Parts/Service for DPC-X311/X517/X612

Parts/Service for DPC-X311/X517/X612

Brand: KENWOOD

Category: Audio

Document Type: Parts/Service

Language: EN

Uploaded: Nov. 21, 2025, 7:51 p.m.

Manual Publish Date: 2000-07-01

Warranty Information

No warranty information is explicitly stated in this service manual.

The manual provides detailed service information for the KENWOOD DPC-X311/X517/X612 portable CD player. It includes specifications, disassembly instructions, circuit descriptions, an exploded view, and a comprehensive parts list. The specifications section outlines audio and power parameters, while the circuit description details the microprocessor and DSP IC pinouts and block diagrams. The exploded view aids in identifying component locations, and the parts list provides part numbers and destinations for various components, including safety-critical parts indicated by a delta symbol. Safety precautions regarding laser radiation are also highlighted.

Troubleshooting and error codes

Pin No. Pin Name I/O Description Active (H) Active (L)
1-4 COM 0-3 O LCD common output.
5 VLC3 GND
6,7 VLC2,1 VDD
8 VDD VDD
9 OSC2 I Unused.
10 SMCK I External system clock(4.2336MHz).
11 VSS GND
12 X1 I/O GND
13 XO I/O GND
14,15 MMODO GND
16-18 ANO-2 I Unused.
19 KEYO 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. POWER OFF
26 POWER O Power off control for CD servo driver.
27 REM STATUS I/O Unused.
28 P03 I Unused.
29 SUBQ I Sub code Q signal input port.
30 SQCK O Sub code clock output port.
31 P06 I Unused.
32 NRESET I Reset signal input for microprocessor. RESET
33 XRESET O Reset output port to DSP IC(IC4).
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 O Sub code clock signal input.
39 IRQ1 I Unused.
40 DOOR I Door switch detection input. OPEN
41 TEST I Unused.
42 V CONT. 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 I/O Unused.
56 AC ADAPTER I Detection port for AC adapter. 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 O Unused.
63-80 SEG0-SEG11 O Segment control output.
Privacy Policy