JVC AV-48WP34/AHA Service Manual page 82

CONVRGENCE PWB CIRCUIT DIAGRAM
CONVERGENCE PWB
CN012
QGB2510J1-09
GND
NC
NC
NC
NC
NC
NC
NC
NC
GND
odd/even
BV
BH
fH
GV
GH
PAL/NTSC
RV
RH
MUTE
K801 *9
K802
*9
K803
*9
K804
*9
K805
*9
K806
*9
CN013
X
R808
2.7k
MD001
QAL0382-1
R807
2.7k
CN011
QGB2510J1-15
K809 *9
-5V
GND
K810 *9
5V
K811 *9
5V(SRAM)
H_BLK
K807 *9
NC
V_BLK
K808 *9
(REMOCON) IR_IN
ADJ
BUSY
DIG.R
DIG.G
DIG.B
STAT
5V(Digital)
R826
R815 Y804
47K X 47k
R814
Q811
33K
*1
C815
0.001
R827
10k
CN00X
FRONT CONTROL PWB
No.51914
SSB-5051A-M2
BV
R801 C838
0.1
2.7k C822 MY
150p
R802
2.7k
R836
47k
NDC31HJ-151X
Y803
BW
R809
470
1/2W
Q802
Q803
*4
*4
R810
1.2k C843
0.01
R812
1k R813
1k
-5VREG
Q801
2SC3852A
C806
D842
C804 0.1
*6
C803 0.1
MY
C805
MY
100/16
100/16
R867
R866
X
X
R868
D839 *7
X
Q810
R864
X
100
C811
Q809 R865
X MY
X *
C812
R817
X
D828 X
MA111-X
R818
100
S801
QSW0619-003Z
AV-48WP30
AV-48WP30
IC805 STK392-110
BH GH
R804 R838
2.7k
47k R839
R835
47k
47k
C824
C821 150p R803
150p NDC31HJ-151X 2.7k
NDC31HJ-151X
C825
150p
NDC31HJ-151X
R823
X
IC802
X
R822
X
R824
X
R830 R829
R828
100 100
100
Q806
Q808 Q807
*1
*1 *1
R833 R832 R831
1k 1k 1k
OSD_Buffer
R892 X
R893
0
CN00Y
CONVERGENCE OSC PWB
2-43 2-44
IC804 STK392-110
GV RV RH
NDC31HJ-151X
C818
C819
0.01
0.01
NDC31HJ-151X
C823
150p R837
47k
C820
R834
150p
47k NDC31HJ-151X
NDC31HJ-151X
R806
R805
2.7k 2.7k
R882 D871
X X
D872
X
R884
X
C871
X
Q871
X
R883
X
D804
1SR153-400-T2
C827
470/50
D805
1SR153-400-T2
CP801
CP
BW
C828
IC801
470/50
BA17805T
5VREG
D841 C808
*6 0.1
C807
MY
100/16
Y802
BW
IC803
BA17805T
D801
RK14-T3
D843 5VREG
C801 C813
*6
C814
C802
100/16
0.1
100/16
MY
No.51914
D816
C829 150p R843
*8
220
2WOMR
D817
R840
R842
*8
3.3k
2.2
1WMFR CYH+
CYH-
NDC31HJ-151X
CYV+
D818
150p
C830 R847 CYV-
*8
150
2WOMR CN0RI
D819
R844 QGA2501C5-04Z
R846 *8
3.3k
1.5
1WMFR
D824
R859
C833 150p *8
220
2WOMR
D825
R856
R858
*8
3.3k
3.3
1WMFR CYH+
CYH-
CYV+
NDC31HJ-151X D826
R863 CYV-
C834 150p *8
150
CN0GI
2WOMR
QGA2501C5-04Z
R860 R862
D827
3.3k 1.8
*8
1WMFR
NDC31HJ-151X
D820
C831 150p R851
*8
220
2WOMR
D821
R848 R850
*8
3.3k 2.2
1WMFR
CYH+
CYH-
NDC31HJ-151X
CYV+
C832 150p
D822
R855 CYV-
*8
150
2WOMR CN0BI
QGA2501C5-04Z
D823
R852 R854
*8
3.3k 1.5
1WMFR
P
28V
28V
GND
-28V
-28V
GND
GND
R811
C809 -7.5V (-8V)
X
0.1
GND
3WOMR
MY
14V (8V)
CN00P
C810
Y801 QGA2501C5-04Z
100/16
X
L801
22
QQL26AK-220Z
0.1
MY