Component Solution Services REC02F Manuel de service télécharger pdf (Page 36)

6.3.6 SPS Module Analysis

Item Checked components Instrument function Reference Value Failed condition

1 Q201 (S, D) Diode Voltage Droop 0.42V Short or open

2 R206, R206A

47 Open

3 R209

0.10 Open

4 R207

1K Open

5 U01 (3845) PIN 5-6

PIN 5-7

PIN 5-8

PIN 6-8

46.7K

38K

4.31K

50.9K

<10K

6.3.7 1A Charger Module Analysis

Item Checked components Instrument function Reference Value Failed condition

1 Q2 (S, D) Diode Voltage Droop 0.45V Short or open

2 R40

47.00 Open

3 R38

0.50 Open

4 U07 (3845) PIN 5-6

PIN 5-7

PIN 4-8

47K

20K

7.48K

Too low

5 D10.D11, D12, D13, D15 Diode Voltage Droop 0.45 Short or open

DO NOT let the charger work with full load when the outside cover is removed, without the

airflow path forming with cover, it can cause over-heated of TX1, and therefore the other

related components will fail again.

As usual, the most possible fail component is Q2, if this indeed happens; please replace

not only that component but also R40, R38, D15, R37and U1. Since failure of Q2 may

cause the other components listed above fail.

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Component Solution Services REC02F Manuel de service Page 36