Denon DN-F650R Service Manual

16
Check CODEC output.
• [IC405]38.39.40.41pin
b
When setting Fs Ref = +24dB, 1kHz 0dBFS
playback and 1Vrms.
Check output from MAIN UNIT to AUDIO UNIT.
b
Bal : [TPF207,TPF208] 2Vrms
b
Unbal : [TPF210,TPF211] 2Vrms
b
HP : [TPF203,TPF205] 0.8Vrms
Check cancellation of MUTE.
b

Cancellation of MUTE : [TPF603] H→L
Check parts (surrounding) and soldering.
• [IC405]
and other circuits.
Check parts (surrounding) and soldering.
MAIN UNIT
• [IC204]
• [IC205]
AUDIO UNIT
• [IC101]
• [IC102]
• [IC801]
• [VR801]
and other circuits.
Check parts (surrounding) and soldering.
MAIN UNIT
• [IC505] 1pin
• [IC401,IC403]
• [TR402,TR403,TR404]
AUDIO UNIT
• Each system MUTE transistor
• [RL101,RL102]
and other circuits.
N.G.
N.G.
N.G.
3. AUDIO UNIT(
Analog
)
3.1. Analog audio doesn't output
(1) MAIN UNIT
(2) AUDIO UNIT
END
O.K.
O.K.
O.K.

Denon DN-F650R Specifications

General

Brand	Denon
Model	DN-F650R
Category	Recording Equipment
Language	English