Sharp CD-XP205V Service Manual page 13

Standard Specification of Stereo System Error Message Display Contents
Error Contents
TAPE Mechanism Error.
CD Pickup Mechanism Error.
CD Changer Mechanism Error.
CD DSP Communication Error
Focus Not Match.
IL Time Over.
TUN PLL Unlock.
(*) CHECKING:
If CD changer mechanism error is detected, 'CHECKING' will be display instead of 'ER-CD**' display 'ER-CD**' will only be display
when CD changer mechanism error had been detected for the 5 th times.
Speaker abnormal detection and +B PROTECTION display
In case speaker abnormal detection or +B PROTECTION had occurred, it can be check by pressing 'POWER', 'VIDEO' and 'X-
BASS' key twice. Display will show "S** B**". S is referring to speaker abnormal detection and B is referring to +B PROTECTION.
** is in hex valve.
+B PROTECTION is condition when irregular process occur on power supply line.
VIDEO CD SECTION
TEST DISC Model No. TVD-581A (NTSC/PAL)
• Checking of video output signal
Checking of color bar
Disc Adjusting Point
Track 2 Video output terminal
UNIT
Video Output Terminal
Video Input Terminal
Figure 13-1 CHECKING OF VIDEO OUTPUT SIGNAL
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DISPLAY
'ER-TA**'
'ER-CD**'
'ER-CD**'
(*)
'ER-CD**'
'NO DISC'
'NOT READ'
'ER-TU**'
Instrument
Connection
Chroma Peak Level
105 ± 15 IRE
TV
– 13 –
Notes
00: Tape Mechanism Error.
01: Initial Error.
01: PU-IN SW Detection NG.
10: Changer Error.
11: Initial Error.
31: DSP COMMUNICATION ERROR
00: TUN Error.
01: PLL Unlock.
(59.94 Hz)
IH
100 100
75
100 IRE
140 IRE (0.714 V)
33.5
(1 V)
20
5
40 IRE
(0.286 V)
-20
-40
40 IRE
Color Burst
Figure 13-2
CD-XP205V
88.5
75
Color bar signal
70
waveform
41.5
0
Horizontal
-13.5
sync signal
-25 -25