GE SCB2000, SCB2001, Техническое обслуживание руководство

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To Remove the Control Panel:
Caution: Be sure to note the location and routing
of wires for proper reinstallation purposes.
1. Remove the top access cover (see page 28).
2. Disconnect all associated connector plugs.
3. Lift the control panel to disengage the lower
hinge tabs from the chassis.
4. Remove the control panel.
GEA00446
Control
Assembly
PCB LED
Display
LED
Display
Selector
PCB
Control
Assembly
PCB LED
Display
LED
Display
Selector
PCB
Remove Relay Board
1. Remove the top access cover (see page 28).
2. Remove 1 screw that secures the relay board
to the metal frame.
GEA00447
Screw Screw
3. Disconnect all associated wiring to relay
board.
4. Lift the relay board and disengage the hinges
at the bottom of the board.
5. Remove the relay board.
Note: The fuse is located on the right side of the
relay board housing.
GEA00448
Fuse Fuse
Remove Low Voltage Transformer
1. Remove the top and rear access covers (see
pages 28-29).
2. Remove 1 screw on the front tab of the low
voltage transformer beside the main PCB
assembly.
3. Slide the transformer forward to disengage the
back tab from the molded holder on the
chassis.
GEA00449
Remove
Screw
Remove
Screw
Slide Slide
GEA00399
N
L1
YELLOW
BLACK
WHITE
RED
CN11
5
1
RED
BLACK
WHITE
P
R
I
M
A
R
Y
S
E
C
O
N
D
A
R
Y
1.4
5.5
1.9
22
4.1
CN1
1
3
CN11
Pins 4 to 5 ..... 1.4 ohms ....... 7.7 VAC
Pins 1 to 3 ..... 4.1 ohms ....... 6.6 VAC
Pins 1 to 2 ..... 1.9 ohms ....... 12.4 VAC
Pins 2 to 3 ..... 5.5 ohms ....... 19.0 VAC