Sony STR-DE400 Service Manual page 32

STR-DE400
• IC Block Diagrams
– DIGITAL Board –
IC1131 BR24L16F-WE2
VCC 8
11 bit
WP 7
ADDRESS
11 bit
DECODER
SCL 6
CONTROL CIRCUIT
HIGHT VOLTAGE
SDA 5
GENERATOR
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
STR-DE400
1 A0
16 K bit EEPROM ARRAY
8 bit
2 A1
SLAVE WORD DATA
ADDRESS REGISTER REGISTER
START STOP
3 A2
ACK
POWER SUPPLY
4 GND
VOLTAGE DETECTION
34 33 32 31 30 29 28 27 26 25
C BIT PA/PB 24 AUDIO
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
IC1452 PCM1602APT
RST 37
SYSTEM
SCKI 38
CLOCK
SCKO 39
MANAGER
BCK 40
LRCK 41
TEST 42
SERIAL
VDD 43
INPUT
INTERFACE
DGND 44
DATA1 45
DATA2 46
DATA3 47
ZEROA 48
ZERO DETECT
1 2 3
IC1502 IS61LV6416-10TLT
A4 1
A3 2
A2 3
A1 4
A0 5
CHIP ENABLE
CS 6
BUFFER
I/O 0 7
I/O 1 8
I/O 2 9
I/O 3 10
VDD 11
VSS 12
I/O 4 13
I/O 5 14
LOW
I/O 6 15
BYTE
I/O 7 16
I/O
BUFFER
WRITE ENABLE
WE 17
BUFFER
A15 18
A14 19
A13 20
A12 21
NC 22
32 32
36 35 34 33 32 31 30 29 28 27 26 25
FUNCTION
CONTROL
INTERFACE
DAC LPF
DAC LPF
DAC LPF
4X/8X ENHANCED
OVER SAMPLING MULTI-
DAC LPF
DIGITAL LEVEL
FILTER DELTA-
WITH SIGMA
FUNCTION MOJULE
CONTROLLER
DAC LPF
DAC LPF
DAC LPF
DAC LPF
4 5 6 7 8 9 10 11 12
44 A5
ROW/COLUMN
43 A6
DECODER
42 A7
OUTPUT ENABLE
41 OE
BUFFER
64K x 16
BYTE ENABLE 40 BHE
MEMORY
BUFFER
39 BLE
ARRAY
38 I/O 15
37 I/O 14
36 I/O 13
35 I/O 12
34 VSS
33 VDD
32 I/O 11
31 I/O 10
30 I/O 9
SENSE AMP HIGH
29 I/O 8
& BYTE
28 NC
WRITE I/O
PRIVER BUFFER
27 A8
26 A9
25 A10
24 A11
23 NC
24 VCC3
23 AGND3
22 VCC4
21 AGND4
20 VOUT8
19 AGND6
18 VCC5
17 AGND5
16 VOUT7
15 VCOM
14 VOUT1
13 VOUT2
IC1503 TC7WH157FU (TE12R)
1 8
1A Vcc
1B 2 7 1Y
2Y 2B
3 6
GND 2A
4 5