Gemini X4, X3, X2, X1 User Manual

SERVICE MANUAL

X1 / X2 / X3 / X4

PROFESSIONAL AMPLIFIERS

Diagrams………………………………………… Page 2 Features, Operating Instructions………………. Page 3 Specifications……………………………………. Page 5 Troubleshooting…………………………………. Page 6 Parts List…………………………………………. Page 7 Schematics………………………………………. Page 20

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X1 / X2 / X3

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INTRODUCTION

Congratulations on purchasing a Gemini Power Amplifier. This state of the art power arnplifier includes the latest features and is backed by a three year limited warranty. Prior to use, we suggest that you carefully read all the instructions.

FEATURES

• State of the art bi-polar output stage technology for the finest sound quality and reliability

• High output power to drive professional loudspeakers without clipping

• Comprehensive protection circuity (Short Circuit, DC, Thermal Cut-off, Sub/Ultrasonic Frequency Filters, Turn-on Delay, Main Fuse, Secondary DC Fuses)

• Three modes of operation - stereo, parallel mono and mono bridge

• Active 1/4" Jack balanced/unbalanced inputs

• Ground lift switch for flexibility in installations

• Signal LEDs and Clip LEDs for better control on X1, X2, X3 amplifers

• Large VU-meters and Clip LEDs for better control on X4 amplifier

• Efficient dual aluminum extrusion heatsink design with directly mounted output transistors for no-fault operation

• Efficient air guide with front-to-rear airflow for thermal stability and reliability

• Compact 2U well balanced enclosure (3U for X4 model)

• Steel reinforced chassis construction for durability and longevity

WORDS TO THE WISE

1. Read all operating instructions before using this equipment.

2. To reduce the risk of electrical shock, do not open the unit. There

are NO USER REPLACEABLE PARTS INSIDE. Please contact the Gemini Service Department or your authorized dealer to speak to a qualified Gemini Sound Products technician.

3. Be sure to allow adequate front and rear ventilation to avoid

possible heat damage to your equipment.

4. Be sure that AC power is OFF and all level controls are set to

MINIMUM before making connections. This will eliminate any chance of unexpected, loud audio transients that could damage your speaker systems.

In the USA: If you experience problems with this unit,

please call 1 (732) 738-9003 for Gemini Customer Service.

Do not attempt to return this equipment to your dealer.

5. Be sure that AC power is OFF when changing modes of operation

and when changing the position of the ground lift switch.

6. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. Operators of

electronic equipment should in no way be in contact with water.

7. When connecting to AC power line be sure you haven’t lost the

ground connection by using an adapter or extension cord without a 3 prong plug.

8. DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY

CONTROLS OR SWITCHES.

CONNECTION, CONTROLS AND INDICATORS

Rear panel Input Section:

1/4" Phone lnput Jacks (1, 2): accept a balanced as well as an

unbalanced line level signal. The unbalanced line uses a standard tip-sleeve connection. The tip is positive and the sleeve is negative or ground. The balanced line uses a tip-ring-sleeve connection. Tip is hot or positive (+), ring is cold or negative (-), and sleeve is shield or ground.

Operation Mode Switch (3): switch is used to set the unit for Stereo

mode, Parallel Mono mode or Mono Bridge mode.

AC Power Section:

Fuse (8): replace fuse with those of proper type and rating.

Ground Lift Switch (4) is used to lift the ground from the chassis, see the Ground Lift Switch Instructions for more detail.

AC Inlet (16) is used to attach the power cord to the unit. AC line voltage switch (17) allows reconfiguring amplifier for either

110-120V or 220-240V AC lines.

Output Section:

Disconnect unit from the AC power source before making any connections. Pay close attention to polarity (shown on the back of the unit) when connecting your speakers. Connecting your speaker systems using the wrong polarity will not damage your speakers, but will impact the quality of the sound (lack of bass and incorrect stereo image).

