Sony HCD-D890AV Service Manual page 19

IC1701 IR3R42
20 19 18 17
1/2 1/2 OSC
AMP
PHASE
WAVEFORM
SEP.
AMP
REGULATOR
GATE
2 3
1
IC1752 BU1922
16 15
QUALITY BIT
GENERATOR
DEFFERENTIAL
DECODER
1 2
16 15 14 13 12
AMP
PHASE
COMPARATOR
PHASE
COMPARATOR 2
SAMPLE
MUTE
& HOLD
BUFFER
4 5 6 7 8 9
14 13 12
OSCILLATOR
RECONSTRUCTION
AND
FILTER
DIVIDER
BIPHASE
SYMBOL
DECODER
3 4 5
11
TRIGGER
10
11 10
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
57kHz
ANTI-
BANDPASS
ALIASING
(8th ORDER)
FILTER
CONTAS LOOP
CLOCKED
VARIABLE AND
COMPARATOR
FIXED DIVIDER
CLOCK REGENERATION
AND SYNC
VP1
REFERENCE
VOLTAGE
6 7
– 86 –
9
8