Sony HCD-SR4W Service Manual page 74

HCD-SR4W
QQ
3 7 63 1515 0
IC604
A4 1
A3 2
A2 3
A1 4
A0 5
CHIP ENABLE
CS 6
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
I/O 6 15
I/O 7 16
WRITE ENABLE
WE 17
A15 18
A14 19
A13 20
A12 21
NC 22
IC606 LC89056W-E
TE
L 13942296513
CE 37
CL 38
XSEL 39
MODE0 40
MODE1 41
DGND 42
DVDD 43
DOSEL0 44
DOSEL1 45
CKSEL0 46
CKSEL1 47
XMODE 48
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74
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IS61LV6416-10TLT
BUFFER
LOW
BYTE
I/O
BUFFER
BUFFER
36 35 34 33 32 31
SAMPLING
FREQUENCY
MICROCOMPUTER
INTERFACE
LOCK
DETECT
MODE
SELECT
DATA
DEMODULATOR
SYSTEM
INPUT
RESET
CIRCUIT
1 2 3 4
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8
ROW/COLUMN
DECODER
64K x 16
MEMORY
ARRAY
SENSE AMP HIGH
& BYTE
WRITE I/O
PRIVER BUFFER
Q Q
3 6 7 1 3
30 29 28 27 26 25
C BIT PA/PB
DETECT DETECT
CLOCK
TIMING
PLL
5 6 7 8 9 10 11 12
u163
.
2 9 9 4 2 8
44 A5
43 A6
42 A7
OUTPUT ENABLE
41 OE
BUFFER
40 BHE
BYTE ENABLE
BUFFER
39 BLE
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
29 I/O 8
28 NC
27 A8
26 A9
25 A10
24 A11
23 NC
1 5 0 5 8 2 9 9 4
24 AUDIO
23 EMPHA
22 XIN
21 XOUT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
13 CKOUT
m
co
9 9
2 8 9 9