Teac X-3 Service Manual

X-3
3-5 RECORDING PERFORMANCE TEAC test tape: YTT-8013: For recording alignment (blank)
—_—
MODE/ SIGNAL ADJUST
(TEM CONNECTION sMerRbiGT ION SSURcE lor CHECK) OUTPUT REMARKS
AC voltmeter
between BIAS Min. reading Bias Frequency:
songs 10-1) FRAP TP(31-B or| Pec-Pause mode. _— Eros i208 on VTVM 100 kHz +5 kHz
irises 33-B) & GND
level [ce cree reer, eed soeadciete A einen hota lllctiaccane cee! |
Rec-pause mode.
10-2! Fig. 3-2 MONITOR sw.: _ L101/L201 Min. reading
TAPE
; : withi
11. Record MONITOR sw. 10 kHz/—42 dB | Azimuth adjust PHASE wit in
head 11-1| Fig. 3-3 TAPE v) x salve ot Liéad 45° on oscillo- Fig. 34
azimuth Record mode (6.15m scope
T
Test Tape:
YTT-8013
SPEED sw.: LOW
12. Record : BIAS sw.: 1 7 kHz/—22 dB Overbias value
Bias MeN aoe EQsw.: 1 (61.5 mV) ice 3 dB~4 dB
MONITOR sw.: (from peak)
TAPE
f 7 i}
| if Test tape: 1 “|
YTT-8013
SPEED sw.: LOW :
13. Record 13-1 BIAS sw.: 1 400 Hz/—22 dB R154/R254 _5 dB (436 mV) Spec. Record condi-
level (61.5 mV) tion
EQ sw.: 1
MONITOR sw.:
TAPE
SPEED sw.: 40 Hz~10 kHz
14, Frequency|14-1|/'9: 3-2 did eet Oates =3d8 Refererce 400 Hz
responce Spec. REC con- . 10 kHz~14 kHz
Ta cee Nee aE OE ee RO ee dL ioe 2 ee a en ee
sw. 1) SPEED sw.: 40 Hz~20 kHz/ +3 dB
14-2 7 HIGH —32 dB Check a Reference 400 Hz
. (19.5 mv) 16 kHz~20 kHz
L G +3 dB, -5 dB
15.F 7 - - +0. i
5. Frequency Spec REC con 400 Hz/—32 dB 1 dB +0.5dB/ |When BIAS/EQ switches
responce 15-1|Fig. 3-2 dition . Check 400 Hz. are changed from “1”
(BIAS, EQ 2 SPEED sw: 10 kHz/—32 dB . —3dB +0.5dB/ | to “2thee OUTPUT
SW.2) HIGH (19.5 mV) 10 kHz level shou fd be reduced.
4. + —
BIAS sw.: 1 HIGH: 47 dB
16. Signai-to- Seon imine Ratio ¢ specified OUT-
noise earaeee pe PUT sinal (—5 dB)
; 16-1}Fig. 3-2 HIGH & LOW = Check LOW: 45 dB dbatage es
ratio ‘ to inheen t noise level.
Spec. REC (min.}
condition ratio
r
Fig. 3-2 SPEED sw.: Lei tae OUTPUT: —65 08 5 eterene OUTPUT level
17. Erase : (195mv, or more
efficiency 17-1|switch on the HIGH +10 VU) Check (436 nV or less) +5 dB.The worst value
Z : ithi
1 kHz filter RECORD mode thien:ne éigddl (70 dB [min.] shouldbe within spec.
recording ratio)
OUTPUT: —65dB
18.
REC
Fig.
3-2
niera
ae
C
See
aia
or
more
Referee
OUTPUT
level:
MUTE 18-1 ‘switch on the Spec. REC 10 VU) then Check (775 pV or less) |+5 dB.The worst value
function 1 kHz filter P oa oe (65 dB [min.] shouldje «within spec.
condition record muting ratio)
ee 1
10

Teac X-3 Specifications

General

Brand	Teac
Model	X-3
Category	Tape Deck
Language	English