CARVIN DCM150 User manual

CARVIN ENGINEERING DATA OPERATING MANUAL
TheDCM150professionalampisdesignedutilizingCarvin’syearsofexpe-
rience in power amp technology. It meets and exceeds every standard for
professionalamplification. Thethickbrushedanodizedaluminumfaceplate,
large recessed knobs and heavy-duty aluminum chassis reflect the manu-
facturing quality within. The DCM150 “High Energy Transfer” amp carrys
the CE approval for world-wide use.
PURE—TRANSPARENT SOUND
Carvin considers the sound of an amp equally important as its reliability.
To insure pure, uncolored sound, we designed one of the fastest respond-
ing power amps on the market today. High slew rates deliver superb tran-
sient response. High frequencies are transparent and open—even at high
levels. Linearfeedbackcircuitsreducedistortion tonearthetheoreticalzero
limitpreventinganytypeofharshness which would lead to ear fatigue. The
DCM150ampdeliversflat,transparent,unalteredsound—especiallyimpor-
tant to the studio user. These amps are designed to deliver non-stop, con-
tinuous power and are completely protected from heat and short circuits.
ULTRA RUGGED FOR TOURING
Every chassisis madefrom heavy-duty16 gaugealuminum thatis light-
weightandpreventsrust. Allinternalcablingis neatlytiedandharnessed.
Heavy-dutypowerswitches,recessedknobs& machinedaluminumfront
panels all give the DCM amps a “tank-like” ability to handle rough, tour-
ing transport.
TOTALLY MODULAR
With the DCM150, Carvin brings you totally modular construction. If
you ever need an I/O (input/output) connector card because a connector
wore-out, just unplug it and re-install the replacement card in minutes.
You don’t have to de-solder anything. This applies to every aspect of the
DCM150 amp including the power supply, power cards, and heat sinks.
Everything is connected by heavy-duty connectors for easy replace-
ment—even the Toroid transformer is a total plug-in.
LOSE THE WEIGHT...NOT THE PERFORMANCE
Forsomecompanies,weightreductionmeanscostreduction. Carvinhow-
ever,usesexpensiveTOROIDtransformerstoreduceweight. Toroidsdeliver
extraamountsof“ondemand”currentforcontinuousoperation. Thisgives
thepower supplyasolid foundation,yielding moreheadroom. Notonly do
toroidsdeliverhighcurrent,buttheyareknownforreducingstraymagnetic
fieldseliminatinghum & noise. Thisisespecially important fortherecord-
ing industry.
For your records, you may wish to record the following information.
Serial No._____________________ Invoice Date_______________
DCM150 POWER AMP SPECIFICATIONS:
Output Power
(BRIDGE MONO)
8Ω, 1kHz, < 1% THD 150 Watts
Minimum Impedance (Bridged) 8 ohms
(Stereo, both channels driven)
8Ω, 1kHz, < 0.5% THD 60/60 Watts
4Ω, 1kHz, < 0.5% THD 75/75 Watts
Minimum Impedance 4 ohms per channel
THD
20-20kHz < 0.1%
(8Ωtypical) < 0.05%
Frequency Response ±0.5 dB, 20 Hz to 20 kHz
Input Impedance > 20kΩBalanced or Unbalanced
Damping Factor >400
Sensitivity (@ 4Ω) 1.0 Vrms
Output Noise -102 dBm
Power Consumption 120V—200 VA
Dimensions 1 3/4” High x 19” Wide x 10” Deep
Weight (Net) 9lbs.
76-00150 0801
12340 World Trade Drive, San Diego, CA 92128
800 854-2235 www.carvin.com
DCM150 POWER AMP
FRONT PANELS & CONNECTING UP
TheDCMSeriesfeaturefrontpanelsignal,clipandprotectLEDswhichletyoumon-
itor the status of the amp. Both channels use precision level controls allowing you
to see your settings at a glance. Balanced 1/4 phone & XLR input jacks are used to
eliminate hum & noise. Speaker outputs feature 1/4” jacks. Heavy-duty binding
posts that accept up to 50 amp #7 speaker wires.
The rear professional accessory group offers a GROUND switch to remove the
chassisgroundfromtheXLRinput, aPARALLELinputswitchconnectstheinputs
of both channels together eliminating Y connectors and allowing amp patching
inmultipleampsystems. The accessorygroupalsofeaturesaBRIDGEmodeswitch
for delivering full power into a mono 8 Ωloud .
