LTX PSK QRM

CS.Tu

Q1 & Q2 2005

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 2

Fusion and Synchro in PSK

• Fusion HF x41 Since 2005 , TPG x6 & CPGx1.

• Synchro AC TPG & CPG are all lower loading in Q1~Q2 2005.

• This QRM will focus on Fusion’s status.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 3

Fusion operational uptime by monthly

LTX Fusion HF Target

Monthly % Jan'04Feb'04Mar'04Apr'04May'04Jun'04 Jul'04Aug'04Sep'04Oct'04Nov'04Dec'04Jen'05 Feb'05 Mar'05 Apr'05 May'05 Jun'05

Fusion 97% 97% 97% 97% 97% 97% 97% 97% 97% 98% 96% 81% 97% 97% 97% 96% 96% 96%

Target 98% 98% 98% 98% 98% 98% 98% 98% 98% 98% 98% 98% 98% 98% 98% 98% 98% 98%

70%

80%

90%

100%

Jan'04

Feb'0

4

Mar'04

Apr'04

May'04

Jun'04

Jul'04

Aug'04

Sep'0

4

Oct'04

Nov'04

Dec'04

Jen'05

Feb'0

5

Mar'05

Apr'05

May'05

Jun'05

Factory Power

Shutdown for three

days.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 4

Fusion operational uptime by quarterly%

89

90

91

92

93

94

95

96

97

98

FusionTarget

Fusion 96.7 96.6 96.9 92.5 97.1 96.2Target 98 98 98 98 98 98

Q1'04 Q2'04 Q3'04 Q4'04 Q1'05 Q2'05

100

Factory Power

Shutdown for three

days.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 5

Fusion E-MTBF per monthly

Fusion HF Target

0

100

200

300

400

500

600

700

800

900

Jan'04

Feb'0

4

Mar'04

Apr'04

May'04

Jun'04

Jun'05

Aug'04

Sep'0

4

Oct'04

Nov'04

Dec'04

Jan'05

Feb'0

5

Mar'05

Apr'05

May'05

Jun'05

E-MTBF Jan'04Feb'04Mar'04Apr'04May'04Jun'04 Jun'05Aug'04Sep'04Oct'04Nov'04Dec'04Jan'05Feb'05Mar'05Apr'05May'05Jun'05

Fusion 588 644 614 624 789 486 553 578 575 733 667 309 199 234 239 201 267 361

Target 550 550 550 550 550 550 550 550 550 550 550 550 550 550 550 550 550 550

Hrs

The Calculation of downtimes is

based on ACS ‘s records.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 6

Fusion E-MTBF by quarterly

100

200

300

400

500

600

Hrs

Fusion HFTarget

0

Fusion HF 631 611 568 539 224 258Target 550 550 550 550 550 550

Q1'04 Q2'04 Q3'04 Q4'04 Q1'05 Q2'05

The Calculation of downtime is

based on ACS ‘s records.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 7

Fusion MTBBF monthly

0

500

1000

1500

2000

2500

Jan'04

Feb'0

4

Mar'04

Apr'04

May'04

Jun'04

Jul'04

Aug'04

Sep'0

4

Oct'04

Nov'04

Dec'04

Jan'05

Feb'0

5

Mar'05

Apr'05

May'05

Jun'05

Fusion HF Target

Hrs

MTBBF Jan'04Feb'04Mar'04Apr'04May'04Jun'04 Jul'04Aug'04Sep'04Oct'04Nov'04Dec'04Jan'05Feb'05Mar'05Apr'05May'05Jun'05

Fusion 692 772 706 803 748 636 585 588 569 904 777 475 489 446 701 468 525 808

Target 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000

Power cut in Dec’04 Caused more 20 ea faults. The MTBBF must be lower in

Dec’04 and Jan’05.

PCF521X ‘s production

caused higher failure rates in

SMS. WK526 & WK529 met power trip.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 8

Fusion MTBBF quarterly

Fusion HF

Target

0

500

1000

1500

2000

2500

Fusion HF 684 722 581 688 533 563

Target 2000 2000 2000 2000 2000 2000

Q1'04 Q2'04 Q3'04 Q4'04 Q1'05 Q2'05

Hrs

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 9

Fusion MTTR monthly

Fusion HF Target

MTTR Jan'04 Feb'04Mar'04Apr'04May'04Jun'04 Jul'04 Aug'04Sep'04Oct'04Nov'04Dec'04Jan'05Feb'05Mar'05Apr'05May'05Jun'05

Fusion 6.3 1.0 3.3 0.6 3.5 7.0 4.4 4.4 8.6 4.6 9.7 26.8 2.9 2.7 3.1 4.5 5.5 9.0

Target 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0

0.0

5.0

10.0

15.0

20.0

25.0

30.0

Jan'04

Feb'0

4

Mar'04

Apr'04

May'04

Jun'04

Jul'04

Aug'04

Sep'0

4

Oct'04

Nov'04

Dec'04

Jan'05

Feb'0

5

Mar'05

Apr'05

May'05

Jun'05

Power cut in Dec’04! It

Caused more 20 ea

faults.And took much time in double check.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 10

