Kenwood DPFJ-5020 Service manual
MULTIPLE COMPACT DISC PLAYER
MULTIPLE COMPACT DISC PLAYER
STANDBY
POWER
DISPLAY
DISC SKIP
0
PUSH OPEN
RANDOM
CONFIRM
REPEAT
6
7
4 ¢
200 DISC LOADING WITH TWIN PICK UP MECHANISM
TIMER PLAY
OFF ON
L
R
OUTPUT SYSTEM
CONTROL
DIGITAL
OUT
DIGITAL
OUT
COAXIAL
OPTICAL
SL16 XS 8
CD-323M/324M
DPF-J5020
SERVICE MANUAL
KENWOOD badge
(B43-0302-04)
Knob
(K29-6885-38)
Dressing panel *
(A21-)
Front glass
(B10-2395-08)
Panel *
(A29-)
© 1998-11/B51-5496-00 (K/K) 2945
Front glass
(B10-2396-18)
Knob
(K29-6824-18)
Dressing panel *
(A21-)
Panel *
(A60-)
Illustration is CD-324M/DPF-J5020.
Phono jack
(E63-1078-05)
Metallic cabinet
(A01-3501-08)
In compliance with Federal Regulations, following are
reproductions of labels on, or inside the product relating to
laser product safety.
KENWOOD-Corp. certifies this equipment conforms to
Slide switch
(S31-2132-05)
DHHS Regulation No.21 CFR 1040.10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM.
Mini phone jack
(E11-0293-05)
Phono jack *
(E63-1079-05) : KP1K1P2Y1
Refer to CD-223M/DPF-J3010 service manual (B51-5409-
00) if require the following items in detail.
1) Mechanism operation description.
2) Disassembly for repair.
Oscillating module *
(W02-1114-05) : T1E1
* Refer to parts list on page 17.
Power cord bushing
(J42-0083-05)
AC power cord *
(E30-)
CD-323M/324M/DPF-J5020
MULTIPLE COMPACT DISC PLAYER
STANDBY
POWER
BEST SELECTION
DISC SKIP
RANDOM
MODE
CONFIRM
REPEAT
DISPLAY/INSERT
6
7
4 ¢
1
¡
P.MODE/CHARA.
ENTER
CHECK/
SPACE
CLEAR/
DELETE
SET
200 DISC LOADING WITH TWIN PICK UP MECHANISM
TIMER PLAY
OFF ON
CONTENTS/ACCESSORIES/EXTERNAL VIEW
Contents
CONTENTS/ACCESSORIES/EXTERNAL VIEW.......2
CIRCUIT DESCRIPTION............................................3
ADJUSTMENT............................................................8
PC BOARD .................................................................9
Accessories
SCHEMATIC DIAGRAM...........................................11
EXPLODED VIEW ....................................................15
PARTS LIST..............................................................17
SPECIFICATIONS ......................................Back cover
Audio cord (1)
(E30-0505-05)
Remote control unit (1)
(A70-1257-08) : CD-324M/DPF-J5020
System control cord (1)
(E30-2816-05)
Batteries (R6/AA) (2)
Battery cover : (A09-0374-08)
External view
2
KENWOOD badge
(B43-0302-04)
Knob
(K29-6885-08)
Dressing panel
(A21-3732-08)
Front glass
(B10-2485-08)
Panel
(A29-0886-28)
Front glass
(B10-2456-08)
Dressing panel
(A21-3749-08)
Knob
(K29-6824-18)
Panel
(A60-1261-28)
Illustration is CD-323M.
* Refer to parts list on page 17.
