Turbo master control electronics (TMCE or MCE) board

Part number: 510P1P974A
Where used: All TMCE devices

Connectors | Description | Drawings | Indicators | Procedures

Description

The TMCE board is the main controller board for the device. It manages all imaging tasks and controls the actuators responsible for media loading and unloading. It does not include controls for the Spectrum or AL options, but it does support expanding to these options with satellite boards (GENINE boards).

For a detailed description, see:

• Theory of Operations
• MCE Design Document

Checking voltage supply test points helps to isolate problems resulting from connection and power supply failures. Reseat all connectors on the PCB assembly before checking voltage supply test points.

Important: Before servicing a board, review the information on the Shock and Electrostatic Discharge safety page.

Drawings

• MCE Board Block Diagram
• TMCE Board Wiring Diagram - page 5
• TMCE Board Schematic
• Photos of the TMCE board

Procedures

• For detailed TMCE board connectivity procedures, see the MCE connectivity section of the Procedures page.
• For detailed TMCE board firmware procedures, see the Boards/firmware section of the Procedures page.
• For TMCE board troubleshooting items, see the Troubleshooting page.

Connectors

See MCE - Description of Connectors for a detailed description of each connector and test points.

Designator	Label on Board	Connector Type	Description
J1	EH_DATA	SMB	Hotlink to exposure head
J2	EH_CNTL	44 pin HDSUB	Exposure Head Control
J3	PFO_E	1X2 Molex Minifit Jr	Flyoff laser power connector
J4	DIN_AS	37 pin DSUB	Away side digital input connector
J5	DIN_SPR	25 pin DSUB	Spare digital input connector
J6	DIN_HS	37 pin DSUB	Home side digital input connector
J7	SCON1	2X5 Molex Minifit Jr	Expansion bus connector #1
J8	SCON2	2X5 Molex Minifit Jr	Expansion bus connector #2
J9	-	2X10 header	Logic analyzer header
J10	SOL_DRV	2X13 Shrouded	Solenoid Output Connector
J12	LTPS	1X6 MTA	Load ramp sensor connector
J13	CA_PWR	3X3 MinimateNLock	Carriage amplifier power connector
J14	-	2X10 header	Logic analyzer header
J15	-	2X10 header	Logic analyzer header
J16	USR_IF	2X5 Shrouded	User interface board connector
J17	-	2X10 header	Logic analyzer header
J18	BMM	2X50 SMT	BMM connector
J19	PFO-S	1X8 Berg Polarised	Plate flyoff connector
J20	DRUM_ENC	15 pin HDSUB	Drum encoder connector
J21	REG	2X7 Shrouded	Plate registration connector
J22	-	2X10 header	Logic analyzer header
J23	-	2X10 header	Logic analyzer header
J24	RLY_DRV	2X4 Molex Minifit Jr	Relay driver connector
J25	VREG	2X4 PCB header	Version register jumper connector - unpopulated option, footprint/pads  only on PCB
J26	CA_CNTL	2X10 Shrouded	Carriage amplifier control connector
J27	-	Jumper	Analog GND connection
J28	JTAG	1X8 PCB header	JTAG communications port
J29	-	168 pin DIMM	SDRAM connector
J30	TEMP	2X6 Molex Minifit Jr	Temperature sensor connector
J31	-	2X10 header	Logic analyzer header
J32	-	2X10 header	Logic analyzer header
J33	-	2X10 header	Logic analyzer header
J34	-	2X10 header	Logic analyzer header
J35	DRUM_AMP	15 pin DSUB	Drum amplifier connector
J36	BS_TEMP	2X2 Molex Minifit Jr	Alternate temperature sensor connector
J37	DNGL_COMM	9 pin DSUB	RS232 Dongle communications port
J38	SPR_COMM	9 pin DSUB	RS232 Spare communications port
J39	WS_COMM	9 pin DSUB	RS232 Workstation communications port
J40	DIAG_COMM	9 pin DSUB	RS232 Diagnostics communications port
J41	BOOT	Jumper	BOOT jumper connector
J42	WS_SCSI	68 pin SCSI	SCSI communications connector
J43	ANALOG0	6-pin MTA	4-20mA analog input
J44	WS_TSP	68 pin SCSI	TSP (turboscreening) connector
J45	Analog Drum Control	Jumper	Analog Drum Amp control jumper

Indicators (Status LEDs)

Name	Color	Description
POWER	Green	power indicator
LCA.FAULT	Red	Lit when LCA is not programmed correctly
RESET	Red	reset inidcator
HEARTBT	Green	Heartbeat - indicates mode that TMCE is in (BBR,BOOT,MAIN)
IDLE	Green	indicates processor idle time
INTR	Yellow	Interrupt - lit when processor is in interrupt routine
SERVC	Red	Service