Fusion MTTR quarterly

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

FusonHF

Target

FusonHF 2.5 4.3 5.4 13.7 2.9 5.6

Target 4 4 4 4 4 4

Q1'04 Q2'04 Q3'04 Q4'04 Q1'05 Q2'05

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 11

Average Delivery Time in hours2005 PSK Repair & Exchange Turnaround Time Chart

306.38

450.89 436.15

309.00

228.52 220.57

12.77

18.7918.17

12.88

9.52 9.19

0

50

100

150

200

250

300

350

400

450

500

Hrs

0

2

4

6

8

10

12

14

16

18

20

Days

Hrs 306.38 450.89 436.15 309.00 228.52 220.57 Days 12.77 18.79 18.17 12.88 9.52 9.19

Jan-05 Feb-05 Mar-05 Apr-05 May-05 Jun-05

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 12

LTX Pre-ship Hit Rate

2005 Pre-ship Hit Rate Chart

0%

100%

0%

100%

0%

67%

100%100% 100% 100%

50%

0% 0% 0%0%

20%

40%

60%

80%

100%

120%

Jan-05 Feb-05 Mar-05 Apr-05 May-05 Jun-05 Jul-05

%FusionSynchro

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 13

Top 5 Failures from Q1~Q2 2005

PECHF SMS_DIG FARMNT SMS HR PSCM

103

56

44

20 1913.2%

45.2%

5.6%

32.3%

46.3%

0

20

40

60

80

100

120

PECHF SMS_DIG FARMNT SMS_HR PSCM0.0%

5.0%

10.0%

15.0%

20.0%

25.0%

30.0%

35.0%

40.0%

45.0%

50.0%Part number05-01 05-0205-0305-0405-0505-0605-07 Total Faults Rates

PECHF 19 21 6 23 19 9 6 103 13.2%

SMS_DIG 7 8 11 9 7 7 7 56 45.2%

FARMNT 13 11 4 2 3 2 9 44 5.6%

SMS_HR 3 2 6 6 2 1 20 32.3%

PSCM 3 2 1 5 7 1 19 44.3%

865-1545-01 8 2 3 2 2 2 19 9.3%

865-7368-04 1 4 1 2 2 1 11 14.1%

876-5083-02 2 2 1 3 2 10865-2743-02 1 1 2 2 3 9

876-5100-01 1 2 1 1 2 2 9

876-5105-00 4 1 1 3 9

865-2742-02 3 1 1 1 1 7876-5101-01 3 1 1 2 7

Others 12 3 7 12 13 5 5 57Grand Total 80 58 44 63 59 42 34 380

• PECHF has 103 ea of fault board in Q1and Q2.• PSCM met problem on wrong EEPROM rewritten by LTX repair house in Q1’05.• Higher DOA & DUW rates.• Fusion’s digital power supply are all very sensitive to power cut.• SMS_DIG and SMS_HR are with higher faults rates than 2004. And it is the top one fault.• Seriously reworked boards are present in PSK.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 15

DOA & DUW Parts Faults Status in 2005

0

50

100

150

200

250

300

0.0%

10.0%

20.0%

30.0%

40.0%

50.0%

60.0%

70.0%

80.0%

Total 25 44 11 253Rates % 7.5% 13.2% 3.3% 76.0%

DOA DUW PRE R&R

2005 Jan~Jun

9

7

61

33

48

55

32

6

13

40

11

45

7

31

4

29

0

10

20

30

40

50

60

70

80

05-01 05-02 05-03 05-04 05-05 05-06 05-07 PRE DOA DUW R&R

5%

10%

15%

20%

25%

30%

35%

40%

20.0%

10.3%

22.7%

30.2%

22.0%21.4%

14.7%

(DOA+DUW Rates/ I.B)

Service Code 05-01 05-02 05-03 05-04 05-05 05-06 05-07

R&R 61 48 32 40 45 31 29

DUW 7 3 5 13 11 7 4

DOA 9 3 5 6 2 2 1

PRE 2 2 4 1 2DOA+DUW % 20.0%10.3%22.7%30.2%22.0%21.4%14.7%

• The Qty’s of DOA +DUW : Q1’05+Q2’05 69 ea >> Qty’s in 2004.• Average Faults Rates of DOA + DUW : 2005 average 20.7% >> 10% in 2004.

(ea)

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 16

• Fusion’s digital power supply are all very sensitive to power cut.

Power supply are very sensitive to power cut

Part number 05-01 05-02 05-03 05-04 05-05 05-06 05-07 Grand Total

876-5083-02 2 2 1 3 2 10876-5100-01 1 2 1 1 2 2 9876-5105-00 4 1 1 3 9876-5101-01 3 1 1 2 7Grand Total 10 3 3 1 3 9 6 35

Power cut since 25th ~27th Dec

2004.

Power cut at WK526

Power cut at WK529

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 17

SMS DIG (865-2728-0X) Fault Rates

• SMS digital & SMS Hr become the top fault parts in PSK.

How many boards will we get this

years ?

20050

10

20

30

40

50

60

2002 2003 2004 Q4'04 Q1'05 Q2'05

From 2002 ~Q2

?

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 18

• Re-worked parts are with higher failure rates and more unstable.

Seriously reworked boards are present in PSK.

Semiconductors, ATO/PSK, 2005 Q2, LTX V.S PSK QRM 19

Reworked boards are damaged easily