LOAD_P1
UNLOAD_SW1SQCK
75
SQCK
LOADM+1
LOADM-1
LOAD_M1
SO
SI
DOT/QDATA
72
67
X32, IC14
STB1
74
71
47
55
56
uPD784215GF541
PERIPHERY IC RESET
JOG
IC RESET
ENCODE_B
ENCODE_A
X32, IC9
HM62256BLFP-8T
LDC
70
LASER ON/OFF
ON/STANDBY
MON
RMUTE
31
48
ANALOG MUTE
SPINDLE MOTOR ON/OFF
84~91
(AD0~AD7)
76~83, 92~99
1~2
(A0~A17)
8/16
A/D053
54
8BIT/16BIT
MODEL DISCRIMINATION
CS
CE
SERIAL
COMMUNICATION
WE
OE
IC2 X32, IC8
S1_SW
CLOCK
34
CDM-31
MECHA
3
4
7
S3_SW
S2_SW
S1_SW
S3_SW
S2_SW
DATA
XLAT
36
35
DATA
XLAT
CLOK
CLK
SO
SI
STB
7P
4P
CXD2587Q
(DSP)
uPD780204
(DOT
DRIVER)
POWER ON
PLAY ON/OFF
DISC SW
D_PWM
ROTARY+
23
10
D_SENS
24
25
28
29
26
27
D_PWM
SCLK
SENS
MUTEG
33
45
32
SCLK
SYSM
SENS
ROTARY-
LOAD SW1
UNLOAD_SW1
LOAD SW1
ROTALY_CW
ROTALY_CCW
SCOR
SUBQ
73
44
SQSO
SCOR
8
5
6
30
49
50
SBUSY
SDATA
ASTB
RD
WR
CS
1. Main microprocessor : uPD784215GF541 (IC8)
1-1 Microprocessor periphery block diagram
CIRCUIT DESCRIPTION
CD-323M/324M/DPF-J5020
3
CD-323M/324M/DPF-J5020
CIRCUIT DESCRIPTION
1-2 Microprocessor pin description (X32, IC8)
Pin No. Pin Name I/O Description
1 A16 O No connection.
2 A17 O No connection.
2 NC – No connection.
3 S3-SW I Mechanism address detector switch.
4 S2-SW I Mechanism address detector switch.
5 RD O SRAM read strobe.
6 WR O SRAM write strobe
7 S1-SW I Mechanism address detector switch.
8 ASTB(CE) O No connection.
9 VDD – Power supply (+5V).
10 +5VPUL O Disc sensor PWM output.
11 RTRN O No connection.
12 RWR O No connection.
13 RWRR O No connection.
14-21 L-D0-D7 O No connection.
22 TEST – GND.
23 DISC-SW I Disc sensor.
24 ROTARY-CW O Mechanism rotary motor (+). H : CCW
25 ROTARY-CCW O Mechanism rotary motor (-). H : CW
26 LOADM+1 O Loading motor (+) for main pickup.
27 LOADM-1 O Loading motor (-) for main pickup.
28 LOAD-SW1 I Loading switch for main pickup.
29 UNLOAD-SW1 I Unloading switch for main pickup.
30 CS O SRAM CS.
31 MON O Control port of poor focus works.
32 SCLK O Sens serial data read clock.
33 SENS I SENS signal input.
34 CLOCK O Serial data clock.
35 XLAT O CXD2587Q latch.
36 DATA O Serial data output.
37 VDD – Power supply (+5V).
38, 39 X1, 2 – Main system clock (12.5MHz).
40 VSS – GND.
41 XT2 – No connection.
42 XT1 I GND.
43 RESET I System reset signal input.
44 SCOR I Sub code synchro detection.
45 MUTEG O Muting control output. H : MUTE ON.
46 STB2 O No connection.
47 IC RESET O IC reset.
48 RMUTE O Analog mute. L : MUTE ON.
49 SDATA I/O Serial data signal I/O.
50 SBUSY I/O Serial busy signal I/O.
51 AVDD – Power supply(+5V).
52 AVREF – A/D reference power supply.
53 A/D0 I Model selector.
54 8/16 I 8/16 bit selector. H:16bit.
