TC Electronic FINALIZER Service Manual page 14

Power On Sequence, continued:
No Event
7a TP16, DA_DATA starts up
7b TP17, AD_DATA starts up
7c TP26 goes to -3V
7d TP27 goes to +3V
8 TP6, Reset signal goes high.
9 MPU, IC29 checks Checksum in Flash
10 MPU checks if TAP button is pressed
11 MPU tests SRAM
12 MPU checks header in application software.
13 MPU checks if any BYPASS button is pressed
14 MPU tests Preset information in SRAM
15 MPU, IC29 pin 107 goes high, (DSP RESET*)
16a MPU tests DSP
16b TP11, ASIC clock starts up, 80MHz
17 Picture with user information and software version appears on the display.
18 RECALL picture appears on the display.
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TC Electronic A/S
Trouble shooting
IC23
IC18
LD5, IC12 + soldering
LD4, IC12 + soldering
Battery connections, IC30
If OK LD1, LD2, LD3 blink once. If not OK, the LED's stays on. Reload Boot Sector or
replace the Flash, IC35 .
If pressed; Boot menu appears. Check D11 if no picture.
If not OK; message appears: "RAM is corrupted, Settings cleared" . Check IC34, IC30 or
battery.
If not OK; Boot menu appears. Reload application software
If pressed; Reset menu appears.
If not OK; message appears: "Preset Error". Check IC34, IC30 or battery.
IC29 + soldering, see sequence picture in schematics for main board
If not OK; message appears: "DSP not OK"
IC10 + soldering
Front connection, display,
Application software,
Finalizer Service manual page 14