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EN 10
3.
HTS5510C/75/98
3.
Diagnostic Software
Service test program
To start service test program
hold open/close and
buttons depressed while
plugging in the mains cord
Display shows
"SERVICE"
followed by ROM version
"S-Vxx-yy"
Main Menu
Display Test
Key
n
"Display Test"
triggered?
y
Activate and display
"Pattern1"
Key
"
"
triggered?
n
Key
"Display Test"
triggered?
y
Activate and display
"Pattern2"
Key
"
"
triggered?
y
Diagnostic Software
Hold open/close and
S
refers to Service Mode
V
refers to Version
xx refers to Software version number of BEA
(counting up from 01 to 99)
yy refers to Software version number of Front uP
(counting up from 01 to 99)
Display Test
Following display patterns are used to test the display and its
connections to μP.
Pattern 1:
All display control pins are ON
All LEDs are ON.
- to check for open-circuits
y
Pattern 2:
Alternate display control pins are ON (Test Pattern: 0x55)
The following LEDs are ON:
DiscAvailable1
DiscAvailable3
n
DiscAvailable5
DiscActive2
DiscActive4
- to check for short-circuits
(tbd)
n
TEST
EEPROM FORMAT
TEST
ROTARY
ENCODER TEST
LEAVE SERVICE
TEST PROGRAM
buttons depressed till the Display shown "S-Vxx-yy"
Activated with
ACTION
DISC 1
Load default data. Display shows "NEW".
Caution!
All presets from the customer will be
lost!!
Volume
Display shows value for 2 seconds.
Knob
Volume values increases or decreases in
steps of 1 until 0 (VOL MIN) or 40 (VOL
MAX) is reached.
Disconnect
mains cord
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