
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2004
ORDER NO.
CRT3268
CD-MR70/UC
WIRED MARINE REMOTE CONTROL
CD-MR70
/UC
For details, refer to "Important symbols for good services".
K-ZZA. APR. 2004 printed in Japan

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SAFETY INFORMATION
CAUTION
A
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely
complex products such as those covered by this manual.
repair
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the
warranty.
trying to do so
W
ARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the
state
B
Health & Safety Code Section 25249.6 - Proposition 65
- Service Precaution
1. You should conform to the regulations governing
the product (safety, radio and noise, and other
regulations), and should keep the safety during
servicing by following the safety instructions
described in this manual.
C
If you are not qualified to perform the repair of this product properly and safely, you should not risk
and refer the repair to a qualified service technician.
of California to cause cancer, birth defects or other reproductive harm.
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
D
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
4. Shipping mode and shipping screws
E
5. Lubricants, glues, and replacement parts
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
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2
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CD-MR70/UC

5678
SPECIFICATIONS
Power source ..................................................................14.4 V DC (10.8 — 15.1 V allowable)
Grounding system ................................................................................................ Negative type
Max. current consumption ............................................................................................ 200 mA
Dimensions ...................................................................................... 102 (W) ⋅ 67 (H) ⋅ 46 (D)
Weight ............................................................................................................................ 0.12 Kg
Note:
• Specifications and the design are subject to possible modification without notice due to improvements.
A
B
C
D
E
F
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CD-MR70/UC
7
8
3

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EXPLODED VIEWS AND PARTS LIST
OTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.
A
• Screw adjacent to mark on the product are used for disassembly.
• For the applying amount of lobricants or glue, follow the instructions in this manual.
"
(In the case of no amount instructions,apply as you think it appropriate.)
PACKING
B
C
D
E
PACKING SECTION PARTS LIST
Mark
No. Description Part No.
1 Cord Assy CZD5385
2 Cord CZD5386
3 Accessory Assy CZE5014
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4 Carton CZH5366
5 Contain Box CZH5367
4
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CD-MR70/UC
Mark
No. Description Part No.
6 Tape CZN7023
7 Owner's Manual CZR5017
(English, French)
8 Remote Control Assy CZX5098

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OPERATIONS
Buttons on the Pioneer Head Unit and remote control unit with the same name have the
same function.
2
5
1
6
43
A
B
C
1 VOLUME buttons
2 BAND/ESC button
5
3 5
(DISC/P.Ch) buttons
4 23(TRK/SEEK) buttons
5 SRC (source) button
6 ATT button
Volume is decreased about one-tenth the set volume (Attenuator).
D
E
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CD-MR70/UC
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8
5

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Connecting the Remote Control Unit
A
Mounting Surface (rear view)
Break Lines
Bracket
15 cm (5-7/8 in.)
Pin plug cable
Connect to the wired remote input of a
Pioneer Head Unit. When connecting, use
the pin plug extension cable (supplied).
15 cm (5-7/8 in.)
B
1.5 m (4ft. 11 in.)
7 mm nuts
• Connect the
remote control
to the back of the Head Unit. Route the cable being careful
Red
Connect to the electric terminal controlled
by the boat’s ignition switch (12 V DC)
ON/OFF. When connecting, use the power
extension cable (supplied).
Black (ground)
Connect to the boat’s ground lead.
not to allow the cables to become entangled in surrounding objects.
C
• After connections are finished, check all operations of the
• Connect cables securely.
remote control
.
System Connections
Connect the wired remote input of a Pioneer Head Unit and the remote control pin plug.
A Pioneer Head Unit with a
wired remote input
(e.g. DEH-P2600)
D
Pin plug
Pin plug extension cable (supplied)
Wired remote input
E
• When connecting to the remote control pin plug’s wired remote input, use the pin plug
extension cable (supplied).
• When connecting the pin plug extension cable (supplied) and the remote control pin
plug, wrap with tape (supplied) to assure secure connection.
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CD-MR70
Remote Control
Unit
CD-MR70/UC