Service manual

Item Symbol
Measurement
Min Typ. Max. Unit
Condition
Drive current Icc1 1 2.0 5.0 12 mA
Trig input threshold Voltage V2 2 ––1.0 V
Vertical range control voltage (1) V60/3 3 1.0 1.5 2.0 V
Vertical range control voltage (2) V50/3 11 0.75 1.25 1.75 V
Maximum output voltage V5 4 3.5 4.8 6.0 V
Macimum peak to peak Voltage V5P-P 4 3.5 4.5 5.5 V P - P
Output transistor saturation Voltage(1) Vs11-10 5 0.3 0.5 1.0 V
Output transistor saturation Voltage(2) Vs12-11 6 1.0 1.8 3.6 V
Pump up output Voltage (1) Vs7-8 7 1.0 2.0 3.0 V
Pump up output Voltage (2) Vs8-10 8 0.2 0.8 1.6 V
No signal Current Ib 9 – 2.6 – mA
Center Voltage V
CENTER 10 8.0 12.0 14.0 V
58
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I301(TA8445K)
1. Operating Conclitions (Ta = 25°C)
2. Operating Caracteristics (Ta = 25°C, Vcc1 = 9V, Vcc2 = 24V)
Item Symbol Min Typ. Max. Unit
Drive vcc V
CC 1 8.1 9.0 9.9 V
Pump up Vcc V
CC 2 – 2.4 2.9 V
Vertical Output Vcc I
11 P - P ––2.2 Ap-p
RAMP GENERATER
Drive Vcc
INPUT
V. SIZE
50/60 SW
RAMP
V. NFB
Pump up Vcc
Pump up output
Phase compensation
GND
V. OUT
Output Vcc
①② ③④⑤ ⑥⑦⑧⑨⑩⑪⑫
Vertical trig
50/60Hz
S/W
Pump up
Vertical Drive Vertical Out