JVC Model 200 User Manual

Page 52

Advertising
background image

Chapter 2---System Description

IIC_DATA

IIC data line. Bidirectional serial line for synchronous data transfer
between the SCB and the Horizontal/Vertical Deflection board.
I=Input, O=Output.
O V_RED_LIN_CONTROL
O V_GRN_LIN_CONTROL
O V_BLU_LIN_CONTROL
O V_RED_EDGE_CONTROL
O V_GRN_EDGE_CONTROL
O V_BLU_EDGE_CONTROL
O L/R_KEY_CONTROL
O L/R_PIN_CONTROL
O WIDTH_CONTROL
O H_RED_CENT_CONTROL
O H_GRN_CENT_CONTROL
O H_BLU_CENT_CONTROL
O V_RED_CENT_CONTROL
O V_GRN_CENT_CONTROL
O V_BLU_CENT_CONTROL
O FRONT/REAR
O FLOOR/CEIL

High Voltage Power Supply

INPUT DESCRIPTION
/HV_OK

The high voltage status line. Low = operational HVPS.

Low Voltage Power Supply

INPUTS DESCRIPTION

+ 5.1V

Power for digital portion of SCB

+15V

Power for the analog portions of the SCB

-15V

Power for the analog portions of the SCB

+5.1V_Stby

Standby power to the CPU and peripherals.

/LV_OK

Tells SCB status of non-standby supply (all outputs working or not)

OUTPUTS DESCRIPTION

FAN_ENA

Signal to enable the 24V standby power

LV_ENA

Signal to enable the LVPS

Arc Lamp Power Supply

INPUTS DESCRIPTION

/LAMP_OK

Informs SCB that the Arc Lamp is installed, temperature is within
limits, and lamp cooling blower is working

2-38

Model 200 Service Manual

Advertising