Leader LS 8105A Service Manual Download Page 7

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LS 8105A/LS 8106A

SPECIFICATIONS

ITEMS

LS 8105A

LS 8106A

CALIBRATION SIGNAL:

Positive square wave, 1 Vp-p ±1%, Frequency: 1 kHz ±0.1%

INTENSITY MODULATION

Input voltage

Darkens at TTL level (+5 V)

Input impedance

Approx. 10k

Ω

Frequency response
(+10 to +35˚C)

DC to 5 MHz

Maximum input voltage

84 Vp-p or 42 V (DC + AC peak, 1 kHz or less)

CH1 OUTPUT SIGNAL (with 50

Ω

load)

Output voltage

Approx. 50 mVp-p/div.

Output impedance

Approx. 50

Ω

Frequency 1

mV/div,

response

2 mV/div.

100 Hz to 20 MHz

(-3dB)

Over 5 mV/div.

100 Hz to 100 MHz

TRACE ROTATION:

Trace angle is adjustable with a semi-fixed control on panel.

POWER SUPPLY voltage

100/120/220/230 VAC (Voltage fluctuation: within ±10%)

Frequency

50 Hz or 60 Hz

Power consumption

(Maximum value)

45 W, 58 VA

56 W, 69 VA

DIMENSIONS AND WEIGHT (Values enclosed in parentheses include projections.)

Width

305 mm (344mm)

Height

150 mm (165 mm)

Depth

400 mm (459 mm)

Weight

8.8 kg

9.3 kg

ENVIRONMENTAL (Indoor use only)

Altitude

Up to 2000 m

Overvoltage Category

Pollution Degree

TEMPERATURE AND HUMIDITY

Operating

0 to 40˚C, 85% RH or less

Storage

-20 to 70˚C, 85% RH or less

ACCESSORIES

Probe (2 each)

LP-102C : 10 M

Ω

±2%, 12.5 pF ±10%, 1/10 [LS 8105A]

LP-103C : 10 M

Ω

±2%, 12.5 pF ±10%, 1/10 [LS 8106A]

Instruction manual

Adjusting screwdriver

Power cord

Replacement fuse

T1A x 1 (for 100 V area) or T400 mA x 1 (for 200 V area)

(T: Time lag fuse)

REGULATORY INFORMATION

LVD

EN61010-1 & A2 (1995)

EMI

EN55011 (1991), CLASS B

FCC 47CFR, Part 15, Sub-Part B, Class B

IEC801-2 (1991) 8 kVAD

EMS

IEC801-3 (1984) 3V/m
IEC801-4 (1988)

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Summary of Contents for LS 8105A

Page 1: ...SERVICE MANUAL LS 8105A LS 8106A ...

Page 2: ... servicing other than contained in the operating instructions unless you are qualified to do so WARNING CONTENTS Accessories PANEL EXPLANATION 3 SPECIFICATIONS 5 SAFETY 10 ADJUSTMENT 11 PARTS LIST 20 PARTS LIST ELECTRICAL 21 SCHEMATIC DIAGRAM 47 P C BOARD 69 Earth clip Trimmer Earth clip Trimmer LOW CAPACITY PROBE LP 102C LP 103C ...

Page 3: ...4 DECORATIVE PANEL LARGE A21 2477 13 e e W e O e e e e e e e e e W W2 6X e W W 1 e M e N He e e e e e e e e e e e Le e W f W f N f f f f f f f eO 3 Y V4 0Y W g W g W g Y g g g g g g g g g g g g f W 2 6Kf O e M I Le He N 1e f e f e f e f 5e Le J He K O e V4 0Mf h h h h h g W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf W g W g...

Page 4: ...g W g W g Y g g g g g g g g g g g g f e e W2 e 7 0Ye J h 75 h J Y h 6K f I4 f I L e V 1 e N e e 5 e J H e 6Xe W 5f 3 K O 0Yf V4 0Mg e e W g W g W g Y g g g g g g g g g g g g f W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf O2 e W2 0Mf W Mg W Y g 7 Hh J h 7 S 6Kf M I e H eV Le f N 1e g e g e 3 L e J 5e N XeW He KO e I4 0Mf e e...

Page 5: ... axis CH2 X axis Maximum input voltage Same as vertical axis CH2 SWEEP A A sweep Sweep type ALT Alternate A sweep and B sweep B B sweep X Y X Y oscilloscope operation 0 5 s to 50 ns div 2 A sweep 1 2 5 steps 22 ranges Sweep time fine adjustment between ranges 10 to 35 C 50 ms to 50 ns div 2 B sweep 1 2 5 steps 19 ranges fine adjustment between ranges Sweep magnified operation x10 5 8 for over 0 5 ...

Page 6: ... to 35 C AUTO Same as above specifications for above 40 Hz The table shows the sensitivities in terms of the amplitude displayed on the CRT min for the HFREJ sensitivity shoes that the amplitude necessary for synchronization increases FIX Same as above specifications for above 50 Hz e e W e O e e e e e e e e e W W2 6X e W W 1 e M e N He e e e e e e e e e e e Le e W f W f N f f f f f f f eO 3 Y V4 ...

