JVC RC-BM5 Service Manual page 30

RC-BM5
BA5417 (IC201) : Dual power amplifier
1. Terminal layout & Block diagram
T.S.D.
Vcc
BS BS
1 2 3 4 5 6
NJM7805FA (IC505) : Regulator
1. Terminal layout
1.INPUT
2.OUTPUT
3.GND
1 2 3
RPM6938-V4 (IC402) : Remote control receiver
1. Block diagram
AMP
I/V
conversion
PD
magnetic shield
1-30
30K
30K
30K
ST.BY
45 45
FILTER
7 8 9 10 11 12 13 14
2. Block diagram
1
INPUT
Vcc
AGC
Comp
BPF
Detector
for
trimming circuit
2. Pin function
Pin No. Symbol
1 NC
2 BS
3 OUT1
4 VCC
5 OUT2
30K
6 BS
7 GND
8 ST.BY
15
9 FILTER
10 RF1
11 IN2
12 IN1
13 RF2
14 PRE GND1
15 PRE GND2
OVER VOLTAGE PROTECTION
THERMAL SHUTDOWN
BANDGAP REFERENCE
SOA PROTECTION
SHORT CIRCUIT
PROTECTION
VDD
3
22k
ohm
OUT
1
GND
2
I/O Function
- Not connect
- BS
O Output terminal
O Power supply
O Output terminal
O BS
O Power GND
I ST.BY
I Filter
- RF1
- Input terminal
- Input terminal
- RF2
I/O PRE GND
O PRE GND
Q1
2 OUTPUT
R1
R2
3
GND