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LA7289 Datasheet, PDF (4/11 Pages) Sanyo Semicon Device – VCR Audio Signal Record and Playback Processor
◁
LA7289
Switching Operations
Test item (signal)
ICCE
ICCP
ICCR
VGOE
VNIE
VGLP, THDL, VOML
VGLL
VGLT
VNOL
VOA, ALC, THDA
VGCR, THDR, VOMR
MP
ML
MT
IB
V1
SW1
2
2
2
1
2
2
2
2
2
2
2
1
2
2
2
2
SW2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
SW3
3
3
3
3
3
2
3
3
3
3
3
1
3
3
1
1
SW4
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
SW5
2
2
2
2
2
2
2
1
2
1
2
2
2
1
2
2
SW6
2
2
2
2
2
2
1
2
2
2
2
2
1
2
2
2
VM
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
5V
5V
5V
GND
GND
VP
GND
5V
GND
5V
5V
5V
2V
GND
GND
GND
GND
5V
2V
GND
GND
GND
VR
GND
GND
5V
GND
GND
GND
GND
GND
GND
GND
5V
GND
GND
GND
5V
5V
Head Coil Specifications
1. Application circuit 1 (Series erase head type)
• R/P Head
58 kΩ ± 15 % (f = 70 kHz)
• AE Head
34 Ω ± 20 % (f = 70 kHz)
• FE Head
80 Ω ± 15 % (f = 70 kHz)
• Oscillator coil test number: 15419A, Model no. 7QM3
Pin No.
Line type
Total windings
3-2
2UEW-0.09
32T
2-1
2UEW-0.09
20T
6-5
2UEW-0.09
176T
5-4
2UEW-0.09
29T
Input
-
-
-
VIN1
-
VIN2
VIN4
VIN3
-
VIN3
VIN5
VIN1
VIN4
VIN3
-
-
Measurement
IO
IO
IO
VO1
VO1
VO2
VO2
VO2
VO2
VO2
VO3
VO2
VO2
VO2
VO4
V1
2 Application circuit 2 (Parallel erase head type)
• R/P Head
58 kΩ ± 15 % (f = 70 kHz)
• AE Head
180 Ω ± 20 % (f = 70 kHz)
• FE Head
80 Ω ± 15 % (f = 70 kHz)
• Oscillator coil test number: 15415A, Model no. 7QM3
Pin No.
Line type
Total windings
3-2
2UEW-0.10
10T
2-1
2UEW-0.10
22T
4-5
2UEW-0.10
104T
5-6
2UEW-0.10
22T
For more information contact: Tokyo Parts Industries Co., Ltd.
Telephone: +81-270-25-1191
No. 5642-4/11
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