Diagnostic Software and Faultfinding Trees
GB 84
DVDR1000 /0x1 /691
5.
Reset and Clock Check
Figure 5-38
Power On and exit
stand-by mode
Enable DVIO board:
- press channel up or down
untill the display shows CAM3
- press tuner key in order to
switch to the DV-source
The red LED above the
DV-input will light up.
NOK
NOK
NOK
OK
OK
OK
OK
OK
OK
OK
- Check connection
to Front DVIO
- Check IC 7203
- Check T 7207
- Check R 3523
- Check IC 7203
- Check T 7202
- Check IC 7303
- Check IC 7307
- Check R 3315
- Check IC 7308
- Check IC 7303
- Check R 3317
- Check IC 7308
- Check IC 7404
- Check R 3318
- Check IC 7308
- Check IC 7500
- Check R 3319
- Check x-tal1200
- Check IC 7203
- Check R 3201
Check Reset signal (LOW)
on testpoint F202
Check uP clock
on testpoint F201
(11,05MHz)
Check CLOCKAUDTMP
on testpoint F303
(8,192MHz)
Check Clock 27MHz
on testpoint F305
Check Clock 27M_DV
on testpoint F307
(27MHz)
Check Clock 27M_CON
on testpoint F308
(27MHz)
Reset- and clock signals
are OK
RESET & CLOCK CHECK DVIO
USE DVIO BOARD CIRCUIT DIAGRAMS 2, 3, 4 AND 5 AND DVIO TOP VIEW TESTPOINTS
NOK
NOK
NOK
NOK
CL 16532095_104.eps
150801
Summary of Contents for DVDR1000/001
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