RECEIVING INSPECTION—read before getting started
INSPECT YOUR UNIT FOR ANY DAMAGE which may have occurred during shipping.
If any damage is found, please notify the shipping company and CARVIN immediately.
SAVETHECARTON&ALLPACKINGMATERIALS. Intheeventyouhavetore-shipyourunit,
always use the original carton and packing material. This will provide the best possible pro-
tection during shipment. CARVIN and the shipping company are not liable for any damage
caused by improper packing.
SAVE YOUR INVOICE. It will be required for warranty service if needed in the future.
SHIPMENT SHORTAGE. If you find items missing, they may have been shipped sepa-
rately. Please allow several days for the rest of your order to arrive before inquiring.
RECORDTHE SERIAL NUMBER on theenclosed warrantycard orbelow on this manual
for your records. Keep your portion of the card and return the portion with your name
and comments to us.

FRONT PANEL
1. MOUNTING
The rack mounting holes are designed on ISO standard spacing. Four
10-32 x .5” phillip machine screws are normally used to secure the amp.
Rear support brackets are not required.
2. POWER SWITCH
Check the power amp connections and verify the AC line power source
before engaging the POWER switch. The yellow LED unmistakably indi-
cates that all circuits are properly powered up. This color was chosen so
the operator could see the red protect indicator from a distance.
3. CHANNEL LEVEL CONTROL
A precision input LEVEL attenuator is used to adjust the volume levels.
To deliver the amps full power without reducing headroom of the signal
source, the level controls should be turned up full.
4. CHANNEL SIGNAL INDICATOR
The green SIGNAL LED indicators will start to flash when there is a signal
passing to your speakers (-30dBM). This lets you know when the amp is
passing a signal to your speakers.
5. CHANNEL CLIP INDICATOR
TheredCLIPLEDindicatorswillstarttoflashwheneachchannelhasreached
itsmaximumoutput. Occasionalflashingcausedbylowerbassfrequencies
is OK. However, consistent flashing caused from higher frequencies may
damage high frequency drivers (excessive distortion). This does not cause
damage to the amp.
6. EQ EXPAND SWITCH
Whensettothe‘in’positionthis circuitwillcutthemidsby-4dBat1KHz.
Thisworkswellasaloudnesscontour whenoperatingatlowvolumelevels
or adds tone when using it in a bass or guitar rack. When set to the ‘out’
position it provides a flat, normal response. Try it both ways and set as
desired.
REAR PANEL
7. XLR CHANNEL INPUTS
For most professional applications, use the XLR balanced input. This
will help to reduce hum and allow of longer cable runs from your signal
source (mixer, etc). Because this is a balanced input, the gain will be 6
dB higher than using a non balanced 1/4” input. XLR pin configuration:
Pin 1: Grounded through the GROUND LIFT switch, Pin 2: positive Bal.
signal and Pin 3: negative Bal. signal.
8. CHANNEL 1/4” PHONE JACK INPUT
These 1/4” TRS phone jacks are designed to receive either balanced or
unbalanced input signals. Balanced signals coming into this jacks should
bewiredwith the connector’s tip goingtosignal+ and theconnector’s ring
tosignal–. Theconnector’ssleeveisthentiedtogroundthroughtheGROUND
LIFT switch–.
9. SPEAKER OUTPUTS
The standard 1/4” SPEAKER jacks are used for most applications. Turn
the amp off before connecting your speakers.
10. SPEAKER BINDING POSTS
Forheavy-duty speakerconnections, usethe rearBINDING POSTSto con-
nect your speakers. Wire sizes up to 7 gauge (50 amps) can be inserted
intothebindingposts“sideholes”. Largercablecanbeusedwith“banana”
plugs which plug into the ends of the binding post (remove colored caps).
Binding posts are spaced on ISO standards. Use the two center RED bind-
ing posts for BRIDGE speaker connections (see 11 BRIDGE MODE).
11. BRIDGE MODE—70V DISTRIBUTION SYSTEMS
The DCM150 can be operated in bridge mode if you require a 70V dis-
tribution speaker system or a high powered mono (single channel) amp.
With your amp off, push in the rear BRIDGE switch after you have made
your speaker connections to the rear center RED binding posts (ch 1 is
+ and ch 2 is -). No other speaker jack or binding post can to be used at
thesametime!”. TheINPUTand LEVELishandledbychannel 1.Channel
2isnon-operational. Theminimumspeakerimpedanceis8ohms. CAU-
TION: Thepower developedbybridging youramp candestroyspeakers!
