TX-8522
SCHEMATIC DIAGRAM 2
DISPLAY SECTION
A
1
2
3
4
5
B
C
D
+12V
MON-B
GND
MON-A
IRIN
IROUT
MPUGND
+5VCPU
MPUGND
+5VDIS
REMIN
KEY0
KEY1
KEY2
KEY3
FLDCS
FLDSDO
FLDCLK
KEYINT0
KEYINT1
KEYINT2
KEYINT3
LEDSTBY
LEDPURE
FLDRST
MEMORY
DVD IN
VIDEO IN
NAVD-8883
INPUT
VIN1
VIDEO
SETTING
VIDEO OUT
MONITOR
OUT
A
H
L
H
B
H
L
VIN2
VIN3
NO USE
DVD
H
TUNING
DOWN
PQR
XM/
SIRIUS
CHARA-
CTOR
TO NAAF-8886(SCH.-1)
NADIS-8877
L
L
VIN4
STANDBY
YZ-
VWX
STU
PHONO
DIRECT
PURE
AUDIO
CD
DIMMER
MPP ONLY
NAETC-8882
TO NADG-8876(SCH.-3)
FROM NAAF-8886
P251
9
C256
223Z
C255
47/35
R260
100K
R259
330
R253
75
Q251
LA7956
9
8
7
6
5
4
3
2
1
VIDEO OUT
VCC
VIN4
VIN3
VIN2
GND
VIN1
B
A
Q254
RN1404
Q253
2SC2878
Q252
2SA1162-GR
D252
1SS352
D251
1SS352
C257
223Z
C254
470/16
R255
680K
C253
2.2/50
C258
103Z
R257
75
R256
100K
R251
75
C252
470/16
C251
2.2/50
R254
75
C259
103Z
R252
680K
R258
5.6K
L852
022K
C854
223Z
C853
223Z
R852
1.2K
R859
1.2K
R866
1.2K
R873
1.2K
R853
2.2K
R860
2.2K
R874
2.2K
S877
S869
S861
S853
R867
2.2K
JL716B
1
2
3
L251
022K
JL261
TO NAAF-8886 (SCH.-1)
C866
100/16
886
220
D851
MTZJ8.2B
870
223Z
C869
223Z
C868
223Z
C867
223Z
C865
33/50
+
R885
220
58
F11
59
F12
D853
SLI-343URC-TE7
P715B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
R891
2.2K
Q854
RN1441
R887
100
C871
102J
R888
1K
L857
470M
R854
3.9K
R861
3.9K
R875
3.9K
R889
12K
C873
100/16
+
U851
3
2
1
5
4
S854
S862
S878
S879
S883
S863
S855
S870
R892
3.9K
S884
D854
SIR-34ST3F
D852
SEL2E10C
R890
100
P503
PHONES
3
2
1
C876
104Z
C874
102J
C875
102J
L855
220M
L853
220M
L854
220M
P504
JL711A
3
2
1
U012
U018
U017