Speaker Outputs (5,6,7): the speaker output connectors are 3-way

binding posts that will accept a standard banana plug, spade lugs, or bare wire. Make sure that all the connections are clean when using bare wire connections. If any strands of wire from one connector touch the adjacent connector, the sound will distort, and your amplifier will overheat and go into protection mode.

NOTE: Total speaker impedance must not be lower than 4 Ohm per channel for Stereo and Parallel Mono modes, and 8 Ohm for Mono Bridge mode.

Front Panel

Power Switch (9) : turns the unit on and off. Power LED (10): the power LED lights when the power is on. If the

power LED does not light, refer to the troubleshooting guide.

Signal LED (13): the signal LEDs for each channel show when a signal

is present. In Mono Bridge mode, both the channel 1 LED and the channel 2 LED will light in unison.

Clip LED (14): the amplifier has true clip LEDs to help you properly

control the amplifier’s output and achieve undistorted sound. The clip LEDs for each channel light when your signal level is so strong that the distortion occurs. The clip LED should not remain constantly on or flash repeatedly during operation. For clean sound reproduction, the clip LED should only light occasionally for an instant. If the LED remains on or flashes repeatedly, you will hear distorted sound that can be damaging to your speaker systems. If this occurs, reduce the signal level by lowering the input level control for the channel that is clipping or reduce the level at the source. If the clip LED lights when no signal is present, it may indicate an RF signal on the output which may cause damage to speakers (the RF signal will not be audible). Please note that when you are using the amplifier in the Mono Bridge mode, both clip LEDs of the bridged channels will operate simultaneously.

Protect LED (11): when you first turn on the amplifier, the protect LEDs

light briefly during a turn-on delay which indicates that the outputs are disconnected internally. There will be an audible click when the outputs reconnect and the protect LED will turn off. Otherwise, the protect LED indicates that there is a problem either in the amplifier’s external connections, load or temperature conditions or its internal

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functions. If one of these situations occurs, the amplifier senses the problem and automatically switches into protection mode. The LED will light to warn you of the trouble and the amplifier will stop working. If this occurs, switch off the amplifier and refer to the Troubleshooting Guide. If the protect LED remains lit when resuming amplifier operation, do not use the amplifier and contact an authorized service technician.

Level Controls (12,15): establish the input levels required for each

channel. Only the Channel 1 Level Control (15) works in Mono Bridge mode.

OPERATION

THE AMPLIFIER’S POWER MUST BE TURNED OFF WHEN CHANGING MODES OF OPERATION.

Stereo Operation

The unit has two channels for stereo operation. Each channel provides a separate and discrete signal at the speaker outputs according to the signal received at the inputs. The following instructions are for applications with 4 Ohm or 8 Ohm speakers of matched power ratings.

1. With the power off, set the OPERA TION MODE SWITCH (3) to the

STEREO position.

2. With the power off, connect your input cables to the channel 1 and 2

inputs using the 1/4" INPUT JACKS (1, 2) of each channel.

3. Connect the loudspeakers to the channel 1 and channel 2 SPEAKER

OUTPUTS (5,7). THE TOT AL SPEAKER LOAD MUST BE A T LEAST 4 OHMS PER CHANNEL. If you try to operate at a lower impedance, the amplifier will go into protection mode and stop operation until you correct the load conditions.

4. With the LEVEL CONTROLS (12,15) of both channels set to zero

(fully counterclockwise), turn the POWER SWITCH (9) on. Apply a signal to the input of the amplifier. The level of the input signal should be as high as you will ever need it to be. This way, it will be as high above the amplifier’s noise floor as possible, ensuring an excellent performance and signal to noise ratio. Adjust the LEVEL CONTROLS for each channel to achieve the desired maximum listening level. Note, when the clip LEDs light, there is distortion present in the amplifier’s output section. If a clip LED remains on or flashes repeatedly, reduce the signal level by lowering the input level control for the channel that is clipping or reduce the level at the source.

