Denon DN-730R Service Manual page 5

DN-730R
I iEVEL DIAGRAM j
PLAYBACK SYSTEM
TCC-130 IDOLBY B-TYPE
400 Hz 200 nw-b/m
PB HEAD PB EQ AMP PB GAiN
IC302
- - - (3) 7
TESI A_=
400_'z -- !' (2)
'J I I .__'-'r:_ [ aT,o,
' dl + (RT20b
%? !
DOLBY NR
SYSTEMIC
rC303
'°I
,
-20_
I
!
-ac -i
60"
i
-704 -rob
_" _LAY BACK TCC-'30 400Hz 200nwbzm
LINE MUTE HEA[',)PHONE AMP PHONES
T_?04 iC306 OUT
LINE OUT
LINE _UTE ..... _+___,
I
÷TdB
_HONES OUT LCAD ,B,Q
/J_-----Io_B L,NEO0, :,
OdB=775mV
RECORDING SYSTEM
INPUT FREQUENCY
400 Hz
L KE INPUT
:N_:Z VOLUME
iNPUT FRE QUE'NC ,'
L_n t
,pen) __ _OOk,z
VRS01
LE'_EL
÷';0 ]
o
-lo _
20
2OdB
-24¢JB
DOLBY NR REC qEC EO AMP BIAS REC
SYSTEM IC SENSE 5 C,_10 4 -RAP HEAD
)rPr208)
I
]
-15d£ (NORMS, L] !SdB (ME TAL)
-20 5dB (CHROME)
21dB (NORMAL)
+ 2dB (METAL)
-0
5dB
(CHROME)
-_ f'dB (NORMAL)
40-
50 -_
-60"
-70
REC PLAY FREQUENCY : 400H'z
O_B:Z7§mV