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DPX-MP2090 Schematic ( PDF Datasheet ) - Kenwood

Teilenummer DPX-MP2090
Beschreibung CD RECEIVER SERVICE MANUAL
Hersteller Kenwood
Logo Kenwood Logo 




Gesamt 42 Seiten
DPX-MP2090 Datasheet, Funktion
CD RECEIVER
DPX301
DPX-MP2090/MP2090S
SERVICE MANUAL
DPX301
(K type)
© 2005-12 PRINTED IN JAPAN
B53-0370-00 (N) 724
EXTERNAL MEDIA CONTROL
FM SCRL
VOL
AUD
SET UP
ATT
AUTO
AME
SCAN
MENU
RDM
REP
F.SEL
OFF
M.RDM
AM SW
C.S.
Panel assy
(A64-3785-12)
DPX-MP2090
DPX-MP2090S
(M type)
s
EXTERNAL MEDIA CONTROL
System EX
FM SCRL
VOL
AUD
SET UP
ATT
AUTO
AME
SCAN
MENU
RDM
REP
F.SEL
OFF
M.RDM
AM SW
Panel assy
(A64-3811-12) : DPX-MP2090
(A64-3812-12) : DPX-MP2090S
DPX-MP2090/MP2090S
Remote controller assy
(A70-2069-15)
SIZE AA BATTERY
(Not supplied)
DC cord
DPX-MP2090/MP2090S: (E30-6408-05)
DPX301: (E30-6428-05)
Screw set
(N99-1779-05)
Escutcheon assy
(B07-3046-04)
RC-517
Escutcheon
(B07-3172-12)
Escutcheon
(B07-3165-02)
Mounting hardware assy
(J22-0429-03)
Lever
Adhesive double-
(D10-4589-04) x2 coated tape
(H30-0595-04)
DPX301
This product uses Lead Free solder.






DPX-MP2090 Datasheet, Funktion
DPX301
DPX-MP2090/MP2090S
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name
Module I/O
Application
Truth
value table
Processing Operation Description
29 VFD_DATA
to PANEL I/O VFD data input/output terminal
Data input/output
30 VFD_INT
to PANEL I VFDINT input terminal
INT input terminal
31 VFD_CLK
to PANEL O VFD clock output terminal
Normal: 125kHz
Low consumption mode: 62.5kHz
H: Clear RESET, L: RESET
32 VFD_RST
to PANEL O VFD driver reset terminal
L: Momentary power down, when panel
detached and 11 minutes after ACC_OFF
33 SDA/CD_SDA CD
CD mechanism I2C data input/output
I/O
terminal
E2PROM I2C data input/output
33 SDA/ROMCOR_SDA EXTRA I/O
terminal for ROM correction
34 SCL/CD_SCL CD
I/O CD mechanism I2C clock output terminal
E2PROM I2C clock output terminal for
34 SCL/ROMCOR_SCL EXTRA I/O
ROM correction
35
PON_PANEL
Power supply I/O Panel 5V control terminal (FLIP model)
L: ON, Hi-Z: Momentary power down, when
panel detached and 11 minutes after ACC_OFF
36 DSI
DSI/EJECT_LED (FLIP only)
EXTRA I/O
control terminal
Hi-z: OFF, Pulse drive: When PANEL detached
H: ILL_ON and OPEN (when Power_ON)
36 NC
O Not used (2DIN)
Output L fixed
37,38 NC
O Not used
Output L fixed
39 EPM
µCOM I FLASH EPM input terminal
40 PANEL_DET EXTRA I Panel detection (FLIP only)
L: PANEL detached, H: PANEL attached
40 NC
O Not used (2DIN)
Output L fixed
41 NC
O Not used
Output L fixed
42 ROMCOR_DET EXTRA I E2PROM writing-in request
H: Writing-in
43 NC
O Not used (no USB model)
Output L fixed
43 PON_FL
Power supply O FL+B control (USB model)
H: FL+B ON, L: FL+B OFF
44 VFD_CS
to PANEL O VFD chip select control terminal
45 ROTARY_CW to PANEL I VOL key input
Detect pulse width
46 ROTARY_CCW to PANEL I VOL key input
Detect pulse width
47 CD_DISC12_SW CD
I CD disc detection terminal (12cm)
48 CD_LOS_SW CD
I CD loading detection terminal
49 CD_MUTE_R CD
I CD MUTE (Rch) request terminal
H: Normal, L: Rch mute request (valid only
when in CD mode)
50
CD_MUTE_L
CD
I CD MUTE (Lch) request terminal
H: Normal, L: Lch mute request (valid only
when in CD mode)
51 CD_MRST
CD O CD mechanism µ-com RST terminal
H: Normal, L: RESET
52 CD_MSTOP CD
O CD mechanism µ-com stop terminal
H: Mechanism µ-com in operation
L: Mechanism µ-com stop
6

