Circuit Description - Kenwood DV-5700 Service Manual

TEST MODE
This model has 3 kind of test modes; unit inspection, factory test mode, measurement. In this manual, items of repair, test
mode and inspection are available.
Setting
Turn power on with pressing "PAUSE" key. Display shows "TEST".
Turn power on with pressing "DISC1" key. Display shows "INSPECTION".
Cancellation of Setting
Turn power off.
Key vs Function
Keys which described in the following table work as it is.
TEST MODE
Key Mode
-
PLAY
SKIP-UP STOP
SKIP-UP PLAYBACK
SKIP-DOWN PLAYBACK
STOP -
DISC2 PLAYBACK
DISC3 -
DISC4 -
DISC5 -
DISC SKIP
STOP+DISC1 STOP
STOP+DISC2 STOP
STOP+DISC3 STOP
STOP+DISC4 STOP
DV-5700/DVF-R9050/R9050-S

CIRCUIT DESCRIPTION

Display
Playback time
All segments light î
Niagara mode î
Playback time î
Playback time
Playback time
Time
MUTE ON î MUTE
OFF
LPF 60k î LPF 110k
WIDE1 î WIDE2
NORMAL
SCART RGB î SCART
YC î SCART Through
OK or IC***
Operation
Disc Playback
Display shows cyclically by pressing key
Playback next chapter/track #/program #
Playback before chapter/track #/program #
Stop to operate and return to first step of this
test mode.
Mute works cyclically on or off.
Speaker protection works cyclically on or off.(Cut-
off freq. Change 60k or 110k)
WIDE mode changes cyclically WIDE1 or WIDE2.
Video signal of SCART changes cyclically
RGB(DVD) î Y/C(DVD) î Through(AV1
Self check mode(refer to Servo Error Code)
Rotary turns clockwise.
Rotary turns counter clockwise.
Tray opens
Tray closes
AV2)
5