Grundig CINIO AVR 5200 DD, Service Manual

Page: 40 / 43

GRUNDIG Service CINIO AVR 5200 DD
2 - 18
Tuner
REVERENCE
DIVIDER
SWALLOW COUNTER
1/16, 1/17 4bits
12 bits PROGRAMMABLE
DIVIDER
1/2
DATA SHIFT REGISTER
LATCH
CCB
I/F
21
17
6
5
4
3
15
16
22
1
VSS
VDO
DO
CL
DI
CE
AM IN
FM IN
XOUT
XIN 10
19
20
12 12
PO
A IN
A OUT
IF IN
13 11 10 9 8 7
IO2 IO1 BO4 BO3 BO2 BO1
POWER ON
RESET
UNIVERSAL
COUNTER
UNLOCK
DETECTOR
PHASE DETECTOR
CHARGE PUMP
IC02 (LC72131)
V
SS3
comparator
8th Switched
capacitor filter
anti-aliasing
filter
120k
Ω
100k
Ω
100k
Ω
Analog
Power supply
Digital
Power supply
PLL
57kH
Z
RDS/ARI
PLL
1187.5Hz Bi-phase
decoder
Measurement
circuit
Differential
decoder
Reference
clock
(4)
(3)
(5)
(6)
(12)
(11)
(13) (14) (10)
(7) (8)
(16)
(2)
(9)
(1)
IC03 (BU1924F)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ALC
BUFF
AM
OSC
AM
MIX
REG
AM
RF.AMP
AGC
DET AM IF
SD
COMP
AM
S-METER
FM
S-METER
S-CURVE
AM/FM
IF-BUFF
AM IF
FM
DET
TUNING
DRIVE
STEREO
DRIVE
GND GND
STEREO
SW
MUTE
VCO
304kHz
FF
38k
PILOT
DET
FF
19k
∠
–
π
2
FF
19k
∠ Θ
P-DET
ø
DECODER
ANTI-BIRDIE
3rd or 5th
IC01 (LA1837)