Read Sony ICF-C717PJ Service Manual online
ICF-C717PJ
ICF-C717PJ
16
16
• IC Block Diagrams
– MAIN Board –
IC202 R2A15909SP
INR1 1
INPUT
SELECTOR
REFERENCE
VOLTAGE
CEXT
IGOUTL
17
DGND
20
DEPOP
SURROUND
MODE
SELECTOR
21
VOLINL
22
INPUT GAIN
CONTROL
SCL
18
SDA
19
I2C
INTERFACE
INR2 2
INR3 3
INR4 4
INR5 5
DIFFR 6
DIFFL 8
DIFFG 7
INL5 9
INPUT
SELECTOR
INL4 10
INL3 11
INL2 12
INL1 13
REFIN 15
AGND 14
VCC 16
+
–
–
+
–
MUTE
IGOUTR
23
BASSL2
25
BASSL1
26
TREL
27
INPUT GAIN
CONTROL
TONE CONTROL
Lch BASS/TREBLE
TRER
28
BASSR1
29
BASSR2
30
LOUT
31
ROUT
32
TONE CONTROL
Rch BASS/TREBLE
MUTE
VOLUME
VOLUME
VOLINR
24
IC301 UTC8227 S
1
7
8
9
10
11
12
3
4
4
+
–
+
–
–
VCC1
CH-1
CH-2
OUTPUT1
BOOT STRAP1
PRE GND
NF1
INPUT1
VCC2
OUTPUT2
BOOT STRAP2
RIPPLE
NF2
INPUT2
OUTPUT2
BOOT STRAP2
RIPPLE
NF2
INPUT2
2
5
6
6
IC801 SI4730-C40
FMI 8
RFGND 9
NC 10
NC 11
NC 11
NC 6
NC 7
NC 7
GPO2/INT 4
GPO1 5
DFS 2
DOUT 1
GPO3/DCLK 3
AMI 12
ROUT
23
GND
VDD
VDD
22
GND
14
GND
13
21
SDIO
18
SCLK
17
SEN
16
RST
15
VIO
20
RCLK
19
LOUT
24
D/A
CONVERTER
D/A
CONVERTER
LOW
DROP OUT
LOW
INTERFACE
CONTROL
INTERFACE
A/D
CONVERTER
AUTO FREQUENCY
CONTROL
A/D
CONVERTER
LOW NOISE
AMPLIFIER
AUTO GAIN
CONTROL
LOW NOISE
AMPLIFIER
AUTO GAIN
CONTROL
DIGITAL
SOUND
PROCESSOR
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