Philips 170S7 Schematic

Reference number : FSB300044 Issue : 2003-12-16

0.

Revision : 2004-02-19

1. Philips Model : All SH3 170S4 / B4 (with LPL, QDI and CPT panel)
SH3 170C4 / N4
SH3L 170X4

2. Symptom : No picture and LED flicker

3. Cause : 6115 diode damage on power board

4. Production date : Before wk350

5. Serial number : N/A

6. Cure : See next page

7. Solution implement : WK350

8. Ref. document : EC-O-03277, CP-TY40004, CP-TY40008

9. Service process : Fix on fail

10.PCS available : N/A

11.PCS Template : N/A

12.Initial service Kit : N/A

13.Attached file(s) : 3138 158 55841 circuit diagram
3138 158 57181 circuit diagram
3138 158 54681 circuit diagram
3138 103 57685 gerber diagram

14. Information end

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6. Cure:

If 6115 diode is damaged on following power boards.

Family Model Type Power Assy Power PCB
SH3 170S4 3138 158 55841
SH3 170B4 3138 158 55841
SH3 170C4 3138 158 57181

There are 5 versions from 3138 103

5768.1 ~ 3138 103 5768.5
SH3 170N4 3138 158 57181
SH3L 170X4 3138 158 54681

Please do following upgrade.

A. Delete 3128 item and let it open
B. Delete 6115 item and let it open

C. Add 200Ω 1206 resistor (2322 711 61201) on 3124 item.
D. Add 820Ω 1206 resistor (2322 711 61821) x 2 between 2001 and 2002.

E. Change 3136 item to 2KΩ resistor (2138 112 01202)
F. Change 3134 item to 510Ω resistor (2322 730 61511)

Child 12NC Description Item
Delete Delete 3128
Delete Delete 6115
2322 711 61201
2322 711 61821 x 2 pcs

200Ω 1206 resistor
820Ω 1206 resistor

3124

New

2138 112 01202 RST SM0805 RC05 2K PM5 R 3136
2322 730 61511 RST SM0805 RC11 510R PM5 R 3134

Please see next page for illustration.

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Circuit Daigram Illustration

Delete 6115 item and let it open

Delete 3128 item and let it open

Add 200Ω 1206 resistor (2322 711

61201) on 3124 item

Change 3136 item to 2KΩ resistor

(2138 112 01202)

Change 3134 item to 510Ω resistor

(2322 730 61511)

Add 820Ω 1206 resistor (2322 711

61821) x 2 between 2001 and 2002

3