Page 7: ...B IEC801 2 1991 8 kVAD EMS IEC801 3 1984 3V m IEC801 4 1988 e e W e O e e e e e e e e e W W2 6X e W W 1 e M e N He e e e e e e e e e e e Le e W f W f N f f f f f f f eO 3 Y V4 0Y W g W g W g Y g g g g g g g g g g g g f W 2 6Kf O e M I Le He N 1e f e f e f e f 5e Le J He K O e V4 0Mf h h h h h g W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e ...

Page 8: ...o 1 MHz 0 5 div to in a graticule range 1 MHz to 5 MHz 2 div to in a graticule Frequency range 10 Hz to 5 MHz Effective number of digit 3 digits 10 Hz to 40 Hz 8 attenuator setting range V div x 0 04 div Accuracy 40 Hz to 1 MHz 3 attenuator setting range V div x 0 04 div 1 MHz to 5 MHz 5 attenuator setting range V div x 0 04 div DC voltage DCV Mode is selected in cursor mode Mean DC voltage is dis...

Page 9: ... Y V4 0Y W g W g W g Y g g g g g g g g g g g g f W 2 6Kf O e M I Le He N 1e f e f e f e f 5e Le J He K O e V4 0Mf h h h h h g W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf W g W g W g Y g g g g g g g g g g g g f e e W2 e 7 0Ye J h 75 h J Y h 6K f I4 f I L e V 1 e N e e 5 e J H e 6Xe W 5f 3 K O 0Yf V4 0Mg e e W g W g W g Y g ...

Page 10: ... volt 50Hz Rated 10 amp Fig 1 Power Input Voltage Configuration Plug configuration power cord and plug type Factory installed instrument fuse 0 7A 250V slow blow 5x20mm 0 3A 250V slow blow 5x20 mm 0 3A 250V slow blow 5x20 mm 0 3A 250V slow blow 5x20 mm 0 3A 250V slow blow 5x20mm 0 3A 250V slow blow 5x20 mm Line cord plug fuse None None None Parts No for power cord E30 1952 05 E30 1963 15 E30 1953 ...

Page 11: ...CH1 ON AUTO ON ON ON Test Equipment Model NAME OF KNOBS POSITION INTENSITY FOCUS POSITION VARIABLE AC GND DC VOLT DIV A B SWEEP TIME DIV COARSE FINE HOLD OFF TRACE SEP TRIGGERING H MODE TRIGGERING COUPLING TRIGGERING SOURCE TRIGGERING MODE TRIGGERING LEVEL SLOPE MODE B TRIG D AFTDLY X10 MAG ADD CH2 INV Table 3 12 O clock 12 O clock 12 O clock CAL DC 5V DIV Fully counter clock wise Counter clock wi...

Page 12: ... MAX CAL position Ensure that the trace does not move when VARIABLE is switched between MINíîMAX V MODE CH1 AC DC GND both CH VOLTS 5mV both CH H MODE A CH2 Step ATT Balance VR201 X73 2240 1 Adjust so that the trance does not move when VOLTS is switched from 5mV to 2mV Adjust after switching to 2mV with reference to the 5mV position V MODE CH2 AC DC GND VOLTS 5mV both CH H MODE A e e W e O e e e e...

Page 13: ...S 8105A 1mV VR104 X73 2210 X73 2240 1 Input a 50mV square wave signal Use the pulse generator 2 Adjust so that the amplitude is 5 div 10mV range 3 Switch VOLTS to 1mV and input a 5mV square wave signal 4 Adjust so that the amplitude is 5 div 1mV range V MODE CH1 AC DC DC VOLTS 10mV H MODE A VARI CAL V MODE CH1 CH2 CH3 VOLTS 5mV H MODE A AC DC GND X73 2240 14 1 Input a 50mV square wave signal Use t...

Page 14: ...r interval is 8 div 3 Maximize the cursor interval by operating the cursor POSI controls 4 Adjust VR401 to make it uniform V MODE CH1 CH2 AC DC GND both CH VOLTS 10mV both CH A SWEEP 1ms R O ON 1 T H MODE A 22 Iuminosity length only with a LS 8105A VR307 X74 1640 1 The marker signal for 1ms is inputted into CH1 INPUT 2 SWEEP LENGTH is 11 5div It adjusts so that it may become V MODE CH1 AC DC DC A ...

Page 15: ...VEL so that the waveform starts from the scale center line 3 Switch COUPLING to DC and adjust so that the waveform starts from the scale center line V MODE CH1 AC DC DC TRIG MODE AUTO VOLTS 10mV COUPLING AC A SWEEP TIME 0 2ms 28 TRIG ADD VR372 X73 2240 1 Set the traces of each CH to the scale center position by operating V POSI 2 Switch CH1 and CH2 to OFF and ADD to ON 3 Input 1kHz sine wave to CH...

