Philips DVDR1000/001 Service Manual page 70

GB 70 5. DVDR1000 /0x1 /691
DSW Audio Part Check
DSW AUDIO PART CHECK
Start Diagnostic Software
and select Command mode
Audio Clock Test
Command: 1400
Measure ACC_ACLK_PLL on I803
(11.289MHz)
Audio Clock Test
Command: 1401
Measure ACC_ACLK_PLL on I803
(12.288MHz)
Check AD_CLK on testpoint I256
Host Pink Noise ON
Command: 115
Check AD_BCLK(3.072MHz) on pin14 of con.1602
Check AD_WCLK(48KHz) on pin12 of con.1602
Check AD_ACLK(12.288MHz) on pin9 & 16 of con.1602
Check AD_DATAO(Activity) on pin11 of con.1602
Check AD_SPDIF(Activity) on pin2 of con.1602
Host Pink Noise OFF
Command: 116
Check AD_BCLK(3.072MHz) on pin14 of con.1602
Check AD_WCLK(48KHz) on pin12 of con.1602
Check AD_ACLK(12.288MHz) on pin9 & 16 of con.1602
Check AD_DATAO(No Activity) on pin11 of con.1602
Check AD_SPDIF(No Activity) on pin2 of con.1602
Audio I2S Encoding Path Test
Command: 900
Check AE_BCLK(3.072MHz) on pin21 of con.1602
Check AE_WCLK(48KHz) on pin20 of con.1602
Check AE_DATAI(Activity) on pin18 of con.1602
Check AE_DATAO(Activity) on testpoint I155
Video Encoding Path Test
Command: 902
Check VIP_ICLK(27MHz) on testpoint I101
Check VIP_VS(50Hz) on testpoint I401
Check VE_DSn(Activity) on testpoint I104
Check VE_DTACKn(Activity) on testpoint I414
Mute ON Test --> Command: 109
Check Mute level(high) on testpoint I609
Mute OFF Test --> Command: 110
Check Mute Level(low) on testpoint I609
AUDIO PART OK
Diagnostic Software and Faultfinding Trees
NOK
OK
NOK
OK
NOK
OK
NOK
OK
NOK
OK
NOK
OK
NOK
OK
NOK
OK
Figure 5-26
- Check IC 7202
- Check IC 7917
- Check IC 7800
- Check IC 7202
- Check IC 7917
- Check IC 7800
- Check IC 7103
- Check IC 7103
- Check IC 7202
- Check IC 7103
- Check IC 7202
- Check IC 7100
- Check IC 7703
- Check IC 7100
- Check IC 7703
- Check IC 7917
CL 16532095_092.eps
150801