KENWOOD DPC-X612 Service Manual

Cover page of KENWOOD DPC-X612 Service Manual

Service Manual for KENWOOD DPC-X612, downloadable as a PDF file.

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70%
PORTABLE CD PLAYER
DPC-X311/X517/X612
SERVICE MANUAL
© 2000-7/B51-5651-00 (K/K) 3322
Knob(FF)
(K27-2444-08)
Knob(REW)
(K27-2443-08)
Stereo jack
(E11-0354-08)
Top cabinet ass'y *
(A02-)
Battery cover
(A09-1194-08)
Knob(HOLD)
(K27-2439-08)
Knob(DASC)
(K27-2446-08)
Cover R *
(A21-)
Knob(PLAY)
(K27-2441-08)
Door *
(A52-)
Stereo jack
(E11-0372-08)
Knob(REPEAT)
(K27-2440-08)
DC jack
(E03-0356-08)
Knob(OPEN) *
(K27-)
Knob(STOP)
(K27-2442-08)
Ring L *
(A21-)
Bottom cabinet *
(A02-)
*Refer to parts list on page 14 .
SPECIFICATIONS
In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.
KENWOOD-Corp. 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.
Format
System..................................................................................................................................................................Compact disc digital audio system
Laser ..........................................................................................................................................................................................Semiconductor laser
Audio
Frequency response ..............................................................................................................................................................20 Hz to 20 kHz, ±3 dB
PHONES outpuyt level (16
W, 1 kHz ) ...............................................................................................................................................9 mW + 9 mW
Line output/impedance .............................................................................................................................................Bass Boost ON : 0.3 Vrms/1 k
Bass Boost OFF: 0.6 Vrms/1 k
Power supply
External DC supply ............................................................................................................................................................................4.5 V to 6 V DC
Rechargeable batteries (NB-130) x 2 or 4....................................................................................................................................................DC 2.4 V
Commercially-available alkaline batteries (LR6/AA) x 2 or 4...........................................................................................................................DC 3 V
Battery life (continuous repeat playback)
(Figures inside parentheses show the performance when the D.A.S.C. is ON.)
Commercially-available alkaline batteries (LR6/AA) x 2 .......................................................................................................Approx. 12 ( 9.5 ) Hours
Commercially-available alkaline batteries (LR6/AA) x 4 ........................................................................................................Approx. 27 ( 23 ) Hours
Rechargeable batteries (NB-130) x 2 ..................................................................................................................................Approx. 7.5 ( 6.5 ) Hours
Alkaline batteries (LR6/AA) x 2 and rechargeable batteries (NB-130) x 2.............................................................................Approx. 20 ( 16 ) Hours
Dimensions (W x H x D) .....................................................................................................................................................150 mm x 28 mm x 137 mm
( 5-15/16 " x 1-1/8 " x 5-7/16 ")
Weight (net) .............................................................................................................................................................................................. 240 g ( 8.5 oz)
1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).
Notes
background image
70%
PORTABLE CD PLAYER
DPC-X311/X517/X612
SERVICE MANUAL
© 2000-7/B51-5651-00 (K/K) 3322
Knob(FF)
(K27-2444-08)
Knob(REW)
(K27-2443-08)
Stereo jack
(E11-0354-08)
Top cabinet ass'y *
(A02-)
Battery cover
(A09-1194-08)
Knob(HOLD)
(K27-2439-08)
Knob(DASC)
(K27-2446-08)
Cover R *
(A21-)
Knob(PLAY)
(K27-2441-08)
Door *
(A52-)
Stereo jack
(E11-0372-08)
Knob(REPEAT)
(K27-2440-08)
DC jack
(E03-0356-08)
Knob(OPEN) *
(K27-)
Knob(STOP)
(K27-2442-08)
Ring L *
(A21-)
Bottom cabinet *
(A02-)
*Refer to parts list on page 14 .
SPECIFICATIONS
In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.
KENWOOD-Corp. 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.
Format
System..................................................................................................................................................................Compact disc digital audio system
Laser ..........................................................................................................................................................................................Semiconductor laser
Audio
Frequency response ..............................................................................................................................................................20 Hz to 20 kHz, ±3 dB
PHONES outpuyt level (16
W, 1 kHz ) ...............................................................................................................................................9 mW + 9 mW
Line output/impedance .............................................................................................................................................Bass Boost ON : 0.3 Vrms/1 k
Bass Boost OFF: 0.6 Vrms/1 k
Power supply
External DC supply ............................................................................................................................................................................4.5 V to 6 V DC
Rechargeable batteries (NB-130) x 2 or 4....................................................................................................................................................DC 2.4 V
Commercially-available alkaline batteries (LR6/AA) x 2 or 4...........................................................................................................................DC 3 V
Battery life (continuous repeat playback)
(Figures inside parentheses show the performance when the D.A.S.C. is ON.)
