Pioneer AVIC-505 Service Manual page 85

- Pin Functions (BA6797FM)
Pin No. Pin Name
1 OUT1-A
2 OUT1-B
3 PRE-OUT1
4 IN1(-)
5 IN1(+)
6 REG-B
7 REG-OUT
8 BIAS-IN
9 MUTE
10 IN2(+)
11 IN2(-)
12 PRE-OUT2
13 OUT2-B
14 OUT2-A
15 GND
16 OUT3-A
17 OUT3-B
18 PRE-OUT3
19 IN3(-)
20 IN3(+)
21 VCC
22 VCC
23 IN4(+)
24 IN4(-)
25 PRE-OUT4
26 OUT4-B
27 OUT4-A
28 GND
BA6797FM
I/O Function and Operation
O Driver CH1 output
O Driver CH1 output
O CH1 pre-amplifier output
I CH1 pre-amplifier inverted input
I CH1 pre-amplifier input
O External Tr base connection
O Fixed voltage output (External Tr collect connection)
I Bias input
I Mute control
I CH2 pre-amplifier input
I CH2 pre-amplifier inverted input
O CH2 pre-amplifier output
O Driver H2 output
O Driver CH2 output
Sub straight GND
O Driver CH3 output
O Driver CH3 output
O CH3 pre-amplifier output
O CH3 pre-amplifier inverted output
O CH3 pre-amplifier output
VCC
VCC
O CH4 pre-amplifier output
O CH4 pre-amplifier inverted output
O CH4 pre-amplifier output
O Driver CH4 output
O Driver CH4 output
Sub straight GND
AVIC-505
85