Icom IC-756PROII Service Manual Download Page 30

Page: 30 / 118

4 - 10

RECEIVER ADJUSTMENTS—continued

RECEIVER
TOTAL GAIN

NOISE
BLANKER

SPECTRUM
SCOPE

ADJUSTMENT

ADJUSTMENT CONDITION

MEASUREMENT

VALUE

POINT

UNIT

LOCATION

UNIT

ADJUST

• Display freq.

: 14.100000 MHz

• [DUALWATCH] : OFF
• Mode

: USB

• Filter

: 2.4 kHz

• [AGC]

: OFF

• [P.AMP]

: OFF

• Connect an SSG to [ANT1] con-

nector and set as:

Frequency

14.101500

MHz

Level

: 160 mV* (–3 dBm)

Modulation

OFF

• Receiving

• Display freq.

: 14.100000 MHz

• [DUALWATCH] : OFF
• Mode

: USB

• [AGC]

: MID

• [P.AMP]

: P.AMP1

• [NB]

: OFF

• [NB LEVEL]

: 50%

• Connect an SSG to [ANT1] con-

nector and set as:

Frequency

14.101500

MHz

Level

: 5.6 µV* (–92 dBm)

Modulation

OFF

and apply following signal to [ANT1]

connector.

• Preset R271 on the MAIN-A unit to

the center position.

• Receiving

• [NB]

: ON

• Receiving

• Display freq.

: 14.100000 MHz

• Mode

: USB

• [DUALWATCH] : OFF
• [P.AMP]

: OFF

• [SCOPE]

: ON

• [SCOPE ATT]

: OFF

• Verify the connection of J2001 on

the RF-B unit and P801 (S3LO:
12.89000 MHz/–7 dBm) from the
PLL unit.

• Connect an SSG to [ANT1] con-

nector and set as:

Frequency

14.101500

MHz

Level

: 1 µV* (–107 dBm)

Modulation

OFF

• Receiving

• Set an SSG output level to OFF.
• Receiving

• Set an SSG output level as:

Level

: 50 mV* (–13 dBm)

• Receiving

MAIN-A

RF-B

Connect an oscil-
loscope to the check
point CP213.

Connect an oscil-
loscope to the check
point CP271.

Connect a digital
multimeter or oscil-
loscope to the check
point CP2002.

3.7 Vp-p

Maximum noise level

At the point where the
voltage just reduces.

Maximum voltage

0.1 V

4.4 V

MAIN-A

RF-B

R210

L271,
L272,

L273

R271

L2102,
L2201,

L2202

R2012

R2016

100 msec.

1 msec.

*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.

Summary of Contents for IC-756PROII

Page 1: ...HF 50MHz ALL MODE TRANSCEIVER SERVICE MANUAL ...

Page 2: ...II Top cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO NOT force any of the variable components Turn them slowly and smoothly 4 DO NOT short any circuits or electronic parts An insu la...

Page 3: ...3 8 6 PBT BOARD 8 5 8 7 RIT BOARD 8 5 8 8 MIC BOARD 8 5 8 9 MEMORY BOARD 8 5 8 10 MAIN A UNIT 8 7 8 11 DSP A BOARD 8 9 8 12 RF B UNIT 8 11 8 13 BPF A BOARD 8 13 8 14 PREAMP BOARD 8 13 8 15 PLL UNIT 8 15 8 16 PA UNIT 8 17 8 17 FILTER A UNIT 8 19 8 18 CTRL A UNIT 8 21 8 19 TUNER A BOARD 8 23 SECTION 9 BLOCK DIAGRAM SECTION 10 VOLTAGE DIAGRAMS 10 1 FRONT UNIT 10 1 10 2 DSP A BOARD 10 3 10 3 TUNER A M...

Page 4: ... 600 Ω ELE KEY connector 3 conductor 6 35 d mm 1 4 KEY connector 3 conductor 6 35 d mm 1 4 SEND connector Phono jack RCA ALC connector Phono jack RCA RECEIVER Receive system Triple conversion superheterodyne system Intermediate frequencies 1st IF 64 455 MHz 2nd IF 455 kHz 3rd IF 36 kHz Sensitivity SSB CW RTTY at 2 4 kHz bandwidth 1 8 29 99 MHz 1 0 16 µV 10 dB S N 50 0 54 0 MHz 2 0 13 µV 10 dB S N ...

Page 5: ...L1 LR 364 C MOS IC IC14 TC74AC04F Fan control circuit Q10 Q11 2SC4081 2 Q12 Q13 2SB1201 2 PA unit Cooling fan FILTER A unit TUNER A unit Antenna tuner CPU IC5 M38022M2 138FP Drive amplifier circuit Q2 Q3 2SC1972 2 Voltage regulator IC1 TA7805F IC2 TA7805S IC3 TA78T08C Common filter L501 LR 386 Common filter L502 LR 386 CTRL A unit Current transformer L1 LR 364 C MOS IC IC14 TC74AC04F Power amplifi...

Page 6: ... HSB88WS FM IF IC IC2001 TA3116FN RX 1st mixer circuit RX 2nd mixer D1752 HSB88WS TX 2nd mixer D1852 HSB88WS Reference frequency oscillator X52 CR 338 32 00056MHz RF B unit BPF A board PLL unit 1LO PLL IC IC381 IC681 LMX2306TM VCO B circuit VCO A circuit S2LO PLL IC IC901 LC7153M 1LO DDS IC IC101 IC401 SC 1246A 3LO S3LO DDS IC IC701 IC801 SC 1287 MAIN A unit Noise blanker circuit LCD contorller IC...

Page 7: ...ed band signals The RF circuit has 11 bandpass filters and 1 low pass filter 1 0 03 1 6 MHz RF B UNIT The signals pass through the low pass filter L801 L802 C802 C805 C807 attenuator R801 R803 and are then applied to the RF amplifiers Q1001 Q1002 2 1 6 60 MHz RF B UNIT AND BPF A BOARD The signals pass through the band switch D104 and high pass filter L251 L253 C251 C252 C271 C274 to sup press exce...

Page 8: ... to the noise amplifiers Q271 Q272 via the DC amplifiers Q274 Q275 The DC amplifiers function as an AGC cir cuit to reduce average noise Therefore the noise blanker function shuts off pulse type noise only 3 1 8 2ND IF CIRCUIT MAIN A UNIT The 2nd IF circuit amplifies and filters the 2nd IF signal and applies the 2nd IF signal to the 3rd mixer circuit The 2nd IF signal from the noise blanker gate D...

Page 9: ... voltage of the IF amplifier RF B unit Q1751 and IF amplifier gain is decreased 3 1 13 S METER CIRCUIT MAIN A UNIT The S meter circuit indicates the relative received signal strength while receiving by utilizing the AGC voltage which changes depending on the received signal strength A portion of the AGC bias voltage from the DSP A board is applied to the differential amplifier IC101a pin 2 where t...

Page 10: ... via the analog switch IC2201 pins 12 14 and T R switch IC2291 pins 1 7 2 When FM AM modes The audio signals from the analog switch IC2201 pin 3 are applied to the modulation adjustment pots R2227 FM mode R2229 AM mode via the limiter amplifier pre emphasis circuit only FM mode and splatter filter consist of IC2211 The level adjusted signals are applied to the dif ferential amplifiers IC2301a b af...

Page 11: ...assed through the low pass filter RF B unit L1402 L1403 C1405 C1409 and amplified at the RF amplifier RF B unit IC1401 The amplified signal is amplified again at the wide band YGR amplifier RF B unit IC201 after passing through one of 10 bandpass Refer to page 3 1 for bandpass filters used and high pass filters and is then applied to the PA unit via J201 RF B unit The signal applied from the RF B ...

Page 12: ...ture of the power amplifier exceeds the preset value The temperature protection cir cuit consists of Q10 Q13 and R50 While transmitting Q10 and Q12 are turned ON and pro vide a voltage to the cooling fan to rotate at medium speed The thermistor R50 detects the temperature of the final amplifier Q5 and activates Q11 and Q13 to accelerate the cooling fan when the detected temperature exceeds 70 C 15...

Page 13: ...llated signal is doubled at the doubler circuit Q71 Q81 and the 64 0 MHz frequency is picked up at the double tuned filter L81 L82 The 64 0 MHz signal is applied to the RF B unit as a 2nd LO signal 3 3 4 3RD LO CIRCUIT The DDS IC IC701 generates a 10 bit digital signal using the 32 MHz system clock The digital signal is converted into an analog wave signal at the D A converter R701 R720 The conver...