Page 16: ...r switch 2 Input DC 50mV to CH1 3 Turn on GND once and then turn it off Operate VR402 so that the measured DCV will be 49 5mV to 50 5mV 33 TRIG SOURCE CH1 VOLTS 10mV AC DC DC 3 div 2 div 34 X Gain VR301 X74 1640 1 Input a 50mV square wave signal to CH2 2 Adjust so that the amplitude is 5 div 10mV range Make the adjustment to 5 div at the CRT center H MODE X Y AC DC DC VOLTS 10mV VARI CAL ADJUSTMEN...

Page 17: ...Y V4 0Y W g W g W g Y g g g g g g g g g g g g f W 2 6Kf O e M I Le He N 1e f e f e f e f 5e Le J He K O e V4 0Mf h h h h h g W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf W g W g W g Y g g g g g g g g g g g g f e e W2 e 7 0Ye J h 75 h J Y h 6K f I4 f I L e V 1 e N e e 5 e J H e 6Xe W 5f 3 K O 0Yf V4 0Mg e e W g W g W g Y g g...

Page 18: ...lay to 0 40 ms with FINE 3 Adjust VR103 so that the start of B sweep is aligned with 0 4 div of the scale 4 Turn the MAIN and FINE potentiometers of D T M control fully clockwise 5 Adjust the R O display to 10 00 ms with FINE 6 Adjust VR104 so that the start of B sweep is aligned with 10 00 div of the scale 43 Moving caracter TC302 1 Adjust so that the R O caracter does not move Set R O capaciter ...

Page 19: ...f e f 5e Le J He K O e V4 0Mf h h h h h g W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e g e g e g e 3 L e J 5e N 1 e 7 He 3 LeJ 5 e V KO Y e V4 0Yf W g W g W g Y g g g g g g g g g g g g f e e W2 e 7 0Ye J h 75 h J Y h 6K f I4 f I L e V 1 e N e e 5 e J H e 6Xe W 5f 3 K O 0Yf V4 0Mg e e W g W g W g Y g g g g g g g g g g g g f W2 6Xf W MI X e 7 HeN 1 e J 5 e 3 Le 7 H e N 1e g e g e g e ...

Page 20: ...540 00 PANEL SWITCH UNIT LS 8106A X66 1550 00 PANEL VR UNIT LS 8106A X68 1920 00 POWER HIGHVOLTAGE UNIT LS 8106A X73 2210 02 FINAL AMP UNIT LS 8106A X73 2240 02 VERTICAL UNIT LS 8106A X74 1640 02 HORIZONTAL UNIT LS 8106A X77 2350 00 READ OUT UNIT LS 8106A New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden ni...

Page 21: ... 0439 05 TACT SWITCH S4 S70 0439 05 TACT SWITCH S5 S70 0439 05 TACT SWITCH S9 S70 0439 05 TACT SWITCH S10 S70 0439 05 TACT SWITCH S11 S70 0439 05 TACT SWITCH S12 S70 0439 05 TACT SWITCH S17 S70 0439 05 TACT SWITCH S18 S70 0439 05 TACT SWITCH S19 S70 0439 05 TACT SWITCH S20 S70 0439 05 TACT SWITCH S21 S70 0439 05 TACT SWITCH S22 S70 0439 05 TACT SWITCH S23 S70 0439 05 TACT SWITCH S24 S70 0439 05 TA...

Page 22: ...4 R31 0815 05 VARIABLE RESISTOR 20K VR5 R31 0816 05 VARIABLE RESISTOR 20K VR6 R31 0816 05 VARIABLE RESISTOR 20K VR7 R31 0816 05 VARIABLE RESISTOR 20K VR8 R31 0816 05 VARIABLE RESISTOR 20K VR9 R31 0815 05 VARIABLE RESISTOR 20K VR101 R05 3521 05 VARIABLE RESISTOR 20K VR102 R05 3521 05 VARIABLE RESISTOR 20K VR103 R12 5540 05 RES SEMI FIXED 100K VR104 R12 5540 05 RES SEMI FIXED 100K VR105 R05 3521 05 ...

Page 23: ...CARBON 100 5 1 6W Name Description R37 RD14BB2C101J RES CARBON 100 5 1 6W R38 RD14BB2C102J RES CARBON 1K 5 1 6W R39 RD14BB2C102J RES CARBON 1K 5 1 6W R40 RD14BB2C222J RES CARBON 2 2K 5 1 6W R46 RD14BB2C153J RES CARBON 15K 5 1 6W R47 RD14BB2C153J RES CARBON 15K 5 1 6W R48 RD14BB2C153J RES CARBON 15K 5 1 6W R49 RD14BB2C153J RES CARBON 15K 5 1 6W R50 RD14BB2C122J RES CARBON 1 2K 5 1 6W R51 RD14BB2C10...

Page 24: ...CTRO 220u 20 80 25V C119 CK45FB1H472K CAP CERAMIC 4700p 10 50V C120 CK45FB1H222K CAP CERAMIC 2200p 10 50V C121 CK45E3D102P CAP CERAMIC 1000p 100 0 2KV C125 C91 2663 05 4700p 2KV C126 CE04EW1E102M CAP ELECTRO 1000u 20 80 25V C127 CE04EW1E102M CAP ELECTRO 1000u 20 80 25V C128 CK45FB2H472K CAP CERAMIC 4700p 10 500V C150 C91 1361 05 CAP FILM 0 01u 100V CN6 E40 3239 05 PIN CONNECTOR 4P CN16 E40 7040 05...

