Frontier LP7500 Service Manual page 869

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LED No.
LED2
LED3
LED4
LED5
LED6
LED7
LED8
LED9
LED10
LED11
LED12
LED13
LED14
LED15
Test point No.
TP1
TP2
TP3
TPG1
TPG2
VR No.
VR1
VR2
VR3
VR4
VR5
VR6
Purpose
CD−B replenishment solution presence check
CD−C replenishment solution presence check
STB replenishment solution presence check
BF−A replenishment solution presence check
BF−B replenishment solution presence check
DC+5 V input check
DC+24 V−A input check
DC+24 V−B input check
SSR12 operation check (CD−A replenisher
pump)
SSR13 operation check (CD−B replenisher
pump)
SSR14 operation check (CD−C replenisher
pump)
SSR15 operation check (BF−A replenisher
pump)
SSR16 operation check (BF−B replenisher pump) ON during operation
SSR17 operation check (STB replenisher pump)
Purpose
DC+5 V voltage measurement
DC+24 V−A voltage
measurement
DC+24 V−B voltage
measurement
Ground
Ground
Purpose
CD−A replenishment solution sensor sensitivity
adjustment
CD−B replenishment solution sensor sensitivity
adjustment
CD−C replenishment solution sensor sensitivity
adjustment
STB replenishment solution sensor sensitivity
adjustment
BF−A replenishment solution sensor sensitivity
adjustment
BF−B replenishment solution sensor sensitivity
adjustment
66600
Explanation of PCBs (Processor section)
ON when there is replenishment solution.
ON when there is replenishment solution.
ON when there is replenishment solution.
ON when there is replenishment solution.
ON when there is replenishment solution.
On when the power supply is turned on.
On when the power supply is turned on.
On when the power supply is turned on.
ON during operation
ON during operation
ON during operation
ON during operation
ON during operation
Measurement with voltmeter
Possible
Possible
Possible
Possible
Possible
66600
Status
Remarks
Remarks
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