Page 14: ...l level input 3 Resistance components detector Resistance components are picked up by L8 and detected by D8 D9 and Q5 The detected resistance components are amplified at the inverter amplifier IC4a and then applied to the antenna tuner CPU IC5 pin 1 3 4 3 MOTOR CONTROL CIRCUIT CTRL A AND TUNER A UNITS The control circuit of the internal antenna tuner consists of the CPU EEPROM Electronically Erasa...

Page 15: ...01 R820 The converted analog wave is passed through the bandpass filter L802 L803 C809 C813 then applied to the RF B unit via J801 after being amplified at the buffer amplifier Q802 3 6 POWER SUPPLY CIRCUITS 3 6 1 PA UNIT 3 6 2 FRONT UNIT SCOPE CIRCUIT DIAGRAM RF B unit 1st mixer A Q1203 Q1206 Q2202 to 2nd mixer circuit to the MAIN A unit SCPL signal Q2201 D2101 FI2003 FI2002 Ceramic BPF Ceramic B...

Page 16: ...gnals are applied Input port for the TWIN PBT outer control PBT board S1 outer Input port for data signal from the main CPU MAIN A unit IC3501 Outputs data signal for the main CPU MAIN A unit IC3501 A D input port for the BAL control R702 inner A D input port for the NR control R702 outer A D input port for the MIC GAIN control R712 Input port for the RF POWER con trol R714 Input port for the COMP...

Page 17: ...2 Pin Port Description number name 78 79 85 86 96 97 98 101 105 106 107 108 109 110 111 112 115 116 Outputs data signal for the DDS cir cuits PLL unit IC101 IC401 Outputs clock signal for the DDS cir cuits PLL unit IC101 IC401 Input ports for the CPU system clock oscillator X3501 19 6608 MHz Outputs reset inhibit signal for the LCD controller IC3551 I O expander IC3652 IC3654 and etc Outputs data ...

Page 18: ...tch Q122 control signal High While 20 0 44 999999 MHz band is displayed on the main band Outputs the LO switch Q123 control signal High While 8 0 19 999999 MHz band is displayed on the main band Outputs the LO switch Q126 control signal High While 0 03 7 999999 MHz band is displayed on the main band MAKS PAMT PAFS VA4S VA3S VA2S VA1S Pin Port Description number name 68 70 71 73 74 75 Outputs LO mu...

Page 19: ... MHz is selected 13 B5WS Outputs a bandpass filter select signal High When 6 0 6 999999 MHz or 7 3 7 999999 MHz band is selected 14 B4S Outputs a bandpass filter select signal High When 4 0 5 999999 MHz is selected 4 CTRL A board IC11 7 RF B unit IC403 Pin number Port name Description 4 AT1S Outputs control signal for the attenuator circuit RL102 R102 R106 R111 Low When 6 dB attenuator is ON 5 AT2...

Page 20: ...PS SSTB VCS ESTA DSFR DSFW Pin Port Description number name 4 6 7 12 14 Outputs control signal for the noise blanker switch Q3751 Q3752 High When the NB switch is ON except in FM mode Outputs audio select signal for the TX monitor function High During monitoring in SSB or RTTY mode Outputs audio select signal for the TX monitor function High During monitoring in AM or FM mode Outputs analog switch...

Page 21: ...e 1 A 30 A RF voltmeter Frequency range Measuring range 0 1 100 MHz 0 01 10 V Spectrum analyzer Measuring range Spectrum bandwidth At least 90 MHz 100 kHz or more Modulation analyzer Frequency range Measuring range At least 90 MHz 0 100 Attenuator Power attenuation Capacity 50 or 60 dB 150 W or more Distortion meter Frequency range Measuring range At least 90 MHz 0 100 External speaker Resistance ...

Page 22: ...SB Receiving Display freq 60 000000 MHz Mode USB Receiving Sub display freq 0 030000 MHz 7 999999 MHz 8 000000 MHz 19 999999 MHz 20 000000 MHz 44 999999 MHz 45 000000 MHz 60 000000 MHz Receiving Display freq Any Receiving Display freq Any Receiving PLL PLL PLL PLL PLL PLL PLL PLL PLL Connect a frequency counter to the check point P81 Connect an RF volt meter to the check point P81 Connect a digita...

Page 23: ...oint C154 LPL A lock voltage adkustment P801 3LO output level check point P651 1LO B output level check point LVB VCO B lock voltage check point P901 S2LO output level check point P701 S3LO output level check point PLL unit Bottom view of the transceiver PLL unit PLL ADJUSTMENTS continued S2LO OUTPUT LEVEL MARKER OUTPUT LEVEL ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUE POINT UNIT ...

Page 24: ... TUNER OFF METER METER Po MONITOR OFF Apply no audio signals to MIC connector Transmitting MAIN A C o n n e c t a d i g i t a l multimeter or oscil loscope to the check point CP243 0 06 V MAIN A R247 2 Connect an audio generator to MIC connector and set as Frequency 1 5 kHz Level 1 mVrms Transmitting Rear panel Connect an RF power meter to ANT1 con nector 50 W Front panel MICGAIN control 3 Transmi...

Page 25: ...nt R11 Idling current adjustment for drivers R18 Idling current adjustment for finals W29 Idling current check point for drivers L4 RL1 Ammeter W29 Unsoldering here Ammeter Unsoldering here TX peak adjustment L1701 L1702 L1553 L1801 PA unit MAIN A unit Top view of the transceiver PA unit RF B unit Bottom view of the transceiver RF B unit Bottom view of the transceiver MAIN A unit ...

Page 26: ...lay freq 14 100000 MHz RF POWER Max CW Mode AM MIC GAIN Center Apply no audio signals to MIC connector Transmitting Display freq 14 10000 MHz Mode AM MIC GAIN Center RF POWER Max CCW Connect an audio generator to MIC connector and set as Frequency 1 kHz Level 10 mVrms Rear panel Rear panel Rear panel Rear panel Rear panel Rear panel Connect an amme ter between power s u p p l y a n d t h e IC 756P...

Page 27: ...1 Ic APC check point R545 Ic APC adjustment R507 R509 50 MHz band output power adjustment HF bands output power adjustment R510 AM carrier adjustment DSP A board Bottom view of the transceiver MAIN A unit DSP A board MAIN A unit Bottom view of the transceiver MAIN A unit ...

Page 28: ...Mode USB BAL Max CW Set an SSG as Level 10 µV 87 dBm Receiving Rear panel C o n n e c t a n A C millivoltmeter to EXT SP connector with an 8 Ω load Minimum audio output level RF B L1011 C1036 Adjust L1011 to upper side of 2 peak points FM DISTOR TION 1 Display freq 14 100000 MHz DUALWATCH OFF Mode FM Filter 15 kHz P AMP P AMP1 Connect an SSG to ANT1 con nector and set as Frequency 14 100000 MHz Le...

Page 29: ...ak adjustment Mixer balance adjustment FM distortion adjustment Mixer ballance check point RX peak adjustment R1007 L113 L141 L112 L111 R1207 J1651 L1752 RF B unit MAIN A unit Bottom view of the transceiver RF B unit Bottom view of the transceiver MAIN A unit ...

Page 30: ...eiving NB ON Receiving Display freq 14 100000 MHz Mode USB DUALWATCH OFF P AMP OFF SCOPE ON SCOPE ATT OFF Verify the connection of J2001 on the RF B unit and P801 S3LO 12 89000 MHz 7 dBm from the PLL unit Connect an SSG to ANT1 con nector and set as Frequency 14 101500 MHz Level 1 µV 107 dBm Modulation OFF Receiving Set an SSG output level to OFF Receiving Set an SSG output level as Level 50 mV 13...

Page 31: ...r adjustment CP271 Noise blanker check point R271 L272 L273 L271 L2102 L2201 L2202 R2012 R2016 CP2002 Spectrum scope check point J2001 Spectrum scope pre setting Spectrum scope adjustment Bottom view of the transceiver RF B unit Bottom view of the transceiver MAIN A unit RF B unit MAIN A unit ...

Page 32: ... Connect a digital multimeter or oscil loscope to the check point J14 Minimum voltage CTRL A C3 Connect a 50 Ω dummy load to ANT1 connector Transmitting ADJUSTMENT CONDITION DISPLAY OPERATION 2 Enter the tuner adjustment mode q Turn power OFF w T e r m i n a t e t h e R E M O T E j a c k w i t h a 3 5 d mm mini plug e While pushing FILTER and EXIT SET turn power ON TUNER ADJUSTMENT MODE Push F5 ST...