Commercially-available alkaline batteries (LR6/AA) x 2 .......................................................................................................Approx. 12 ( 9.5 ) Hours
Commercially-available alkaline batteries (LR6/AA) x 4 ........................................................................................................Approx. 27 ( 23 ) Hours
Rechargeable batteries (NB-130) x 2 ..................................................................................................................................Approx. 7.5 ( 6.5 ) Hours
Alkaline batteries (LR6/AA) x 2 and rechargeable batteries (NB-130) x 2.............................................................................Approx. 20 ( 16 ) Hours
Dimensions (W x H x D) .....................................................................................................................................................150 mm x 28 mm x 137 mm
( 5-15/16 " x 1-1/8 " x 5-7/16 ")
Weight (net) .............................................................................................................................................................................................. 240 g ( 8.5 oz)
1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).
Notes
background image
AC adapter (1)
(W08-0658-08): E
(W08-0659-08): T
(W08-0675-08): M
(W08-0679-08): X
(W08-0682-08): KP
AC plug adaptor (1)
(E03-0115-05): M
Car cassette adaptor (1)
(W01-0989-05): DPC-X612
Car battery adaptor (1)
(W01-0921-05): DPC-X612
Rechargeable battery (1)
(NB130)
(W09-1278-08): M4M5M6
Remocon (1)
(A70-1190-05): M4M5M6
Headphone (1)
(W01-0923-05): M4M5M6M7X5X6
(W01-0925-05): E1E2E3E4E5K1
K2M1M2M3M8
M9P1P2P3TX1
X2X4X7X8X9
M7X5X6
M7X5X6
DPC-X311/X517/X612
2
CONTENTS / ACCESSORIES
SPECIFICATIONS ........................................Top cover
CONTENTS / ACCESSORIES .................................. 2
DISASSEMBLY FOR REPAIR....................................3
CIRCUIT DESCRIPTION ............................................4
PC BOARD ................................................................ 7
SCHEMATIC DIAGRAM ............................................ 9
EXPLODED VIEW ....................................................13
PARTS LIST..............................................................14
Contents
Accessories
HOW TO READ THE PARTS LIST
ABBREVIATION OF MODEL AND MASS PRODUCTION'S DESTINATIONS
Australia
Canada
China
England
Europe
Germany
Korea
Malaysia
ABB.
X
P
C
T
E
G
H
I
DPC-X311-L
3
X1
-
-
-
E1
-
-
-
DPC-X311-H
3
X2
P1
-
-
-
-
-
-
DPC-X311-Y
3
X3
-
-
-
E2
-
-
-
DPC-X311-S
3
X4
-
-
-
E3
-
-
-
DPC-X517-L
5
X5
P2
-
T1
E4
-
H1
-
DPC-X517-H
5
-
-
-
-
-
-
H2
-
DPC-X517-Y
5
--
-
T2
-
--
-
DPC-X517-S
5
X6
-
-
-
E5
-
H3
-
DPC-X612-L
6
X7
-
-
-
-
-
-
-
DPC-X612-H
6
X8
P3
-
-
-
-
-
-
DPC-X612-Y
6
--
-
-
-
-
-
-
DPC-X612-S
6
X9
-
-
T3
E6
-
-
-
-
Mexico
PX/AAFES
Russia
Scandinavia
Shanghai
USA
Other area
ABB.
R
Y
Q
L
V
K
M
DPC-X311-L
3
-
-
-
-
-
-
M1
DPC-X311-H
3
-
-
-
-
-
-
M2
DPC-X311-Y
3
-
-
-
-
-
-
M3
DPC-X311-S
3
--
-
-
-
--
DPC-X517-L
5
--
-
-
-
K1
M4
DPC-X517-H
5
--
-
-
-
-
M5
DPC-X517-Y
5
--
-
-
-
-
M6
DPC-X517-S
5
--
-
-
-
-
M7
DPC-X612-L
6
--
-
-
-
-
M8
DPC-X612-H
6
--
-
-
-
K2
M9
DPC-X612-Y
6
--
-
-
-
-
-
DPC-X612-S
6
--
-
-
-
-
-
MODEL
MODEL
background image
3
DISASSEMBLY FOR REPAIR
DPC-X311/X517/X612
1.7x6
(BLK)
ø
1.7x6
(BLK)
ø
1.7x6(BLK)
ø
1.7x6(BLK)
ø
1.7x6(BLK)
ø
1.7x4
ø
Door Lock Sping
How to Remove Knobs
The PLAY and the STOP keys are available for removal
by pushing and turning them with taking care of bar of
the top cabinet ass'y.
