Teac V-7010 - Electrical Adjustments - Recording Performance

ER
Deck Settings
Mode
REC LEVEL Control
BALANCE Control!
BIAS/LEYEL Controls
DOLBY NR. SW
MPX FILTER SW
SETTING
ee
. Built-in OSC]
ARF ES
(LEVEL/81AS)
. Bias osc.
frequency
INA TA
FRE
. Step up coil
ATyT
PuTta4t
. Record bias
GENITA
. Record level
BELA
. Total
harmonic
distortion
BARS
DC Voltmeter -
aS
Fig. 3-8 Test setup
: Center position
: OFF
: OUT
AUTO MONITOR SW :
AJL, REET S
; MAIN PCB For Metal Tape
_ R19 Same as above
OSC PCB
1104
1SOKHz
~~ VTP C143
yp
| V=(UTU/V-DUTU
3-2-5 RECORDING PERFORMANCE
TEAC Recording Test Tapes
: REC/PLAY MTT-5571 : For METAL
: Specified position Mize (Ttem 8) MTT-5561 For Cr02Z
: Specified position ME Utem 8) MTT-5511 :
For NORMAL
TAPE -
MEASURING POINTS
ADJUSTMENTS RESULT
al BISEMBAA « BBE
LINE IN: CAL START SW: ON
TP CAL (W81) : Nearly equal
| MAIN PCB level at both 500Hz /12kHz.
R82 500Hz & 12kHz OV AILEEL ¢
No signal Eki (Press sevral
HES ay times)
ae PCB TP CAL (Wel): yearn CAL STARTSIEERD
: LT
LINE IN:
No signal OSC PCB TP (We88) : 150 + 5kHz NTT-S571
a Lid4 .
Seley
: -| TP (C148/ C243)
ae Hake Minimum DC voltage MIT-S571
DC wee Ma
For Normal Tape
OUTPUT (L/R) : Equal level
. at both 400Hz/10KHz. . NTT-5511
LINE IN (L/R): | RIS/R28 400H2 & L0KHZDERTELL DD LNLaN
400Hz/ 10kHz ; cae ero :
— 424B (8.1mV) ; :
Record/reproduce} MAIN PCB For CrO, Tape fester
alternately R18 Same as above
ifs FAS At
MTT-5571
MTT-5511
INPUT SIGNAL
ATHES
REMARKS
ii
MTT-5511
Mode: STOP
MAIN PCB
MAIN PCB
LINE IN (L/R): | R12/R22
400H2/-12dB
(195mV)
Record/ reproduce
OUTPUT (L/R):
~6dB (436mV)
OUTPUT (L/R):
-5 = 2dB (NR OFF)
-5 +3dB (NR ON)
NTT-5561
MTT-5511
LINE IN (L/R):
400Hz/~124B
(195mV)
OUTPUT (L/R): NIT-551]
2.5 % or less(Zd F) (METAL, Cr0.)} NTT-5561
2.0 % or less(Ld F) (NORMAL) NTT-5571
Frequency Counter
Item 14
O
MAIN PCB.
TP{ISOKHZ}
W3t 7
TP CAL
‘on
TP C243
Fig. 3-9 Test setup