Tascam DA-30 - 13. Adjustment of Error Rate; 13-1. Digital PCB section

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13. Adjustment of Error Rate
13.1
1)
Digital PCB section
Connect CH-1 of the oscilloscope to TP404 PIN2
(FLAG) and CH-2 to TP407 (SWH).
Load the function test tape TY-7551, then play back
PGM No. 13; at this time, as shown in Photo 4-5 @),
turn semi-fixed resistor R429 both ways until there
are the least possible error flags.
2)
Photo 4-5
eayrgeenreette
+
@
13. ZFI-—-+b-bOME
13-1. FAFXPCBR
1).
¥aRI-—SFOCH-1ETPAOA
PIN
2(FLAG)
I=,
CH-2
ZTPAOT
(SWH)
KK TMCNET
S.
Q).
FeV
Ia
LHF
ARC
FT
TY-T5SIZRGL,
PCK
NO.13
EBALAL&,
SMi-5@
Ole
=
5
-
FITMARDICMS
MBER
R29
t2G6
HARM
LCATHET
S.
Error rate (10° to 10")
No sound.
xz5—-U-—+t (10°~10-")
Bens.
Error rate (107 to 10°)
Flickering error flag.
xzo—e—F (107~107°)
LP-FIIM, BEVDR
HTE5D4.
®
Error rate (10° to 10%)
Virtually no error flag appears.
2F—b— b(107~1074)
ZP-—7FSIR, LEACRK
ELE.
a