Philips CDR570 Service Manual page 29
Compact disc recorder
Hide thumbs
Also See for CDR570:
- Service manual (59 pages) ,
- Instructions for use manual (26 pages) ,
- Gebruiksaanwijzing (23 pages)
Table of Contents
Advertisement
Service modes, repair tips and faultfinding trees
5.2.5
Audio signal check
DIGITAL AUDIO PLAYBACK
INSERT AUDIO SIGNALS DISC
START TRACK 15(1KHz 0dB)
HF-SIGNAL
ON TESTPOINT HF2 ?
(DIAGRAM 5)
YES
I2S-SIGNALS
ON TESTPOINTS
A14,A15,A16 ?
(DIAGRAM 5)
YES
DIGITAL SIGNAL
OUT OF DASP ON
TESTPOINT A24
(DIAGRAM 9)
YES
DIGITAL AUDIO PLAYBACK
OK
-
CHECK CAHF-SIGNAL ON
NO
TESTPOINT HF1 FOR ACTIVITY
-
CHECK TR 7375,7373,7371,
A14
A15
2,1168MHz
BCLK
44,1KHz
LEFT CHANNEL
WCLK
0.5uS/DIV
MSB
DATA0
-
CHECK IC 7300
NO
-
CHECK POWER SUPPLY D3V3
-
CHECK SYS CLK BE ON
TESTPOINT R10 (= 8,4672 MHz)
-
CHECK POWER SUPPLY IC 7701
NO
-
CHECK IC 7701
Figure 5-19
CDR 3rd gen.
7370,7361AND IC 7360
A16
32
RIGHT CHANNEL
LSB
MSB
TESTPOINT A24
5.
HF2
eyepattern
2.5V
0,5us/DIV
>800mVpp
CL06532018_021.eps
290200
GB 29
Hide quick links:
Advertisement
Table of Contents
