Philips ST-D777ES - Diagrams; IC Block Diagram - LA, BU, NJM Series

33
IC301 LA3401 (MAIN board)
IC401 BU1924F (MAIN board)
IC905 NJM2103D (POWER board)
1
FM/AM SELECT
MUTING
FM/AM SELECT CONTROL
LOGIC / MUTE ON/OFF
MUTING
OUT
LAMP
DRIVE
PLL
VCC
GND
MPX
22 21 20 19 18 17 16 15 14 13 12
2 3 4 5 6 7 8 9 10 11
ANALOG
DIGITAL
RCLK NC XO XI
VSS2
T2
VDD2
T1
QUAL
RDAT
VREF
MUX
VDD1
VSS1 VSS3
CMP
1 43 65 872
141516 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
1
2
3
4
5
6
7
8
V+
VSB/SESIN
VSA
RESET
GND
OUTC
VSC
CR
VREF
+
–
–
+
–
+
–
+
Q
R S