TC Electronic G-Force Service Manual

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TC Electronic A/S
G
-
Force
Service manual
page
14
Power On Sequence, continued
No Event Trouble shooting
6d TP68, 256FS starts up (11.2896MHz).
7 IC 15 pin59, DARC3 clock. Starts up (44.1KHz). IC15
8 TP5, Reset signal goes high. Battery connections, IC4
9 A: MPU, IC3 sets ports. B: The signal DSP RESET* is set low. C: SER MUTE is set to
low. D: Checks checksum in Flash. E: VCA left/right out is set to zero.
Reload Boot Sector or replace the Flash, IC35.
10 MPU checks if the ENTER button is pressed If pressed; Boot menu appears. Check D8 if no picture.
11 MPU tests SRAM If reset or not OK; this message appears: "User Preset Error, Cleared All Presets ". Check
IC8, IC4 or battery.
12 MPU checks header in application software. If not OK; Boot menu appears. Try to reload application software
13 MPU checks if the BYPASS button is pressed If pressed; Reset menu appears.
14 MPU tests Preset information in SRAM If not OK; message appears: "Preset Error". Check IC8, IC4 or battery.
15 MPU, IC3 pin 107 goes high, (DSP RESET*) IC3 + soldering, see sequence picture in schematics for main board
16a MPU tests DSP If not OK; message appears: "DSP not OK"
16b IC 15 pin59, DARC3 clock goes from 44.1KHz to 80MHz IC15 + soldering
16c TP71, DA1_DATA starts up IC24
16d TP73, AD_DATA starts up IC39
17 Picture with "G-Force" and software version appears on the display. Front connection, display,
17 Picture with "Pitch Technology" appears on the display. Application software
18 RECALL picture appears on the display. Application software

TC Electronic G-Force Specifications

General

Brand	TC Electronic
Model	G-Force
Category	Recording Equipment
Language	English