Sony HCD-SC5, Service Manual

Page: 68 / 126

68
HCD-SC5/SC6/SC8
IC706 MSM51V18165F-60TSKR1
NC
A9 A8 A7 A6 A5 A4 VSS
NC NC
A0 A1 A2 A3
VDD VDD
DQ1 DQ2 DQ3 DQ4 VCC DQ5 DQ6 DQ7 DQ8
WE
RAS
31 32 29 30 26 27 28
20 19 22 21 24 25 23 2
VDD
1 4 3 6 5 8 7 10 9
VSS DQ16 DQ15 DQ14 DQ13 VSS DQ12 DQ11 DQ10 DQ9
49 50 47 48 45 46 43 44 41 42 35
I/O
SELECTOR
OUTPUT
BUFFER
INPUT
BUFFER
OUTPUT
BUFFER
INPUT
BUFFER
SENSE
AMPLIFIER
COLUMN
DECODERS
MEMORY
CELLS
WORD
DRIVERS
ROW
DECODERS
ON CHIP
VBB GENERATOR
ON CHIP
IVCC GENERATOR
COLUMN
ADDRESS
BUFFERS
LCAS
34
UCAS
33
OE
I/O
CONTROLLER
I/O
CONTROLLER
17 18 11 – 16
NC
40 – 36
ROW
ADDRESS
BUFFERS
INTERNAL
ADDRESS
COUNTER
REFRESH
CONTROL
CLOCK
TIMING
GENERATOR
VCC VDD
VDD
VDD
IC803 TC7W74FK-TE85L
6
CLR
7
PR
8
VCC
5
Q
R S Q
3
Q
2
D
4
GND
1
CK
Q D C
IC608 AK4382AVT-E2
PDN
CSN
CCLK
CDTI
MCLK
1
BICK
SDTI
LRCK
2
3
4
5
6
7
8
VSS
VDD
DZFR
DZFL
13
14
15
16
AOUTL–
AOUTL+
11
12
SCF
∆∑
MODULATOR
8x
INTERPOLATOR
AOUTR–
AOUTR+
9
10
SCF
∆∑
MODULATOR
8x
INTERPOLATOR
AUDIO
DATA
INTERFACE
CLOCK
DIVIDER
DE–EMPHASIS
CONTROL
µ
P
INTERFACE