12. PARALLEL OR “Y” INPUTS
TherearPARALLELswitchallowsyoutodrivebothchannelsfromeither
input. All signals entering any input will be available on both channels.
This eliminates Y adapter cables. This feature is used to “daisy chain”
onepieceofequipmenttoanother. JustplugintotheunusedINPUT(1/4”
or XLR) and it will become an output for other equipment.
13. INPUT GROUND LIFT
Many times sound systems are connected in such a manner to cause a
grounded loop with the inputs that result in audible hum. The input GND
LIFT (1/4” & XLR) switch on the rear panel will help eliminate this prob-
lem. Ifnot,anotherwaytoeliminateground loopsistoinstalla“linematch-
ing” transformer between the amplifier input and the signal source and
cut the ground wire to PIN 1.
14. AC POWER
Your amp is designed to run on either 120V 60 Hz. The voltage range
for120Vis95Vto132V.Therearheavy-dutyACcordisdesignedforyour
country. Be sure to check your power source before plugging into a
grounded(3prong)outlet. Neverdefeatthegrounded connectionorelec-
trocution may result!
PROFESSIONAL 150W AMPLIFIER
DCM150
CHANNEL ONE
∞
50
30
22
19
17
15
1312 11 10 98765
4
3
2
1
0 dB
CLIP
SIGNAL
CLIP
SIGNAL
∞
50
30
22
19
17
15
1312 11 10 98765
4
3
2
1
0 dB
CHANNEL TWO
POWERPROTECT
EQ EXPAND
GND
LIFT
BRIDGE PAR
INPUT 1 INPUT 2
4ΩMIN.4ΩMIN. BRIDGE
8 OHMS
MIN.
SPEAKERS
12
STEREO AMPLIFIER
DCM150
8 OHMS/CH 50 WATTS
4 OHMS/CH 75 WATTS
8ΩBRIDGED 150 WATTS
SERIAL NUMBER
120VAC~60Hz
125VA INTERNAL FUSE
800-854-2235
www.carvin.com
MADE IN THE
USA
2
6
134
5
FRONT & REAR PANEL CONTROLS
8
7
14 910 11
13 12

CONNECTING THE SYSTEM
The following diagrams illustrate typical connections. Although these illustrations show
XLR’s for inputs and 1/4” plugs for outputs, a variety of alternative connectors are available.
For most stage setups, mono (not stereo) is recomended. The reason for this is the audi-
ence on the left will not hear the same program material on the right if the program is done
in true stereo.
INPUT CONNECTIONS
The preferred method of connecting input signals is with balanced XLR’s (two conductors
plus a shield wire such as Carvin professional XLR cables). Balanced input signals provide
the highest gain and best noise rejection. 1/4” stereo cables are also capable of providing
balanced input by using a stereo plug (tip-positive, ring-negative & sleeve-ground). Not all
sources provide balanced outputs. If this is the case, standard 1/4” input cables work fine
withcable lengths under25 feet (single conductor plus shield) providing there is no ground
loop in the system.
GND
LIFT
BRIDGE PAR
INPUT 1 INPUT 2
4ΩMIN.4ΩMIN. BRIDGE
8 OHMS
MIN.
SPEAKERS
12
STEREO AMPLIFIER
DCM150
8 OHMS/CH 50 WATTS
4 OHMS/CH 75 WATTS
8ΩBRIDGED 150 WATTS
SERIAL NUMBER
120VAC~60Hz
125VA INTERNAL FUSE
800-854-2235
www.carvin.com
MADE IN THE
USA
Use 16 guage or heavier
Non shielded cables (PH50).
Plug into the 1/4" speaker jacks
or strip and insert into speaker
Binding Post (Red+ Black-)
Ch 2 SpeakerCh 1 Speaker
To signal use XLR or 1/4" 2 or 3 cond. shielded cable
BRIDGE switch
must be OFF (OUT).
PARALLEL switch
must be (IN)
TYPICAL STEREO (BIAMP) SETUP
GND
LIFT
BRIDGE PAR
INPUT 1 INPUT 2
4ΩMIN.4ΩMIN. BRIDGE
8 OHMS
MIN.