55 JOG2 I Encoder signal A input.
4
CD-323M/324M/DPF-J5020
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Description
56 JOG1 I Encoder signal B input.
57 DOOR-SW I Door open/close detector switch.
58 LOAD-SW2 I GND.
59 UNLOAD-SW2 I GND.
60 DISC-SW2 I Disc2 sensor.
61 AVSS – GND.
62 LOADM-2 O No connection.
63 LOADM+2 O No connection.
64 AVREF1 – D/A reference power supply.
65 RXD-R I No connection.
66 TXD-R O No connection.
67 SQCK/SCK-SW O “SQCK,SCK(DOT/DSP clock). L: "DSP.”
68 RXD SUB I No connection.
69 TXD SUB O No connection.
70 LDC O Laser on/off. L: Laser diode ON.
71 STB1 O Strobe signal output to dot driver.
72 S0 I Data input from dot driver.
73 SQS1 I Sub code read data input.
74 S1 O Data output to dot driver.
75 SCK/SQCK O Dot driver/sub code read clock.
76-83 A14~7 O Address output to SRAM.
84-91 D0~7 I/O SRAM data buss.
92-98 A0~6 O Address output to SRAM.
99 A15 O No connection.
100 VSS – GND.
1-3 Key matrix
VOLTAGE KEY RETURN 0 (33) KEY RETURN 1 (32) KEY RETURN 2 (31)
4.166V 323M CHECK/SPACE 323M MODE
3.333V 323M CLEAR/DELETE 323M SET RANDOM
2.5V 323M FB 323M ENTER CONFIRM
1.666V 323M FF REPEAT 323M DISP/INS
0.833V DOWN PLAY/PAUSE
0V UP POWER STOP
323M P.MODE/CHARA
323M BEST SEL.
324M/J5020 DISPLAY
( ) : IC14 Pin No.
5
CD-323M/324M/DPF-J5020
CIRCUIT DESCRIPTION
2. FL Microprocessor : UPD780204-038 (X32, IC14)
Pin description
Pin No. Pin Name I/O Description
1 VDD – Power supply (+5V)
2, 3 NC – No connection.
4 STANDBY O Standby LED control
5 LED-A O No connection.
6 LED-B O No connection.
7 POW-P I/O Timer sw on input.
8, 9 NC – No connection.
10 RESET I System reset input
11, 12 X1, 2 – Main system clock. (5MHz).
13 VSS – GND.
14 XT2 – No connection.
15 XT1 I GND.
16 VDD – Power supply (+5V)
17 SCK I Serial clock.
18 SO O Data output.
19 SI I Data input.
20-24 NC – No connection.
25 AVSS – GND.
26~30 A/D7~A/D3 – GND.
31~33 A/D2~A/D0 I Key return signal input (2~0).
34 AVDD – A/D analog power supply.
35 AVREF – A/D reference power supply.
36, 37 VSS – GND.
38 REM I Remote control input. (Except for CD-323M.)
39 STB1 I Strobe signal input.
40 VSS – GND.
41~45 NC – No connection.
46 VDD – Power supply (+5V)
47 NC – No connection.
48~52 P1~5 O FL control output. 1G (38), 2G~16G (1- 1 to 5- 1).
53~57 P6~10 O FL control output. 2G~16G (1- 2 to 5- 2).
58~62 P11~15 O FL control output. 2G~16G (1- 3 to 5- 3).
63, 64 P16, 17 O FL control output. 2G~16G (1- 4 to 2- 4).
65~69 P35~31 O FL control output. 2G~16G (5- 7 to 1- 7).
70~74 P30~26 O FL control output. 2G~16G (5- 6 to 1- 6).
75~78 P25~22 O FL control output. 2G~16G (5-5 to 2-5).
79 VLOAD – Negative power supply (-37.5V).
80 P21 O FL control output. 2G~16G (1-5).
81, 82 P20, 19 O FL control output. 2G~16G (5-4 , 4-4).
83 NC – No connection.
84 P18 O FL control output. 2G~16G (3-4).
85~92 9G~16G O FL control output. 9G~16G.
93~100 8G~1G O FL control output. 8G~1G.
6
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