CD CASSETTE DSP RECEIVER
DPX-5010
SERVICE MANUAL
© 2000-8 PRINTED IN JAPAN
B51-7663-00 (N) 1714
Refer to the service manual "D40-1132-05" (B51-7505-00)
for CASSETTE MECHANISM ASSY's information.
The following reference numbers with accessory parts are the same reference numbers
used on EXPLODED VIEW and PARTS LIST.
DPX-5010
DIGITAL SIGNAL PROCESSOR
CD CASSETTE
DSP RECEIVER
VOLUME
LAST ANGLE
MEMORY
CRSC
SBF
OFF
PWR
OFF
NAME.S
7
8
9
0
SCROLL
B NR
SCN
RDM/B.S
COMPRESSION
KBS
SFC
DBB
SFC LEVEL
POSITION
ROOM SIZE
REP
M.RDM/MTL
D.S
DISC
PROGRAM
D
IS
C
DIRE
CT
DIGITAL X
,
OVER
RETURN
ANGLE
DISP
56
DIR
AUD
EQ
FNC
FM
+
AM
--
CD OPEN/CLOSE
TAPE OPEN/CLOSE
DSP
ATT
SRC
1
2
34
711
RM1
DC1
205
210
DC1
DPX-5010
2
CONTENTS
BLOCK DIAGRAM .................................................................................... 3
MICROCOMPUTER'S TERMINAL DESCRIPTION .................................. 5
PANEL MECHANISM DESCRIPTION ....................................................... 9
TEST MODE / ADJUSTMENT................................................................. 11
PC BOARD .............................................................................................. 12
SCHEMATIC DIAGRAM .......................................................................... 21
EXPLODED VIEW ................................................................................... 30
PARTS LIST ............................................................................................. 34
SPECIFICATIONS ............................................................... BACK COVER
3
4
BLOCK DIAGRAM
M
M
REV
Rch
Rch
FWD
Lch
REV
Lch
FWD
CH
CON
CH
CLK
REQC
REQH
D
ATA
C
D
ATA
H
SDA
SCL
RESET
PLL CLK
PLL DATA
PLL CE
FSD
FM SD
SW1-3
AMUTE
MRST
MSTOP
LO/EJ
CD PACK
BEEP
TEST
PWIC STBY
MUTE
BU DET
ACC DET
SMALL
LINE MUTE
ANT CON
P CON
P ON
FM
AM
ILLUM
FL PON
SCDATA
MCDATA
CTS
RTS
FM DET OUT
AM DET OUT
CE
FM SD
FSD
CLK
DATA
AM
ANT
FM
ANT
PON 5V
AUD +B
FM +B
AM +B
SRV +B
AUD +B
BU 5V
SW1-3
AMUTE
MRST
ANT CON
P CON
LINE MUTE
SMALL
ACC
B. U
GND
LINE MUTE
B.U DET
ACC DET
SMALL
ILLUM
507mV
1592mV
1503mV
3014mV
P CON
BU 5V
PON 5V
:
:
:
:
TAPE
+6dB
+B
FAC
-0.5dB
(+2.4-3dB)
9dB
9dB
DSP 5V
342mV
108mV
180mV
319mV
100mV
169mV
58mV
59mV
151mV
900mV
475mV
283mV
192mV
61mV
SC-CON
SW 5V
SW 5V
ILL +B
BU 5V
ILL+B
ILL+B
AM
FM
FM +B
AM +B
PON 5V
MOTOR
ILL +B
BU 5V
B. U
:
:
:
:
B.U
BU 5V
AUD +B
REQ
FM
AM
SDA
SCL
PLL REQ
MOTOR
PON 5V
LED CD
LED TAPE
PWIC SVR
DSP CLK
DSP PD
DSP WRQ
DSP WRDY
DSP SO
DSP RST
MOTOR
MOTOR
9dB
AUD +B
REAR
REAR
FRONT
N/F or
-12.4dB
DSP CLK
DSP SO
DSP WRDY
DSP WRQ