SPEAKERS
12
STEREO AMPLIFIER
DCM150
8 OHMS/CH 50 WATTS
4 OHMS/CH 75 WATTS
8ΩBRIDGED 150 WATTS
SERIAL NUMBER
120VAC~60Hz
125VA INTERNAL FUSE
800-854-2235
www.carvin.com
MADE IN THE
USA
Use 16 guage or heavier
Non shielded cables (PH50).
Plug into the 1/4" speaker jacks
or strip and insert into speaker
Binding Post (Red+ Black-)
Use a XLR or 1/4" 2 or 3 cond. shielded cables
BRIDGE switch
must be OFF (OUT).
Full Range
(Lo Freq. Bi-Amp)
Woofer System
Full Range
(Hi Freq. Bi-Amp)
Horn System
(Hi Freq. Bi-Amp)
(Lo Freq. Bi-Amp)
Ch 1 Left
Ch 2 Right
SPEAKER CONNECTIONS
Thereare two 1/4” speaker jacks available for speaker connections (one foreach channel).
Additionally, there are two pairs of binding posts that not only allow for high current con-
nections to speakers but are also used for “bridging” the amps output (see rear panel sec-
tion 14 & 15). Use heavy gauge wire for all speaker connections (no lighter than 16 gauge
up to 50’, Carvin’s PH50). Caution: Never use shielded cable (microphone or instrument
inputcable)toconnectspeakers. These cables will nothandletherequired current and may
cause your amplifier to oscilate because of the internal shield.
GND
LIFT
BRIDGE PAR
INPUT 1 INPUT 2
4ΩMIN.4ΩMIN. BRIDGE
8 OHMS
MIN.
SPEAKERS
12
STEREO AMPLIFIER
DCM150
8 OHMS/CH 50 WATTS
4 OHMS/CH 75 WATTS
8ΩBRIDGED 150 WATTS
SERIAL NUMBER
120VAC~60Hz
125VA INTERNAL FUSE
800-854-2235
www.carvin.com
MADE IN THE
USA
Use a XLR or 1/4" 2 or 3 cond. shielded cables
Activate the BRIDGE switch
(IN). Control the level by Ch 1
( Ch 2 does not function.
70V Distribution System:
"TAP" Wattage of transformer
(can vary from diagram)
divided by total wattage
of Amp = Number of
transformer/speaker(s)
that can be hooked up. Single speaker or
system connected
in BRIDGE mode.
Minimum imp. 8
+
16
8
4
C
15w
7w
3w
1w
C
+
16
8
4
C
15w
7w
3w
1w
C
OR
TYPICAL MONURAL SETUP
TYPICAL BRIDGED SETUP
SHIELD-NEG.
3
1
2
+POS.
SHIELD
-NEG. 3
1
2
+POS.
GND
- SIGNAL (BAL.)
+ SIGNAL (BAL.)
BALANCED MIC/LINE XLR CABLES
1
2
3
INTERRUPT (PATCH)
STEREO OR BALANCED SIGNAL LINE
SHIELD (GROUND)
+ SIGNAL (RETURN)
- SIGNAL (SEND)
SPEAKER OR SIGNAL LINE CABLE
(Unshielded) (Shielded)
(Shielded)
SHIELD (GROUND)
+ TIP (HOT)

DCM150 REV A
PART #QTY DESCRIPTION
03-00450 1 EACH INSLTR 9.125x1.5x.01" SGL ADHV
03-00067-20 4 EACH INSLTR MICA .0020".830"X .69"
03-10450 2 EACH BINDING POST RED/BLK EXT LEGS
03-10625 4 EACH STANDOFF NYLON #10X .625X .375
03-15010 2 EACH TOROID PAD 4.75" OD X 2" ID X0
03-18190 3 EACH CABLE TIE 4"LX .10"W 7/8 BNDLE
03-19810 4 EACH FOOT PVC BLK SQ"=.810 HGT=.300
03-49550 1 INCH TAPE W/ADHSVE 3M 80mil x 1.0"
05-48025 1 EACH SPADE CONNECT 18AWG BLK 254MM
05-48522 2 EACH SPADE CONNECT 18AWG GRN 228MM
05-68415 1 EACH CABLE RIBBON 24A 8P/ 6" W/HDR
