Denon AVR-1611 Service Manual page 35

C
Input
CVBS/S/COMPONENT
Check input signal of VIDEO DECODER
HDMI B'D
V : L2718
S-Y : L2718
S-C : L2719
COMPONENT-Y : L2717
COMPONENT-Cb : L2716
COMPONENT-Cr : L2715
OK
HDMI B'D fl aw
D
Input
COMPONENT
Check of power supply voltage
FRONT CONNECTOR B'D
V+5V : CP13B-4pin
V-5V : CP13B-1pin
OK
Check on set value of each IC
HDMI B'D
L2701 : H(3.3V)
L2702 : H(3.3V)
OK
Extend HDMI B'D using a jig.
Check of power supply voltage
V+5V : IC811-21pin
V-5V : IC811-16pin
OK
Check output of video amplifi er.
COMP-Y : IC811-24pin
COMP-CB : IC811-22pin
COMP-CR : IC811-20pin
OK
Check FRONT CONNECTOR B'D
fl aw, and connection of FRONT
CONNECTOR B'D or HDMI B'D and
VIDEO B'D.
Check signal DET
NG
V/S_L2704
COMPONENT_L2703 : H(+3.3V)
OK
Check FRONT CONNECTOR B'D
fl aw, and connection of FRONT
CONNECTOR B'D or HDMI B'D and
VIDEO B'D.
NG
REGULATOR B'D fl aw
NG
HDMI B'D fl aw
NG
Check connection of FRONT
CONNECTOR B'D and AV B'D
NG Check power supply voltage of
IC811, and surrounding circuitry
soldering.
b Unless specifi ed, AV B'D part.
35
Input CVBS
NG
: H(+3.3V) Input S
Input COPONENT : to D
: to A
: to B