Page 25: ...K 5 1 6W R113 RD14BB2C562J RES CARBON 5 6K 5 1 6W R114 RD14BB2C134J RES CARBON 130K 5 1 6W R115 RD14BB2C152J RES CARBON 1 5K 5 1 6W R116 RD14BB2C470J RES CARBON 47 5 1 6W Ref No Name Description R117 RD14BB2C204J RES CARBON 200K 5 1 6W R118 RD14BB2C103J RES CARBON 10K 5 1 6W R119 RD14BB2E515J RES CARBON 5 1M 5 1 4W R120 RD14BB2C470J RES CARBON 47 5 1 6W R121 RD14BB2E515J RES CARBON 5 1M 5 1 4W R12...

Page 26: ...0 FERRI INDUCTOR 0 1u 10 L61 L40 4781 17 FERRI INDUCTOR 0 47uH 10 L62 L40 6881 17 FERRI INDUCTOR 0 68uH 10 L63 L40 4781 17 FERRI INDUCTOR 0 47uH 10 L64 L40 6881 17 FERRI INDUCTOR 0 68uH 10 L201 L33 0808 05 CHOKE COIL L202 L40 1581 70 FERRI INDUCTOR 0 15u 10 L203 L40 1581 70 FERRI INDUCTOR 0 15u 10 P1 E23 1520 05 EARTH TERMINAL P2 E23 1520 05 EARTH TERMINAL P3 E23 1520 05 EARTH TERMINAL Q1 2SA1161 ...

Page 27: ...o Name Description R89 R92 2724 05 RESISTOR 390 2W R90 R92 2724 05 RESISTOR 390 2W R91 R92 2724 05 RESISTOR 390 2W R92 R92 2724 05 RESISTOR 390 2W R93 RD14BB2C241J RES CARBON 240 5 1 6W R95 RD14BB2C241J RES CARBON 240 5 1 6W R97 RD14BB2C104J RES CARBON 100K 5 1 6W R98 RD14BB2C104J RES CARBON 100K 5 1 6W R100 RD14BB2C622J RES CARBON 6 2K 5 1 6W R101 RD14BB2C622J RES CARBON 6 2K 5 1 6W R102 RD14BB2C...

Page 28: ... CAP CHIP 2 1 25 0 01u 10 50V C166 CK73FF1E104Z CAP CHIP 2 1 25 0 1u 20 80 25V C167 CK73FB1H103K CAP CHIP 2 1 25 0 01u 10 50V C168 CK73FB1H103K CAP CHIP 2 1 25 0 01u 10 50V C169 CK73FB1H103K CAP CHIP 2 1 25 0 01u 10 50V C170 CK45FB2H472K CAP CERAMIC 4700p 10 50V C171 CK73FF1E104Z CAP CHIP 2 1 25 0 1u 20 80 25V C172 CC73FSL1H102J CAP CHIP 2 1 25 1000p 5 50V C173 CK73FB1H103K CAP CHIP 2 1 25 0 01u 1...

Page 29: ...V CN4 E40 7515 05 PIN CONNECTOR 3P CN13 E40 7515 05 PIN CONNECTOR 3P CN26 E40 7579 05 PIN CONNECTOR 27P CN30 E40 5067 05 PIN CONNECTOR 10P CN30 E40 3242 05 PIN CONNECTOR 7P D1 DAP202K DIODE D2 1SS272 DIODE D3 1SS272 DIODE D4 1SS272 DIODE D5 MA111 DIODE Ref No Name Description D51 DAP202K DIODE D52 1SS272 DIODE D53 1SS272 DIODE D54 1SS272 DIODE D55 MA111 DIODE D101 UDZ6 8B ZENER DIODE D102 1SS272 D...

Page 30: ...Q R TR SI PNP Q312 2SC2735 TR SI NPN Q313 2SA1738 Q R TR SI PNP Q351 DTA114YKA TRANSISTOR Q371 2SC3779 D TR SI NPN Q372 2SC2412K R TR SI NPN Q373 2SC2412K R TR SI NPN Q374 2SC3779 D TR SI NPN Q551 2SA1738 Q R TR SI PNP Q552 2SA1738 Q R TR SI PNP Q553 2SC3775 3 TR SI NPN Q554 2SC3775 3 TR SI NPN Q561 2SA1738 Q R TR SI PNP Q562 2SA1738 Q R TR SI PNP Q563 2SC3775 3 TR SI NPN Q564 2SC3775 3 TR SI NPN ...

Page 31: ...73FB2A153J RES CHIP 2 1 25 15K 5 1 10W R87 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R88 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R89 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R90 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R91 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R92 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R93 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R94 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R95 RK73F...

