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Record Bias Adjustment | DECK B
Procedure:
1.
record mode
AF OSC
blank tape
CS-122
Ge
attenuator
ore
o--9
VIDEO/AUX (US, Canadian, E, EA, AUS)
PHONO (AEP, UK, WG, IT)
1) on
| a6 V
(—24.5dB
m
=
.
2) 10kHz
my)
2.
playback mode
recorded
VTVM
portion
DOLBY OUT TP701
Confirm
playback
the signal recorded
in step 1 become
adjustment level as follows.
If these levels do not adjustment level, adjustment the RV42B
(deck A) and RV62B (deck B) to repeat step 1 and 2.
Adjustment level: Playback
output of 315Hz to playback
output of 10kHz:
—0.5dB to 0.5dB
Adjustment Location : MD-B board
Record Level Adjustment
DECK B
Procedure :
1.
record mode
AF OSC
blank tape
CS-122
e3
attenuator
Co
ne
VIDEO/AUX (US, Canadian, E, EA, AUS)
PHONO (AEP, UK, WG, IT)
315Hz, 0.46V (—4.5dBm)
2.
playback mode
recorded
VTVM
portion
DOLBY OUT TP701
(AEP, UK, WG, IT)
HCD-H7/H1500
Confirm playback the signal recorded in step become adjust-
ment level as follows.
If these levels do not adjustment level, adjustment the RV701
(deck A) and RV751 (deck B) to repeat step 1 and 2.
Adjustment Level:
LINE OUT level: —6+0.5dBm (0.37 to 0.41V)
Adjustment Location : main board
Adjustment Location :
mechanism deck—rear side—
TAPE HIGH SPEED
adjustment resistor (H)
TAPE NORMAL SPEED
adjustment resistor (L)
motors
deck A: M1
deck B: M2
RV62B
RECORD BIAS ADJ
(R-CH)
RV61A, B
(R-CH)
|
}
!
t
I
PLAYBACK LEVEL ADJ
lata
q
!
ae
RV41A, B
(L-CH)
PLAYBACK
LEVEL ADJ
RV42B
deck A: MD-A board
RECORD BIAS ADJ
deck B: MD-B board
(L-CH)
main board —component side—
RECORD LEVEL ADJ
en
RV751, RV70O1
(R-CH)
(L-CH)
TB1
ANTENNA
test pin
TP701
DOLBY OUT
J701
VIDEO/AUX
US, Canadian,
E, EA, AUS
)
PHONO
1C604
1201
test pin
TP601
TEST MODE
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