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EN 68
5.
DVDR980-985 /0X1
Power part check
USE DIGITAL BOARD CIRCUIT DIAGRAMS 1 2, 3, 4, 5, 7 AND 8 AND DIGITAL BOARD BOTTOM VIEW TESTPOINTS
Vcc3_VSM(+3V3) on testpoint I100
Vcc3_VSM_mem(+3V3) on testpoint I141
Vdd_sti(+3V3) on tespoint I244
Vdd_flash_L(+3V3) on testpoint I304
Vdd_flash_H1(+3V3) on testpoint I301
VDD_EMP(+3V3) on tespoint I413
VDD_EMP_CORE(+3V3) on tespoint I412
VDDA_7118(+3V3) on testpoint I509
VDDA_1A_7118(+3V3) on testpoint I508
VDDA_2A_7118(+3V3) on testpoint I510
VDDA_3A_7118(+3V3) on testpoint I513
VDDA_4A_7118(+3V3) on testpoint I514
VDDX_7118(+3V3) on testpoint I518
VDDE_7118(+3V3) on testpoint I511
VDDI_7118(+3V3) on testpoint I515
VDD_LVC32(+3V3) on testpoint I526
VDD5_OSC(+5V) on tespoint I925
VCC5_4046(+5V) on testpoint I130
VCC3_CLK_BUF(+3V3) on testpoint I930
Diagnostic Software and Faultfinding Trees
POWER PART CHECK DIGITAL BOARD
Power On and exit
stand-by mode
OK
Check +3V3 on Testpoints I905
Check +12V on Testpoint I907
Check +5V on Testpoint I906
Check -5V on Testpoint I908
OK
OK
OK
OK
OK
OK
OK
Power Part OK
NOK
check L5100
NOK
check L5101
NOK
check L5200
NOK
check L5300
NOK
check L5302
NOK
check L5404
NOK
check IC7404
NOK
check L5507
NOK
check L5500
NOK
check L5501
NOK
check L5502
NOK
check L5503
NOK
check L5508
NOK
check L5506
NOK
check L5505
NOK
check L5504
NOK
check L5905
NOK
check L5103
NOK
check L5907
CL 16532145_046.eps
031201
Figure 5-23
- Check connection to PSU
NOK
- Check PSU
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