Parallel Mono Operation

Follow these instructions for Parallel Mono Operation using a single input cable, and you will have the same monophonic signal on both the channel 1 and the channel 2 outputs. Each channel’s output is controlled independently by that channel’s level control.

1. With the power off, set the OPERA TION MODE SWITCH (3) to the

PARALLEL Mono position.

2. With the power off, connect your input cables to the channel 1 input

only using the 1/ 4" INPUT JACK (1) of channel 1.

3. Connect the loudspeakers to the channel 1 and channel 2 SPEAKER

OUTPUTS (5, 7). THE TOTAL SPEAKER LOAD MUST BE AT LEAST 4 OHMS PER CHANNEL. If you try to operate at less than 4 Ohms per channel, the amplifier will go into the protection mode and stop operation until you correct the load conditions.

4. With the LEVEL CONTROLS (12,15) set to zero (fully

remains on or flashes repeatedly, reduce the signal level by lowering the input level control for the channel that is clipping or reduce the level at the source.

Mono Bridge Operation

Follow these instructions to bridge the unit’s output. Bridging the amplifier converts the unit to a monophonic or single channel amplifier. The amplifier can be used with 8 Ohm or higher loads only in Mono Bridge mode. This mode is used to provide a higher voltage with greater headroom to your speaker. Before setting your amplifier for Mono Bridge operation, make sure that your speaker can handle the high power level provided by the amplifier in Mono Bridge mode.

CAUTION: VOLT AGE OVER 100 VOLTS MA Y BE PRODUCED A T THE BRIDGE OUTPUT TERMINALS IN THIS MODE.

1. With the power off, set the OPERA TION MODE SWITCH (3) to the

BRIDGE position.

2. With the power off, connect your input cables to channel 1 input only

using the 1/4" INPUT JACK (1) of channel 1.

3. Connect the loudspeaker to the BRIDGE SPEAKER OUTPUT (6) only.

Be sure the polarity of your connection is correct. The total speaker load must be at least 8 Ohms or above. If you try to operate at less than 8 Ohms in the Mono Bridge mode, the amplifier will go into the protection mode and stop operation until you correct the load conditions.

4. With the CHANNEL 1 LEVEL CONTROL (15) set to zero (fully

counterclockwise), switch the power on. Apply a signal to the input. The level of the input signal should be as high as you will ever need it to be. This way, it will be as high above the amplifier’s noise floor as possible, ensuring an excellent performance and signal to noise ratio. Adjust the LEVEL CONTROL (15) for channel 1 to achieve the desired maximum listening level. Note, when the clip LEDs light, there is distortion present in the amplifier’s output section. If a clip LED remains on or flashes repeatedly, reduce the signal level by lowering the input level control for channel 1 or reduce the level at the source. During Mono Bridge operation, the channel 2 level is inactive, however, both channels LEDs will flash simultaneously and show output conditions.

Using the Ground Lift Switch

Depending on your system configuration, sometimes applying the ground will create a quieter signal path. Sometimes lifting the ground can eliminate ground loops and hum to create a quieter signal path.

1. With the power amp on, listen to the system in idle mode (no signal

present) with the ground applied (the GROUND LIFT SWITCH (4) in the left position).

2. Turn the power off before moving the GROUND LIFT SWITCH (4). Lift

the ground by moving the GROUND LIFT SWITCH to the right, turn the power back on and listen to determine which position will provide a signal free of background noise and hum. Keep the GROUND LIFT SWITCH in the ground position if the noise level remains the same in either position.

CAUTION: DO NOT TERMINATE THE AC GROUND ON THE POWER AMPLIFIER IN ANY WA Y. TERMINATION OF THE AC GROUND CAN BE HAZARDOUS.