DSP PD
DSP RST
-0.5dB
TAPE
SDA
SCL
AUDIO
OUT
AMP-CTRL
AMP-CTRL
P ON
MOTOR
MOTOR +B
CD SRV +B
DSP(A) 3.3V
DSP(D) 3.3V
AUDIO +B
BEEP
STBY
SVR
TEST
SCL
SDA
3193mV
1687mV
537mV
1593mV
FRONT
REAR
+15dB
OTHER
+11dB
114mV
363mV
ANT CON
P ON2
BU 5V
PM
DET
REFCON
OPEN-SW
PM
MOTOR
LO/EJ
MSTOP
PLAY HEAD
REELT
REELS
MODE
PACK DET
STBY
PACK IN
F-IN(L)
VREF(L)
R-IN(L)
F-IN(R)
VREF(R)
R-IN(R)
MAIN
MOTOR
DRIVER
BU
SUB
MOTOR
DRIVER
MOTOR +B
Supply Reel
SUB
MAIN
Takeup Reel
LED LOGO
ILL+B
OPEN-SW
REFCON
PM
DET
PM-MODE
PW MUTE
A OUT
SUB+
MAIN
MODE
1-3
SUB-
MSC
MTL
MUSIC
EQ-MUTE
RREEL P
ACK
DET
FREEL
FWD/REV
DOLBY
OTHER
+15dB
+11dB
CD
TAPE
TAPE
AM
FM
CD CH
300mV
160mV
400mV
1200mV
+4dB
+4dB
+0dB
+2dB
AM
TAPE
FM
CD CH
:
:
400mV
160mV
TAPE
CD CH
AM
FM
:
:
:
:
798mV
254mV
1511mV
475mV
AM
:
CD CH
TAPE
FM
:
:
:
AM
:
TAPE
CD CH
FM
:
:
:
TAPE
CD CH
AM
FM
:
:
:
:
CD CH
TAPE
FM
AM
:
:
:
:
:
:
1200mV
300mV
TAPE
CD CH
AM
FM
:
:
:
:
AM
TAPE
CD CH
FM
:
:
:
:
SYSTEM u-COM
DC/DC +B SW
ILL +B AVR
SRV +B AVR
A8V AVR
AVR
BU DET
ACC DET
SMALL DET
LINE MUTE
VOL
BASS
INPUT
SEL
ISO
NC. MPX
HPF
MUX
PWR AMP
FRONT
SP OUT
REAR
SP OUT
MUTE
E2PROM
F/E
CD MECHA
ANT.
PRE OUT
FRONT
REAR/NON FAD
PRE OUT
E VOL, TONE, NC, MPX
TRE
MD/CD
CHANGER
DC/DC
DSP
BUFF
LPF
MUTE&
BUFF
LPF
VFD
PANEL u-COM
5V SW
DTB123YK
REMOCON
RST SW
CD PACK
KEY MATRIX
DSP3.3V
SW 14V
D5V AVR
L4943
FM8V SW
AM8V SW
5V SW
PANEL
MOTOR1
DRIVER
FL
VDD
P CON
VOL
SOFT
MUTE
LPF
BUFF
Buff
AMP
VOL
AMP-CTRL
DSP3.3V AVR
ANT CON
HA12216F
2SB
LEVEL
DOWN
Q16
IC17
A1
IC18
IC3
IC9-11
IC5
IC12
IC8
IC2
IC1
A2
IC14
MECHA
CASSETTE
IC2,Q4
IC1
IC3
IC1
ED1
SWITCH UNIT
(X25-8330-11)
PANEL MECHA
DOLBY UNIT
(X30-3000-00)
DPX-5010
DPX-5010
5
(X14-) IC1 : System
µ-com
Pin
Pin Name
I/O
Description
Processing Operation
1
DSP RVDT
O
DSP data output
2
DSP_CLK
O
DSP clock output
3
CHCON1
O
External CH1 selection
H: CH1, L: Others
4
CHCON2
O
External CH2 selection
H: CH2, L: Others
5
DATAH
O
External CH data output
6
DATAC
I
External CH data input
7
CHCLK
I/O
External CH clock input/output
8
BYTE
I
External data bus width switching
9
CNVss
I
Processor mode switching
10
DSP_REDY
I
DSP write request
11
DSP_RST
O
DSP Reset
12
Reset
I
Reset input
L: Reset
13
Xout
O
Main system clock output
14
Vss
I
Power input
15
Xin
I
Main system clock input
16
Vcc
I
Power input
17
NC
I
Not in use
18
SP INT
I
Spectrum analyzer reception per mission
19
BU DET
I
B.U detection
H: Power down
20
REQC
I
External CH reception request
21
REQH
O
External CH transmission request
H: On
22
PANT
O
Power antennal control
H: On
23
PCON
O
External amp power control
H: On
24
PON
