 11
DEMOD_IN 7
14
CK
DATA 15
16
EN
DVCC 13
DGND 20
•
Pin Function
No. Pin Name
1 I_OUT I data bufferised balanced output
2 I_OUTC I data bufferised balanced output
3 I_OUT2 I data filtered output
4 I_IN1 Input to active filter amplifier for I data
5 I_OUT1 I data raw output
6 A1VCC Analog DC supply
7 DEMOD_IN Demodulator RF input
8 LNA_OUT Low noise amplifier RF output
9 LNA_IN Low noise amplifier RF input
10 A1GND Analog DC ground
11 AGC_IN AGC control voltage input
12 OSC_IN Oscillator input
13 DVCC Digital DC supply
14 CK 3 wire bus serial control Clock
15 DATA 3 wire bus serial control Data
3 wire bus serial control Enable (active low)
16 EN
48
A2GND A1VCC A1GND
23 24 6 10
Voltage
Reference
3 Wire Bus
Tranceiver
Programmable
Digital Phase
Charge
Comparator
Pump
Programmable
18 19 17
CP TUNE TEST
Function
A3VCC OUTVCC OUTGND
25 27 26
90
Divider
Divider
12 22
OSC_IN TKa
No. Pin Name
17 TEST
18 CP
19 TUNE
20 DGND
21 TKb
22 TKa
23 A2VCC
24 A2GND
25 A3VCC
26 OUTGND
27 OUTVCC
28 Q_OUT1
29 Q_IN1
30 Q_OUT2
31 Q_OUTC
32 Q_OUT
3
I_OUT2
1
I_OUT
2
I_OUTC
4
I_IN1
30
Q_OUT2
32
Q_OUT
31
Q_OUTC
29
Q_IN1
5
I_OUT1
28
Q_OUT1
0
21
TKb
Function
Test pin : do not connect
Charge pump output for PLL loop filter
Tuning voltage output
Digital DC ground
VCO tank circuit input
VCO tank circuit input
Analog DC supply
Analog DC ground
Analog DC supply
Output amplifiers DC ground
Output amplifiers DC supply
Q data raw output
Input to active filter amplifier for Q data
Q data filtered output
Q data bufferised balanced output
Q data bufferised balanced output