Read Sony MDX-C7890R Service Manual online
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IC303
BH6511FS-E2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VG
IN4R
IN4F
VM4
OUT4F
PGND4
OUT4R
VM34
OUT3R
PGND3
OUT3F
VM3
IN3F
IN3R
PSB
CAPA–
CAPA+
IN2R
IN2F
VM2
OUT2F
PGND2
OUT2R
VM12
OUT1R
PGND1
OUT1F
VM1
IN1F
IN1R
V
DD
CHARGE
PUMP.
OSC
INTERFACE
AMP
INTERFACE
AMP
AMP
INTERFACE
PREDRIVE
PREDRIVE
PREDRIVE
PREDRIVE
AMP
INTERFACE
AMP
AMP
AMP
V
DD
PSB
AMP
IC305
BA6287F
1
2
3
4
OUT1
VM
VCC
FIN
8
7
6
5
GND
OUT2
VREF
RIN
CONTROL LOGIC
TSD
POWER
SAVE
DRIVER
DRIVER
IC307
MSM51V4400-70TS-K
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
25
26
A0–A9
SENSE REFRESH AMP
INPUT/OUTPUT CONTROL SWITCH
(4) INPUT
BUFFER
(4) OUTPUT
BUFFER
CLOCK OSC
COLUMN DECODER
MEMORY CELL
(4194204 BIT)
A0–A9
ROW DECODER
GND
D4
D3
XCAS
XOE
NC
NC
NC
A8
A7
A6
A5
A4
VDD
A3
A2
A1
A0
A9
NC
NC
NC
XRAS
XWE
D2
D1
ADDRESS BUFFER
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