Pioneer XV-DV740 Service Manual page 91

5
6. Operations during DSP module error diagnosis function
[ How to enter DSP module error diagnosis]
• Press "DISPLAY" button of the accessory remote control in service test mode to show DSP error messages.
[ How to quit DSP module error diagnosis]
• Press "DISPLAY" button of the accessory remote control again to select normal service test mode.
For this reason, the usual function of "display" is not effective during Service Test mode.
• DVD total running time/remaining time display is inactive.
• OSD changing on TV is also inactive.
Specification of DSP error display
The name of the error is displayed
in six characters.
‡ ‡ ‡ ‡ ‡ ‡
FL
*1 : The "U", "M" and "9" are not displayed synchronizing with the display "ERR_0" - "ERR_4" ("DIRERR",etc),
but it depends on the state each time.
The following example display of "ERR_0" - "ERR_4" is just a sample.
[Error] [Indications on the FL display]
ERR_0
D I R E R R - U M
ERR_1 D S P E R R - U M
ERR_2 H R E Q
ERR_3 D S P
ERR_4 D M
NO ERR
D S P
Refer to "7.1.10 DSP TROUBLE SHOOTING".
Service Test mode connecting point
F
CONTROL ASSY
SIDE B
5
6
Space
DIR UNLOCK (This character is displayed while DIR is UNLOCK.)
DSP MUTE (This character is displayed while DSPMUTE is active.)
96k (This character is displayed while the source is 88.2 or 96kHz PCM.)
- U M 9
*1
- U M
N G - U M
U T E - M
O K -
SIDE B
6
7
DSP MUTE
1.MUTE OUT
R5547
R5546
Q3173
R5510
R5519
D
XV-DV740
7
8
Connecting point
R5566
R5531
R5526
TEST TEST
C5510
UTEST
R5563
R5561
R5555
C5508
Q5571
8
A
B
C
D
E
F
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