Teac X-1000 - 3-2 Playback Performance Checks

| X1000M/X-1000
TEAC test tapes:
For playback alignment
YTT-1004: For 38cm/s (15 ips), LH-H
YTT-1003: For 19em/s (7-% ips), LH-I
YTT-1002: For 9.5cm/s (3-% ips), LH-I
YTT-1053: For 19cm/s (7-% ips), EE
YTT-1052: For 9.5em/s (3-% ips), EE
For recording alignment (blank)
YTT-8013: For LH-H
3-2
PLAYBACK
PERFORMANCE
YTT-1054:
For
38cm/s
(15
ips),
EE
CONNECTION
MODE/
INSTRUCTION
SIGNAL
SOURCE
ADJUST
(or CHECK)
YTT-8053: For EE
RESULT REMARKS
5, Playback
head
azimuth
Fig. 3-2
MONITOR-—TAPE
SPEED—19cm/s
TAPE sw—LH-1
Note: On X-1000M,
adjust both 2T and
4T playback heads.
YTT-1003
(16kHz/—10dB)
Azimuth
adj. screw/s
of head
(Fig. 2-14)
Phase:
within 45° on
oscilloscope
(Fig. 3-3)
6, Playback
7. VU meter
8. Freq uency
response
PLAY HEAD sw
[X-1000M] ~—2T
EQ sw [X-1000M] —
NAB
OUTPUT cont.—CAL
SPEED—19cm/s
OUTPUT cont.—
YTT-1003
(400Hz/0dB)
R313/R314
PLAY HEAD sw—4T
(Reset to 2T after-
wards)
Spec. PB condition
boomer eee
9.5cm/s
38cm/s
19cm/s
9.5cm/s
9, Phase shift
93| «
TAPE sw—LH-I
SPEED—38cm/s
SPEED—9.5cm/s
10. PHONES
output
level
_ 3-5 Spec. PB condition
YTT-1003
(400Hz/OdB)
YTT-1002
YTT-1054
YTT-1053
YTT-1052
R327/R328
R333/R334
[X-1000M]
R327/R328
{X-1000]
(Ref.: 400Hz)
Say
—5dB (436mV)_ | Spec. PB condition
For EQ switch location,
refer to Fig. 3-6.
+1dB £2dB
{690mV ~
Max. output level
Spec. PB condition
IMPORTANT: Do not
disturb OUTPUT cont.
during later checks.
—9dB +2dB
(218mV ~
346mvV)
X-1000M only
OVU +1VU
on VU meter
40Hz ~ 26kHz
+3dB
X-1000M only
40Hz ~ 26kHz
+3dB
(Ref.: 400Hz)
YTT-1004
LH-O EE
YTT-1002 YTT-1052
+3dB
DECK under TEST
-~44B
400
14k i8k(Hz)
Fig. 3-4 Playback frequency response (9.5cm/s)
YTT-1003
(400Hz/0dB)
within 45° on
oscilloscope
(50Hz ~ 22kHz)
(Fig. 3-3)
oO
PHONES
—24dB +2dB
(38.8mV ~
61.5mV)
{at PHONES jack)
‘| When OUTPUT terminal
is at —5dB
AC Voltmeter
Fig. 3-5 Connection for PHONES level check
TEST LOAD RESISTORS
11