The PLAY and the STOP keys are available for fixation
by hooking and pushing them with taking care of bar of
the top cabinet ass'y.
background image
4
CIRCUIT DESCRIPTION
DPC-X311/X517/X612
Pin No.
Pin Name
I/O
Description
Active
HL
1-4
COM 0-3
O
LCD common output.
5
VLC3
-
GND
6,7
VLC2,1
-
VDD
8
VDD
-
VDD
9
OSC2
-
Unused.
10
SMCK
I
External system clock(4.2336MHz).
11
VSS
-
GND
12
X1
-
GND
13
XO
-
Unused.
14,15
MMODO
-
GND
16-18
ANO-2
-
Unused.
19
KEY0
I
Remote control signal input.
20
KEY1
I
Key signal input.
21
BATT.
I
Battery level detection port.
LOW BATT
22
NC
-
Unused.
23
RECHARGE DET
I
Rechargeable detection port.
24
VREF+
-
Power supply(+2.8v).
25
REM DATA
O
Remote control data output.
26
POWER
O
Power off control for CD servo driver.
POWER OFF
27
REM STATUS
-
Unused.
28
P03
-
Unused.
29
SUBQ
I
Sub code Q signal input port.
30
SQCK
O
Sub code clock output port.
31
P06
-
Unused.
32
NRESET
I
Reset signal input for microprocessor.
33
XRESET
O
Reset output port to DSP IC(IC4).
RESET
34
STAT
I
Status signal input port.
35
MLD
O
Command load signal output port of microprocessor.
36
MDATA
O
Command data signal output port of microprocessor.
37
MCLK
O
Command clock signal output port of microprocessor.
38
BLKCK
I
Sub code clock signal input.
39
IRQ1
-
Unused.
40
DOOR
I
Door switch detection input.
OPEN
41
TEST
-
Unused.
42
V CONT.
O
Power voltage change-over
H = DC/DC out 3.0V L = DC/DC out 2.7V
43
BBS
O
Bass boost control output.
BBS ON
44-46
P42-P44
-
Unused.
47
LMT
I
Limit switch detection input port.
48,49
P46,P47
-
Unused.
50
MUTE
O
Muting control port of audio signal.
ON = H
51
LIGHT OUT
-
Unused.
52
RECHARGE
I
Detection port for rechargeable battery.
BAT CHG ON
53-55
P53,P54,P60
-
Unused.
56
AC ADAPTER
I
Detection port for AC adapter.
BATTERY
AC ADAP.
57
HOLD
I
Detection port for hold switch.
HOLD ON
58
DASC
I
DASC switch detection port.
59
DASC1
-
Unused.
60
DASC2
-
Unused.
61
P66
-
Unused.
62
DIG OUT
-
Unused.
63-68
SEG12-SEG17
-
Unused.
63-80
SEG0-SEG11
O
Segment control output.
1. Microprocessor : MN101C439(IC3)
1-1 Pin description
background image
5
DPC-X311/X517/X612
CIRCUIT DESCRIPTION
2. DSP IC : MN662780RPS2M(IC4)
2-1 Pin description
Pin No.
Pin Name
I/O
Description
ACTIVE
HL
1
DVDD5V
-
DRAM interface power supply.
2
D0
I/O
DRAM data input/output signal 0.
3
D1
I/O
DRAM data input/output signal 1.
4
NWE
O
DRAM writing enable signal.
5
NRAS
O
DRAM RAS control signal.
6,7
D2,D3
I/O
DRAM data signal input/output.
8
NCAS0
O
DRAM CAS control signal 0.
9-19
A0-A10
O
DRAM address signal 0-10.
20
DVSS2
-
Digital ground.
21
DVDD2
-
Digital power supply.
22
PWMCK
O
Disconnected.
23
TRVSTP
O
Traverse stop signal output.
24
TVD
O
Traverse control port.
25
PC
O
Spindle moter on signal output..
ON MODE
26
ECS
O
Control signal output for spindle motor.
27
TRD
O
Kick pulse output for tracking driver.
28
FOD
O
Focus drive output.
29
FBAL
O
Focus balance adjusting output.
30
TBAL
O
Tracking balance adjusting output.
EXCEPT DPC-X311
IC6
16M D-RAM
AN8789FB
/ / /
/ / /
FROM IC4 (Rch)
J105
LINE OUT
J102
Rch
Lch
H. P JACK
NJM2073M
VOLUME
LMT.
SW
AN8838NSB
Lch
IC9
µ-COM
MN101C439
LCD
MN662780RPS2M
DSP / DF-DAC
/Anti-shock Memory
RF
LCD
REMOTE
CONTROL
key input
data
status signal
DPC-X517
(M/X/H type)only
3KEY
REMOTE
CONTROL
DPC-X517
(H type)only
1-2 Microprocessor periphery block diagram

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