Page 32: ... R206 RK73FB2A102J RES CHIP 2 1 25 1K 5 1 10W R207 RN73FH2A240D RES CHIP 2 1 25 24 0 5 1 10W R208 RK73FB2A121J RES CHIP 2 1 25 120 5 1 10W R209 RK73FB2A471J RES CHIP 2 1 25 470 5 1 10W R210 RN14BK2E9003D RES METAL FILM 900K 0 5 1 4W R211 RN73FH2A513B RES CHIP 2 1 25 51K 0 1 1 10W R212 RK73FB2A220J RES CHIP 2 1 25 22 5 1 10W R213 RN73FH2A912D RES CHIP 2 1 25 9 1K 0 5 1 10W R214 RN73FH2A820D RES CHI...

Page 33: ...329 RN73FH2A332D RES CHIP 2 1 25 3 3K 0 5 1 10W R330 RN73FH2A682D RES CHIP 2 1 25 6 8K 0 5 1 10W R331 RN73FH2A431D RES CHIP 2 1 25 430 0 5 1 10W R332 RN73FH2A821D RES CHIP 2 1 25 820 0 5 1 10W R333 RN73FH2A821D RES CHIP 2 1 25 820 0 5 1 10W R334 RK73FB2A273J RES CHIP 2 1 25 27K 5 1 10W R335 RK73FB2A243J RES CHIP 2 1 25 24K 5 1 10W R336 RK73FB2A151J RES CHIP 2 1 25 150 5 1 10W R337 RK73FB2A151J RES...

Page 34: ...Name Description R682 RK73FB2A220J RES CHIP 2 1 25 22 5 1 10W R691 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R692 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R693 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R694 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R901 RD14BB2C220J RES CARBON 22 5 1 6W R902 RD14BB2C220J RES CARBON 22 5 1 6W R903 RD14BB2C220J RES CARBON 22 5 1 6W TC101 C05 0495 05 CAP SERAMIC TRIMMER 6P ...

Page 35: ...CAP FILM 0 47u 5 100V C127 CK73FB1E104K CAP CHIP 2 1 25 0 1u 10 25V C128 CC73FCH1H390J CAP CHIP 2 1 25 39p 5 50V C129 C91 2582 05 CAP FILM 0 47u 5 100V C130 CE04LW1C101M CAP ELECTRO 100u 20 16V C131 CE04LW1C101M CAP ELECTRO 100u 20 16V C132 CC73FCH1H220J CAP CHIP 2 1 25 22p 5 50V C133 CC73FCH1H220J CAP CHIP 2 1 25 22p 5 50V C134 CC73FCH1H331J CAP CHIP 2 1 25 330p 5 50V C135 CK73FB1H103K CAP CHIP 2...

Page 36: ...567 CK73FB1E104K CAP CHIP 2 1 25 0 1u 10 25V C568 CK73FB1E104K CAP CHIP 2 1 25 0 1u 10 25V C569 CK73FB1E104K CAP CHIP 2 1 25 0 1u 10 25V C570 CC73FSL1H102J CAP CHIP 2 1 25 1000p 5 50V Ref No Name Description C571 CC73FSL1H102J CAP CHIP 2 1 25 1000p 5 50V C572 CE04HW1A221M CAP ELECTRO 220u 20 10V C579 CC73FCH1H391J CAP CHIP 2 1 25 390p 5 50V C583 CC73FCH1H060D CAP CHIP 2 1 25 6p 0 5 50V C591 CC73FS...

Page 37: ... INPUT DUAL OP AMP IC404 NJM4558V IC DUAL OP AMP IC405 NJM4558V IC DUAL OP AMP IC406 NJM4558V IC DUAL OP AMP IC408 HD74HC595FP IC 8 BIT SHIFT REGISTER LATCH 3 STATE IC409 TC4053BF IC TRIPLE 2 CH MPX DE MPX IC410 HD74HC595FP IC 8 BIT SHIFT REGISTER LATCH 3 STATE IC412 HD74HC595FP IC 8 BIT SHIFT REGISTER LATCH 3 STATE IC413 HD74HC595FP IC 8 BIT SHIFT REGISTER LATCH 3 STATE IC501 NJM2901V IC CONVERTE...

Page 38: ...I NPN Q310 2SC2412K R S TR SI NPN Q311 2SC2735 TR SI NPN Q312 2SC2735 TR SI NPN Q313 2SA1738 Q R TR SI PNP Q314 2SC2735 TR SI NPN Q315 2SC2735 TR SI NPN Q316 2SA1738 Q R TR SI PNP Q317 2SC4732 E TR SI NPN Q318 2SC4732 E TR SI NPN Q319 2SC2551 O TR SI NPN Q320 2SA1828 E TR SI PNP Q321 2SA1828 E TR SI PNP Q401 2SC3775 3 TR SI NPN Q402 2SC2412K R S TR SI NPN Q403 2SC2412K R S TR SI NPN Q404 2SC3735 B...

