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BOARD
A-BOARD
D-BOARD
CD-BOARD
* DC-BOARD
* DG-BOARD
G-BOARD
H-BOARD
K-BOARD
LB-BOARD
LG-BOARD
LR-BOARD
R-BOARD
NOTE
When ordering a replacement board assembly, append an "S" to the board number
EXAMPLE
To order D-Board, the replacement board is TNP2AH059S
*
DC-Board and DG-Board are non-serviceable boards, except for the connector JK5001 in DG-
Board. If any of these boards are defective, replace it with a new one.
8. Auto diagnosis feature
These receivers incorporate a self diagnosis feature. With this feature it will be easier for the
technician to detect failures. There is a LED located by the keyboard on the front panel, this LED
will start flashing when SOS is detected by thecircuits located in specific areas, depending on
how many times the LED is flashing, this will indicate what circuit should be checked. Make a
count of flashing and see the table shown below. Please use this feature effectively especially for
intermittentproblems.
# OF
POSSIBLE CAUSE
FLASHES
1
140V OVER VOLTAGE / OVER
CURRENTOR VERTICAL
2
3
4
5
6
7
8
PART NUMBER
TNP2AH058AC
TNP2AH059
TNP2AA166
TNP2AA163
TNP2AA173AE
TNP2AA158
TNP2AA174AF
TNP2AA159
TNP2AA161
TNP2AA160
TNP2AA162
TNPA0615AB
LOW DC
CONVERGENCE
SUB9V
HHS
IC4001
IC4201
IC4401
AUTO CONVERGENCE SENSOR
CONVERGENCE PROCESSING
MPU, VIDEO SIGNAL PROCESSING
14
DESCRIPTION
MAIN CHASSIS
POWER SUPPLY
FRONT A/V INPUT
REAR A/V INPUTS
KEYBOARD PANEL
BLUE PRT
GREEN PRT
RED PRT
IR SENSOR
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