Denon AVR-1519 Service Manual page 27

Q Q
A
3 7 6 3 1 5 1 5 0
Input
CVBS/S
Check 5, M_+5V
+5V : CP514-2pin
NG
-5V : CP514-3pin
M_+5V : CN1002-9pin
OK
Check input of video decoder signal.
Input V : C1142
NG
Input Y : C1121
Input C : C1122
OK Conecting board and soldering.
Check output of driver(IC1015)
after video encoder.
OutputY : C1109 +side§
NG
Output C : C1113
Output Y: C1107 +side§
Output Cb : C1105 +side§
Output Cr : C1103+side§
T E OK
L 1 3 9 4 2 2 9 6 5 1 3
CVBS/S output
Check output of AMP Check soldering of output selector
Output V : IC1020-24pin NG
Output Y : IC1020-20pin
Output C : IC1020-22pin
OK
Check cable between main unit
and monitor or Check monitor.
Check input of input selector
and surrounding circuitry soldering.
NG
Input : IC1008
or CPU B'D flaw.
Unless specified, VIDEO UNIT part.
w w w
.
To troubleshooting 1.1
Power not turn on.
Check input of input selector
and Video AMP, surrounding
Check signal DET
NG circuitry soldering.
V : CN1001-3pin : H(+5V)
Input : IC1001,IC1005,IC1006
Y : FCN1001-4pin : H(+5V)
Video AMP : IC1157,IC1160,IC1162
or CPU B'D flaw.
OK
Check poor contacts of
(CN/CP1101)
Check output of driver(IC1015)
after video encoder.
Check input of Video Decoder(IC1018)/
OutputY : C1128 -side§
Encoder(IC1019) and surrounding
NG
Output C : C1133
circuitry soldering.
Output Y: C1126 -side§
or CPU B'D flaw.
Output Cb : C1125 -side§
Output Cr : C1124-side§
OK
Check soldering of IC1015 and
surrounding parts.
COMPONENT output
and Video AMP, surrounding
circuitry.
Output : IC1002,IC1007
Check input of AMP Check output of AMP
Input Y : IC1211 +side§ Output Y : IC1164-13pin
NG
Input Cb : C1209 +side§ Output Cb : IC1164-11pin
Input Cr : C1207 +side§ Output Cr : IC1164-9pin
OK
Check soldering of IC1164 and Check cable between main unit
surrounding parts. and monitor or Check monitor.
x a o
y
i
AVR-1709/1609/1519/1509/689/589, AVC-1509
http://www.xiaoyu163.com
8
OK
OK
Q Q
OK
3 7 6 3
CVBS/S
OK
OK
u 1 6 3
.
27
http://www.xiaoyu163.com
9 2 4 9 8
NG
NG NG
OK
NG NG
OK
1 5 1 5 0 8 9 2 4
NG
NG NG
OK
m
c o
2 9 9
9 8 2 9 9
COMPONENT
OK