Pioneer DEQ-P9, Service Manual

Page: 34 / 48

34
DEQ-P9
1
20
21
40
41
60
61
80
* PD5653A
PML011A
Digital-control
Reference-voltage-
generator
SP
KR1L
GND VDD
Zero-cross logic
(
6c
h independent c
o
ntr
o
l
)
bypass line
Inp ut-source-selector
(4-inputs independent-control)
d
iffer
e
n
tial mono
in
pu
t ci
rcui
t
Input -gain-adjuster
(4-inputs independent-control)
Output-selector
(4ch independent control)
lev
e
l-shift
Q
u
asi differ
e
n
ti
al
st
er
eo inp
ut
c
ir
cuit
en
v
e
lo
p
e
-d
et
ect
o
r
SP
KR1R
SP
KR2L
SP
KR2R
SP
KR3L
SP
KR3R
CODEC- IF
DC: 4.15 V % 1.65 V
AC: 2Vr ms% 0.8Vr ms
*b
Linedriv er-amplifier
d
iffer
e
n
tial mono
in
pu
t ci
rcui
t
Q
u
asi differ
e
n
ti
al
st
er
eo inp
ut
c
ir
cuit
Mix
Bypass-
Selector
Bypass
-gain
*b
Volume
(6ch independent control)
Zero-cross detect
(6ch independent control)
Level-selector
lev
e
l-shift
*b
1
2
3
4
5
6
7
8
9
10
11
22 21 20 19 18 17 16 15 14 13 12
33
32
31
30
29
28
27
26
25
24
23
34 35 36 37 38 39 40 41 42 43 44
V33
CassL
CassR
CDL +
CD-
CDR+
Phone+
Phone-
Navi-
Navi+
A
M
-l
ev
el
FM
-l
ev
el
FM
Tuner-
AM
MP
X-RDS
AM-IF
GN
D
VCC
Out1L Out1R Out2L Out2R ADCVDDREF In
1L
In
1R
In
2L
In
2R
In
3L
In
3R
OUTPUTREF
SPKR3R
SPKR3L
SPKR2R
SPKR2L
SPKR1R
SDA
PG
ND
SEL
SCL
SIGGN D
SPKR1L
MUTE
VDD