13
R471 Cement resistor
RX27-5W-3.9
Ω
-J
Xinyang, Jiangsu
R434 Oxide film resistor
RY17-2W-3.3K
Ω
±5%
Yongxing, Sichuan
R412 Carbon film resistor
RY13-1/6W-
8.2K
Ω
±5%
No.6
electro.
Firm, Zibo
Component
VD412 Stabilizer diode
H27L1/KEL-7V5B1
Electronic
factory,
Leshan
Component
VD551 Regulator diode
EU3A/RU3A
Electronic
factory,
Leshan
Component
III. Key components which decides the X-ray generation:
N0. Description Model
Short
Open
N101 IC
LA76814
When LA76814 is idle, it is to say no square-
wave generates from
the 27th pin of N101, no high potential will
generate and no
X-ray exists.
V431 Triode
2SC2383-O
When short B and E, the Cut the line output
square-ware will no
more work on
square-wave, T471
does not
T471. If short B, C, the work, no high
potential
square-wave will not get generate and no X-
ray
amplified. No high
potential will
exists.
generate, and no X-ray
exists.
T431 Line drive
JDT1904
Square-wave will not reach T471, T471 does
not work no high
amplifier
potential generate and no X-ray exists.
V432 Triode
2SD1651-
CTV-YB
When short B and E, the If V432 is open, no
switch
square-ware will no
more work on
signal will
generate, T471
T471.If short B, C, the
does not work, no
high
square-wave will not get potential generate
and no
amplified. No high
potential will
X-ray exists.
generate, and no X-ray
exists.
C436 High-
voltage
CT81-2R-
2KV-470P
Output square-wave will
not
Reduces the high
potential
ceramic
F-K
arrive T471, T471 does
not
generated by T471
by means
Summary of Contents for TN201AUV
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