Sony HCD-H7 - Page 13

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