TC Electronic Finalizer Service Manual

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

TC Electronic Finalizer Specifications

General

Brand	TC Electronic
Model	Finalizer
Category	Computer Hardware
Language	English