Circuit Description - Kenwood DV-5050M Service Manual

DV-5050M/5900M/DVF-J6050/J6050-G
QQ
3 7 63 1515 0
1. Initializing
1-1 Initialization Method
• While holding down the "LIBRARY" key depressed,
plug the power cord into the socket.
The rotary tray turns.
The rotary tray stops at disc 1 position.
The microcomputer is initialized.
2. 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 inspec-
tion are available.
FCT Mode
Key
PLAY
TEXT DISPLAY
SKIP UP Playback
TE
L 13942296513
SKIP DOWN Playback
STOP
RANDOM Playback
USER FILE
TIME DISPLAY
DISC FLIP
PLUS1 PLAY
PLUS1 EJECT
PLUS2 PLAY
PLUS2 EJECT
PLUS3 PLAY
PLUS3 EJECT
OPEN/CLOSE
EJECT
INSPECTION Mode
Key
PLAY
SKIP UP Playback
SKIP DOWN Playback
STOP Playback
www
STOP
RANDOM Playback
.
DISC FLIP
MUSIC TYPE
USER FILE
4

CIRCUIT DESCRIPTION

POWER ON
ó í "INITIALIZE"
ó
ó
Mode Display
- Playback time
All segments light î
Niagara mode î
-
Playback time î
Playback time
Playback time
- Playback time
Mute ON îMute OFF
WIDE1îWIDE2
-
NORMAL
SCART RGB îSCART
-
YC SCART Through
- OK or *** ERROR
- S-CW
- S-CCW
- OPEN
- CLOSE
- 0°î180°
- 180°î0°
- UNLOAD
- LOAD
Mode Display
- Playback time
Playback time
Playback time
INSPECTION
Model/destination/
Stop region code/u-com
x ao
version
y
Jitter ***%
i
180°SW OK(0°î180°)
-
0°SW OK(180°î0°)
- CPPM KEY ID
- Playback time
8
2-1 Setting Method
2-1-1 FCT Mode (Factory Mode)
• While holding down the MUSIC TYPE key depressed,
plug the power cord into the socket.
2-1-2 Inspection Mode
• While holding down the TEXT DISPLAY key
depressed, plug the power cord into the socket.
2-2 Cancellation of the Test Mode
• Unplug the power cord from the power socket.
2-3 Key Operation During the Test Mode
• During the test mode, it can be operated in a special
manner that is different from an ordinary operation by
using the keys on the panel, specifically as shown in
the following table.
Disc playback
Display shows cyclically by pressing key.
Playback next chapter/track #/program #
Q Q
3 6 7 1 3
Playback before chapter/track #/program #
Stop to operate and return to first step of this test mode.
Mute works cyclically on or off.
WIDE mode changes cyclically WIDE1 or WIDE2.
Video signal of SCART changes cyclically
RGB(DVD)îY/C(DVD)îThrough(AV1 AV2)
Self check mode (Refer to Servo Error Code)
The stocker motor turns clockwise.
The stocker motor turns counterclockwise.
The door opens.
The door closes.
0°î180°operation of clamper motor.
180°î0°operation of clamper motor.
Unload operation of loading motor.
Load operation of loading motor.
Disc playback
Playback next chapter/track #/program #
Playback before chapter/track #/program #
Stop to operate and return to first step of this test mode.
Display shows cyclically by pressing key.
u163
Shows jitter value(binary value vs time deviation of PLL-clock)
.
Inverted inversion unit ASSY 0° to 180° or 180° to 0°.
13 figures. (DVD audio model only)
Indicated DISC No.400 in LCD remote controller.
2 9 9 4 2 8
Operation
1 5 0 5 8 2 9 9 4
Operation
m
co
9 9
2 8 9 9