05-60420 1 EACH CABLE RIBBON 24A 10P/ 8" W/HDR
05-64435 1 EACH CABLE RIBBON 24A 4P/14" W/HDR
06-09252 2 EACH NUT FOR POT 71-09252C
06-10045 6 EACH SMS PFH #6X .375 TYPE AB BLACK
06-10061 2 EACH SMS PPH #6 X .375 TYPE A BLACK
06-10070 4 EACH MS PPH 6-32X .500 BLACK
06-10080 4 EACH MS PPH 6-32X .750 BLACK
06-10100 4 EACH MS PPH 8-32X .375 BLACK
06-10193 1 EACH MS CTH #1/4-20X 1.250 BOLT BLK
06-40070 2 EACH TERMINAL .25"TAB/.156"LUG/.032
06-50035 8 EACH NUT KEP #6-32 ZINC CADMIUM
06-50040 4 EACH NUT KEP #8-32 BLACK ZINC
06-50051 4 EACH NUT KEP #10-32 ZINC CADMIUM
06-50061 1 EACH NUT HEX #1/4-20 ZINC W/NYLN IN
07-09012 2 EACH KNOB RECESSED MED 25.0mm BLACK
10-01501E 1 EACH FRONT PANEL DCM150
10-82005 1 EACH LID DCM/HT POWER AMPS
10-01509G 1 EACH CHASSIS DCM150
10-15045 1 EACH PLATE TOROID 4.5" DIA 14A GALV
12-01520A 1 EACH HEATSINK DCM150/PB200
15-01513 1 EACH XFORMR 120V HT150
25-31350 1 EACH SWITCH DPST ROCKER BLACK POWER
76-00001 1 EACH WARRANTY CARD "CARVIN"
76-00150 1 EACH MANUAL DCM150
77-01509B 1 EACH LABEL REAR DCM150
DCM150 PCB Sub Assemblies
80-01528 REV B
03-92521 6 EACH STANDOFF LED .925 x .215 T1
05-22102 4 INCH POLYOLEFIN SHRINK TUBING 1/16"
06-40050 1 EACH TERMINAL VERT MALE PC MTG .250
QC7
06-40060 6 EACH TERMINAL 90dg MALE PC MTG .250
QC1, QC2, QC3, QC4, QC5, QC6
07-01603 4 EACH KNOB "6L" 6x6x17.4mm GREY CAP
21-31100 1 EACH RECEPTACLE AC W/FAST-ON CHASS
PL1
21-50311 2 EACH JACK PHONO MONO PCB MOUNT
J5, J6
21-51545 2 EACH JACK .250"PHONE STEREO PLASTIC
J1, J2
21-40000 2 EACH XLR FEMALE CONNECTOR W/O GRND
J3, J4
23-03529 2 EACH FUSEHOLDER CLIPS 3AG VERT MTG
F1
23-11004 2 EACH CONNECT HEADER 4 PIN STRAIGHT
H1A, H1B
23-11008 2 EACH CONNECT HEADER 8 PIN STRAIGHT
H3A, H3B
23-11010 2 EACH CONNECT HEADER 10 PIN STRAIGHT
H2A, H2B
25-02201 3 EACH SWITCH DPDT PUSH PC MTG LOCKNG
S2, S3, S4
25-04201 1 EACH SWITCH 4PDT PUSH PC MTG LOCKNG
S1
30-01528 1 EACH PCB CARD MAIN HT150 PWR AMP
PCB REV B
42-22235 6 EACH CAP ELEC 2,200 MFD 35V 20%
C1, C2, C3, C4, C5, C6
49-10312 9 EACH 0.01UF SMT 10% FILM 080550V
C10, C110, C118, C119, C210,
C218, C219, C9, C13
49-10451 2 EACH 0.1 uF SMT 10% FILM 1206 50V
C111, C211
49-22035 16 EACH SMT CAP 22uF 35v ELECTROLITIC
C103, C104, C107, C11, C112,
C116, C12, C120, C203, C204,
C207, C212, C216, C220, C7, C8
49-25152 2 EACH 220PF SMT 5% CERAMIC 0805
C113, C213
49-33212 2 EACH 0.0033UF SMT 10% FILM 0805 50
C108, C208
49-33312 2 EACH 0.033UF SMT 10% FILM 0805 50V
C109, C209
49-39052 6 EACH 39PF SMT 5% CERAMIC 0805
C101, C102, C114, C214, C201
C202
49-47312 2 EACH 0.047UF SMT 10% FILM 0805 50V
C117, C217
49-82052 7 EACH 82PF SMT 5% CERAMIC 0805
C105, C115, C205, C215, C14,
C106, C206
55-04705 4 EACH RES .47 OHM 5W 10% SB
R130, R131, R230, R231
58-00035 4 EACH 0.0 SMT JUMPER 1206
R129, R229, R26, R30
