Sony STR-K665P - Receiver For Home Theater System Service Manual page 24

STR-K665P
• IC BLOCK DIAGRAMS
IC1101 LC89056W-E (DIGITAL BOARD)
36 35 34 33
CE 37
CL 38
MICROCOMPUTER
INTERFACE
XSEL 39
MODE0 40
MODE
MODE1 41 SELECT
DGND 42
DVDD 43
DOSEL0 44
DOSEL1 45
CKSEL0 46
CKSEL1 47
SYSTEM
XMODE 48
RESET
1 2 3
IC1202 IC61LV6416-15TG (DIGITAL BOARD)
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 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
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
VCC 8
TEST 7
SCL 6
SDA 5
24 24
IC1602 PST3629NR (DIGITAL BOARD)
OUT
1
VDD 2 5
CD
4 NC
GND 3
IC1604 BR24L16F-WE2 (DIGITAL BOARD)
16 K bit EEPROM ARRAY
11 bit 8 bit
ADDRESS SLAVE WORD DATA
11 bit
DECODER ADDRESS REGISTER REGISTER
START STOP
CONTROL CIRCUIT
ACK
HIGHT VOLTAGE POWER SUPPLY
GENERATOR VOLTAGE DETECTION
1 A0
2 A1
3 A2
4 GND