Ⅲ
. CDRH Document
1. Testing for EHT and HEW
2. The Value of Sample Register in X-ray protection circuit
Model BOM
CRT
Designator
value
14DN2NYD
03-EDN2AY-US12
44-14OFLP-IR1A
R254/R255 390
Ω
/120
Ω
3. Test of X-ray protection circuit
( X-ray protection circuit will not work with nominal voltage, or it does work with over-load voltage)
Model BOM CRT
Designator
Nominal
Voltage
over-load
voltage
14DN2NYD 03-EDN2AY-US12
44-14OFLP-IR1A
C431
21.5
±
1.5
>26V
Ⅳ
. RE-SOLDER POINT LIST
All the soldering points in white circles must be re-soldered:
T402 (pin1, pin8, pin10)
Q402(C)
C424
C415
P401
L402
L403
D833
C835
T803 (pin1, pin3, pin6, pin7, pin12)
Q815 (D)
C806
P804
T801
C801
P805
RT801
C402
Model CRT FBT
EHT(Ib=0uA)
(KV)
HEW(Ib=0uA)
(V)
RATIO
14DN2NYD 44-14OFLP-IR1A
37-SC2502-07Q01
22.5
±
1.5 21.0
±
1.5 1071
±
3%
TTE Overseas Support Department
Summary of Contents for 14DN2NYD
Page 41: ...5 Block Diagram TTE Overseas Support Department...
Page 42: ...6 Schematic Diagram...
Page 43: ...7 PCB Layout...
Page 44: ......
Page 45: ...8 Explode View Diagram...