58-10025 5 EACH 100.5 SMT .25W 1206 1%
R10, R123, R124, R223, R224
58-10035 1 EACH 1K SMT .25W 1206 1%
R112, R115, R116, R212, R215,
R216, R29, R113, R213, R117, R217
58-10045 3 EACH 10K SMT .25W 1206 1%
R122, R13, R222, R20, R21
R100, R101, R102, R103,
R200, R201, R202, R203
58-10055 7 EACH 100K SMT .25W 1206 1%
R108, R208, R114, R214, R125,
R225, R138
58-10065 2 EACH 1M SMT .25W 1206 1%
R19, R22
58-15035 2 EACH 1.5K SMT .25W 1206 1%
R141, R241
58-15045 2 EACH 15K SMT .25W 1206 1%
R28, R11
58-15055 4 EACH 150K SMT .25W 1206 1%
R109, R209, R110, R210
58-22025 2 EACH 220.5 SMT .25W 1206 1%
R121, R221
58-22035 11 EACH 2.2K SMT .25W 1206 1%
R118, R119, R126, R133, R139,
R15, R218, R219, R226, R233,
R239
58-22045 3 EACH 22K SMT .25W 1206 1%
R27, R134, R234
58-22055 2 EACH 220K SMT .25W 1206 1%
R111, R211
58-27025 2 EACH 270.5 SMT .25W 1206 1%
R128, R228
58-33025 1 EACH 330.5 SMT .25W 1206 1%
R24
58-33035 1 EACH 3.3K SMT .25W 1206 1%
R14
58-33045 2 EACH 33K SMT .25W 1206 1%
R132, R232
58-36055 1 EACH 365K SMT .25W 1206 1%
R12
58-39035 1 EACH 3.9K SMT .25W 1206 1%
R25
58-47025 1 EACH 470.5 SMT .25W 1206 1%
R16
58-47035 2 EACH 4.7K SMT .25W 1206 1%
R5, R18
58-47045 17 EACH 47K SMT .25W 1206 1%
R104, R105, R106, R120, R135,
R137, R17, R204, R205, R206,
R220, R23, R235, R237, R238
R136, R236
58-47055 2 EACH 470K SMT .25W 1206 1%
R140, R240
58-56025 2 EACH 560.5 SMT .25W 1206 1%
R107, R207
58-68025 6 EACH 680 SMT .25W 1206 1%
R127, R227, R4, R1, R2, R3
58-91025 4 EACH 910.5 SMT .25W 1206 1%
R6, R7, R8, R9
60-00083 2 EACH TRANSISTOR 15A 100V NPN
Q18, Q28
60-00084 2 EACH TRANSISTOR 15A 100V PNP
Q19, Q29
60-55500 4 EACH TRANS 2N5550 HV NPN 250V
T0-92 Q5, Q6, Q17, Q27
60-75200 4 EACH DIODE GEN RECT MR752 6A 200V
D1, D2, D3, D4
60-75320 3 EACH LED RED DIFFUSED 3MM T-1.00
D12, D100, D200
60-75330 2 EACH LED GREEN DIFFUSED 3MM T-1.00
D102, D202
60-75340 1 EACH LED YELLOW DIFFUSED 3MM T-1.00
D5
60-78120-1 1 EACH EGULATOR VOLTAGE 12 (PREPPED)
Q1
60-79120-1 1 EACH REGULATOR VOLTAGE 12 (PREPPED)
Q2
62-00014 2 EACH MMBTA14 SOT-23 SMT
Q102, Q202
62-19140 12 EACH 1N914 HI SPD SMT 250mW DIODE
D10, D101, D103, D104, D11,
D201, D203, D204, D214, D7,
D8, D9
62-45650 3 EACH NJM4565 SMT DUAL HI FREQ
A1, A2, A3
62-04739 1 EACH SMT DIODE ZENER 4739
Z1
62-54001 14 EACH MMBT5401LT1 PNP SOT-23 SMT
Q10, Q11, Q12, Q13, Q16, Q20,
Q21, Q22, Q23, Q26, Q3, Q4
Q100, Q200
62-55500 6 EACH MMBT5550 NPN SOT-23
Q201, Q101, Q14, Q15, Q24, Q25
70-21050 1 EACH FUSE ABC 5.00A FAST 6.35X32MM
F1
70-05713 2 EACH RELAY SPDT 12A@120VAC/24V COIL
K1, K2
71-09251 2 EACH POT 9 D-P 25F B10K THREAD BSH
P1, P2
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
SAFETY INSTRUCTIONS (EUROPEAN)
The conductors in theAC power cord are colored in accordance with the following code.
