Sony MDX-CA680 Service Manual page 20

MDX-CA680/CA680X
IC303 BH6518FS-E2
32 31 30 29 28
AMP
INTERFACE
CHARGE
PREDRIVE
PUMP.
OSC
PREDRIVE
AMP
INTERFACE
1 2 3 4 5
IC305 BA6287F
OUT1 1
VM 2
DRIVER
TSD
VCC 3
CONTROL LOGIC
POWER
SAVE
FIN 4
IC307 MSM51V4400E-70TS-K
TIMING
GENERATOR
DQ1 1
DQ2 2
WE 3
RAS 4
5
A9
NC
6
NC 7
NC 8
INTERNAL
ADDRESS
A0 9
COUNTER
A1 10
A2 11
A3 12
ROW
DECODERS
VCC 13
20
27 26 25 24 23 22
AMP AMP
AMP AMP
6 7 8 9 10 11
8 GND
7 OUT2
DRIVER
6 VREF
5 RIN
TIMING
GENERATOR
COLUMN
DECODERS
REFRESH
SENSE
CONTROL
AMPLIFIERS
CLOCK
WORD MEMORY
DRIVERS
CELLS
21 20 19 18 17
AMP V
INTERFACE DD
PREDRIVE
PREDRIVE
AMP
INTERFACE PSB
12 13 14 15 16
WRITE
I/O
CLOCK
SELECTOR
GENERATOR
INPUT OUTPUT
BUFFERS BUFFERS
DATA BUS
26 VSS
25 DQ4
24 DQ3
23
CAS
22
OE
21 NC
20
NC
NC
19
18 A8
17 A7
16 A6
A5
15
14 A4