Click on the pictures to Zoom. Click ß at the top left of
the browser, to come back.
MAIN BOARD
The System Board that Controls Various Signals for Video
Signal Processing and Product Operations.
Names & Roles of Key Parts
CN601: This is a 4 pin port connected to the Speaker, and
sends the signal from the AMP to the speakers.
CN401: This is a 14 pin port connected to the Deflection
Board and supplies 135V, 16V and receives 20V voltage and the power on and off
signals to the Deflection Board
GT804: This is a ground port to prevent high voltage due to
lightning and is connected to the Deflection Board.
CN802: This is a 3-pin port connected to the AC power cable.
It is connected to the power cable socket.
GT805, GT806: This is a port connected to the D-Coil
surrounding the CRT.
MAIN BOARD CONNECTOR PIN
FEATURE BOX BOARD
This controls the path of the electron beams from the CRT
electron guns using the deflection coil.
Names & Roles of Key Parts
CN03: This is a 14 pin port connected to the CRT Assy's, and
outputs final R/G/B signals to the CRT Ass'y.
In addition, it outputs the Tilt, VM, and Power signals for the CRT
Drive.
CN07: This is a 6 pin port connected to the Master Ass'y,
and receives Master Power On/Off, and IR signals.
CN06: This is a 4 pin port connected to the Control Ass'y,
and receives TV/Video, Menu, Ch Up/Down and Vol -/+ signals.
CN701: This is a 10 pin port connected to the Side AV, and
receives S-Video2 and AV4 external inputs.
Feature Box Board Connector Pin
DEFLECTION BOX ASSY
The Assy Power Board supplies DC power. This supplies power
to the System and the Deflection Board.
Names & Roles of Key Parts
CN401: This is a 14-pin port connected to the Main Board and
is supplied 135V, 16V power by the Main Board and the power on and off signal.
CN403: This is a 10-pin
port connected to the CRT Ass'y, and supplies power for the CRT and R/G/B
signal amplifying AMP.
Deflection Board Connector Pin
CRT BOARD ASS'Y
CRT Drive. This supplies the final R/G/B signal from the F-Box and the
CRT deflection signal to the CRT
Names & Roles of Key Parts
GT503, GT504, GT505, GT506: This is a port for
countermeasures against compulsory discharges and is connected to the Power
Board.
GT503, GT504: This is a port connected to the TBC-Wire and
plays the role of CRT ground.
CNC01: This is a port to receive the R/G/B output signals
from the System Board.
CNC02: This is a port that receives power for the CRT and
AMP from the Deflection Board.
FV1: A port to connect the VM signal to the DY Ass'y.
FN1: A port to connect signals to the Tilt Coil and is
required for the screen slant adjustment
CRT Board Connector Pin
