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PORTABLE CD PLAYER
DPC-MP727/MP922
QQ
3 7 63 1515 0
SERVICE MANUAL
Knob
(K29-7956-04)
Knob
(K29-7955-03)
Knob
(K29-7954-14)
Variable resistor
(R31-0056-05)
TE
L 13942296513
Standards
Signal reading format .......................................................................................Non-contact signal reading (semi-conductor laser)
Characteristics
Frequency characteristics ..............................................................................................................................20Hz to 20kHz, ±3dB
Headphone output (16 Ω, 1kHz) .................................................................................................................................9mW + 9mW
LINE OUT output level/impedance .......................................................................................................................MAX 0.85V/10kΩ
Power supply
External DC supply ...................................................................................................................................................DC 4.5 to 5.1V
Size AA alkaline batteries available on the open market (LR6/AA x 2 or 4) ..........................................................................DC 3V
Rechargeable batteries (NB-150 x 2) .................................................................................................................................DC 2.4V
Maximum external dimensions (width x height x depth) ........................................................................129mm x 32mm x 138mm
(5-1/16˝x 1-1/4˝ x 5-7/16˝)
Weight (net) ..................................................................................................................................................................260g (0.6lb)
Battery life expectancy (during continual repeated playback)
Battery
Size AA alkaline batteries available
on the open market (LR6/AA x 2)
Size AA alkaline batteries available
on the open market (LR6/AA x 4)
Rechargeable battery (NB-150 x 2)
The standard accessories vary depending on the model of the unit.
The accessories which are not standard are optionally available. For details, please consult your dealer.
Note:
www
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without
notice.
.
In compliance with Federal Regulations, following are
repro-duction of labels on, or inside the porduct relating to
laser product safety.
SPECIFICATIONS
When D.A.S.C. is off
Approximately
9 hours
Approximately
18 hours
Approximately 7 hours
x
ao
u163
y
i
2 9
8
Q Q
3
6 7
1 3
1 5
When D.A.S.C. is on
Approximately
10 hours
Approximately
22 hours
Approximately 8 hours
co
* Refer to parts list on page 15.
.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.
9 4
2 8
© 2001-3/B51-5706-00 (K/K) 3360
Front glass
(B10-3675-03)
Knob
(K29-7957-04)
Cover *
(F07-)
DC jack
(E03-0342-05)
Miniature phone jack
(E11-0933-05)
Miniature phone jack *
(E11-0932-05)
0 5
8
2 9
9 4
2 8
During MP3/WMA file playback
Approximately
10 hours
Approximately
22 hours
Approximately 8 hours
m
9 9
9 9
70%
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Summary of Contents for Kenwood DPC-MP727
-
Page 1: Specifications
The standard accessories vary depending on the model of the unit. The accessories which are not standard are optionally available. For details, please consult your dealer. Note: KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. u163 * Refer to parts list on page 15. -
Page 2: Table Of Contents
DPC-MP727/MP922 3 7 63 1515 0 CONTENTS / ACCESSORIES / CAUTIONS Contents SPECIFICATIONS ..........Cover PC BOARD .............. 8 CONTENTS / ACCESSORIES / CAUTIONS... 2 SCHEMATIC DIAGRAM ........10 CIRCUIT DESCRIPTION..........3 EXPLODED VIEW ..........14 TEST MODE .............6 PARTS LIST ............15 ADJUSTMENT............7... -
Page 3: Circuit Description
DPC-MP727/MP922 CIRCUIT DESCRIPTION 3 7 63 1515 0 1. Port Description of Microprocessor ACTIVE Port No. Port Name Function DSP (IC3) reset output. Unused. DSP (IC3) power down control. Unused. 5~12 P50~P57 Unused. 13~16 P20~P23 Unused. +3.0v power supply. Unused. - Page 4 DPC-MP727/MP922 CIRCUIT DESCRIPTION 3 7 63 1515 0 ACTIVE Port No. Port Name Function 67~69 P70~P72 Unused. RF 3Tcompensation. OFTR Changeover the off track. Unused. PUP1 Pull up port. PUP2 Pull up port. Pull up port. Sub code block clock signal input.
- Page 5 DPC-MP727/MP922 CIRCUIT DESCRIPTION 3 7 63 1515 0 ACTIVE Port No. Port Name Function NRFDET RF detection signal input. Detected Drop out signal input. Drop Out LDON Unused. RF signal input. IREF Reference current input. ADPVCC AD reference voltage input.
-
Page 6: Test Mode
DPC-MP727/MP922 3 7 63 1515 0 TEST MODE 1. Test Mode 1-1 Setting Method of the Test Mode The test mode is entered when the AC adaptor is plugged in to DC IN plug while shorting the both test lands using the jumper and so on. -
Page 7: Adjustment
DPC-MP727/MP922 3 7 63 1515 0 ADJUSTMENT Adjustment of CD player INPUT OUTPUT PLAYER ALIGNMEN ITEM ALIGNMENT FOR FIG. SETTING SETTING SETTING T POINT Connect a DC Plug in an AC voltmeter between +3.0V ± 0.05V +3.0V ADJ. adaptor to DC in PLAYBACK Fig.1... -
Page 8: Pc Board
PC BOARD (Component side view) PC BOARD (Foil side view) 3 7 6 3 1 5 1 5 0 X32-3890-11 (J70-1501-12) X32-3890-11 (J70-1501-12) C148 C148 75 R17 R204 R204 1 3 9 4 2 2 9 6 5 1 3 R186 R186 C139 R129 R129 C139... - Page 9 (X32-3890-11) CD MECHA (D40-1735-05) 3 7 6 3 1 5 1 5 0 PICKUP CN581 R209 3.3K 3.0V R210 3.3K PD2(B+D) 16.93MHz CMOS 1.5V LOGIC LIPPLE PD IC IC22 2.9V R62 100K FILTER CONT. 3.0V PD1(A+C) 3.0V R67 47K 2.3V 2.7V EXT2 1.8V...
- Page 10 PAUSE DC/DC DC/DC R183 R185 R184 R8 8.2K TC74VHC74FT CONVERTER 3.0V CONVERTER 220K w w w (DSP 1.6V) ADJ. (SYSTEM) R186 IC20 u 1 6 3 R133 DASC MODE 8 7 6 5 DPC-MP992/MP727 IC1 : ML63187-B13WA +1.6V DPC-MP727/MP922 Y22-8540-10...
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Page 11: Exploded View
DPC-MP727/MP922 3 7 63 1515 0 EXPLODED VIEW M2x8 : N09-2866-05 MODE D.A.S.C. : N09-2878-05 M1.7x4 : N09-2893-05 M1.7x4 : N09-2894-15 φ1.7x5 : N09-5329-05 L 13942296513 (X32-3890) DC IN PHONES VOLUME REMOTE u163 DPC-MP727 Parts with exploded view numbers larger than 700 are not supplied. - Page 12 Ref. No Parts No. Description ress Parts nation marks ress Parts nation marks ✽ 2B,3B J02-1515-05 INSULATOR DPC-MP727 : 7/DPC-MP922 : 9 J21-5920-04 MOUNTING HARDWARE ✽ A02-2998-01 PLASTIC CABINET ✽ K29-7954-14 KNOB ✽ A09-1217-03 BATTERY COVER ✽ K29-7955-03 KNOB ✽...
- Page 13 3 7 6 3 1 5 1 5 0 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No.
- Page 14 3 7 6 3 1 5 1 5 0 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No.
- Page 15 3 7 6 3 1 5 1 5 0 ✽ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Desti- Add- Ref.