Page 39: ... CHIP 2 1 25 100 5 1 10W R78 RK73FB2A103J RES CHIP 2 1 25 10K 5 1 10W R79 RK73FB2A223J RES CHIP 2 1 25 22K 5 1 10W R80 RK73FB2A473J RES CHIP 2 1 25 47K 5 1 10W R81 RK73FB2A223J RES CHIP 2 1 25 22K 5 1 10W R82 RK73FB2A103J RES CHIP 2 1 25 10K 5 1 10W R83 RK73FB2A153J RES CHIP 2 1 25 15K 5 1 10W R84 RN73FH2A184D RES CHIP 2 1 25 180K 0 5 1 10W R85 RN73FH2A184D RES CHIP 2 1 25 180K 0 5 1 10W R86 RK73F...

Page 40: ...1 25 100 5 1 10W R198 RK73FB2A432J RES CHIP 2 1 25 4 3K 5 1 10W R199 RN73FH2A183D RES CHIP 2 1 25 18K 0 5 1 10W R200 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R201 RK73FB2A432J RES CHIP 2 1 25 4 3K 5 1 10W R202 RK73FB2A561J RES CHIP 2 1 25 560 5 1 10W R203 RN73FH2A183D RES CHIP 2 1 25 18K 0 5 1 10W R204 RK73FB2A561J RES CHIP 2 1 25 560 5 1 10W R205 RK73FB2A223J RES CHIP 2 1 25 22K 5 1 10W R206 RK73...

Page 41: ... RES CHIP 2 1 25 2 4K 5 1 10W R330 RK73FB2A912J RES CHIP 2 1 25 9 1K 5 1 10W R331 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R332 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R333 RK73FB2A301J RES CHIP 2 1 25 300 5 1 10W R334 RK73FB2A391J RES CHIP 2 1 25 390 5 1 10W R335 RK73FB2A391J RES CHIP 2 1 25 390 5 1 10W R336 RK73FB2A472J RES CHIP 2 1 25 4 7K 5 1 10W R337 RK73FB2A390J RES CHIP 2 1 25 39 5 1 10W R...

Page 42: ...10W R460 RK73FB2A332J RES CHIP 2 1 25 3 3K 5 1 10W R461 RK73FB2A561J RES CHIP 2 1 25 560 5 1 10W R462 RK73FB2A471J RES CHIP 2 1 25 470 5 1 10W R463 RK73FB2A222J RES CHIP 2 1 25 2 2K 5 1 10W R464 RK73FB2A222J RES CHIP 2 1 25 2 2K 5 1 10W R465 RK73FB2A303J RES CHIP 2 1 25 30K 5 1 10W R466 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R467 RK73FB2A470J RES CHIP 2 1 25 47 5 1 10W R468 RK73FB2A102J RES CHIP ...

Page 43: ...TH701 R92 1552 05 RES TEMP COEFFICIENT 180 5 TH702 R92 1560 05 RES TEMP COEFFICIENT TH703 R92 2733 05 RES TEMP COEFFICIENT 3K 5 VR1 R12 0680 05 RES SEMI FIXED 47K VR2 R12 0680 05 RES SEMI FIXED 47K VR101 R12 5569 05 RES SEMI FIXED 100K VR102 R12 3599 05 RES SEMI FIXED 22K VR103 R12 0680 05 RES SEMI FIXED 47K VR104 R12 1860 05 RES SEMI FIXED 1K VR105 R12 0694 05 RES SEMI FIXED 4 7K VR106 R12 0680 0...

Page 44: ...F1H103Z CAP CHIP 2 1 25 0 01u 20 80 50V C97 CC73FCH1H100D CAP CHIP 2 1 25 10p 0 5 50V C98 CK73FF1H103Z CAP CHIP 2 1 25 0 01u 20 80 50V C101 CK73FB1H102K CAP CHIP 2 1 25 1000p 10 50V CN8 E40 7594 05 PIN CONNECTOR 18P CN9 E40 3237 05 PIN CONNECTOR 2P CN10 E40 7624 05 PIN CONNECTOR 16P CN12 E40 3243 05 PIN CONNECTOR 8P CN20 E40 5314 05 PIN CONNECTOR 25P CN23 E40 3243 05 PIN CONNECTOR 8P CN27 E40 3242...

Page 45: ... 1 10W R83 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R84 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R85 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R86 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R87 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R88 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R89 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R90 RK73FB2A101J RES CHIP 2 1 25 100 5 1 10W R91 RK73FB2A101J RES CHIP 2 1 25 ...

Page 46: ...are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert 5 Parts No Ref No e e W e O e e e e e e e e e W W 2 6 X e W W 1 e M e N H e e e e e e e e e e e e L e e W f W f N f f f f f f f e O 3 Y V 4 0 Y W g W g W g Y g g g g g g g g g g g g f W 2 6 K f O e M I L e H e N 1 e f e f e f e f 5 e L e J H e K O e V 4 0 M f h h h h h g W 2...

Page 47: ...A C E G I B D F H J 2 1 3 5 7 4 6 X73 2240 03 B 2 LS 8105A OVER ALL ...