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SPECIFICA TIONS

X1 X2 X3 X4

Output Power EIA:

1kHz @ 1% THD, Wrms

Both Channels Driven 8Ω 85 140 200 200 Both Channels Driven 4Ω 110 200 300 300 Mono Bridge 8Ω 220 400 600 600 Dynamic Headroom, dB: At8Ω 1.4 1.5 1.6 1.6 At4Ω 1.9 2.0 2.2 2.2

Frequency Response ....................................................... 30 Hz - 50 kHz

Total Harmonic Distortion ......... Iess than 0.05%, typical 0.02% at 1 kHz

Signal to Noise ratio .......................... 100 dB below rated power @ 8 Ω

Damping factor.................................................... greater than 200 @ 8Ω

Slew rate ..................................................................................... 20 V/µS

Voltage gain, dB 28 30 32 32

Input Sensitivity (for rated power at 8 Ω) .................................... 1 Vrms

Input Impedance Unbalanced ..........................................................10 kΩ

Input Impedance Balanced .............................................................. 20 kΩ

Power consumption, W 500 800 1200 1200

(at rated power at 4Ω, both channels driven)

AC Power Requirements ...... 110-120 V / 60 Hz and 220-240 V / 50 Hz

Indicators .............................................................................1 Power LED

1 Protect LED

1 Signal LED per Channel (for X1, X2, X3)

1VU-meter per Channel (for X4)

Cooling ......................................................Fan, Front-to-Rear Forced Air

Protection ...........................................Short Circuit, DC, Thermal Cut-off,

Sub/Ultrasonic Frequency Filters,

Turn-on Delay, Main Fuse, Secondary DC Fuses Connectors:

Balanced/ Unbalanced lnputs.................................................... 1/4" Jack

Speaker Outputs ..................................................... 5-way Binding Posts

Dimensions:

X1, X2, X3 ........................19"W x 10.75"D x 3.5"H (483 x 273 x 89 mm)

X4 .................................19"W x 10.75"D x 5.25"H (483 x 273 x 133 mm)

Weight 16.3 Ibs 17.8 Ibs 20.2 Ibs 21.6 Ibs

7.4 kg 8.1 kg 9.2 kg 9.8 kg

*Specifications and design are subject to change without notice for purpose of improvement

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TROUBLESHOOTING

SYMPTOM

UNIT DOES NOT PRODUCE SOUND. POWER LED DOES NOT LIGHT.

POWER LED LIGHTS, BUT NO SOUND IS PRODUCED BY AMPLIFIER.

SOUND IS PRESENT BUT VOLUME IS TOO LOW EVEN THOUGH SOURCE DEVICE IS SET TO A HIGH LEVEL. LOUD 50/60 HZ OR 100/120 HZ HUM IS HEARD AT ALL TIMES THROUGH THE SPEAKER SYSTEMS.

SOUND IS DISTORTED.

PROTECT LED REMAINS LIT OR GOES ON AND OFF INTERMITTENTLY AFTER USING AMPLIFIER FOR A SHORT TIME.

FUSE BLOWS INTERMITTENTLY.

PROTECT LED STAYS ON WITH NO SPEAKERS CONNECTED AND WITH THE AMPLIFIER COOLED DOWN.

CAUSE

• POWER SWITCH NOT IN ON POSITION.

• POWER CABLE NOT CONNECTED TO AMPLIFIER OR TO OUTLET.

• AC OUTLET NOT ACTIVE.

• MAIN AMPLIFIER FUSE DEFECTIVE

• NO INPUT SOURCE SIGNAL.

• INPUT SOURCE NOT CONNECTED.

• INPUT CONNECTING CABLE DEFECTIVE.

• SPEAKER(S) NOT CONNECTED.

• SPEAKER CABLE DEFECTIVE.

• SPEAKER SYSTEM(S) INOPERATIVE.

• AMPLIFIER’S LEVEL CONTROLS ARE SET TO ZERO

• AMPLIFIER INPUT LEVEL CONTROLS ARE SET TOO LOW.

• WRONG PIN CONNECTIONS IN CABLES.

