Sharp 64LHP5000, Service Manual

Page: 55 / 342

55
64LHP5000
PROJECTOR UNIT
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pin Name
MO3
MODE2
MODE1
VREF
GND
V+
T1
T2
T3
T4
Rch OUT
Lch OUT
FIL2_IN2
FIL2_IN
FIL2_OUT
I/O
I
I
I
—
—
—
O
O
O
O
O
O
I
I
I
Function
V+ IN
Mode selection switch
Mode selection switch
Reference voltage V+/2
Ground
Power supply 4.5V to 13V
Test pin
Test pin
Test pin
Test pin
Right channel output
Left channel output
Perspective Network 2 input
Perspective Network 2 input
Perspective Network 2 output
»
Pin Function
Pin No.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Pin Name
CENTER_IN
CENTER_OUT
SPACE_IN
SPACE_OUT
FIL1_IN
FIL1_OUT
Lch IN
Rch IN
FI IN
T5
CE IN
T6
T7
F_IN
F_OUT
I/O
I
O
I
O
I
O
I
I
I
I
I
I
O
I
O
Function
Center gain adjustment
Center gain adjustment
Space gain adjustment
Space gain adjustment
Perspective Network 1 input
Perspective Network 1 output
Left channel input
Right channel input
Perspective Network input
Test pin
Center input
Test pin
Test pin
Perspective Network 3 input
Perspective Network 3 output
Ë
NJM2187L (AMP ASSY: IC1204)
SURROUND IC
»
Pin Assignment
1
MO3
28
T7
2
MODE2
27
T6
3
MODE1
26
CE_IN2
30
F_OUT
29
F_IN
4
VREF
25
T5
5
GND
24
FI_IN
6
V+
23
Rch IN
7
T1
22
Lch IN
8
T2
21
FIL1_OUT
9
T3
20
FIL1_IN
10
T4
19
SPACE_OUT
11
Rch OUT
18
SPACE_IN
12
Lch OUT
17
CENTER_OUT
13
FIL2_IN2
16
CENTER_IN
14
FIL2_IN
15
FIL2_OUT
NJM2187L