Block Diagram (Gm-8706Zt/Uc); Block Diagram And Schematic Diagram - Pioneer RX300 Service Manual

1
GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM (GM-8706ZT/UC)

A
CN101
L-
L+
CDL+
CDL-
MUTE
EMUT
TMUT
TX- TX+
B
TMUTE
5V REGULATOR
Q621
B.U
C
RESET
2 IC603
5VD
S-80740AND4I
6
TX+
IC602
TX- 5
CA0008AM
D
8
1
2
<BEEP>
B
BEEP
Q141
2
IC101 PMUTE
IC104
3
NJM2068MD
1
PMJ002A
42
Q805
Q143
VDT
VCK
VST
Q811
<MUTE1>
<RL>
<FL>
AUDIO
+B
MSENSE
8V REGULATOR
Q806
IC801
<MSEN>
1 NJM2930F08K
2
Q801
B.U
Q802
5VD
<MUTE2>
<FL>
IC501
<RL>
2
NJM2068MD
1
BEEP
B
VDT/VCK/VST
1
22
MUTE1
24
MSENS
16
SYSPW
23
MUTE2
RESET
25
reset
5
AVCPW
8
1
4
AVCOUT
2
3
AVCIN
2
3
FIX EQ
CUT
Q221,225
BOOST
Q223,227
2
IC201
1 IC203
1
3
30
NJM2068MD
3 NJM2068MD
29
3
IC202 IC204
1
1
2
NJM2068MD
NJM2068MD 3
FIX EQ
Q820
BOOST
Q323,327
CUT
Q321,325
Q812 Q808
3
Q807
<STBYWF>
STBY
7 IC502
1
5 NJM2068MD
5
7 3
Q501
WOOFER
MUTE
13
AMPLIFIER
CONTROL
IC601
PD5607B
3
4
A
MAIN UNIT
L801
B.U
RL+
CN102
POWER AMP
5 FL+
FLIN
12
3 FL-
IC401
TDA7384
17
RLIN
19
15
mute stby
RL-
22 4
Q810
WF-
WF+
Q809
<MUTE2>
Q803
AUDIO
+B
MUTE2
Q804
<MUTE2>
WOOFER
POWER AMP
2
16
IC503
7
15
TA8221AH1
STBY
4
Q646
BSENSE
15
BSEN
Q641
ASNSE
14
ASEN
28
XIN
X601
6.290MHz
29
XOUT
4
+B
ACC
RL+
B.U