• IMPROPER OR DEFECTIVE GROUND CONNECTION AT INPUTS. IMPROPER OR DEFECTIVE GROUND AT INPUT SOURCE DEVICE(S).

• IMPROPER OR DEFECTIVE GROUND CONNECTION ON AC OUTLET.

• GROUND LOOP THROUGH AC LINE CONNECTION/ RACK MOUNTING.

• DISTORTION OCCURRING IN SOURCE DEVICE.

• INPUT LEVEL IS SET TOO HIGH.

• UNIT IS OPERATING AT EXCESSIVELY HIGH TEMPERATURE.

• EXTREMELY LOW SPEAKER IMPEDANCE.

• SHORT IN SPEAKER CONNECTORS, SPEAKER CABLE OR SPEAKER SYSTEM.

• SPEAKER LOAD IMPEDANCE IS TOO LOW.

• TYPE OR RATING OF THE FUSE IS NOT CORRECT.

• FAILED AMPLIFIER.

SOLUTION

• MOVE POWER SWITCH TO ON POSITION.

• CONNECT POWER CABLE TO AC SUPPLY.

• CHECK CONDITION OF OUTLET.

• REPLACE AMPLIFIER MAIN POWER FUSE ON REAR PANEL WITH CORRECT TYPE AND RATING.

• CHECK FOR PROPER FUNCTION OF INPUT SOURCE DEVICE.

• CHECK INPUT CABLES AND CONNECTIONS. REPLACE QUESTIONABLE CABLES WITH KNOWN GOOD CABLES.

• CHECK SPEAKER CABLES AND CONNECTIONS. REPLACE QUESTIONABLE CABLES WITH KNOWN GOOD CABLES.

• CHECK OPERATING CONDITION AND STATUS OF SPEAKER SYSTEM (S). BE SURE THE LEVEL CONTROLS ARE PROPERLY SET.

• ADJUST LEVEL CONTROLS AS PER INSTRUCTIONS.

• USE CORRECT CABLES (AS SHOWN ON BACK OF UNIT).

• CHECK FOR PROPER AC LINE GROUND ON POWER AMP AND ALL INPUT DEVICES.

• CHECK INPUT CABLES FOR ALL SOURCE DEVICES AND SIGNAL PROCESSING AS WELL AS INPUT CABLES TO POWER AMPLIFIER. CHECK POSITION OF GROUND LIFT SWITCH AS PER INSTRUCTIONS FOR LIFTING THE GROUND.

• NEVER LIFT THE AC LINE GROUND ON THE POWER AMPLIFIER. IF YOU ARE NOT TOTALLY FAMILIAR WITH GROUND LIFTING OR UNIFICATION PROCEDURES, DO NOT ATTEMPT THEM WITHOUT FIRST CONSULTING YOUR DEALER OR A QUALIFIED SOUND TECHNICIAN FOR MORE INFORMATION ON GROUNDING. IMPROPERLY DONE, SUCH PROCEDURES CAN POSE A SAFETY AND / OR FIRE HAZARD.

• CHECK CLIP INDICATORS ON INPUT SOURCE DEVICES AND RESET LEVELS IF NECESSARY TO ELIMINATE DISTORTION.

• ADJUST LEVEL CONTROLS AS PER INSTRUCTIONS.

• CHECK THAT AMPLIFIER IS ADEQUATELY VENTILATED ON THE FRONT AND REAR PANELS WHERE THE AIR VENTS AND FANS ARE LOCATED. IF OVERHEATED, LET THE AMPLIFIER COOL DOWN BEFORE APPLYING AN INPUT SIGNAL.

• CHECK THE POSITION OF OPERATION MODE SWITCH. BE SURE THAT THE SPEAKER CONNECTIONS ARE MADE IN ACCORDANCE WITH THE SWITCH SETTING.