Page 33: ...step 6 METER POWER S 20 Set the analog meter to S9 20 position using the tuning dial Then push F 5 SET to store the S9 20 meter into memory and go to the next step 7 METER POWER S9 40 Set the analog meter to S9 40 position using the tuning dial Then push F 5 SET to store the S9 40 meter into memory and go to the next step 8 METER SCALE S9 60 Set the analog meter to S9 60 position using the tuning ...

Page 34: ... next step ALC METER 12 TX ALC Push F 5 SET to store the ALC meter into memory and go to the next step DRIVELEVEL 13 TX DRIVE Push F 5 SET to store the DRIVE meter into memory and go to the next step SWRMETER 14 TX SWR Push F 5 SET to store the SWR meter into memory and returns to the opening display RX METER ADJUSTNET SCOPE SCALE 1 Push F 3 RX to enter the RX meter adjustment Connect an SSG to AN...

Page 35: ... ERJ3GEYJ 102 V 1 kΩ B 105 41 5 R209 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ B 104 36 1 R210 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ B 103 6 38 8 R211 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ B 103 2 41 5 R212 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ B 111 1 27 5 R213 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ B 111 1 31 7 R214 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ B 111 33 8 R215 7030003640 S RES ERJ3GEYJ 473 V 47...

Page 36: ...182 7 20 R709 7030003560 S RES ERJ3GEYJ 103 V 10 kΩ T 221 6 42 5 R711 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ T 212 10 R712 7210002630 VAR EVU FLAE02 B14 10KB B 210 7 5 5 R713 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ T 198 10 R714 7210002630 VAR EVU FLAE02 B14 10KB B 196 7 5 5 R715 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ T 184 10 R716 7210002630 VAR EVU FLAE02 B14 10KB B 182 7 5 5 R717 7030003640 S RES E...

Page 37: ...1 4510006650 S ELE ECEV1EA100SR T 208 5 93 C882 4030011600 S CER C1608 JB 1E 104K T T 212 91 4 C883 4030011600 S CER C1608 JB 1E 104K T T 218 4 92 8 C884 4510005310 S ELE ECEV1CA220SR T 222 93 6 C901 4510005360 S ELE ECEV1HA4R7SR T 186 1 69 9 C921 4030006880 S CER C1608 JB 1H 472K T T 229 9 48 C922 4030006880 S CER C1608 JB 1H 472K T T 225 2 48 C1101 4030011600 S CER C1608 JB 1E 104K T T 58 9 3 C1...

Page 38: ...62 5 95 1 S20 2260001890 S SW SKQDPA T 62 5 86 5 S21 2260001890 S SW SKQDPA T 62 5 77 9 S22 2260001890 S SW SKQDPA T 62 5 68 8 S23 2260001890 S SW SKQDPA T 62 5 59 2 S24 2260001890 S SW SKQDPA T 81 5 76 8 S25 2260001890 S SW SKQDPA T 97 9 76 8 S26 2260001890 S SW SKQDPA T 78 2 38 1 S27 2260001890 S SW SKQDPA T 89 7 38 1 S28 2260001890 S SW SKQDPA T 101 2 38 1 S29 2260001890 S SW SKQDPA T 23 1 68 8...

Page 39: ...0 S TR UMD3N TR T 81 6 5 6 Q423 1590002420 S TR UMD3N TR T 82 3 8 6 Q424 1590002420 S TR UMD3N TR T 83 15 3 Q426 1590002420 S TR UMD3N TR T 82 4 11 7 Q451 1560000330 S FET 2SK210 GR TE85R T 68 9 43 7 Q452 1530002060 S TR 2SC4081 T106 R T 69 8 34 5 Q481 1530002060 S TR 2SC4081 T106 R T 54 1 32 5 Q501 1560000490 S FET 2SK508 K52 T2B T 30 8 13 4 Q502 1530003090 S TR 2SC4213 B TE85R T 31 2 7 9 Q521 15...

Page 40: ...2970 COL LB 343 T 75 9 36 5 L453 6200001830 S COL NL 322522T 100J T 64 4 39 5 L481 6200001830 S COL NL 322522T 100J T 51 7 35 2 L491 6200003040 S COL NL 322522T R68J 3 B 116 2 6 8 L492 6200003050 S COL NL 322522T R82J 3 B 116 5 12 8 L502 6190001410 COL E526GN 110501 T 34 9 13 L504 6200003260 S COL NL 322522T 101J B 29 7 17 5 L505 6200008910 S COL 1812CS 122XKBC T 40 7 18 4 L506 6200008910 S COL 18...

Page 41: ...1 3 6 R443 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ B 114 5 21 1 R444 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ B 116 3 21 1 R445 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ T 115 1 16 2 R446 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ T 114 6 14 9 R447 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ B 100 4 14 9 R450 7030003560 S RES ERJ3GEYJ 103 V 10 kΩ T 75 3 32 9 R451 7030003680 S RES ERJ3GEYJ 104 V 100 kΩ T 71 9 45 9 R452 703...

Page 42: ...0006880 S CER C1608 JB 1H 472K T T 64 2 94 4 C204 4030011340 S CER C1608 CH 1H 471J T T 63 2 88 1 C205 4030006880 S CER C1608 JB 1H 472K T T 73 6 105 3 C206 4030009510 S CER C1608 CH 1H 010B T B 68 9 94 1 C207 4030006880 S CER C1608 JB 1H 472K T T 74 3 100 2 C208 4610001860 S TRI TZB4Z060AB10R00 T 70 8 92 6 C209 4030009350 S CER C1608 CH 1H 3R5B T T 74 5 94 1 C222 4030007100 S CER C1608 CH 1H 560J...

Page 43: ... 5 C609 4030006880 S CER C1608 JB 1H 472K T T 44 6 32 6 C610 4030006880 S CER C1608 JB 1H 472K T B 45 2 34 1 C611 4030006880 S CER C1608 JB 1H 472K T T 18 9 41 6 C620 4030007080 S CER C1608 CH 1H 390J T T 41 8 39 5 C621 4030007120 S CER C1608 CH 1H 820J T T 41 8 38 2 C622 4030006880 S CER C1608 JB 1H 472K T T 41 8 42 1 C623 4030006880 S CER C1608 JB 1H 472K T T 28 6 48 7 C624 4030006880 S CER C160...

Page 44: ...012350 S BEA MMZ1608Y 102BT T 7 6 68 8 EP451 6910012350 S BEA MMZ1608Y 102BT B 63 8 47 1 EP504 6910012350 S BEA MMZ1608Y 102BT B 37 4 6 EP524 6910012350 S BEA MMZ1608Y 102BT B 20 5 4 3 EP554 6910012350 S BEA MMZ1608Y 102BT B 53 9 4 4 EP574 6910012350 S BEA MMZ1608Y 102BT B 71 4 1 EP621 6910012350 S BEA MMZ1608Y 102BT B 33 2 49 9 IC1 1180001070 S IC TA7805F TE16L T 20 3 71 4 IC2 1110002020 IC TA780...

Page 45: ... 104K T T 50 1 84 6 C81 4510004630 S ELE ECEV1CA100SR T 41 3 81 6 C82 4510004630 S ELE ECEV1CA100SR T 46 2 81 6 C89 4030011600 S CER C1608 JB 1E 104K T T 50 6 74 1 C93 4030011600 S CER C1608 JB 1E 104K T T 43 6 2 C94 4030006880 S CER C1608 JB 1H 472K T T 59 7 15 5 C95 4030006880 S CER C1608 JB 1H 472K T T 47 8 14 4 C96 4510005000 ELE 16 MV 220 HC T 67 4 6 1 C97 4030006880 S CER C1608 JB 1H 472K T ...

Page 46: ...E1 T 88 3 26 5 IC151 1130006220 S IC TC4W53FU TE12L T 44 9 93 IC152 1130003610 S IC TC4SU69F TE85R T 52 5 93 7 IC153 1130003610 S IC TC4SU69F TE85R T 48 7 93 7 IC201 1110005420 S IC BA15532F E2 T 36 9 113 5 IC221 1110004840 S IC NJM1496V TE1 T 36 7 90 6 IC301 1130006220 S IC TC4W53FU TE12L T 97 1 113 8 IC311 1110003300 S IC M5282FP 70CD B 84 3 109 4 IC321 1110000960 S IC NJM4558M TE1 T 112 5 81 IC...

Page 47: ...T 30 7 110 5 R202 7030008061 S RES ERA3YED 222V T 37 118 1 R203 7030003200 S RES ERJ3GEYJ 100 V 10 Ω B 37 1 108 6 R205 7030008061 S RES ERA3YED 222V T 40 4 116 1 R206 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ T 35 9 102 3 R207 7030006461 S RES ERA3YED 152V T 33 3 102 3 R208 7030006461 S RES ERA3YED 152V T 33 3 104 7 R209 7030006461 S RES ERA3YED 152V T 36 7 107 3 R210 7310002690 S TRI RV 145 RH03A3A13...

