Co-Processor Circuit (For Reference Only) - Panasonic SA-PT470EB Service Manual

17.9. Co-processor Circuit (For reference only)

1 2 3
SCHEMATIC DIAGRAM - 18
A
CO-PROCESSOR CIRCUIT (FOR REFERENCE ONLY)
B
CN1701
B
+3.3V 1
TO
Q1702
DGND 2
MAIN CIRCUIT
B1CFGC000004
(CN2014) IPHONE_I2C_SDA 3
LEVEL SHIFTER
IN SCHEMATIC IPHONE_RST 4
DIAGRAM - 7 IPHONE_I2C_SCL 5
Q1704
B1CFGC000004
LEVEL SHIFTER
C
D
E
F
G
H
1 2 3
4 5 6
IC1701
MFI341S2161
MICRO CONTROLLER
20 19 18 17 16
R1712
220 1 NC NC 15
2 MODE1 MODE0 14
R1714 3 NC I2C_SDA 13
4 nRESET I2C_SCL 12
G
10K
5 11
VCC VSS
D S
6 7 8 9 10
G
R1715
10K
D S R1711
220
Q1703
B1GBCFLL0037
INVERTER
4 5 6
7 8 9
: +B SIGNAL LINE
7 8 9
127
10 11 12
SA-PT470EB/EF/EG CO-PROCESSOR
10 11 12
13 14
A
B
C
D
E
F
G
CIRCUIT
H
13 14