Ic Block Diagrams - Sony STR-DE495 Service Manual

STR-DE495/DE595

4-20. IC BLOCK DIAGRAMS

IC201 M61527FP (MAIN BOARD (1/2))
40 39 38 37 36 35 34 33 32 31 30
C ch SW ch
GND AVCC DVDD
SL ch
SLOUT 41
SR ch
SROUT 42
LATCH
C ch SW ch
MCU I/F DATA
VOL VOL
SRVIN 43
CLK
44
SRSELOUT
SW ch
SL ch VOL
RSELOUT 45
C ch
46
RVIN
47
ROUT
SL ch
48
NC
SR ch VOL
SR ch
NC 49
R ch VOL
NC 50
R ch R ch
NC 51
NC 52
L ch
NC 53
L ch
LOUT 54
LVIN 55
L ch VOL
L ch
LSELOUT 56
GND 57 GND
RECL1
58
R ch
RECR1 59
RECL2 60
61 L ch R ch
RECR2
RECL3 62
RECR3 63
AVEE
GND 64
GND
65 66 67 68 69 70 71 72 73 74 75
IC501 STK350-230 (MAIN BOARD (2/2))
29 28 27 26 25
PRE
24 CIN2
23 SLIN2
1 2 3 4
22 SRIN2
21 RIN2
20 LIN2
GND
19 GND
R ch
18
BALANCER R/+
17 BALANCER R/-
IC701 µPC2581V-S (MAIN BOARD (2/2))
GND
16 GND
L ch IC702 µPC2581V-S (MAIN BOARD (2/2))
15 BALANCER L/+
14 BALANCER L/-
GND 13
GND
PROTECTOR
12 RIN1
11 LIN1
REG DRIVE
10 SLIN1
1 2 3 4 5 6
9 SRIN1
8 SWIN1
7 CIN1
GND
6 GND
5 INR1
4 INL1
INR2
3
IC1501 AK4527B (DIGITAL BOARD (1/2))
2 INL2
1 INR3
76 77 78 79 80
44 43 42 41
SDOS 1
12C 2 FORMAT
CONVERTER
S.MUTE 3
BCLK
4
LRCK
5
SDTI1 6
SDTI2 7
SDTI3
8
SDTO
9
DAUX 10
DFS 11
12 13 14
DRIVER
GND
CKOUT
5 6 7 8 9
BCK
LRCK
DATAO
XSTATE
DGND
DVDD
XMCK
XOUT
XIN
EMPHA
AUDIO
BIAS CIRCUIT
PRE
PRE
DRIVE
DRIVE
DRIVE
7 8 9 10 11 12 13 14 15
M.OUT
40 39 38 37 36 35 34 SW5
AUDIO
I/F
MCLK
33 DZF2
DVD
32 RIN+ SW3
HPF ADC
SDOUT
31 RIN-
V2
SW4
30 LIN+
NC
HPF ADC
29 LIN-
28 ROUT1
BCLK DATT DAC LPF
LRLK
27 LOUT1
DATT DAC LPF
SDT0
SDTI1
DATT DAC LPF 26 ROUT2
SDTI2
DATT DAC LPF 25 LOUT2
VEE
24 ROUT3
DATT DAC LPF
23 LOUT3
DATT DAC LPF
15 16 17 18 19 20 21 22
34 34
IC1101 LC89056W-E (DIGITAL BOARD (1/2))
12 11 10 9 8 7 6 5 4 3
13
14
PLL INPUT
15
16
17
18
19
DATA
20 X'TAL1
TIMING
DEMODULATOR
21
22
23
24
LOCK
DETECTION
IC203 NJM2595D (VIDEO BOARD)
1
2
6dB 75Ω
AMP DRIVER
S5
3
4
5 S6
S3
6
S1
7
S2 S4
S7
8
-V
2 1
48
XMODE
47 CKSEL1
46 CKSEL0
45 DOSEL1
44 DOSEL0
43 DVDD
42 DGND
41 MODE1
MODE0
40
39 XSEL
38 CLK
37 CE
fs
CALCULATION
25 26 27 28 29 30 31 32 33 34 35 36
+V 16 VCC
15 V1.OUT
14
SW1
13
V1
12
GND
11 NC
10 SW2
9
V3