Page 48: ...006210 S RES ERJ12YJ4R7U 4 7 Ω B 93 3 13 R602 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ T 96 6 14 3 R603 7030003560 S RES ERJ3GEYJ 103 V 10 kΩ T 97 4 11 9 R611 7030006210 S RES ERJ12YJ4R7U 4 7 Ω B 93 3 8 6 R612 7030003440 S RES ERJ3GEYJ 102 V 1 kΩ T 95 8 8 9 R613 7030003560 S RES ERJ3GEYJ 103 V 10 kΩ T 100 2 6 4 R621 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ B 86 3 7 2 R622 7030003460 S RES ERJ3GEYJ 152 V ...

Page 49: ...38 8 94 4 R3656 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ T 113 4 106 6 R3657 7030003720 S RES ERJ3GEYJ 224 V 220 kΩ T 156 54 6 R3658 7030003720 S RES ERJ3GEYJ 224 V 220 kΩ T 152 3 52 8 R3659 7030003480 S RES ERJ3GEYJ 222 V 2 2 kΩ T 122 9 89 R3660 7030003520 S RES ERJ3GEYJ 472 V 4 7 kΩ T 125 6 89 5 R3701 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ T 168 2 79 6 R3702 7030003640 S RES ERJ3GEYJ 473 V 47 kΩ B 1...

Page 50: ...80 S CER C1608 JB 1H 472K T B 5 7 89 9 C354 4030006880 S CER C1608 JB 1H 472K T B 13 3 95 2 C361 4030011600 S CER C1608 JB 1E 104K T B 93 3 97 8 C362 4030011600 S CER C1608 JB 1E 104K T B 88 4 93 7 C363 4510004630 S ELE ECEV1CA100SR T 59 2 104 5 C364 4510004630 S ELE ECEV1CA100SR T 65 7 103 7 C365 4550000270 S TAN TEESVA 1E 474M8L B 69 8 107 2 C371 4030012600 S CER C2012 JB 1A 105M T B 78 7 94 C37...

Page 51: ...7 4030006860 S CER C1608 JB 1H 102K T T 139 8 85 3 C3608 4030006900 S CER C1608 JB 1H 103K T T 134 9 107 5 C3609 4030006900 S CER C1608 JB 1H 103K T T 127 5 107 9 C3610 4030006900 S CER C1608 JB 1H 103K T T 164 6 130 2 C3611 4030006880 S CER C1608 JB 1H 472K T B 153 96 C3612 4030006880 S CER C1608 JB 1H 472K T B 153 97 6 C3614 4030006880 S CER C1608 JB 1H 472K T T 148 3 71 1 C3615 4030006880 S CER...

Page 52: ... 1130009300 S IC TC7SET08FU TE85L T 57 2 99 IC2071 1130012570 IC M27C4001 12F1 SC 1414 T 80 9 66 2 IC2072 1130009290 S IC TC74VHC541FT EL T 57 5 70 5 IC2091 1110005740 S IC S 80934CNMC G84 T2 T 60 1 114 9 IC2092 1130006540 S IC TC7S02FU TE85R T 58 4 118 7 IC2101 1130008810 S IC TC7SH32FU TE85L T 70 1 119 5 IC2201 1130008230 S IC BU4053BCFV E2 T 59 6 52 3 IC2211 1110005240 S IC NJM4565M TE1 T 57 2 ...

Page 53: ...2 R2353 7030003800 S RES ERJ3GEYJ 105 V 1 MΩ T 30 9 68 8 R2354 7030003320 S RES ERJ3GEYJ 101 V 100 Ω T 35 1 63 4 R2355 7030008061 S RES ERA3YED 222V T 28 9 51 9 R2356 7030008061 S RES ERA3YED 222V T 29 7 50 R2357 7030008061 S RES ERA3YED 222V T 27 8 50 R2358 7030008061 S RES ERA3YED 222V T 26 5 51 6 R2359 7030008061 S RES ERA3YED 222V T 24 6 49 4 R2360 7030008061 S RES ERA3YED 222V T 26 5 48 9 R23...

Page 54: ...0 S CER C1608 JB 1E 104K T T 59 6 15 7 C2292 4030011600 S CER C1608 JB 1E 104K T T 59 6 18 3 C2293 4340000250 S MLR ECHU 1C 104JX5 T 46 9 10 5 C2301 4510004630 S ELE ECEV1CA100SR T 60 2 21 8 C2302 4030011600 S CER C1608 JB 1E 104K T T 58 9 26 6 C2303 4510006220 S ELE ECEV1CA101UP T 73 7 33 3 C2306 4030011600 S CER C1608 JB 1E 104K T T 72 23 9 C2307 4510004630 S ELE ECEV1CA100SR T 72 5 20 4 C2308 4...

Page 55: ...A31136FN D EL T 93 2 90 4 IC2002 1110000960 S IC NJM4558M TE1 B 129 8 92 2 Q101 1590003280 S TR UNR9211J TX T 34 9 86 Q102 1590002710 S TR UMH11NTN T 5 8 68 3 Q103 1530002060 S TR 2SC4081 T106 R T 34 79 9 Q104 1590001960 S TR XP4311 TX T 30 8 86 3 Q151 1590002710 S TR UMH11NTN T 46 8 83 2 Q152 1590003280 S TR UNR9211J TX T 44 81 2 Q201 1510000510 S TR 2SA1576A T106R T 7 5 27 8 Q202 1590002710 S TR...

Page 56: ...L1007 6140004420 COL LR 501 L1008 6200008080 S COL LQW2BHNR22J01L B 94 9 33 8 L1009 6200008080 S COL LQW2BHNR22J01L B 95 4 19 6 L1010 6200009690 S COL LQH43CN101K01L T 99 9 21 2 L1011 6150005320 COL LS 546 7K7 L1012 6200001830 S COL NL 322522T 100J B 105 3 24 5 L1013 6200001830 S COL NL 322522T 100J T 112 6 31 2 L1014 6200001830 S COL NL 322522T 100J B 111 5 28 3 L1015 6200001830 S COL NL 322522T ...

Page 57: ...0003560 S RES ERJ3GEYJ 103 V 10 kΩ T 104 8 32 9 R1016 7030003280 S RES ERJ3GEYJ 470 V 47 Ω T 111 5 24 9 R1017 7030003450 S RES ERJ3GEYJ 122 V 1 2 kΩ T 112 6 18 3 R1018 7030003480 S RES ERJ3GEYJ 222 V 2 2 kΩ T 112 6 17 1 R1019 7030003400 S RES ERJ3GEYJ 471 V 470 Ω T 111 7 15 9 R1020 7030003360 S RES ERJ3GEYJ 221 V 220 Ω T 118 2 46 R1101 7030007860 S RES ERJ3GEYJ 8R2V 8 2 Ω T 94 1 16 6 R1102 7030003...

Page 58: ...2 5 58 9 C332 4510004630 S ELE ECEV1CA100SR T 106 8 61 9 C334 4030011600 S CER C1608 JB 1E 104K T B 114 3 58 9 C401 4030011600 S CER C1608 JB 1E 104K T T 43 5 13 4 C402 4030011600 S CER C1608 JB 1E 104K T T 43 2 21 2 C403 4030011600 S CER C1608 JB 1E 104K T T 40 4 28 1 C451 4030006880 S CER C1608 JB 1H 472K T B 136 4 14 5 C452 4030011600 S CER C1608 JB 1E 104K T T 149 3 7 6 C453 4510004630 S ELE E...

Page 59: ... C1608 CH 1H 390J T T 67 1 39 1 C1206 4030007090 S CER C1608 CH 1H 470J T T 61 44 2 C1207 4030007080 S CER C1608 CH 1H 390J T T 67 1 41 5 C1208 4030007100 S CER C1608 CH 1H 560J T T 67 1 42 7 C1209 4030007030 S CER C1608 CH 1H 150J T T 64 9 44 5 C1210 4030007100 S CER C1608 CH 1H 560J T T 67 1 43 9 C1211 4030011600 S CER C1608 JB 1E 104K T T 67 1 45 1 C1212 4030007030 S CER C1608 CH 1H 150J T B 73...

