Kenwood pds20-18, Service Manual

Page 1: ...TAGE CURRENT FAST SLOW CC CV CVP OUTPUT 8 8 8 8 8 8 8 8 0 60V 6A GND Front Panel PDS20 18 A63 0309 03 PDS36 10 A63 0311 03 PDS60 6 A63 0315 03 Handle K01 0556 05 Push Button K29 7204 04 Circuit Protector S79 0625 05 Terminal White E21 0807 03 Terminal Red E21 0806 03 Rubber Foot J02 0506 05 Terminal White E21 0807 03 Terminal Red E21 0806 03 Terminal Black E21 0808 03 Rotary Encoder K21 0911 04 ...

Page 2: ...avoid electric shock do not perform any servicing other than contained in the operating instructions unless you are qualified to do so WARNING CONTENTS SPECIFICATIONS 3 CIRCUIT DESCRIPTION 6 BLOCK DIAGRAM 11 ADJUSTMENT 18 PARTS LIST UNIT 21 PARTS LIST ELECTRICAL 22 SCHEMATIC DIAGRAM 35 P C BOARD 42 ...

Page 3: ...to 10V External voltage curve 10 to 0V External resistance curve 0 to10kΩ 3 50mV External resistance curve 10k to 0Ω 3 100mV Constant current characteristics Power regulation 5mA 1mA Load regulation 5mA Ripple noise rms 5 Hz 1MHz 10mArms 5mArms Temperature coefficient typ 100ppm C Analog remote control setting accuracy IF 30A optional board is used External voltage curve 0 to 10V External voltage ...

Page 4: ...rize three output voltage and currents FAST SLOW key Changes output voltage and current setting speed ON OFF control Enabled with input contact signals POWER switch shut down Enabled with input contact signals Output voltage remote sensing Compensates for 1 V voltage drop on single side Protector circuit Output over voltage OVP Variable between 10 and 110 of F S Turns off Input POWER switch when O...

Page 5: ...meters Output terminal protector Cover 1 GND cable 1 Egg shape lug terminal 1 Options Analog I O board Controls output voltage and current using external voltage and resistance Output monitored voltage and current and other signals GP IB board Sets and reads back voltage and current turns on and off output Reads back status RS 232C board Sets and reads back voltage and current turns on and off out...

Page 6: ...onitor signal detected by the power unit is output as the current monitor signal about 2 8 V at the full scale by the monitor amplifier IC107 1 2 The OVP signal set on the panel is output as OVP set voltage monitor signal about 2 8 V at the maximum voltage through the buffer amplifier IC103 This monitor circuitis a sequential comparator circuit Out put monitor signals are selected by IC15 compared...

Page 7: ...ion and turns on Q16 to deactivate the bleeder circuit The output bleeder circuit has a constant current circuit consisting of Q20 It bleeds current as shown in Table 3 It is turned on or off by the bleeder signal output by the control unit Model Input side Bleeder current Switching Voltage Off Current 20 18 About 1A About 20V About 3 5 A 36 10 About 1A About 10V About 3 A 60 6 About 0 5A About 30...

Page 8: ...sent to the CPU by IC9 and IC14 Output Ports IC10 to IC19 IC16 The below shown signals to the control unit are output from the IC16 output port These signals are isolated by the control unit serial data to be sent to the D A converter circuit Clock pulses for operating various elements in the D A converter circuit Strobe signals for controlling the D Aconverter circuit IC17 Signals for the panel u...

Page 9: ...witching of Q1 based on such signals Internal 3 5 V Rectifier and Smoother This circuit produces rectified and smoothed internal voltage of 3 5 V at pins 15 and 16 of the sub Transformer T1 which supplied to the power Unit X68 1970 0x and control unit X77 2120 0x Internal 15 V Rectifier and Smoother This circuit p roduces rectified and smoothed Internal voltage of 15 V at pins 10 to 12 of the sub ...

Page 10: ... detectoruses R14 R15 and R19 to detect the primaryAC voltage and outputs signals controlled by IC100 PH100 and Q101 to the control IC IC1 Main Power Secondary Side Rectifier and Smoother This circuit rectifies and smoothes electric power transmitted by the primary side to the secondary side through the main transformers T1 and T2 Line Filter This line filter filtrates DC voltage having passed thr...

Page 11: ... D Preset D A Shunt POWER SUPPLY UNIT CONTROL UNIT CPU UNIT PANEL UNIT MOTHER UNIT OHP CPU I O Control I O OptionBoard I DISP V DISP Set Up Switch R E ALM Sub Power RCC PRI RSE N F NFB AC UNIT CV CC R L S Shut Down Circuit FAN VIN PDS20 18 PDS36 10 PDS60 6 11 PDS BLOCK DIAGRAM ...

Page 12: ...t Up Volume Switch LED 7 Segment LED Driver IC1 2 Rotary Encoder S11 Panel Switch OVP Volume VR1 7 Segment LED CPU UNIT PANEL UNIT X66 1600 00 X77 2110 00 CONTROL UNIT X77 2120 00 PDS20 18 PDS36 10 PDS60 6 12 BLOCK DIAGRAM ...

