Resistor/Capacitor Value; Trouble Shooting - Toyotomi Laser 300 Service Manual

L A S E R
Section 4
4-1

Resistor/Capacitor Value

Resistor Value
COMPONENT
Igniter at cold condition (73°F(23°))
Transformer (TF1)
Transformer (TF2)
Circulation Fan Motor
Combustion Blower Motor
Thermistor (at 77°F(25°))
Fuel Pump (coil)
Component Voltage Readings
COMPONENT
Fuel Pump
Igniter
Transformer (TF1)
Primary Side
Transformer
(TF2)
Secondary Side
Circulation Fan Motor
Combustion Blower Motor
Revolution Sensor (CN12)
20
S E R V I C E M A N U A L
H E A T I N G
Primary Side 1 to 3
Secondary Side 5 to 6
Secondary Side 7 to 8
Secondary Side 9 to 0
Primary Side 1 to 4
Secondary Side 5 to 8
READING TAKEN AT
F.P (CN17) OR to YL (•••)
I.H (CN2)
"TP-5V" to "F.R (GN) (CN6)"
"TP-12V" to "F.R (GN) (CN6)"
"TP-28V" to "F.R (GN) (CN6)"
1 to 4
5 to 8
High
F.M (CN4)
Motor Medium
connected
Low
High
B.M (CN3)
Motor Medium
connected
Low
RD (+) to BL (-)
WT (S) to BL (-) (in operation)
S Y S T E M S

Trouble Shooting

Laser300 Laser530 Laser560
17Ω±10%
3.7Ω±30%
0.6Ω±30%
0.7Ω±30%
0.2Ω±30%
800Ω±20%
1.2kΩ±20%
300Ω±10% 84Ω±10% 450Ω±10%
27Ω±20% 22Ω±20% 22Ω±20%
10kΩ±5%
95Ω±25Ω
Laser300 Laser530 Laser560
DC 24V±15%
AC 120V±15%
DC 5V±15%
DC 12V±15%
DC 28V±15%
AC 120V±15%
AC 140V±15%
AC 118V±15% AC 118V±15% AC 118V±15% AC 118V±15%
AC 101V±15% AC 101V±15% AC 93V±15% AC 93V±15%
AC 83V±15% AC 83V±15% AC 34V±15% AC 34V±15%
AC 80V±15% AC 102V±15% AC 97V±15% AC 98V±15%
AC 71V±15% AC 93V±15% AC 77V±15% AC 75V±15%
AC 60V±15% AC 80V±15% AC 69V±15% AC 67V±15%
DC 5V±15%
DC 2.5V±15%
Laser
730/730AT
230Ω±10%
11Ω±20%
Laser
730/730AT