O
Power control
H: On
25
LAMP
O
Lamp control
H: On
26
AMP_CTRL
O
External amp control
H: On
27
ACC DET
I
ACC detection
H: ACC off
28
BUZZ
O
Beep ouput
29
SCL
O
IC2 clock ouput
30
SDA
I/O
IC2 data input/output
31
PN MC DATA *
O
Panel
µ-com communication data output
32
PN SC DATA
I
Panel
µ-com communication data input
33
PN RTS
O
Panel
µ-com communication control
34
PN CTS
I
Panel
µ-com communication control
35
PMOT1
O
Panel motor control
36
PMOT2
O
Panel motor control
37
REFCON
O
A/D reference voltage output
38
PMDET
I
Panel mechanism detection
39
OPEN SW
I
Panel full-open detection
L: Panel full-open
40
PM VR
O
Panel mechanism voltage congrol
H: 5.1V, L: 7.2V
41
PN SCCON
O
Panel
µ-com communication control line
H: Panel Microcomputer stop
MICROCOMPUTER'S TERMINAL DESCRIPTION
DPX-5010
6
(X14-) IC1 : System
µ-com
Pin
Pin Name
I/O
Description
Processing Operation
42
MUTE
O
MUTE
H: MUTE on
43
LED CD
O
LED CD display
H: On
44
LED TAPE
O
LED TAPE display
H: On
45
LED LOGO
O
LED LOGO display
H: On
46
SP_REQ
O
SPANA data output request to panel microcomputer
47
CD_SW3
I
CD mechanism SW3 detection
48
CD MOTOR
O
CD loading motor control
H: On
49
CD_LO/EJ
I/O
Loading/Eject control
L: Loading direction
H: Eject direction
50
CD_MSTOP
O
CD mecha controller stop
L: Stop
51
CD_MRST
O
CD mecha controller reset
L: Reset
52
CD_AMUTE
I
CD mute request
H: Mute request
53
CD_SW1
I
CD mecha SW1 detection
54
CD_SW2
I
CD mecha SW2 detection
55
TA DOLBY
O
Dolby selection SW
H: DOLBY on
56
TA MTL
O
Metal selection SW
H: Metal, L: Normal
57
TA_F/R
O
Play direction selection SW
H: RWD, L: FWD
58
TA MUSIC
I
Between-music detection input SW
L: Music
59
TP MSC
O
Casettee between-music selection SW
L: FF&REV
60
TA EQ MUTE
O
EQ music selection SW
H: MUTE on
61
SEL1
I
IC2III noise cancellation selection
62
Vec
-
Power input
63
NC
O
Not in use
L: Fixed
64
Vss
-
Power input
65
SEL2
I
IC2III noise cancellation selection
66
SEL3
I
Location switching
H: M, L: J
67
NC
O
Not in use.
L: Fixed.
68
PACK_DET
I
PACK detection SW
L: PACK
69
TA_MODE1
I
Cassette MODE1 detection SW
70
TA_MODE2
I
Cassette MODE2 detection SW
71
TA_MODE3
I
Cassette MODE3 detection SW
72
TA_SMOTOR1
O
Cassette sub motor control 1
73
TA_SMOTOR2
O
Cassette sub motor control 2
74
TA_MOTOR
O
Cassette main motor control
H: On
75
NC
O
Not in use.
L: Fixed.
76
PLL CLK
O
PLL clock ouput
77
PLL DATA
I/O
PLL data input/output
78
PLL_CE
O
PLL selection
79
FMSD
I
FM station detection
H: Station
80
PLL_REQ
O
PLL seek selection
L: In seek
81
FM+B
O
FM Power
H: FM
MICROCOMPUTER'S TERMINAL DESCRIPTION
DPX-5010