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0. Reference number : FSB300044 Issue : 2003-12-16
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
1
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 There are 5 versions from 3138 103
SH3 170C4 3138 158 57181 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 200 1206 resistor (2322 711 61201) on 3124 item.
D. Add 820 1206 resistor (2322 711 61821) x 2 between 2001 and 2002.
E. Change 3136 item to 2K resistor (2138 112 01202)
F. Change 3134 item to 510 resistor (2322 730 61511)
Child 12NC Description Item
Delete Delete 3128
Delete Delete 6115
2322 711 61201 200 1206 resistor 3124
2322 711 61821 x 2 pcs 820 1206 resistor 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.
2
Circuit Daigram Illustration
Delete 6115 item and let it open
Delete 3128 item and let it open
Add 200 1206 resistor (2322 711
61201) on 3124 item
Change 3136 item to 2K resistor
(2138 112 01202)
Change 3134 item to 510 resistor
(2322 730 61511)
Add 820 1206 resistor (2322 711
61821) x 2 between 2001 and 2002
3
Gerber Diagram Illustration
Delete 6115 item and let it open
Delete 3128 item and let it open
Change 3136 item to 2K resistor
(2138 112 01202)
Change 3134 item to 510 resistor
(2322 730 61511)
Add 820 1206 resistor (2322 711
61821) x 2 between 2001 and 2002
Add 200 1206 resistor (2322 711
61201) on 3124 item
4
1 2 3 4 5 6 7 8 9 10 11 12 13
1101 A1 6105 C4
1 2 3 4 5 6 7 8 9 1103 A1 6106 D4
1105 A9 6107 C4
2001 F1 6110 D3
A 2002 F2 6111 B5 A
3 3101 2054 F1 6112 A8
F108 3121 2115
N 5101
5102 2056 F1 6113 C8
470K
F100 5105 F106 2101 A2 6114 C9
1206
9mH
3
9mH
3104
5103
4
4
3
F109 1n /1KV
SCK164L LS-PH03P-002 10R /1/2W 2102 A2 6115 B9
C8B-R6H +12V
250V
2125
AC ADAPTER 2106 A5 6116 C9
A A
2n2
HJC-S2463
220n /275V
1105
220n /275V
1101 2107 C2 7101 B3
470K
2 SRW30EFD-T01H016 2A I116
1206
DJ-505
3102
[R] 2101
2102
1
20147 6101 F103 5 10 I115 2108 C4 7102 B5
GBU408 I117 2109 A6 7103 D4
B B
2126
3
km/450V
GND
250V
1000u /25V
470u /25V
2110 B2 7105 D6
2n2
1000u /25V
6112
820K
1N5347B-F88
F101 1103 5106 2
1206
3103
2106
2116
2117
2121
MBRF10H100CT-45 2111 B6 7106 E7
82u
I125
1n /1KV
2109
4 9
220K /1/2W
6115
220K /1/2W
2112 D3 7107 D3
1
2
1
2
1 T3.15AH C8B-R6H F107
3120
3116
L 250V 8 2113 D4 7108 E3
F102 F104 4102 2114 B7 7109 D9
I126 HeatSink
7101 I124 6 2115 A8 8052 D1
TEA1533AP/N1 2116 A8 8102 B1
BYV95C
6111
3 7
10R /1/2W
I129 2118 2117 A8 8103 B1
8 3106 3123
3128
1
C B AC INLET Y/G WIRE Vcc Drain
1R /1/2W 5104
11
4R7 /1/2W 1n /1KV
B 2118 B8 9101 C5
C
400V
[R] 8102 2119 C8 F100 A1
2110
1u
1 F105 7 7102
2 2 12 2121 A9 F101 A1
Gnd Hvs 100MHZ
is prohibited without the written consent of the copyright
STP7NK80ZFP 2122 D7 F102 B3