Block Diagram - Pioneer XR-A770 Service Manual

XR-A770

7.3 BLOCK DIAGRAM

DUMMY
A
53
TUNER
MODULE
(-2dB)
B
55
CD
$ MECH
(-8dB)
AUX
52
(200mV)
TAPE
DECK
54
(-3.8dB)
E
Q2301
5
TAPE
DECK
PB
Vref
66
E
-
+
50 49
(+2dB)
45 PROLOGIC
LV1035M
N
HA12211NT
E
IC2301
+ +
- -
Vref
4
+
E
VR2305
Vref Vref
IC3001
LC75396
-
+
45 46
(-6dB)
24
IC3701
To R ch From R ch
22
BASS
REAR CENTER BLASTER
TRIM : -10dB
E
IC2201
-
+ 11
19 14
+
HA12136AF
DOLBY NR
ZOOM BASS
SURROUND BLASTER
BASS
TREBLE
48 47 35
TAPE
DECK
FUNCTION
+
Vref
-
+