Sony STR-K7000 Service Manual page 44

STR-K7000
• IC Block Diagrams
IC501 µPC2581V-S (MAIN BOARD (2/3))
IC601 µPC2581V-S (MAIN BOARD (2/3))
IC701 µPC2581V-S (MAIN BOARD (2/3))
BIAS CIRCUIT
PROTECTOR
PRE PRE
REG DRIVE DRIVE
DRIVE
DRIVE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
IC1301 LC89056W-E (DIGITAL BOARD (1/5))
12 11 10 9 8 7 6
CKOUT 13
BCK 14
PLL
LRCK 15
DATAO 16
XSTATE 17
DGND 18
DVDD 19
X'TAL1
XMCK 20
TIMING
XOUT 21
XIN 22
EMPHA 23
AUDIO 24
STR-K7000
5 4 3 2 1
48 XMODE
47 CKSEL1
46
CKSEL0
45 DOSEL1
44 DOSEL0
43 DVDD
42 DGND
INPUT
41 MODE1
40 MODE0
39 XSEL
38 CLK
37 CE
DATA
DEMODULATOR
LOCK fs
DETECTION CALCULATION
25 26 27 28 29 30 31 32 33 34 35 36
IC1401 PCM1800E/2K (DIGITAL BOARD (3/5))
24 23
SINGLE-END
DEFERENTIAL
CONVERTER
1
IC1452 PCM1609APT (DIGITAL BOARD (3/5))
RST 37
SYSTEM
SCKI 38
CLOCK
SCKO 39
MANAGER
BCK 40
LRCK 41
TEST 42
OVER SAMPLING
SERIAL
VDD 43
INPUT
INTERFACE
DGND 44
DATA1 45
DATA2 46
DATA3 47
ZEROA 48
ZERO DETECT
1 2 3
44 44
22 21 20 19 18 17 16
DIGITAL
MODULATOR 1/64
SERIAL I/O
DECIMATION
INTERFACE
FILTER
&
MODE/FORMAT
LOW-CUT
CONTROL
DIGITAL FILTER
MODULATOR
SINGLE-END CLOCK/
REFERENCE DEFERENTIAL TIMING CONTROL RESET/
CONVERTER POWER CONTROL
2 3 4 5 6 7
36 35 34 33 29 28 27 26 25
32 31 30
FUNCTION
CONTROL
INTERFACE
DAC LPF
DAC LPF
DAC LPF
ENHANCED
4X/8X
MULTI-
DAC LPF
DIGITAL LEVEL
FILTER DELTA-
WITH SIGMA
FUNCTION MODULE
CONTROLLER
DAC LPF
DAC LPF
DAC LPF
DAC LPF
4 5 6 7 8 9 10 11 12
15 14 13
&
8 9 10 11 12
24 VCC3
23 AGND3
22 VCC4
21 AGND4
20 VOUT8
19 AGND6
18 VCC5
17 AGND5
16 VOUT7
15 VCOM
14 VOUT1
13 VOUT2