Page 48: ... 5V 3 5V DL 2 GND GND NC GND BLK GND NC GND WH501 10 10 REF4R1 EXT Z H EXT Z 170V GND 12V GND GND R O Y GND A B INT DCB DCV CN1 DTP EXT Z CN32 ENCSA 12V 12V NC 230V NC 5V 12V 5V 55V 12V 12V T SEP 25 24 T SIG R O INT T SIG 8 DTP 5 ENC1A CN105 12V ENCSB GND 6 GND Y Y 12V 10 DL GND 5V CN12 LSHIFT 5V LSHIFT T LINE T LINE VAR1 ENC1B GND 8 8 67V LLATCH 8 1 2 LLATCH GND CH2PB ROT COIL INPUT VAR2 DCRST DC...

Page 49: ...1 0 5 S29 S30 S31 S18 S19 S20 R1 10K R2 10K R3 10K R4 10K R5 10K R6 10K R7 10K R8 10K MENUSET MENUSET CURSOR MODE CH1 CH1 CH1 CH1 AC DC AC DC AC DC CH1 CH1 QB QA SER Vcc QC QD QE G D5 V1 R9 D6 D10 D11 D15 D16 D21 D20 D22 D23 D17 D18 D19 R15 R14 D25 D26 D27 D28 D28 D30 R21 R20 R19 R18 R17 R16 D24 D12 D13 D14 D7 D8 R10 560 560 560 560 560 560 560 560 560 560 560 560 560 R11 R13 R12 D9 QF RCK SCK SCL...

Page 50: ...1 0 1 2 0 k V R 1 0 2 2 0 k 2 2 k R 1 2 0 V R 1 0 3 1 0 0 k V R1 0 4 1 0 0 k SCALE ILLUM R27 24k V3 V3 IC1 2 2 INTENSITY NJM4558L FOCUS R119 12k TRACE ROT V7 V5 V6 R O INTEN 2 1 1 8k Q101 R113 1k R118 15K R117 12k H OFF T SEP IC1 1 2 NJM4558L REF R26 20k V2 S2 2 2 R7 1 0K R8 1 0 K V3 V2 B A R21 100 R22 100 1 25 COM S3 SWEEP VARH S3 2 2 B B A A CH2 S2 V1 1 2 S1 S1 CH1 1 2 2 2 COM COM V2 ENCSA ENCSB...

Page 51: ...AO AQ AS AU AW AP AR AT AV AX 2 1 3 5 7 4 6 IC1 Q3 Q101 102 NJM4558L 2SA933AS R S 2SC1740S R S 3 SCHEMATIC DIAGRAM LS 8105A PANEL UNIT X66 1560 00 A 3 B 3 C 3 ...

Page 52: ...LS 8105A X68 1920 00 LS 8106A OUT TEST FOUT GND CTL4 CTL5 CTL6 CTL1 CTL2 CTL3 NC NC VDD _RESET CSKL KRC 9 8 1 16 00 LS 8106A 01 LS 8105A C150 0 01u 100V CN6 USED R9 12 18 3W 10 3W 24 3W R16 R51 51 1 6W 47 1 6W R150 15K 1 4W W63 65 603 USED USED X1 AY AZ BB BD BF BH BA BC BE BG 2 1 3 5 7 4 6 SCHEMATIC DIAGRAM ...

Page 53: ...P 10u 15P 20k 22 22 100 2P 2 2k 3P Q5 1 5k 1 5k 0 01u 16V 1 3k 1000P 15 22 22 47 22 22 82 1W 82 1W 820P 39F 10k 47 1W 1 4W 0 47u 18k 100B 33 47 1W 240 100 390 2W 390 2W 390 2W 390 2W 390 2W 390 2W 390 2W 2W 390 2W 240 0 47uH 0 15u 0 15u 820 820 Q100 R38 R32 R33 03 LS 8105A 02 LS 8106A C15 16 5p 50V 3p 50V C201 0 1u 250V C202 203 1000p 400V D100 101 used used used IC1 L3 201 Q100 R32 2 2K 1 4W R33 ...

Page 54: ... 12 X73 2240 02 LS 8106A VERTICAL UNIT X73 2240 03 LS 8105A LS 8105A LS 8106A 03 LS 8105A 02 LS 8106A C301 100p 5p 8p 10P 7P 7p C313 C315 CN26 CN30 D351 USED USED USED USED USED IC401 IC501 IC502 K351 Q351 USED R37 2 2K R38 16K 5 1K 4 7K 360 R39 R42 R64 75K 10K R65 5 6K 3 3K R66 942K 62 2K R301 R302 22 R303 R305 470 120 R304 R306 R344 R401 R403 390 03 LS 8105A 02 LS 8106A R402 R404 330 47K R408 10...

Page 55: ... 01u 10k 10k 10k 10k 16k 5 1k 5 1k 2 2k 5 1k 5 1k 0 01u 10k 10k 10k 4700P 10 10k 16k 5 1k 5 1k 2 2k 5 1k 5 1k 0 01u 10k 10k 10k 10 10 2 2k 1u 1u 1u 390k 5P 18P 360k 4 3k 1 5k 30k 3P 6 2k 2 4k 1 2k CC CE CG CI CK CD CF CH CJ CL 2 1 3 5 7 4 6 SCHEMATIC DIAGRAM LS 8105A HORIZONTAL UNIT X74 1640 03 ...

