Denon AVR-1620 User Manual

26
AVR-1910/1620/1610/790/590


OK
※
D
+5V：
CN1018 3pin
Check connector base
soldering of CNT 1 B'D and
incomplete connection of B'D.
To troubleshooting HDMI/DVI.
Unless specified, HDMI B'D part.
OK
Input Cb：
Input Cr：
CN1102 7pin
CN1102 9pin
Input
CVBS/S/OMPONENT
OK
HDMI B'D
Check input of video decoder signal.
To troubleshooting 1.1 Power not
turn on.
Check output of CVBS VIDEO buffer
(IC1900A) of VIDEO B'D and
COMPONENT input selector (IC1907
24,22,20pin).
NG NG
To A or B
Input V：
Input Y：
CN1102 3pin
CN1102 5pin
+1.8V：
L3 and L4
OK
CN1018 4pin
-5V：
CN1018 1pin
4094_PWR(+5V)：
NG
To troubleshooting 1.1
Power not turn on.
OK
NG
Check of power supply voltage .
+3.3V：
Emitter side of Q24 and L2
Check surrounding circuitry
soldering of IC19, IC29 and IC35.
Check of power supply voltage
(VIDEO B'D).

Denon AVR-1620 Specifications

General

Brand	Denon
Model	AVR-1620
Category	Receiver
Language	English