Page 60: ...9210B 1 05Z869 PT1 J803 6910016430 CNR IMSA 9210B 1 05Z869 PT1 J804 6910016430 CNR IMSA 9210B 1 05Z869 PT1 J805 6910016430 CNR IMSA 9210B 1 05Z869 PT1 J807 6910016430 CNR IMSA 9210B 1 05Z869 PT1 J809 6910016430 CNR IMSA 9210B 1 05Z869 PT1 J951 6510007020 CNR TMP J01X V6 J1101 6510007020 CNR TMP J01X V6 J1301 6510007020 CNR TMP J01X V6 J1651 6510007020 CNR TMP J01X V6 J1801 6510007020 CNR TMP J01X ...

Page 61: ... C3613 4030007050 S CER C1608 CH 1H 220J T B 23 16 4 C3614 4030007170 S CER C1608 CH 1H 221J T B 22 2 11 3 C3615 4030011600 S CER C1608 JB 1E 104K T B 21 5 14 2 C3616 4030007170 S CER C1608 CH 1H 221J T B 24 11 3 EP1 0910058290 PCB B 6169 Q4201 1530003850 S TR 2SC5551F TD T 43 8 25 9 Q4202 1530003850 S TR 2SC5551F TD T 36 3 14 4 Q4203 1590001960 S TR XP4311 TX T 21 1 11 1 Q4204 1590001960 S TR XP4...

Page 62: ...H 472K T T 105 3 5 4 C25 4030006880 S CER C1608 JB 1H 472K T T 102 7 5 4 C26 4030006880 S CER C1608 JB 1H 472K T T 119 6 5 4 C27 4030006880 S CER C1608 JB 1H 472K T T 77 6 55 5 C28 4030006880 S CER C1608 JB 1H 472K T T 72 1 55 5 C29 4030006880 S CER C1608 JB 1H 472K T T 66 6 55 5 C30 4030006880 S CER C1608 JB 1H 472K T T 61 1 55 5 C31 4030006880 S CER C1608 JB 1H 472K T T 55 6 55 5 C32 4030006880 ...

Page 63: ...7030003560 S RES ERJ3GEYJ 103 V 10 kΩ T 124 8 87 7 R39 7030003680 S RES ERJ3GEYJ 104 V 100 kΩ T 142 8 62 4 R40 7030003680 S RES ERJ3GEYJ 104 V 100 kΩ T 142 8 63 8 R41 7030010550 S RES ERJ1TYJ 820U 82 Ω T 92 4 81 7 R42 7030003560 S RES ERJ3GEYJ 103 V 10 kΩ T 100 8 78 6 R43 7030003560 S RES ERJ3GEYJ 103 V 10 kΩ T 100 8 82 7 R44 7030003800 S RES ERJ3GEYJ 105 V 1 MΩ T 100 8 79 9 R45 7030003560 S RES E...

Page 64: ...90 S CER C1608 CH 1H 470J T T 33 4 74 2 C64 4030007030 S CER C1608 CH 1H 150J T T 33 4 69 5 C65 4030007120 S CER C1608 CH 1H 820J T T 27 74 3 C66 4030007070 S CER C1608 CH 1H 330J T T 20 4 74 2 C69 4510004630 S ELE ECEV1CA100SR T 119 8 51 6 C70 4510004630 S ELE ECEV1CA100SR T 120 6 58 4 C71 4030006880 S CER C1608 JB 1H 472K T T 151 8 43 5 C72 4510006260 S ELE ECEV1AA471UP T 143 46 2 C73 4030006880...

Page 65: ...4 4010005390 CER HM15SJ SL 621J 500V T 49 49 9 C75 4010005390 CER HM15SJ SL 621J 500V T 55 2 47 6 C77 4030011210 S CER GRM31M2C2H330JV01L T 164 1 27 1 C78 4030011240 S CER GRM31M2C2H470JV01L T 155 6 42 7 C79 4030011240 S CER GRM31M2C2H470JV01L T 152 7 45 5 C80 4030011240 S CER GRM31M2C2H470JV01L T 155 2 59 1 C81 4030011240 S CER GRM31M2C2H470JV01L T 155 2 61 9 C82 4030011230 S CER GRM31M2C2H390JV0...

Page 66: ...810008200 Screw PH BT M2 6 6 NI ZU 2 MP50 8810007300 Screw PH B0 M2 6 14 ZK 1 MP51 8610010740 Knob N273 A 1 MP52 8610010730 Knob N252 A 1 MP53 8850001250 Flat washer M2 6 1 MP54 8930051520 Sheet 1 MP60 8930057320 2178 LCD sheet 1 MP61 8930057340 Copper coated sheet L 1 MP62 8930057340 Copper coated sheet L 1 MP63 8930050280 Copper coated sheet H 1 MP70 8930064540 Shield sponge AN 1 FRONT PARTS ORD...

Page 67: ... C MP8 F MP10 F MP9 F EP3 F J1 MI DS1 F EP4 F MP61 F MP63 F MP62 F MP60 F MP54 F R701 DIS R702 DIS S1 PB S1 RI EP1 F ME1 F R1 PB MP49 F EP1 F R1 PB MP53 F MP50 F S1 PB F FRONT UNIT C CHASSIS PARTS PB PBT BOARD RI RIT BOARD DIS DISPLAY BOARD MI MIC BOARD KE KEY BOARD PH PHONE BOARD Unit abbreviations MP1 DIS MP4 F ME1 F MP1 F MP5 F MP19 F MP7 F MP3 F MP6 F MP11 F MP51 F MP52 F MP8 F MP13 F MP9 F MP...

Page 68: ...Y BOARD MP1 M MP1 DSP MP402 PL MP452 PL MP602 PL MP302 PL MP152 PL MP102 PL MP902 PL MP502 PL MP503 PL MP203 PL MP1 PL MP1 C MP100 C MP69 C MP41 C MP39 C MP15 C MP38 C MP44 C MP40 C MP45 C MP42 C MP43 C MP6 T MP8 T MP7 T MF2 T MP57 C MP105 C MP89 C MP90 C MP7 C MP5 T MP4 T MP3 T MP1 T MP2 T MP3 C MP50 C MP25 C MP9 C MP21 C MP8 C MP26 C MP12 C MP30 C MP51 C MP33 C MP9 T MP11 C MP29 C MP2 C MP20 C M...

Page 69: ...B 1 EP1 6910000340 Sheet P101 KD 1 EP2 6910000310 Insulation plate B312D 1 MF1 2710000630 Fan FBA08T12HC 1 SP1 2510000760 Speaker SM 77KY0208 1 MP1 8410002322 1876 heatsink A 2 1 MP2 8110005932 1876 T cover 2 1 MP3 8110007101 2178 L cover 1 1 MP4 8510012530 2178 A plate 1 MP5 8510010730 1876 B plate 1 MP6 8510010740 1876 C plate 1 MP7 8510010751 1876 D plate 1 1 MP8 8930041351 1876 MAIN stand 1 2 ...

Page 70: ... 2SK508 K52 T2B 2SK515 T1B 2SK882 GR 2SK1740 3SK131 T2 MAS CPH3404 TL DTA114 EE TL DTA114EUA T106 DTA144 EE TL DTB123 EK T146 DTC114 EE TL DTC114EUA T106 DTC144 EE TL DTC144 TE Symbol FR Symbol HQ Symbol BG Symbol BAR Symbol B1201 Symbol None Symbol None Symbol QO Symbol CC Symbol BR Symbol DG Symbol AB Symbol LY3 Symbol OY3 Symbol EB Symbol None Symbol DB Symbol CE Symbol JI Symbol YG Symbol K52 ...

Page 71: ... MA77 MA114 MA185 MA338 MA357 MA742 MA8030 H MA8033 L MA8051 M MA2S111 MA2S728 MMBV3700LT1 RB050L 40 RB706F 40 T106 RD5 1M T2B2 RD5 6M T2B2 RD20M T2B1 Symbol C3 Symbol B3 Symbol A4 Symbol A9 Symbol FH Symbol JV Symbol TX Symbol TX Symbol 2B Symbol K Symbol N Symbol P Color Green Symbol W8 Symbol Silver line Symbol C3 Symbol C1 Symbol C7 Symbol Y Symbol 4B Symbol 1E White Green lines Symbol 6H Symb...

Page 72: ... L R NC N P 15V 5VF 10 9 2 1 to PBT board J1 J601 PITL PB1B PB2B GND NOTL PB1A PB2A GND GND NC 1 2 to LCD J801 CFL RUP 1 2 9 10 to RIT board J1 J120 RDN GND GND GND 5VF GND GND GND GND to MAIN DIAL GND 4 1 J101 MDN MUP 5VF to LCD NC 1 2 J802 CFL GND 16 15 2 1 to MODE board J1 J201 5VF KI2 CWK FILK SPEK F2K F4K GND KI1 SSBK AMK EXTK F1K F3K F5K NC 1 2 23 24 to MAIN A unit J861 J321 SQSS MICE 8V GND...