Page 56: ...6 3V R433 240 180 100P 0 01u 47 22k 620 6 3V 16V 16V 25V 1M 20k 10k 20k 10k 1M 24k 10k 15k 10k 15k 100 100 4 3k 4 3k 25V 25V 1u 1u 22k 2 2k 16V 100V 100V 16V 22P 25V 6 3V 3 3k 4 7u 560k 10V 6 3V 4 7k 2k 2 2k 3k 16V 250V 4 7k 4 7k 4 7k 4 7k 100 1 5k 0 1u 300k 360k 6 3V 6P 1u 47 47 2 2k 2 2k 560 820 820 9 1k 100 3 3k 100 100k 7P 100k 7P 240 240 10k 100 100 3k 9 1k 68P 2k 12k 820 120 120 240 2 2k 6 2...

Page 57: ...CW CY DA DC DE CX CZ DB DD DF 2 1 3 5 7 4 6 SCHEMATIC DIAGRAM LS 8106A READ OUT UNIT X77 2350 00 25 ...

Page 58: ... 1550 00 W7 S2 R8 R2 C4 R4 R26 S3 C1 C2 C3 W6 W20 R105 WH31 X66 1550 00 R118 VR101 R113 R117 W30 VR103 CN101 Q102 Q101 S1 W25 R18 1 CN20 W1 R10 W15 W2 W5 R9 W26 W3 R7 R12 W18 W14 W22 W21 VR8 W8 W9 R27 W34 W13 W29 W28 R19 A 2 VR2 VR4 25 2 24 W12 R20 VR5 W17 R15 R17 W16 W10 W33 VR1 VR3 R6 R21 R22 R11 R5 W24 C5 R13 R1 IC1 W19 W4 VR6 VR7 R3 W27 R16 VR9 W23 R14 R23 R24 R25 PL101 PL102 B 2 PL103 R116 VR...

Page 59: ...enter and ASTIG K M O Q S L N P R T 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 71 72 PANEL UNIT X66 1560 00 A 3 POWER HIGH VOLTAGE UNIT X68 1920 01 B 3 C 3 4 ...

Page 60: ...3 Q113 L62 CN5 L61 R93 R97 L63 R95 R98 CN105 Q114 Q14 14 R80 R77 R81 C17 R74 R52 R78 R56 C9 R54 Q12 Q11 TH2 R68 R64 C109 12 Q108 R50 R48 103 9 R32 C105 R35 15 Q106 VR2 16 L2 C106 C103 8 D101 R84 7 R34 R30 21 6 5 23 C104 C107 22 R37 R103 20 R101 Q4 Q1 C11 R14 CN14 R12 R3 C92 R2 CN4 R31 R6 C10 Q2 R5 R4 C91 R1 C301 R17 R8 R15 R18 R9 C108 R7 R11 R13 R16 C13 VR1 R19 R23 C1 R20 R102 R100 TC1 C14 R10 Q3 ...

Page 61: ...y CH2 waveform shaping CH1 waveform shaping CH2 gain 1mV CH2 1MHz square wave CH1 TRIG AC coupling CH1 TRIG DC coupling CH3 TRIG DC coupling CH3 1MHz square wave CH2 waveform shaping CH3 Input capacity CH3 center CH2 VARIABLE Blance CH2 INV Blance CH2 Step ATT Blance CH2 center AE AG AI AK AM AF AH AJ AL AN 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC B...

Page 62: ...77 Forcus center ASTIG CH1 TRIG AC coupling A SWEEP 1ms Stop Start A SWEEP 0 2µs Cursor POSI Moving caracter Cursor X Gain Operationg voltage MAG GAIN MAG center A SWEEP 0 05µs B SWEEP 0 2µs X GAIN H POSI X POSI A SWEEP 10µs B SWEEP 10µs B SWEEP 1ms A B SWEEP start points FIX Level TRIG Level DC voltmeter AC voltmeter HORIZONAL UNIT X74 1640 0X A 2 ...

Page 63: ...AY BA BC BE BG AZ BB BD BF BH 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 79 80 HORIZONAL UNIT X74 1640 0X B 2 ...

Page 64: ... BL BN BP BR BK BM BO BQ 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 82 81 READ OUT UNIT X77 2350 00 A 2 READ OUT UNIT X77 2350 00 B 2 ...

Page 65: ...LS 8105A LS 8106A 83 PARTS DESCRIPTIONS ...

Page 66: ...an PHONE 81 45 541 2123 FAX 81 45 541 2823 May 3 2001 980401K Printed in Korea SUBSIDIARIES LEADER INSTRUMENTS ASIA PTE LTD SINGAPORE PHONE 65 298 2211 LEADER INSTRUMENTS EUROPE LTD PHONE 44 1628 788065 LEADER INSTRUMENTS H K LTD PHONE 852 2721 2503 LEADER INSTRUMENTS CORP U S A PHONE 1 516 231 6900 ...

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Summary of Contents for LS 8105A

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Leader LS 8105A, Service Manual, Page: 7 / 66

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Summary of Contents for LS 8105A

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