Sony DNW-A75 Maintenance Manual page 133

To display the self-diagnosis function result
(1) Select the C26 : DPR-150 DIAG INFO menu.
(2) To scroll the screen, turn the JOG dial.
Downward: Turn it in REVERSE (3) direction.
Upward: Turn it in FORWARD (2) direction.
(3) Press the MENU button to terminate the menu after
checking the self-diagnosis result.
Screen display samples
In case of normal
AUDIO/VIDEO CHECK MODE
C26:DPR-150 DIAG INFO
DPR-150 DIAG. OK!
INITIAL VERIFY..
1.SX DEC 0 INIT. OK
2.SX DEC 1 INIT. OK
3.SX DEC 2 INIT. OK
4.SX ENC 0 INIT. OK
5.SX ENC 1 INIT. OK
6.SX MEP INIT. OK
7.SX MPEG0 INIT. OK
8.SX MPEG1 INIT. OK
9.SX MPEG2 INIT. OK
a.DIGI FIL INIT. OK
b.SDTI CP INIT. OK
c.MSP MOE INIT. OK
OTHERS CHECK..
11.SX DEC 0 CHECK. OK
12.SX DEC 1 CHECK. OK
13.SX DEC 2 CHECK. OK
14.SX ENC 0 CHECK. OK
15.SX ENC 1 CHECK. OK
16.SX MEP CHECK. OK
1a.DIGI FIL CHECK. OK
In case of abnormal
AUDIO/VIDEO CHECK MODE
C26:DPR-150 DIAG INFO
DPR-150 DIAG. ERROR!
INITIAL VERIFY..
1.SX DEC 0 INIT. OK
2.SX DEC 1 INIT. OK
3.SX DEC 2 INIT. OK
4.SX ENC 0 INIT. OK
5.SX ENC 1 INIT. NG
6.SX MEP INIT. OK
7.SX MPEG0 INIT. OK
8.SX MPEG1 INIT. OK
9.SX MPEG2 INIT. OK
a.DIGI FIL INIT. OK
b.SDTI CP INIT. NG
c.MSP MOE INIT. OK
OTHERS CHECK..
11.SX DEC 0 CHECK. NG
PARITY ERR STREAM
12.SX DEC 1 CHECK. NG
PARITY ERR STREAM
13.SX DEC 2 CHECK. NG
PARITY ERR STREAM
14.SX ENC 0 CHECK. OK
15.SX ENC 1 CHECK. OK
16.SX MEP CHECK. OK
1a.DIGI FIL CHECK. OK
DNW-A75/A75P
Displays NG for failure item.
In case of NG,
the detail data is displayed.
Detail description of abnormal case
INITIAL VERIFY:
The possible cause below is judged as an NG item.
. The target IC is defective.
. The foiled pattern on the board connecting target IC and
SY3 CPU is defective.
. The component part between target IC and SY3 CPU is
defective.
INITIAL VERIFY Target Target IC's pin number
Screen display IC
1. SX DEC 0 INIT. NG IC300
2. SX DEC 1 INIT. NG IC400
3. SX DEC 2 INIT. NG IC500
4. SX ENC 0 INIT. NG IC700
5. SX ENC 1 INIT. NG IC900
6. SX MEP INIT. NG IC800
7. SX MPEG0 INIT. NG IC702
8. SX MPEG1 INIT. NG IC906
9. SX MPEG2 INIT. NG IC606
a. DIGI FIL INIT. NG IC603
b. SDTI CP INIT. NG IC30
c. MSP MOE INIT. NG IC1000 Pins 124, 145 to 147, 154 to
*: When the DPR-150 board's board number suffix is -11, this IC CXD9139GF
is IC300 on the piggybacked DIF-109 board on to the DPR-150 board.
OTHERS CHECK:
The possible cause below is judged as an ERR item.
. The target IC is defective.
. The foiled pattern on the board connecting target IC and
its connected IC is defective.
. The component part between target IC and its connected
IC is defective.
. Connected IC is defective.
OTHERS CHECK
Screen display
11. SX DEC 0 CHECK. NG
SDRAM ERR ALL
PARITY ERR MEP
PARITY ERR STREAM
CLOCK ERR 13.5M
CLOCK ERR 27M
CLOCK ERR 54M
CLOCK ERR 81M
4-2. TAPE Maintenance Mode (M0)
4-2-5. AUDIO/VIDEO CHECK Mode (C2)
connected to SY3 CPU
Pins 44 to 47, 53 to 59, 62
Pins 44 to 47, 53 to 59, 62
Pins 44 to 47, 53 to 59, 62
Pins 128, 133 to 135, 141 to
144, 146 to 149
Pins 128, 133 to 135, 141 to
144, 146 to 149
Pins 128, 134, 135, 141 to
144, 146 to 149
Pins 122 to 125, 128 to 131,
139 to 142
Pins 122 to 125, 128 to 131,
139 to 142
Pins 122 to 125, 128 to 131,
139 to 142
Pins 113 to 116, 118 to 125
*
Pins 13, 14, 21, 111 to 113,
115, 120, 202 to 204, 288
157, 160, 162 to 164
Target IC (Its pin number)
[Ref. No. of Connected IC]
IC300, [IC301]
IC300 (Internal connection of IC300)
IC300 (Pins 88 to 95, 98, 112)
IC300
(Pins 99, 120 to 124, 127 to 132)
4-43