Page 73: ... 160 165 170 175 180 185 190 195 200 205 210 215 220 225 230 235 240 245 250 255 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 105 Vertical POWER TUNER MONITOR AF RF SQL MIC GAIN RF POWER BK IN DELAY KEY SPEED BAL NR COMP NB NR TRANSMIT 1 8 16 9 5 8 4 1 DISPLAY BOARD BOTTOM VIEW ...

Page 74: ...Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 105 110 Vertical A B C D E F G F 1 SSB F 2 CW RTTY F 3 AM FM F 4 FILTER F 5 EXIT SPEECH PHONES ELEC KEY SPLIT DW CHANGE V M M S MP W MP R TS M CL PBT CL NOTCH CLEAR TX RIT LOCK MW DOWN UP F INP 28 18 7 50 24 14 3 5 GENE 21 10 1 8 XFC PHE 10 9 2 1 to DISPLAY board J941 J1 PHE GND GND GND PHO PHNI GND GND GND GND 10 9 2 1 to DI...

Page 75: ...95 100 105 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 105 110 Vertical GND 1 2 15 16 to DISPLAY board J201 J1 5VF KI2 CWK FILK SPEK F2K F4K GND KI1 SSBK AMK EXTK F1K F3K F5K SPLK 1 2 15 16 to DISPLAY board J221 J1 3K 10K 18K 24K 50K FINK MPRK 1K 7K 14K 21K 28K GENK MPWK GND to DISPLAY board J241 J2 MUPK 1 2 23 24 MWK TSK LOCK NOTK 5VF LDV TXD NOTD GND GND MDNK MCLK ...

Page 76: ...EW 5 10 15 20 25 30 35 40 45 50 0 Horizontal 5 10 15 0 20 Vertical 5 10 15 20 0 Horizontal 5 10 15 0 20 Vertical 5 10 15 20 0 Horizontal 5 10 15 0 20 Vertical NOTCH CW PITCH PBT1 PBT2 RIT MMICE MICI M8V MUD SQLS AFO MSND GND 8 6 PBT BOARD TOP VIEW 8 7 RIT BOARD TOP VIEW 8 8 MIC BOARD TOP VIEW 8 5 ...

Page 77: ... D9 D10 D11 D12 D13 D14 D15 GND GND GND GND GND GND GND MEMORY BOARD BOTTOM VIEW 5 10 15 20 25 30 35 40 45 50 0 Horizontal 5 10 15 0 20 Vertical 5 10 15 20 0 Horizontal 5 10 15 0 20 Vertical 5 10 15 20 0 Horizontal 5 10 15 0 20 Vertical 5VF 1 9 2 10 to DISPLAY board J601 J1 PITL PB1B PB2B GND NOTL PB1A PB2A GND GND NC 1 2 9 10 to DISPLAY board J322 J2 AFO GND SQLS M8V NC MMICE MSND MUD MICI GND 1 ...

Page 78: ...0 to DSP A board J2002 J202 GND M5V_d GND DSDR NC NC MCK DSFW MDAT DSFR CTFL RTDT GND GND 3R3V_d 3R3V_d GND NSQO DPGI MODS FMNS CALS ACKS DSRS AMS TXS MSL1 DSKY GND 14V 1 2 23 24 to DISPLAY board J321 J861 14V NC NC AFO TMD GND GND MICI MSND NC NC 14V NC NC SPE SPE PWRK GND GND 8V MICE SQSS NC NC 24 23 2 1 to DISPLAY board J301 J891 14V 14V NC 8V NC GND GND HSYNC G YOBI LMFD NC 14V NC NC 8V GND GN...

Page 79: ... 150 155 160 165 170 175 180 185 190 195 200 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 105 110 115 125 130 135 120 145 150 140 Vertical 24 13 1 12 14 8 1 7 1 4 8 5 14 8 1 7 1 4 8 5 14 1 15 28 8 5 1 4 1 5 10 6 8 14 1 7 6 10 1 5 1 5 10 6 MAIN A UNIT BOTTOM VIEW 8 8 ...

Page 80: ...0 115 125 120 Vertical 180 121 120 181 240 1 60 61 11 20 10 1 8 14 7 1 1 7 14 8 1 7 14 8 17 16 32 1 20 11 1 10 14 1 15 28 16 9 8 1 8 1 9 16 8 14 7 1 16 9 1 8 4 1 5 8 7 1 8 14 5 8 4 1 5 8 4 1 28 15 1 14 5 8 4 1 5 8 4 1 7 1 8 14 7 1 8 14 5 8 4 1 7 1 8 14 8 5 1 4 8 5 1 4 9 16 8 1 8 1 9 16 4 1 5 8 1 4 8 5 8 11 DSP A BOARD TOP VIEW 8 9 ...

Page 81: ...29 2 1 to MAIN A unit J201 J2001 GND FMTL GND GND GND GND DRAF DTAF GND DMAF D5VA D5VA D5VA DRIF GND 8V 8V 5V 5V 8V 8V GND AGC GND GND GND GND GND DTIF GND GND 1 2 29 30 to MAIN A unit J202 J2002 GND RTDT CTFL DSFR MDAT DSFW MCK NC NC DSDR GND M5V_d GND AGRS GND DSKY MSL1 TXS AMS DSRS ACKS CALS FMNS MODS DPGI NSQO GND 3R3V_d 3R3V_d DSP A BOARD BOTTOM VIEW 8 10 ...

Page 82: ...PLL unit J851 P651 PAI from PA unit J1 P1 P851 MKR 1LOA P351 from PLL unit J351 RX P2 from CTRL A unit J2 XVRT RANT GND 1 5 to BPF A board J801 GND BPF A_IN GND GND B1 1 5 to BPF A board J803 B4 GND GND GND B3 1 5 to BPF A board J802 B5 B2 GND GND 1 5 to BPF A board J805 GND GND BPF A_OUT GND GND 1 5 to PREAMP board J809 GND GND PREAMP_IN GND POFF R8V 1 5 to PREAMP board J804 14VL PRE2 PRE1 GND GN...

Page 83: ... 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 0 Horizonal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 Vertical MP2102 1 9 18 10 1 18 9 10 4 1 5 8 RF B UNIT BOTTOM VIEW 8 12 ...

Page 84: ... 25 30 35 40 45 50 55 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 Vertical 8 13 BPF A BOARD TOP VIEW 5 10 15 20 25 30 35 40 45 50 55 0 Horizontal 5 10 15 0 25 30 35 20 Vertical 8 14 PREAMP BOARD TOP VIEW 8 13 ...

Page 85: ...GND PREAMP_IN R8V 14VL PRE2 PRE1 GND to RF B unit J804 PREAMP BOARD BOTTOM VIEW 5 10 15 20 25 30 35 40 45 50 55 0 Horizontal 5 0 10 15 25 30 35 20 45 50 55 40 Vertical B3 B5 B2 GND GND to RF B unit J802 GND GND GND B4 B1 to RF B unit J803 to RF B unit J801 GND GND GND GND BPF A_IN to RF B unit J805 GND GND GND GND BPF A_OUT BPF A BOARD BOTTOM VIEW 8 14 ...

Page 86: ...5 1 51 75 26 50 100 76 33 23 22 12 34 44 11 1 22 12 11 1 44 34 23 33 8 1 9 16 1 25 75 51 26 50 100 76 CHASSIS MP104 2LO P81 to RF B unit J1801 to RF B unit J2101 to RF B unit J2001 to MAIN A unit J211 S3LO S3LO MKR P851 to RF B unit J951 S2LO P901 P801 P701 to RF B unit J1301 1LOA P351 to RF B unit J1101 1LOB P651 8 15 PLL UNIT TOP VIEW GND 1 2 15 16 to MAIN A unit J841 J1 NC 14V PSEL CON1 DRES 5V...

Page 87: ... 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 0 Horizonal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 105 110 Vertical 5 8 4 1 PLL UNIT BOTTOM VIEW 8 16 ...

Page 88: ...45 50 55 40 65 70 75 60 80 90 85 Vertical to FILTER A unit J1 PAO P2 to RF B unit J201 PAI P1 to FILTER A unit to FILTER A unit PGND BLACK PHV RED PAT8 30 29 2 1 to MAIN A unit J771 J3 ICL H5V 8V 14VA 14V 14V 14V 5V HV GND GND GND GND GND PWRS ICH 8V 14VA 14V 14V 14V 14V 5V NC GND GND GND GND GND MF 2 1 to CHASSIS MF1 J11 MF 8 16 PA UNIT TOP VIEW 8 17 ...