• VERIFY SPEAKER SYSTEM IMPEDANCES. BE SURE THE TOTAL SPEAKER SYSTEM IMPEDANCE IS AT LEAST 4 OHMS PER CHANNEL WHEN THE OPERATION MODE SWITCH IS IN THE STEREO POSITION OR PARALLEL MONO POSITION. IF THE SWITCH IS IN THE BRIDGE MODE, THE IMPEDANCE MUST BE AT LEAST 8 OHMS. IF YOU ARE NOT SURE OF YOUR TOTAL SPEAKER IMPEDANCE LOAD, CONTACT YOUR DEALER FOR MORE INFORMATION.

• CHECK CONDITION OF SPEAKER CABLES.

• IF USING BARE WIRE CONNECTIONS ON THE OUTPUTS OF THE AMPLIFIER, BE SURE THAT NO STRANDS FROM ONE CONNECTOR ARE TOUCHING ANY OTHER CONNECTOR.

• CHECK FOR SHORTS ON THE OUTPUTS.

• CHECK YOUR SPEAKER IMPEDANCE (INFO FROM DEALER).

• CHECK THAT THE FUSE TYPE AND RATING IS CORRECT.

• CONTACT THE GEMINI SERVICE DEPARTMENT OR YOUR AUTHORIZED DEALER TO SPEAK TO A QUALIFIED SERVICE TECHNICIAN. IN THE U.S.A. CALL TOLL FREE 1-800-476-8633

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PARTS LIST

PART# QUANTITY NAME

X-1

1 012-029 1 PANEL CONTROL 2 021-463 1 MAIN CHASSIS 3 031-048 1 TOP COVER 4 022-861 2 MOUNTING BRACKET 5 041-446 2 HEA T SINK 6 041-449 1 HEA T SINK (D) 7 151-131 1 AIR GUIDE 8 9 003-11 1 2 KNOB ROT ARY (SMALL) 10 003-612 2 SNAP RIVET 1 1 003-748 6 LED HOUSING 12 047-496 3 PCB SUPPORT 13 049-206 4 PAD FOOT 14 15 153-217 1 POLYFORM 16 196-127 3 SERIAL NO:LABEL 17 255-200 1 GIFT BOX 18 157-996 1 OWNER’S MANUAL 19 156-089 1 WARRANTY CARD 20 21 22 099-232 2 LABEL-GREEN 23 099-233 2 LABEL-RED 24 099-234 2 LABEL-YELLOW 25 099-238 2 UK LABEL 26 095-057 3 VDE LABEL 27 099-167 1 A LABEL 28 099-169 1 V LABEL 29 099-014 1 LABEL-MADE IN T AIWAN 30 099-214 1 LABEL-MADE IN CHINA 31 32 190-062 1 SILICON GEL 33 160-044 1 PE BAG 160×250mm 34 160-052 1 PE BAG 650×650mm 35 160-009 1 PE BAG 23×30cm

36 37 121-007A 10 BAND-HEAD TAPPING

SCREW BTB-3 3×6(AB)

38 1 10-138 6 BAND-HEAD T APPING

SCREW BTS-2 3×8(B)

39 1 11-046A 2 BAND-HEAD T APPING

SCREW BTS-3 3×6(AB)

40 1 10-187A 2 BAND-HEAD T APPING

SCREW/TWIN SCREW 3×12(AB)

41 1 11-044A 4 BAND-HEAD T APPING

SCREW ( “NUT” ) BTS-3 3×10(AB)

42 11 1-060 1 P AN-HEAD T APPING

SCREW PTS-3 4×8(N)

43 102-161 9 PAN-HEAD MACHINE

SCREW 3×12(Y)

44 102-162 1 PAN-HEAD MACHINE

SCREW 4×18(Y)

45 102-111 2 PAN-HEAD MACHINE

SCREW PMS 5×8(B) 46 131-081 1 NUT/WASHER3φ(B) 47 107-022A 4 BAND-HEAD MACHINE

SCREW M4×15(AB) 48 131-074 4 NUT (KNUT)4φ(B) 48-1 142-008 2 PLAIN WASHER4φ(Y) 48-2 143-008 2 SPRING WASHER4φ(Y) 49 50 170-363 1 MASTER CARTON 1 262-328 1 PRINTED CIRCUIT BOARD