6 Page









DPX-MP2090 pdf, datenblatt
DPX301
DPX-MP2090/MP2090S
TEST MODE
How to enter the test mode
Press and hold the [1] and [3] keys and reset.
(While ”– – – –“ is being displayed, power can be ON for 30
minutes.)
How to clear the test mode
Reset, momentary power down, Acc OFF, Power OFF.
Test mode default condition
• Source is STANDBY.
• Display lights are all turned on.
• The volume is at -10dB (The display is 30).
• LOUD is OFF.
• CRSC is off regardless of the availability of switching func-
tion.
• SYSTEM Q is NATURAL (=FLAT).
• BEEP is always activated by briefly pressing a button.
• AUX is ON.
• SWPRE is SUB WOOFER (2PREOUT model).
Special display in tuner mode
Error is found in front-end, etc. if indications below are dis-
played while in tuner mode.
“TNE2P_NG”: Front-end E2PROM values are still default
(not determined).
“TNCON_NG”: Cannot communicate with the front-end.
K3I forced switching
Every time when [6] key is pressed in tuner FM mode,
switched in the following order: AUTO Forced WIDE
Forced MIDDLE Forced NARROW AUTO. Default
status is AUTO, and displayed as shown below.
AUTO: FM1_98.1A
Forced WIDE: FM1_98.1W
Forced MIDDLE: FM1_98.1M
Forced NARROW: FM1_98.1N
CD receiver test mode specification
• Display mode default setting shall be P-TIME.
• Jumps to the following tracks by pressing the [ ] key.
No. 9 No. 15 No. 10 No. 11 No. 12 No. 13
No. 22 No. 14 No. 9 (recursive)
Note that when playing an MP3/WMA/AAC disc with 8 files
or less, the disc is played from the 1st track in the normal
order.
• Pressing the [ ] key goes back by 1 track from the track
being played.
• When playing an MP3/WMA/AAC disc, display the file for-
mat before starting to play each file. (“MP3”, “WMA”, “AAC”)
• When CD is the source, press the [1] key briefly to jump to
No. 28.
• When CD is the source, press the [2] key briefly to jump to
No. 14.
• When CD is the source, press the [3] key briefly to display
CD mechanism model name and the version. Press the [3]
key briefly again to go back to the normal screen. (time
code display)
6680:0123
Model name
Version
• When CD is the source, press the [6] key to jump to No. 15.
At this time, the volume value is set to 25 (2V PRE).
AUDIO adjust mode
• Press [AUD] key briefly to enter the audio adjustment mode.
• Press the remote control [] key and [AUD] key to go into
the audio adjustment mode.
• Both AUDIO FUNCTION MODE and SETUP MODE ad-
justment items are included.
• By pressing [AUD] or [FM] key briefly, switch the item to be
adjusted in the following order. (only in forward rotation)
The default item shall be Fader, and then the item is for-
warded in the following order: Balance Bass Level
Middle Level Treble Level HPF Front HPF Rear
LPF Sub Woofer (thereafter arbitrary).
• Continuous forwarding by remote control is prohibited.
• Fader is adjusted by the VOL knob and [ ] / [ ] keys in
3 steps: R15 0 F15. (Default value: 0)
• Balance is adjusted by the VOL knob and [ ] / [ ] keys
in 3 steps: L15 0 R15. (Default value: 0)
• Bass/Middle/Treble Level are adjusted by the VOL knob and
[ ] / [ ] keys in 3 steps: -8 0 +8. (Default value: 0)
• HPF Front / Rear is adjusted by the VOL knob and [ ] /
[ ] keys in 2 steps: Through 180Hz (or 220Hz). (De-
fault value: Through)
• LPF Sub Woofer is adjusted by the VOL knob and [ ] /
[ ] keys in 2 steps: 60Hz (or 50Hz) Through. (Default
value: Through)
12

12 Page





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