Part-8 Display Section - Onkyo TX-RZ820 Service Manual

1

PART-8 DISPLAY SECTION -1

BADIS-1990-2
D
GND_DG
FLAC1
VH
FLAC2
GND_DG
P7990:
SOCKET AS
NSAS-5P2111
(SN:2009991300UL)
Q7901
KTA1661-Y
C
R7908 Q7902
R7907
10k 10k KRC107S
or DTC114YCAMGT116
(2219050R2)
B
A
1
2
Q7905
016MT096GINYK
C7915
223K 50V
R7919
220
(1/4W)
R7910 10 R7914 10
Q7903/7904
or KTC3875-GR
L7900 2SC2712-GR
Q7903
LBC2518T2R2M
2SC2712-GR
R7913
100
KEY0_2
S7601-7632
NPS-111-S681 or NPS-111-S677(25035714T)
KEY0_3
R7602
330
KEY1
NM NM NM NM NM
R7611A R7612A R7613A R7614A R7615A
270 330 470 560 820
2
3
Q7905A
(FL)
C7916
223K
R7921 220
50V
R7920 220
R7922 3.3k
C7914
R7923 3.3k
104Z 25V
Q7904
R7917
100
FLPON
NM NM NM NM
R7606A R7607A R7608A R7609A xKEYINT0
1.2k 2.2k 3.9k 12k
NM NM NM NM
R7616A R7617A R7618A R7619A xKEYINT1
1.2k 3.9k 12k
2.2k
7 6 5 4 3 2 1 7 6 5 4 3 2 1
CHD-1.5-7
P7593B
P7590A
NPLG-7P354
TO BASW-1992-2(PART-8)
TO BASW-1982-2(PART-8)
Selector DOOR
3
4 5
Schematic Diagram
L7901
+3.3VDIS
LBC2518T2R2M
+15VA
R7780
100
3
2
R7781
+3.3VDIS
1
2.2k
+5VDIS
MICMUT
MICOUT
R7503
R7505 R7507
180 180 180
R7504 R7506 R7508
180 180 180
C7857
104Z
25V
8 5
Q7850
+ +
NJM4580CG 7 +V +V
OUT OUT
6
- -
KRC107S
Q7853
R7855
or DTC123JCAMGT116
33k
(2219050R2)
C7856
R7856 C7855
Q7852
KRA102S 470 330J 50V
10u 35V
or DTA114ECAMGT116
(2218980R2)
3
+ +
1
OUT OUT
Q7850 -V -V 2
- -
NJM4580CG
4
P7590A:
or NSCT-7P878(25051091)
4 5
6
TONEB
TONEA
LMDB
LMDA
KEY3
LEDPURE
KEY2
FLDCLK
REMIN
FLDSDO
GNDDG
FLDCS
J7500 +3.3VST
FLDRST
+5VDIS
MICMUT
VOLA
MICDET
VOLB
MICOUT
-15VA
J7802 NM AUXR
+15VA
J7803 NM GNDAUX
LEDTHRU
J7804 NM AUXL
FLPON
KEYINT1
KEYINT0
KEY1
KEY0
Q7750
KRC105S
or DTC123JCAMGT116
(2219040R2)
+5VDIS
R7741
LMDB
R7775 TONEB
10k
10k LEDPURE
R7774 TONEA
10k KEY3
R7740
LMDA
KEY3_1
10k
KEY0_1
KEY0
GND_DG
P7591A:
or NSCT-11P882(25051095)
+3.3VDIS
R7770 10k
VOLA
R7771 10k VOLB
GND_DG
P7592A:
or NSCT-3P874(25051087)
Q7855
KRC102S
or DTC114ECAMGT116
(2219010R2)
MICDET
GNDA
C7850
R7850
MICIN
10u 50V 220
P7851A:
or NSCT-3P874(25051087)
P7851: JL3 150 B(6-6)
(SN:3J150606B15)
TX-RZ820
6
D
C
B
A