Page 13: ...4 IC1 D7 10 T1 Q1 Q2 PH1 D6 PH1 IC2 C D Trip Control Unit B D1 A Rectifier Smoother Rectifier Smoother Rectifier Smoother Rectifier Smoother Rectifier 15V Smoother Main Power Primary Side Rectifier Smoother D100 D11 12 D13 14 D5 J I H G F Power Control Unit Power Control Unit MOTHER UNIT X67 1420 0X PDS20 18 PDS36 10 PDS60 6 13 BLOCK DIAGRAM ...

Page 14: ...it Q14 16 17 19 Q1 10 Q11 13 IC3 1 2 MAX CC Error Amp IC4 2 2 Current Detection Circuit R46 IC1 Voltage Regulator IC2 5 15 15 Bleeder Circuit Q20 Control CONTROL UNIT CC Monitor CONTROL UNIT OUTPUT OUTPUT 15 15 GND 3 5V MOTHER UNIT OCP Primary OVP Overheat Detection TS1 OHP CONTROL UNIT POWER SUPPLY UNIT X68 1970 0X PDS20 18 PDS36 10 PDS60 6 14 BLOCK DIAGRAM ...

Page 15: ...Vce Voltage Power Unit Mother Unit Power Unit Line Filter L3 D4 T3 Q4 7 D18 19 20 L5 IC1 PH1 2 3 IC100 PH100 A B C D F E G H TS1 I IC2 PH2 3 J Q102 103 104 PH1 K Vce Start Controller Start Stop Cnotrol Unit Main Power Secondary Side Rectifier Smoother Main Power Primary Side Rectifier AC Unit X68 1980 01 03 05 07 AC UNIT X68 1980 00 02 04 OHP Power Unit PDS20 18 PDS36 10 PDS60 6 15 BLOCK DIAGRAM ...

Page 16: ...IC106 Alarm Circuit Q108 PH101 OVP Compalator IC101 OHP OCP Pri OVP POWER UNIT Pri OHP AC UNIT CC Monitor M S Reference Set Up VR PANEL UNIT Sensing Sensing CC Status Voltahe Regulator IC112 113 15 15 5 5 CPU 5 GND D_IN D_OUT CPU External OUTPUT ON OFF Trip MOTHER UNIT Control MOTHER UNIT 5 CPU GND 15 15 CONTROL UNIT X77 2120 0X PDS20 18 PDS36 10 PDS60 6 16 BLOCK DIAGRAM ...

Page 17: ...anel Switch CPU IC1 2 4 5 7 13 RAM IC15 Input Port IC9 14 OUTPUT LED Latch Circuit IC6 8 12 OUTPUT PORT Display Drive IC1 2 Switch LED LED Option Board X72 1380 00 X72 1380 01 X72 1460 00 P_SW X66 1600 00 D_OUT O_DATA D_DRU X77 2110 00 CPU UNIT X77 2110 00 PDS20 18 PDS36 10 PDS60 6 17 BLOCK DIAGRAM ...

Page 18: ... LOCAL and FAST SLOW keys By this the PDS unit starts up in the adjustment mode Connect the multi meter with the output terminals on the rear panel 1 2 Voltage REF Offset 1 Press the VOLTAGE key The VOLTAGELED goes on 2 Press the PRESET1 key The PRESET1LED goes on 3 Press the OUTPUTkey The OUTPUTLED goes on 4 Adjust the voltage with the rotary encoder so that the multi meter connected with output ...

Page 19: ...NTkey The CURRENTLED goes on 3 Press the PRESET1 key The PRESET1LED goes on 4 Adjust the voltage at the shunt resister connected with the output terminal to the value shown below using the rotary encoder Model Adjustment Value V Range mV PDS20 18 0 0 1 PDS36 10 0 0 1 PDS60 6 0 1 5 Press the MEMORYkey The PRESET1 to PRESET3LEDs go on 6 Press the PRESET1 key The PRESET1LED goes on 2 3 Current Ref Ga...

Page 20: ...rrent Monitor Gain 1 Press the CURRENTkey The CURRENTLED goes on 2 Press the KEYLOCK LOCAL key 3 Wait until operation becomes stable For about ten seconds 4 Press the MEMORYkey The PRESET1 to PRESET3LEDs go on 5 Press the KEYLOCK LOCAL key 6 Press the OUTPUTkey The OUTPUTLED goeson 3 Over Voltage Protect Before starting OVP adjustment disconnect the shunt resister from the output terminals 1 Rotat...

Page 21: ...arts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert 1 Ref No 20 18 36 10 60 6 Parts No Name Description Ref No 20 18 36 10 60 6 Parts No Name Description A01 4090 02 CASE A10 1514 02 CHASSIS A63 0309 03 FRONT PANEL A63 0311 03 FRONT PANEL A63 0315 03 FRONT PANEL A63 0329 01 MOLD PANEL A63 0330 01 MOLD PANEL A83 0154 0...

Page 22: ... 05 CAP FILM 0 1u J 50V C100 C90 4553 05 CAP ELECTRO 220u M 25V C101 C90 4553 05 CAP ELECTRO 220u M 25V C102 C90 4592 05 CAP ELECTRO 47u 25V C103 C90 4553 05 CAP ELECTRO 220u M 25V 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 nicht geliefert 2 New Parts Parts without Parts No are not supplied Les artic...

