Main Unit - Pioneer FX-MG8227ZT-91/UC Service Manual

5
LANL
TUNER
SELECTOR
MIXING AMP
1
2 2
IC401
FML
NJM2068MD
IC202
1
Q406
TC4052BF
CSL
4
AMB
CDL
5
SELECTOR
2
1
IC302
4
TC4052BF
5
Q405
FMB
FMSD 1
FMSD
DI/DO 32
SYSTEM
PDI
31
CONTROLLER
PDO
CE2
11
IC 601(1/2)
PCE2
CK
33
pck
PD5788A
CE1
34
PCE1
SL 93
SL
RDT 44
RDT
ST 2
ST
10
LOCL
LOCL
CN351
Q351
16
X601
CD 9V REGULATOR
10
RESET
VDCONT2
VDCNT2
Q809
13
CD9V BU
VDD
11
Q815
CD9V
2
1
Q907
Q908
Q905
Q906
5
6
UNBALANCE TO BALANCE CONVERTER
3
Q203
6
INH
sysmute@
IC203
6
Q202 NJM2068MD
9
B
SEL1b
Q201
10
A
SEL1a
UNBALANCE TO BALANCE CONVERTER
3
Q303
6
INH
sysmute IC303
6
NJM2068MD
Q302
9
B
SEL2b
Q301
10
A
SEL2a
FMB
45
SEL1b
46
SEL1a
48
SEL2b
49
SEL2a
53
sysmute
52
sysmute@
AMB
RESET
1 IC 602 2
RESET VDD
S-80835CNUA-B8U
12
42
RESET
AMPW
41
FMPW
15 53
sysmute
XIN
52
sysmute@
51
RSEMT
RSEMUTE
13 13
75
XOUT
bsens
73
asens
65
isens
94
ILL-
30
TX
29 RX
RX1
21
RX2
22
XOUT IPPW
56
LANMUTE
Q721
SYSTEM 57
ADIM
CONTROLLER
IC 601(2/2)
PD5788A ADIM
Q722
4
LAMP
43
SYSPWR
SWVDD
80 55
stby
SWVDD
28
BLIGHT
81
69
power
mtl
83
ENC1-
71
CSLOAD
82
ENC1+
85
ENC2-
84
ENC2+
cdej csej
20 74
CN804
19
17 23 21 22
21 22
17 23 19
CN902
ILLB
CD TAPE
EJECT EJECT
Q903
ILLB
ILLB
Q901
ILLB
3 4
1
CDILLG CDILLR ILLCONT
IC 901
Q902
LC75804W
KEY CONTROLLER
KEY
LCD DRIVER
MATRIX
KST2
LCDBL
LCD901
KDT1
B
6
BALANCE TO UNBALANCE CONVERTER
5
LANLP
IC201
7
6
LANLM
NJM2068MD
IC204
7 6 7
NJM2068MD
IC304
7 6 7
NJM2068MD
Q867
Q865
SWVDD
Q864 Q866
sysmute@
sysmute
RSEMT
AUDIO+B
ADIM
Q563(1/2)
ISENS
Q805
isens
Q564(1/2)
FMPW
BSENS
bsens Q806
Q563(2/2)
ASENS
Q807
asens
Q564(2/2)
AMPW
SYSPWR
AVC-LAN BUS DRIVER
1
TX
IC701
2
RX
HA12187FP
8
IPPW
MUTE
ILL-
Q825
ILL-
AUDIO +B REGULATOR
Q808
BU
AUDIO+B
SYSPWR
Q802
SW5V
VDD5V REGULATOR
ILLB REGULATOR
IC870
S-812C56AUA-C3K
3
VDD
BU
Q645
Q870
Q644
Q818
BU
Q819
Q820
20 18
14,15 9 10 11 12 13
20 18 14,15 9 10 11 12 13
L
LCDBL ILLB
CN902 CN904
ILL1
1 1
pwr
2 2
ENC1P
6 6
ENC1M
7 7
CN903 CN905
ILL2
1 1
2 2
ENC2P
6 6
ENC2M
7 7
4
4
KEYBOARD PCB
AUDIO CONTROL•TUNE
K
FX-MG8227ZT/UC
7
A

MAIN UNIT

Q204
Q205
Q304
CN472
Q305
Q863
Q860
SWVDD
SLD1
BU
Q862
RSR+
SWVDD
GND
SW1
Q861
SW2 RSL-
Q497
TX1
TX1
CN473
SGND
R
R TX
L TX
BU
L
mute
Q882
BU +B ACC
BU
ILL ILL-
AMP ANT
Q884
6
5
TX+ TX-
AVC-LAN MUTE
Q801
mute
R+ R-
SWVDD L+ L-
SLD GND
CN801
ANT+B
Q451
BU
AMB
Q452
FMB
Q453
Q811
Q813
Q812
BU
Q814
Q822
Q816
LEFT PCB
VR901
POWER•VOL
VR902
RIGHT PCB
7
8
A
RSR-
RSL+
rmut
B
ADIM
GND
ACC+B
BU+B
C
D
E
F
21
8