Page 89: ...20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 85 Vertical PA UNIT BOTTOM VIEW 8 18 ...

Page 90: ...l 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 85 Vertical BLACK FGND FHV RED to CHASSIS W15 to CHASSIS W15 to PA unit EP5 P G N D B L A C K to PA unit EP4 P H V R E D PAO P2 from PA unit J2 CTIN P1 from CTRL A unit J1 GND 1 2 9 10 to CTRL A unit J13 J3 L8S L3S L5S L2S GND L7S L6S L1S L4S 8 17 FILTER A UNIT TOP VIEW 8 19 ...

Page 91: ...25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 85 Vertical FILTER A UNIT BOTTOM VIEW 8 20 ...

Page 92: ...3 TUIN RFRX P2 to RF B unit J101 CHASSIS J6 CHASSIS J5 TUOT P4 from TUNER A board J4 CTIN P1 to FILTER A unit J2 ANT1 ANT2 GND 22 21 2 1 to TUNER A board J5 J8 5M 10M 18M VHF GND 14V CO2 NVHF CI2 GND 3 5M 7M 14M 24M GND 14V CO3 CO1 CI3 CI1 GND GND to FILTER A unit J3 J13 1 9 10 2 L8S L3S L5S L2S GND L7S L6S L1S L4S CMCK to MAIN A unit J741 J7 2 1 21 22 FSTB IKEY GNDL ANTS FORV 8V 5V GND GND 14V CM...

Page 93: ...0 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 Vertical CTRL A UNIT BOTTOM VIEW 8 22 ...

Page 94: ...180 185 190 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 Vertical 18 10 1 9 18 10 1 9 1 TUIN P3 to CTRL A unit J3 TUOT P4 to CTRL A unit J4 GND 1 2 21 22 to CTRL A unit J8 J5 5M 10M 18M VHF GND 14V CO2 NVHF CI2 GND 3 5M 7M 14M 24M GND 14V CO3 CO1 CI3 CI1 GND 8 19 TUNER A BOARD TOP VIEW 8 23 ...

Page 95: ... 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 0 Horizontal 5 10 15 0 25 30 35 20 45 50 55 40 65 70 75 60 80 90 95 100 85 Vertical TUNER A BOARD BOTTOM VIEW 8 24 ...

Page 96: ... R8V 5V REG IC805 AN79L05M 5V POCV 14V AMS PHFS P5OS PWR CTRL Q501 UMH11N Q502 UMH4N REFV ALC AMP ALC AMP AMP FORV IC571B NJM4558M REFL IC571A NJM4558M AMP FORL ICL ICH ALC AMP IC551A NJM2058M AMP ALCL ALC EALC ALC AMP IC551D NJM2058M Q521 2SA1576 IC201B BA15532F IC151 TC4W53FU IC221 NJM1496V CERAMIC BPF FI111 CFK455E10 455kHz BW 15kHz GATE CTRL Q276 2SC4081 Q278 UNR911HJ D273 MA2S111 NB DET D271 ...

Page 97: ...LMX2306TM LOOP FIL D451 MA357 Q451 2SK210 Q402 2SC4081 AMP PHASE DET AMP IC402 TC7S04F CERAMIC BPF D A FI401 CFEC10 8MD11 DDS DRIVER Q421 422 423 426 UMD3N 1 4 DDS VB1S VB2S VB3S VB4S Q403 2SC4081 AMP Q52 2SC4081 BUFF X52 CR 338 32 00056MHz CAL PST2 VCO A D202 KV1770S Q201 2SK508 D201 KV1770S Q221 2SK508 D221 D222 KV1770S 2 BUFF Q601 2SC4403 Q301 2SC4403 D A AMP Q151 2SK210 D151 MA357 LOOP FIL Q10...

Page 98: ...E R12 1k DS5 CL 220YG TWIN PEAK FILTER LED J801 1 14 7 3 2 10 9 8 R102 15k C102 0 001 5 C104 0 001 R104 47k 6 4 C103 0 001 R103 15k 11 13 12 4 6 5 3 14 7 2 1 IC101c BU4030BF IC101b BU4030BF IC101d BU4030BF IC102b MC14071BFEL IC102a MC14071BFEL IC101a BU4030BF IC102d MC14071BFEL 12 11 13 R126 220k R127 100k R128 1M C122 0 001 R125 100k C121 0 001 R121 100k R124 1M 5VF R123 100k R122 220k 9 10 8 IC1...

Page 99: ...917 4 7k R916 2 2k C901 10 S1 PBT2 PBT1 2 3 1 5 6 4 A B COM A B COM PB2A PB2B FRONT W3 FRONT W5 L5V HD VD POLC VD POLC GND L5V RL GL BL VCOM GND L R U D N P L18V 15V W506 R520 220k R519 220k R518 220k R532 39k R531 1 8k C531 0 0047 C521 0 0047 C520 0 47 C522 0 0047 D531 MA8030 R533 10k Q515 DTC114EE IC511c NJM2902V 10 9 8 IC511b NJM2092V Q514 2SB1132 Q512 2SB1132 IC511a NJM2092V IC511d NJM2902V 14...

Page 100: ...053A TC74HC02AF 2 3 1 14 7 C2053 0 1 R2053 100 C2071 0 1 IC2071 SC 1414 2 1 5 4 3 C2065 0 1 R2065 100 1 2 5 4 3 C2066 0 1 R2066 100 1 2 5 4 3 C2063 0 1 R2083 100 R2102 100 R2101 100k 2 1 5 4 3 C2101 0 1 IC2101 TC7SH32FU L2001 D10F A814AY 101K IC2066 TC7SET08FU IC2065 TC7SET08FU IC2063 TC7SET08FU VCC BCLK SDATA LRCLK OUTR REF GND OUTL 7 8 6 5 2 1 3 4 IC2461 BU9480F C2463 10 C2462 0 1 C2461 100 W247...

Page 101: ...44 6 8k R2243 10k R2242 220k IC2281B NJM2058M 7 5 6 R2241 10k R2421 100 C2422 0 1 C2424 0 1 C2444 0 1 C2445 22 C2443 22 R2423 100 R2452 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 C2353 10 C2354 0 1 C2358 0 1 C2357 10 C2356 0 1 C2355 10 IC2351 AD1854JRSZRL C2310 10 C2309 0 1 R2309 100 IC2301A BA15532F IC2301B BA15532F R2201 100k X0 X1 Y0 Y1 Z0 Z1 INH A B C X Y Z ...

Page 102: ... 15 14 13 12 11 10 9 IC51 CD74HC4094M C53 0 0047 C52 0 0047 C51 0 0047 C50 0 0047 C49 0 0047 C48 0 0047 C47 0 0047 5 4 C46 0 0047 6 7 8 3 2 O2 1 9 IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 VS O1 O3 O4 O5 O6 O7 O8 GND C17 0 0047 R18 1k R19 1k C1 0 0047 C2 0 0047 C3 0 0047 R20 1k C4 0 0047 R21 1k C5 0 0047 R22 1k C6 0 0047 R23 1k C7 0 0047 R24 1k C8 0 0047 11 12 13 14 15 16 17 18 R17 1k 10 IC1 M54562P L2 EXC ...

Page 103: ...C91 0 0047 R126 10 R127 10 R128 10 R129 10 R130 10 R131 10 R132 10 R133 10 18 17 16 15 14 13 12 11 10 IC12 TD62783AF O1 O2 O3 O4 O5 O6 O7 O8 GND IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 VS 1 2 3 4 5 6 7 8 9 C89 0 0047 C90 10 L34 100µH 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 STROBE DATA CP Q0 Q1 Q2 Q3 GND VCC OE Q4 Q5 Q6 Q7 QS2 QS1 IC11 CD74HC4094M C88 10 C87 0 0047 R148 47k L33 100µH AN3 L11 100µH C45 0 1 8...

Page 104: ... D114 1SV308 D113 1SV308 C116 0 1 100k R111 0 1 C121 LS 468 L111 LS 468 L112 1SV308 D112 1SV308 D111 330µH L115 470 R118 0 1 C122 5V R8V HV 14VA H5V 8V T8V 14V CP801 W703 L721 150µH L719 EXC ELDR25C L720 100µH CP815 CP814 CP813 CP811 C3803 47p C3802 47p C3801 47p C833 0 0047 C826 0 1 C829 0 1 C832 0 1 CP832 CP831 CP830 CP828 CP827 CP826 CP825 CP823 CP833 CP816 CP822 CP824 R3801 220 R3802 220 R3803...