X4-1 2 262-329 1 PRINTED CIRCUIT BOARD

X4-2 3 4 074-163 2 INTEGRATED CIRCUIT N

JM4558DD 5 INTEGRATED CIRCUIT OR

BA15218 6 INTEGRATED CIRCUIT OR

5218A

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7 8 076-002 6 SILICON TRANSISTORS

2SC945 (Q)(P)

9 076-003 SILICON TRANSISTORS

OR 2SC1815 (Y)(GR)

10 076-020 5 SILICON TRANSISTORS

2SA733 (Q)(P)

1 1 076-023 SILICON TRANSISTORS

OR 2SA1015 (GR)(Y) 12 13 14 15 076-1 17 2 SILICON TRANSISTOR

2SA1943(O) OR (R) 16 SILICON TRANSISTOR OR

2SA1429(O) OR (R) 17 076-1 18 2 SILICON TRANSISTOR

2SC5200(O) OR (R) 18 SILICON TRANSISTOR OR

2SD2155(O) OR (R) 19 076-099 2 SILICON TRANSISTOR

2SA1837 20 076-073 SILICON TRANSISTOR OR

2SA1306 21 076-100 4 SILICON TRANSISTOR

2SC4793 22 076-072 SILICON TRANSISTOR OR

2SC3298(Y) 23 076-101 2 SILICON TRANSISTOR

2SA1 145(Y) OR (R) 24 076-034 SILICON TRANSISTOR OR

2SA949(Y) OR (R) 25 26 076-102 4 SILICON TRANSISTOR

2SC2705(Y) OR (O) 27 076-037 SILICON TRANSISTOR OR

2SC2229(Y) OR (O) 28 076-134 1 SILICON TRANSISTOR

MPSA13 29 30 086-019 1 BRIDGE RECTIFIER

KBPC804W 31 086-512 1 RELAY SRET-202DP

32 33 079-034 4 RECTIFIER DIODE 1N4004

OR 34 079-003 16 SILICON DIODE 1N4148 35 079-012 2 ZENER DIODE 1/2W 12V

(RD12EB,HZ12B2) 36 079-019 1 ZENER DIODE 1/2W 5.6V

(RD5.6EB2) 37 079-056 2 ZENER DIODE 1/2 W 3.3V 38 079-037 1 ZENER DIODE 1/2W 22V

(RD22EB2,MTZ22B) 39 40 080-085 4 LED (RED) 5φ 41 080-110 1 LED (YELLOW) 5φ 42 080-086 3 LED (GREEN) 5φ 43 44 071-220 2 ROT ARY VR 10KA L:15MM 45 081-023 1 SLIDE SWITCH 2P2C UL 46 081-030 1 SLIDE SWITCH 47 081-041 1 SLIDE SWITCH 48 083-099 1 POWER SWITCH 49 50 001-613 1 DC FAN 24V (80×80×25mm) 51 092-078 2 6.3φPHONE JACK 52 092-105 1 AC INLET (IEC

SOCKET+FUSE) 53 54 100-058 2 FUSE 20mm UL 6A AC250V 55 100-063 1 FUSE 20mm VBS UTE 4A

250V 56 100-064 1 FUSE 20mm VBS UTE 2A

250V 57 161-172 1 4P SPEAKER TERMINAL 58 161-109 4 FUSE CLIP JH-6 59 60 059-232 1 POWER TRANSFORMER

EI-86×65 61 147-024 2 COIL 1.3µH 1.0φ×9φ×9 1/2T 62 63 093-370 1 AC CORD SVT AWG 18×3C

VW-1 UL 64 093-371 1 AC CORD 220V VDE 65 093-410 1 AC CORD ARGENTINA 66 093-369 1 AC CORD 230V BS

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