Sony STR-DB830 Service Manual - Page 37

Ic Block Diagrams

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4-23. IC BLOCK DIAGRAMS IC1206 NJM2103M (DIGITAL BOARD) CR 1 VSC 2 +- OUTC 3 GND 4 VREF Q RS 8 RESET -+ 7 VSA 6 VSB/SESIN 5 V+ +- +- XO XI VDD2 VSS2 T1 T2 IC1 BU1924F (TUNER BOARD) 16 15 RCLK NC 14 13 12 11 10 9 DIGITAL PLL 1187.5Hz PLL 57kHz RDS/ARI COMPARATOR CLOCK ANALOG BIPHASE DECODER DEFFERENTIAL DECODER 8th SWITCHED CAPACITOR FILTER ANTI-ALIASING FILTER 1 2 3 4 56 7 8 TEST QUAL RDAT VREF MUX VDD1 VSS1 VSS3 CMP - 59 -

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4-23.
IC BLOCK DIAGRAMS
IC1206 NJM2103M (DIGITAL BOARD)
1
2
3
4
5
6
7
8
V+
VSB/SESIN
VSA
RESET
GND
OUTC
VSC
CR
VREF
+
–
–
+
–
+
–
+
Q
R
S
IC1 BU1924F (TUNER BOARD)
ANALOG
DIGITAL
RCLK
NC
XO
XI
VSS2
T2
VDD2
T1
QUAL
RDAT
VREF
MUX
VDD1
VSS1
VSS3
CMP
1
4
3
6
5
8
7
2
14
15
16
13
12
11
10
9
CLOCK
PLL 57kHz
RDS/ARI
COMPARATOR
8th SWITCHED
CAPACITOR
FILTER
ANTI-ALIASING
FILTER
BIPHASE
DECODER
PLL
1187.5Hz
DEFFERENTIAL
DECODER
TEST