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參數(shù)資料
| 型號(hào)： | LA7289 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | VCR Audio Signal Record and Playback Processor |
| 中文描述： | 錄像機(jī)音頻信號(hào)處理器記錄和回放 |
| 文件頁(yè)數(shù)： | 4/11頁(yè) |
| 文件大小： | 210K |
| 代理商： | LA7289 |
No. 5642-4/11
LA7289
Switching Operations
Test item (signal)
SW1
SW2
SW3
SW4
SW5
SW6
V
M
GND
V
P
GND
V
R
GND
Input
Measurement
I
CCE
I
CCP
I
CCR
VG
OE
V
NIE
VG
LP
, THD
L
, V
OML
VG
LL
VG
LT
V
NOL
V
OA
, ALC, THD
A
VG
CR
, THD
R
, V
OMR
M
P
M
L
M
T
I
B
V1
2
1
3
2
2
2
-
I
O
I
O
I
O
2
1
3
2
2
2
GND
5 V
GND
-
2
1
3
2
2
2
GND
GND
5 V
-
1
2
3
2
2
2
GND
5 V
GND
V
IN
1
-
V
O
1
V
O
1
V
O
2
V
O
2
V
O
2
V
O
2
V
O
2
V
O
3
V
O
2
V
O
2
V
O
2
V
O
4
V1
2
1
3
2
2
2
GND
5 V
GND
2
1
2
2
2
2
GND
5 V
GND
V
IN
2
V
IN
4
V
IN
3
-
2
1
3
2
2
1
GND
2 V
GND
2
1
3
2
1
2
GND
GND
GND
2
1
3
2
2
2
GND
GND
GND
2
1
3
1
1
2
GND
GND
GND
V
IN
3
V
IN
5
V
IN
1
V
IN
4
V
IN
3
-
2
1
3
2
2
2
GND
GND
5 V
1
1
1
2
2
2
5 V
5 V
GND
2
1
3
2
2
1
5 V
2 V
GND
2
1
3
2
1
2
5 V
GND
GND
2
1
1
2
2
2
GND
GND
5 V
2
1
1
2
2
2
GND
GND
5 V
-
Head Coil Specifications
1. Application circuit 1 (Series erase head type)
R/P Head
58 k
± 15 % (f = 70 kHz)
AE Head
34
± 20 % (f = 70 kHz)
FE Head
80
± 15 % (f = 70 kHz)
Oscillator coil test number: 15419A, Model no. 7QM3
2 Application circuit 2 (Parallel erase head type)
R/P Head
58 k
± 15 % (f = 70 kHz)
AE Head
180
± 20 % (f = 70 kHz)
FE Head
80
± 15 % (f = 70 kHz)
Oscillator coil test number: 15415A, Model no. 7QM3
For more information contact: Tokyo Parts Industries Co., Ltd.
Telephone: +81-270-25-1191
Pin No.
3 - 2
2 - 1
6 - 5
5 - 4
Line type
2UEW-0.09
2UEW-0.09
2UEW-0.09
2UEW-0.09
Total windings
32T
20T
176T
29T
Pin No.
3 - 2
2 - 1
4 - 5
5 - 6
Line type
2UEW-0.10
2UEW-0.10
2UEW-0.10
2UEW-0.10
Total windings
10T
22T
104T
22T
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