JVC KS-FX845R Service Manual page 30

4.7 BR24L16F-W-X (IC771) : EEPROM
• Pin layout
VCC WP
A0 A1
• Block diagram
A0 1
A1 2
A2 3
GND 4
4.8 RPM6938-SV4 (IC602) : Remote control receiver
• Pin diagram
1
• Block diagram
I/V
conversion
1-30 (No.49873)
SCL SDA
A2 GND
11bit
Address
11bit
decoder
START
Control circuit
High voltage osc circuit
2 3
AMP
BPF
PD
fo
trimming
circuit
magnetic shield
• Pin function
Symbol I/O
VCC -
GND -
A0,A1,A2 I
SCL I
SDA I/O Serial data I/O of slave and ward address.
WP I
16kbit EEPROM allay
Slave Ward
Address resister
STOP
ACK
Power supply
voltage det.
Vcc
AGC
Comp
Detector
Function
Power supply.
GND
No use connect to GND.
Serial clock input.
Write protect terminal.
8 Vcc
8bit
Data
7 WP
resister
6 SCL
5 SDA
22k
Vcc
Rout
GND