KV-28DS20U - Sony TV Service Manual (repair manual). Page 6

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6
BE-3E SELF DIAGNOSTIC SOFTWARE
The errors indicated below can be read using an Error Reader Display (Part Number S-188-900-10) connected to the service connector. Once an 
error has been detected it will then be displayed on the two digit error reader. During the power up procedure and during normal run time, the 
micro’s self diagnostic procedures monitor for various errors. Errors displayed refer to the table indicated below.
Error Number
Error Description
00
No error (TV Error Reader shows 00 in normal condition)
01
Not allowed (may be confused with Sircs response flash on LED)
02
Protection circuit trip (OCP, OVP & No V-Sync)
03
Reserved for OVP (Included in error 2 for BE-3E)
04
Reserved for No V-Sync (Included in error 2 for BE-3E)
05
AKB
06
IIC Scl Low <Power Up only>
07
IIC Sda Low <Power Up only>
08
IIC Sda & Scl Low <Power Up only>
09
Jungle controller no acknowledge <Power Up only>
10
Video Switch (CXA2040) no acknowledge <Power Up only>
11
Tuner no acknowledge
12
MSP no acknowledge
13
NVM no acknowledge
14
AV switch (CXA2089) no acknowledge (DS20 & DX20)
15
Not used
16
Port Expander (CXA1875) no acknowledge (DS20 & DX20)
17
Not used
18
Dynamic Convergence (CXA8070) no acknowledge
19
Cannot Initialise jungle (after initial power on check OK) - <Chassis Initialisation>
20
Jungle controller response failure after power up check (+9V test)
21
Video Switch (CXA2040) cannot power on reset - <Chassis Initialisation>
22
Video Switch (CXA2040) response failiure after power up check (+9V test)
23
NVM acknowledge fail after initialisation (STBY +5V - same as micro!)
24
MSP run-time failure <May Not Be Fatal - Display On Error Reader>
25
DSP run-time failure <May Not Be Fatal - Display On Error Reader>
26
M3L bus Clock low time out after data send <Run-Time Failure>
27
M3L bus Clock low time out after data send <At Power Up Check>
28
M3L bus Clock low time out after data send <At Initialisation>
29
M3L Txd Low <Power Up Only>
30
M3L Rxd Low <Power Up Only>
31
M3L Enable Low <Power Up Only>
32
Compact Text test fail <Power Up Only>
33
Compact Text does not respond (+5V test)
34
Compact text run-time failure <May Not Be Fatal - Display On Error Reader>
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