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(DECK
SECTION)
13. Tape Speed Adjustment
Settings
Method
:
14,
Settings
Method
:
15
.
Settings
Method :
16.
Settings
Method
:
°° Test
tape
: TTA-100
(TTA-111S)
* Test point : TP-OUT (PIN12)
SFR325
(DECK-2)
Play back the test tape, adjust for 3000Hz.
+ Adjustment
location
:
Head Azimuth Adjustment
(DECK-1,
DECK-2)
: + Test tape : TTS-310
(TTA-317E)
* Test point : TP-OUT
(PIN12)
+ Adjustment
location
: Head azimuth
adjustment
screw
Play back the 10kHz signal of the test tape
and adjust
so that the output
becomes maximum.
Next, perform on each FWD PLAY and REV PLAY
mode (DECK-2-*-K,
El MODEL).
PB Sensitivity
Adjustment
(DECK-1,
DECK-2)
2+ Test tape : TTS-200
(TTA-161, TCC-130)
TP-OUT (PIN12)
K, El MODEL
SFR307 (DECK-1,Lch)
SFR308
(DECK-1,Rch)
SFR301 (DECK-2,Lch)
SFR302 (DECK-2,Rch)
E, Z MODEL
R301,305 (DECK-1,Lch)
R302,306 (DECK-1,Rch)
SFR307 (DECK-2,Lch)
SFR308 (DECK-2,Rch)
Play back the test tape and adjust so that
the output becomes 385mV.
* Test
point
:
+ Adjustment
location
:
PB Frequency Response Check
(DECK-1,
DECK-2)
3+ Test tape : TTS-310
(ITA-317E, SCC-1429)
* Test point : TP-OUT
(PIN12)
Play back the test
tape and check
that the
difference in the output levels between the
315Hz and 10kHz signals is within 0dB+2dB
and the difference in the sensitivity
between
the left and right channels at 10kHz is
within 2dB.
29
17. REC/PB Frequency Response Adjustment
(DECK-1-++K, El MODEL) (DECK-2++-E, Z MODEL)
18.
Settings
Method
:
2+ Test tape : TTA-600
(TTA-119K)
* Test point : TP-OQUT (PIN12)
* Dolby NR SW : OFF
* Input signal : VCR/AUX
(VCR/AUX VR=MAX)
ikHz, ~11.1dB
+ Adjustment location : SFR321
(Lch)
SFR322 (Rch)
Set the input signal level so that the
voltage at the test point is 270mV and
attenuate the level by -20dB.
Record and
play the 1kHz and 10kHz signals and adjust
so that the output of 10kHz signal is 0+1dB
for 1kHz signal.
REC/PB Sensitivity
Adjustment
(DECK-1+++K, El MODEL) (DECK-2---E, Z MODEL)
Settings
:
Method
:
* Test tape : TTA-600
(TTA-119K)
* Test point
: TP-OUT
(PIN12)
* Input
signal
: VCR/AUX
(VCR/AUX
VRZMAX)
lkHz, -11.1dB
SFR313 (Leh)
SFR314 (Rch)
Set the input signal level so the lkHz output
at the test point is 270mV. Record and play
+ Adjustment
location
:
the signal and adjust so that the output is
270mV + 14B.
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