Error Code; Warning Indicators; Error Codes - Sony DNW-7 Maintenance Manual

2-1. Error Code

Error code

Warning indicators

2-1-1. Warning Indicators
The warning indicator on the LCD screen lights if any fault occurs during the power-on sequence or
normal operation. And the tally indicator on the viewfinder, back tally and warning indicators blink at the
same time.
RF : Lights if video heads are clogged.
SERVO : Lights if the servo fails.
Lights if the communication error is occurred between system control IC (DVP-1 board) and
servo IC (MDC-5 board)
HUMID : Lights if there is condensation in the unit.
SLACK : Lights if the tape is not winding properly or the following troubles
(refer to "Error Codes") are occurred.

2-1-2. Error Codes

When "SLACK" of the warning indicator lights, error causes and its operating status are displayed on the
LCD display.
E-XXX
MODE
0: POWER ON
1: REC
2: REC PAUSE
3: THREAD
4: UNTHREAD
5: STOP
8: PLAY
9: FF
A: REW
b: REC REVIEW
C: CUE UP
E: FF SEARCH
DNW-7/90/90WS
Section 2
Error Code
DIAG PB VITC NDF EXT-LK
H MIN SEC
TAPE E
BATT E
RF SERVO HUMID
LCD displays
F: REW SEARCH
ERROR CAUSE
10: Drum drive voltage abnormality
11: Detects no drum FG
12: Detects no drum PG
20: Capstan drive voltage abnormality
21: Detects no capstan FG-A
22: Detects no capstan FG-B
23: Capstan rotation abnormality in forward
and reverse directions
OVER EMPH OVER
HOLD
0
V
H
10
FRM
20
B
30
F
40
SLACK
1 2
PEAK dB
24:Capstan speed abnormality (high speed)
32:Detects no S reel FG
42:Detects no T reel FG
61:Fuction cam rotation overtime in the forward
direction
62:Fuction cam rotation overtime in the reverse
direction
63:Tape top sensor overtime
64:Full top sensor overtime
65:End sensor overtime
70:Servo NVRAM checksum error
71:Communication error between servo CPUs
2-1