Pioneer XV-DV232 Service Manual page 102

1
QQ
3 7 63 1515 0
BU1924FS (W51 DVDMAIN ASSY : IC5701)
• RDS Demodulator
A
Pin Arrangement (Top view)
QUAL 1
RDATA 2
VREF 3
MUX 4
VDD1 5
VSS1 6
B
VSS3 7
CMP 8
Pin Function
C
No. Pin Name
1 QUAL
2 RDATA
3 VREF
TE
L 13942296513
4 MUX
5 VDD1
6 VSS1
7 VSS3
8 CMP
9 T1
D
10 T2
11 VSS2
12 VDD2
13 XI
14 XO
15 (NC)
16 RCLK
E
www
F
102
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2
16
RCLK
15
(NC)
14
XO
13 XI
12 VDD2
11 VSS2
10 T1
9
T2
I/O
O Output signal quality Good: H, Bad: L
O
Demodulation data output
−
Reference voltage
I Composite signal input
−
Analog power supply
−
Analog ground
−
Analog ground
−
Comparator
I
Input for test H: Internal clock stop, L: Operation
I
Input for test (Open or connect to GND.)
−
Digital ground
−
Digital power supply
I Connect a 4.332MHz crystal.
O
Connect a 4.332MHz crystal.
−
Non connection
O Demodulation clock (1187.5kHz) output
x ao
y
. i
2
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3
8
Block Diagram
100kΩ
4
MUX
VREF 3
5
VDD1
6
VSS1 1187.5Hz
VDD2 4
12VSS2 11
13 14
XI XO
Pin Function
Q Q
3 6 7 1 3
u163
.
XV-DV232
3
4
2 9 9 4
VSS3 CMP
7 8
8th Switched
Capacitor Filter
Comparator
PLL 57kHz
RDS/ARI
PLL Biphase Deferential
Decoder Decoder
Clock
Test
10 9
T1 T2
1 5 0 5 8 2 9
m
co
4
2 8
9 9
RCLK
16
QUAL
1
RDATA
2
9 4 2 8 9 9