GREEN & YELLOW—Earth BLUE—Neutral BROWN—Live
U.K. MAIN PLUG WARNING: A molded main plug that has been cut off from the cord is
unsafe. NEVERUNDERANYCIRCUMSTANCESSHOULD YOUINSERTADAMAGED
OR CUT MAIN PLUG INTO A POWER SOCKET.
IMPORTANT! FOR YOUR PROTECTION, PLEASE READ THE FOLLOWING:
WATER AND MOISTURE: Appliance should not be used near water (near a bathtub, washbowl,
kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc). Care should be taken
so that objects do not fall and liquids are not spilled into the enclosure through openings.
POWERSOURCES: Theproduct shouldbeconnectedtoa powersupplyonly ofthe typedescribed
in the operating instructions or as marked on the appliance.
GROUNDING OR POLARIZATION: Precautions should be taken so that the grounding or polar-
ization is not defeated.
POWER CORD PROTECTION: Power supply cords should be routed so that they are not likely
to be walked on or pinched by items placed upon or against them, paying particular attention
to cords at plugs, convenience receptacles, and the point where they exit from the appliance.
SERVICING: The user should not attempt to service the appliance beyond that described in the
operating instructions. All other servicing should be referred to qualified service personnel.
FUSING: If your unit is equipped with a fuse receptacle, replace only with the same type fuse.
Refer to replacement text on the unit for correct fuse type.
REFER SERVICING TO QUALIFIED SER-
VICE PERSONNEL! THIS UNIT CON-
TAINS HIGH VOLTAGE INSIDE!
CAUTION
RISK OF ELECTRIC SHOCK
REPLACEMENT PARTS LIST FOR DCM AMPS
This symbol is intended to
alert the user to the pres-
ence of uninsulated “dan-
gerous voltage” within the
product’s enclosure that may be of suf-
ficient magnitude to constitute a risk of
electric shock to persons.
This symbol is
intended to alert the
user to the presence of
important operating
and maintenance (servicing) instruc-
tions in the literature accompanying
the appliance.
LIMITED WARRANTY
Your Carvin product is guaranteed against failure for ONE YEAR. Carvin will service and supply all
partsatnochargetothecustomerprovidingtheunitisunderwarranty. Shippingcostsaretherespon-
sibility of the customer. CARVIN DOES NOT PAY FOR PARTS OR SERVICING OTHER THAN OUR
OWN. A COPY OF THE ORIGINAL INVOICE IS REQUIRED TO VERIFY YOUR WARRANTY. Carvin
assumes no responsibility for horn drivers or speakers damaged by this unit. This warranty does
not cover, and no liability is assumed, for damage due to: natural disasters, accidents, abuse, loss
of parts, lack of reasonable care, incorrect use, or failure to follow instructions. This warranty is in
lieu of all other warranties, expressed or implied. No representative or person is authorized to rep-
resent or assume for Carvin any liability in connection with the sale or servicing of Carvin products.
CARVIN SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.
When RETURNING merchandise to the factory, you may call for a return authorization number.
Describe in writing each problem. If your unit is out of warranty, you will be charged the current
FLAT RATE for parts and labor to bring your unit up to factory specifications.
HELP SECTION
1) WILL NOT TURN ON
Check the power to the unit. Check for tripped circuit breakers, unplugged extension cords or
power-strip switches that may be turned off. Check the fuse. If a dark brownish color or no wire
can be seen within the glass fuse, then replace. The unit may be perfectly fine but occasionally
the fuse may blow because of high AC voltage surges. After the fuse has been replaced with the
proper value and if the fuse fails again, the product will require servicing (be sure to use a slow
blow fuse if required). Check your input and speaker output cables.
2) MAINTAINING YOUR EQUIPMENT
Avoidspilling liquids or allowing anyotherforeign matter inside the unit. The panel of your unitcan
be wiped from time to time with a dry or slightly damp cloth in order to remove dust and bring back
the new look. As with all pro gear, avoid prolonged use in caustic environments (salt air). When
used in such an environment, be sure the amplifier is adequately protected by rack, covers, etc..