Page 105: ...12 10k 1k R313 NC VCAIN CTL VCAOUT VCC GND OUT IN IN VCC2 R335 470 470 C338 C337 470 C336 0 1 10 C334 C335 0 022 R334 1k 0 082 C333 470 R305 0 1 C306 10k R307 W308 10 C308 C307 0 1 5 4 3 2 1 AHY103 RL351 10 R351 UNR9211J Q351 0 0047 C352 DAN222 D351 0 0047 C351 2SD1801 Q331 47 R336 C340 100 R333 4 7k R337 10k R340 1k C331 10 R331 470 R332 470 C332 10 3 4 5 6 TC4W53FU IC301 7 8 2 1 3 4 5 6 TC4W53FU...

Page 106: ...Y 47k R3610 ISTA_ R3608 1k 0 001 C3607 R3605 1k ISTA R3604 1k LTXD_ LMFD R3603 2 2k DTA114EE Q3002 47k R3607 47k R3606 LRXD_ LFMD TMD_ UNLC_ TMD 47k R3602 1k R3601 220p C3606 MA2S111 D3601 L3603 RCR 875D 472K L3602 HF50ACC322513 B L3601 HF50ACC322513 B UNLC 3R3V_d 14V H5V HV 5V 8V M5V 2SC4081 Q602 4 7 R601 1k R602 TXS RXS 0 47 C601 10k R603 2SD1619 Q601 DA221 D601 10k R613 2SC4081 Q612 2SD1619 Q61...

Page 107: ... LWR WAIT BSON LRES 0 01 C3511 TRVI_ IKEY_ RXS_ TXS_ ISTA_ LTXD_ LRXD_ TMD_ DRES_ 12p C3502 12p C3501 CR 520 X3501 470 C3513 0 01 C3512 47k R3781 47k R3782 FZTX FZRX CTXD CRXD MCK MDAT A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 R3526 220k R3525 220k R3524 220k R3523 220k R3522 220k R3521 220k R3520 220k R3...

Page 108: ...01 C3712 0 01 C3711 UNR9211J Q3701 1k R3707 1M R3705 DAP222 D3702 DAN222 D3701 47k R3701 47k R3702 47k R3703 C3702 0 0047 C3704 0 0047 C3705 0 0047 C3706 0 0047 C3707 0 0047 C3708 0 0047 C3709 0 0047 R3712 1k R3711 1k R3710 1k R3709 1k DPGI RTDT CTFL DSKY DSFR DSDR DSFW SPCH MCK CP3006 CP3002 CP3004 CP3008 MDAT 47k R3728 0 0047 C3724 0 1 C3774 CP3001 CP3003 CP3005 8 6 4 2 7 5 3 1 CP3007 J3502 W373...

Page 109: ...381 100 L181 10µH W181 C183 0 0047 C300 10p C328 8p C330 8p C329 27p R181 1k R182 5 6k C182 10 C181 0 0047 L382 HF50ACC322513 B W392 W385 R393 82 C386 4 7 C394 470p C380 1 R380 10k R387 1k R385 1k R386 1k VCC2 CPO FO LD GND LE GND DATA FIN CLOCK FIN CE VCC1 GND OSCIN IC381 LMX2306TM L303 47nH C305 7p C307 12p C304 39p R350 1 8k D301 MA77 C306 39p L351 56nH L352 82nH L353 82nH C352 3p C354 2p C355 ...

Page 110: ...00 C459 0 0047 C460 0 0047 R455 180 R451 100K C690 10 C691 0 1 R458 100 R457 220 C462 0 1 Q452 2SC4081 R459 15 C463 0 0047 G C685 10 I C684 0 1 0 IC682 TA78L05F C696 4 7 C689 470p R681 100 L481 10µH R481 1k W481 C483 0 0047 C698 0 0047 C686 4 7 R482 5 6k C482 10 C481 0 0047 J681 R693 82 L682 HF50ACC322513 B W692 C694 470p R685 1k C680 1 R687 1k R680 10k R686 1k VCC2 CPO FO LD GND LE GND DATA FIN C...

Page 111: ...CS 122XKBC C31 0 0047 C50 0 0047 C51 12p X52 CR 338 R53 4 7k R55 47 C64 0 0047 R58 27k R61 220 R63 680 R60 330 R62 33 C65 0 1 Q52 2SC4081 R84 100 R89 33 R81 22k R72 330 R82 10k R83 270 C71 0 0047 R71 47k C88 0 0047 C81 0 0047 Q71 2SC4081 Q81 2SC4405 C82 220p C83 22p R54 470 R52 15k W10 L55 10µH C54 0 0047 C53 82p C58 120p Q51 2SC4403 R87 15 C87 0 0047 C84 0 0047 C85 1p C86 22p R46 8 2k R45 8 2k R4...

Page 112: ...100p C65 100p RL7 TB1 160 C48 0 0047 L19 100µH RL11 TB1 160 C52 0 0047 L23 10µH C46 0 0047 L17 100µH C88 0 0047 C49 0 0047 C53 0 0047 C47 0 0047 RL6 TB1 160 RL12 TB1 160 RL8 TB1 160 RL14 AG201344 R8 50MHz 14MHz 24MHz 28MHz L501 LR 386 C507 0 1 EP501 EP502 J3 W15 ACS2 GND HV ACS1 GND HV PA UNIT L4S L2S L1S L5S L6S L3S L7S L8S GND GND CHASSIS W13 L1 LR 361 L22 EXC ELDR25C C20 0 1 Q8 2SD1585K PAO MF1...

Page 113: ...0K 7K 3K 1K SPLK GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND NC GND GND GND GND GND GND GND GND GND GND GND GND GND GND CHASSIS FRONT GND PB2A PB2B GND GND GND PB2A PB2B GND GND GND CTRL P1 P352 SPE NC NC SSP SSP SPE MF1 TUNER MF2 TUNER P2 P1 TUIN TUOT TUIN TUOT P3 P4 J2 RFRX ANT1 W1 CHASSIS J5 W2 CHASSIS J6 ANT2 R...

Page 114: ... 1SV307 D651 C653 15p L651 0 33µ C651 100p 1SV307 D603 0 82µ L605 120p C616 C615 0 1 C614 18p L604 0 56µ C612 18p C613 33p 33p C610 10p C611 C609 47p L603 0 82µ 10p C607 33p C606 0 82µ L602 C605 33p C604 18p 0 1 C602 1SV307 D602 C603 120p L601 0 56µ C601 18p 1SV307 D552 1 5µ L555 47p C566 C565 0 1 C564 180p L554 0 68µ C562 18p C563 47p 22p C560 15p C561 C559 47p C558 8p L553 1 5µ 15p C557 22p C556...

Page 115: ...2 3 9k C4303 0 1 R4303 1k C4309 8p L4301 150µ R4307 10 R4301 47 0 1 C4302 47 R4203 2SC5551 Q4201 2SC5551 Q4202 100µ L4207 C4214 0 1 C4213 0 1 C4210 0 1 R4205 1k C4208 0 1 1p C4222 47 R4214 15 R4210 100µ L4204 1SV307 D4102 1SV307 D4202 0 1 C4216 150µ L4209 47 R4208 0 1 C4215 C4223 10p 0 1 C4211 C4209 0 1 R4206 2 7k R4204 1k C4207 0 1 R4202 47 0 1 C4206 1p C4221 47 R4213 R4209 15 L4203 100µ C4205 0 ...

Page 116: ...0µ C1237 15p C1238 TZVY2Z060A110 C1236 3p 0 01 C1234 10µ L1217 0 27µ L1218 470 R1221 2SC5551 Q1208 2 2k R1220 1 2k R1219 0 01 C1233 10µ L1216 47 R1218 15 R1216 0 0047 C1230 0 0047 C1229 D1203 1SV263 D1204 CPH5513 470p C1226 R1222 22k R1224 150 0 1 C1241 R1223 47 C1242 10p 0 39µ L1220 MMBFU310 Q1209 470p C1223 0 0047 C1225 L1212 10µ CPH5513 D1201 10 R1211 47p C1240 R1210 220 C1221 0 1 C1200 0 001 E...

Page 117: ...ca Inc Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Icom Canada A B N 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 61 03 9387 0666 Fax 61 03 9387 0022 URL http www icom net au E mail sales icom net au Icom Australia Pty Ltd 146A Harris Road East Tamaki Auck...

Page 118: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14110HZ C1 C 2004 Icom Inc ...

Search results

Summary of Contents for IC-756PROII

Reviews:

Related manuals for IC-756PROII

Brands by name

Popular brands

Icom IC-756PROII, Service Manual

Search results

Summary of Contents for IC-756PROII

Reviews:

Related manuals for IC-756PROII

Brands by name

Popular brands