Sony STR-K1500 - Receiver Component For Ht-ddw1500 Service Manual page 40

STR-K1500
• IC Block Diagrams
– DIGITAL Board –
IC1301 LC89056W-E
36 35
CE 37
CLK 38
MICROCOMPUTER
INTERFACE
XSEL 39
MODE0 40 MODE
SELECT
MODE1 41
DGND 42
DVDD 43
DOSEL0 44
DOSEL1 45
CKSEL0 46
CKSEL1 47
SYSTEM
XMODE 48
RESET
1 2 3
IC1401 PCM1800E
24 23 22 21 20 19
DIGITAL ∑
MODULATOR
DIGITAL ∑
MODULATOR
SINGLE-END SINGLE-END
DEFERENTIAL REFERENCE DEFERENTIAL
CONVERTER CONVERTER
1 2 3 4
STR-K1500
34 33 32 31 30 29 28 27 26 25
24 AUDIO
C BIT PA/PB
DETECT DETECT
23 EMPHA
SAMPLING
FREQUENCY
22 XIN
LOCK CLOCK 21 XOUT
DETECT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
DATA
14 BCK
TIMING
DEMODULATOR
13 CKOUT
PLL
INPUT
CIRCUIT
4 5 6 7 8 9 10 11 12
18 17 16 15 14 13
1/64
SERIAL I/O
DECIMATION
INTERFACE
FILTER
&
&
MODE/FORMAT
LOW-CUT
CONTROL
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
5 6 7 8 9 10 11 12
IC1601, IC1602 SN74HC595ANSR
QB
1
QC
2
QD 3
QE 4
QF 5
QG 6
QH 7
GND
8
40 40
16 VCC
15 QA
3R
1D 14 S-IN
C3
C1
3S R 13 OE
12 LAT
3R 2S
2R
C3
C2 11 CLK
3S R
3R 2S
2R
C3
C2
3S R 10 RST
3R 2S
2R
C3
C2
3S R
3R 2S
2R
C3
C2
3S
R
3R 2S
2R
C3
C2
3S
R
3R 2S
2R
C3
C2
3S
R
3R 2S
2R
C3
C2
3S R
S-OUT
9
IC1503 TC7WH157FU
1 8
1A Vcc
1B 2 7 1Y
2Y 3 6 2B
GND 2A
4 5