Sanyo FISHER DVD-1500 AU, Руководство по обслуживанию

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IC BLOCK DIAGRAM & DESCRIPTION
IC601 BA5931FP(POWER DROVER)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 36 25 24 23 22 21 20 19 18 17 16 14
+
+
+
-
-
+
-
-
D
D D
x2
D
x2
x2 x2
D D
x2 x2
D
x2
D
x2
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
VCC VCC
FWD REV
LOGIC
VOLTAGE
CTRL
PIN NO. NAME DESCRIPTION PIN NO. NAME DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
DRIVER CH1 (-)
DRIVER CH1 (+)
DRIVER CH1
DRIVER CH1 GAIN
NOT USED
NOT USED
NOT USED
GND
NOT USED
NOT USED
NOT USED
DRIVER CH2 LOARDING (+)
DRIVER CH2 LOARDING (-)
SUB STRAIGHT GND
LOARDING REV
LOARDING FWD
DRIVER CH3 (-)
DRIVER CH3 (+)
LOARDING
DRIVER CH3
VCC
VCC
BIAS
DRIVER CH4 GAIN
DRIVE CH4
DRIVER CH4 (+)
DRIVER CH4 (-)
SUB STRAIGHT GND
OUT-1
OUT-2
IN 1-1
IN 1-2
NC
NC
NC
GND
NC
NC
NC
OUT2-1
OUT2-2
GND
REV
FWD
OUT3-1
OUT3-2
LD IN
IN 3
VCC
VCC
Vref IN
IN 4-2
IN 4-1
OUT4-2
OUT4-1
GND
IC602 BA6849FP(TREE-PHASE MOTOR DRIVER)
A3
RNF
VM1
VM2
VCC
FG
PS
EC
ECR
FR
SB
CNF
VH
A2
A1
GND
H1+
H1-
H2+
H2-
H3+
H3-
2
28
27
26
25
24
23
22
21
20
18
17
15
4
7
8
9
10
11
12
13
14
+
-
+
-
+
-
+
-
+ -
+
-
+
-
DRIVER
GAIN
CONTROL
TSD
TL
PS
SHORT BRAKE
Hall bias
D R Q
Q CK
V CC
V
CC
HALL AMP
TORQUE
SENSE AMP
CURRENT
SENSE AMP
IC503, 606 BU4066BCF(QUAD ANALOG SWITCH)
1
2 3 4 5 6 7
14 13 12 11 10 9 8
V
DD
C1 C4 I/O4 I/O3 O/I4 O/I3
I/O1 O/I1 O/I2 I/O2 V
SS
C2 C3
IC635 BH3540AFS(HAEDPHONE AMP)
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
MUTE1
MUTE2
AMP
BIAS TSD
BUFF EVR POW
AMP BUFF EVR POW
+
-
+
-
EVR
CONT
BIAS IN1 MUTE1 LINE1 VC NC PO1 VCC
GND
IN2
MUTE2
LINE2
NC NC
PO2
PGND
IC891 LE28F4001EN-90(4M BIT FLASH MEMORY)
1 32 31 30 2 3 4
5
6
7
8
9
10
11
12
13
14 15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
DQ
7
CE
A
10
OE
A
11
A
9
A
8
A
13
A
14
A
17
WE A
CC
A
18
A
16
A
15
A
12
DQ
0
DQ
1
DQ
2
V
SS
DQ
3
DQ
4
DQ
5
DQ
6
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
PIN NAME DESCRIPTION
ADDRESS INPUT
DATA INPUT/OUTPUT
CHIP ENABLE
OUTPUT ENABLE
WRITE ENABLE
GND
POWER SOURCE
A
0
~A
1X
DQ
0
~DQ
7
CE
OE
WE
V
SS
V
CC
IC803 KM48C512DT-L6(512K x 8BIT DRAM)
1 2 3 4 5 6 7 8 9
10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
V
SS
DQ7 DQ6 DQ5 DQ4 CAS OE N.C A8 A7 A6 A5 A4 V
SS
V
CC
DQ0 DQ1 DQ2 DQ3
N.C
W
RAS
A9 A0 A1 A2 A3
V
CC
Pin Name Pin Function
Address Inputs
Data In/Out
Ground
Row Address Strobe
Column Address Strobe
Read/Write Input
Data Output Enable
Power(+5V)
Power(+3.3V)
No Connection
A0~A9
DQ0~DQ7
V
SS
RAS
CAS
W
OE
N.C
V
CC
(TSOP-II)