Teac R-919X Service Manual

V-970X/R-919X
5-3. PLAYBACK PERFORMANCE
34 FR
TEAC test tapes :
Deck settings HIT-150 For Dolby level calibration
Mode PLAY MIT-256 For playback frequency response check for NORMAL
NR SYSTEM sw. OUT HIT-356 : For playback frequency response check for METAL and Cr02
HPX FILTER sw. OUT MIT-5511 : For S/N check for NORMAL
ITEM SETTING INPUT SIGNAL pate erie REMARKS
WEAR RQ AES i &
Bebo REM + BiG
OUTPUT (L/R)
MIT-150 Check Phase : Within 45°
ft 45° DAA
Connection Fig. 5-5
ae Beate Check/adjust in FHD/REV OUTPUT (L/R) Refer to
BBAYE respectively Azimuth screws Phase between L-ch and Fig. 5-8
eae FWD, REV ENEN FLYI/ | wey ose op HrT-356 of R+P head R-ch : 0°
ae Be (10 ktz ) B-BAYEO Maximumx output at L- &
PYUVARMBRY | R-ch's.
(Fig. 5-6, 5-7) L-R FID MBA O° TS
AOS ch HBAMHD
Same as above faj_E OUTPUT (L/R)
MIT-150 R12 / R22
2. Playback FHD DIRECTION FWD Ara my | -5 dB ( 436 mv ) Ll
output level
BEMAUANIL | Same as above fal k OUTPUT ¢L/R)
REV DIRECTION REV AM ne 5 db + 1.5 a8
( 367 mV ~ 518 mV )
3. ee PEAK LEVEL meter (L/R)
A Connection Fig. 5-1 MIT-150 R13 / R23 0 dB (RED) {it
ROAM 0dB (aR) ART
tyb :
OUTPUT (L/R)
4. oot oe ne ney output level at 351 Hz
requency F - and 10 kHz
response
Connect
Fon
(HIT-356)
fe
315
Hz
&
10
kH2
OWAAIRERE<
BE ARBs BOLD
Standerd #8 : Fig. 5-9
MIT-5511 OUTPUT (L/R)
5. Playback ( fully demagnetized S/N 45dB min.
S/N ratio ; ; using bulk tape —
Het S/N tt Connection Fig. 5-1 eraser )
PHM SNKHO)
REC Head
BAY F
P/B Head
BEN» KF
REC Head Azimuth Screw Height Adj. Screw
RECT UV RAMERY Baier
P/B Head Tilt Adj. Screw
Azimuth Screw Fb bE RY
P/B7UVAMBARY
Fig. 5-6 (V-970X)
O'lin phase) 45° 90° 135° 180°(out of phase)
4B ina
DAOOWS
Fig.5-8 Confirming phase relationship
48
(SWI +4 U-4 TCH
-5 dB ( 436 mV ) is reference level
BYELAILIS -5 dB ( 436 mV )
REC-PLAY head
FWD azimuth screw
FWD 48 a 3 ta L
REV azimuth screw
REV (ir 48 5a ta U
Fig. 5-7 (R-919X)
(4B)
+4
+2
0
-2
-4
Sa a |
40 31S HOw (Hz)
Fig. 5-9 Playback frequency response
Fi RE
15

Teac R-919X Specifications

General

Brand	Teac
Model	R-919X
Category	Cassette Player
Language	English