Page 23: ...ed Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert 4 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 nicht geliefert 3 Ref No 20 18 36 10 60 6 Parts No Name Description Ref No 20 18 36 10 60 6 Parts No Name Description C105 C91 2700 05 CAP FILM 0...

Page 24: ...2JC ZENER DIODE 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 nicht geliefert 6 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 nicht geliefert 5 Ref No 20 18 36 10 60 6 Parts No Name Description Ref No 20 18 3...

Page 25: ...BON 10 J 1 2W R59 RD14BB2C563J RES CARBON 56K J 1 6W R59 RD14BB2C683J RES CARBON 68K J 1 6W R59 RD14BB2C623J RES CARBON 62K J 1 6W R60 RN14BK2C2003F RES METAL FILM 200K F 1 6W R61 RD14BB2C101J RES CARBON 100 J 1 6W R62 RD14BB2C101J RES CARBON 100 J 1 6W R63 RD14BB2C103J RES CARBON 10K J 1 6W R64 RD14BB2C103J RES CARBON 10K J 1 6W R65 RD14BB2C361J RES CARBON 360 J 1 6W R65 RD14BB2C331J RES CARBON 3...

Page 26: ...00u M 35V C50 C90 4606 05 CAP ELECTRO 2700u M 63V C50 C90 4659 05 CAP ELECTRO 1800u M 80V C52 C90 4575 05 CAP ELECTRO 2200u M 35V 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 nicht geliefert 0 New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fou...

Page 27: ...ription Ref No 20 18 36 10 60 6 Parts No Name Description C52 C90 4576 05 CAP ELECTRO 1000u M 63V C52 C90 4654 05 CAP ELECTRO 470u M 100V C53 C90 4575 05 CAP ELECTRO 2200u M 35V C53 C90 4576 05 CAP ELECTRO 1000u M 63V C53 C90 4654 05 CAP ELECTRO 470u M 100V C55 C90 4575 05 CAP ELECTRO 2200u M 35V C55 C90 4576 05 CAP ELECTRO 1000u M 63V C55 C90 4654 05 CAP ELECTRO 470u M 100V C59 C90 4592 05 CAP EL...

Page 28: ...RBON 33K J 1 6W R107 RD14BB2C103J RES CARBON 10K J 1 6W R108 RD14BB2C824J RES CARBON 820K J 1 6W R109 RD14BB2C823J RES CARBON 82K J 1 6W 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 nicht geliefert New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pa...

Page 29: ...HEX INVERTER OPEN DRAIN IC23 HD74HC14FP IC HEX SCHMIDT INVERTER IC24 HD74HC04FP IC HEX INVERTER IC25 HD74HC86FP IC QUAD EXCLUSIVE OR GATE IC26 HD74HC32FP IC QUAD 2 INPUT OR GATE IC27 MAX809MEUR T IC 3 TERMINAL MICRO PROCESSOR IC28 HD74HC08FP IC QUAD 2 INPUT AND GATE New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts N...

Page 30: ... articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert 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 nicht geliefert Ref No 20 18 36 10 60 6 Parts No Name Description Ref No 20 18 36 10 60 6 Parts No Name Description R1 RK73FB2A103J RES CHIP 2x1 25 10K J...

Page 31: ...icht geliefert 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 nicht geliefert Ref No 20 18 36 10 60 6 Parts No Name Description Ref No 20 18 36 10 60 6 Parts No Name Description C28 CK73FF1E104Z CAP CHIP 2x1 25 0 1u Z 25V C29 CK73FF1E104Z CAP CHIP 2x1 25 0 1u Z 25V C30 CK73FF1E104Z CAP CHIP 2x1 25 0 1u Z...

Page 32: ...2x1 25 10K D 1 10W R112 RN73FH2A103D RES CHIP 2x1 25 10K D 1 10W R113 RN73FH2A103D RES CHIP 2x1 25 10K D 1 10W R114 RN73FH2A223D RES CHIP 2x1 25 22K D 1 10W R114 RN73FH2A133D RES CHIP 2x1 25 13K D 1 10W R115 RN73FH2A184D RES CHIP 2x1 25 180K D 1 10W R115 RN73FH2A304D RES CHIP 2x1 25 300K D 1 10W R116 RN73FH2A103D RES CHIP 2x1 25 10K D 1 10W New Parts Parts without Parts No are not supplied Les art...

Page 33: ...CHIP 2x1 25 10K D 1 10W R210 RN73FH2A472D RES CHIP 2x1 25 4 7K D 1 10W 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 nicht geliefert 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 nicht geliefert Ref No 20 18 ...

Page 34: ...D RES CHIP 2x1 25 91K D 1 10K R226 RN73FH2A433D RES CHIP 2x1 25 43K D 1 10W R226 RN73FH2A913D RES CHIP 2x1 25 91K D 1 10W R226 RN73FH2A513D RES CHIP 2x1 25 51K D 1 10W R227 RN73FH2A222D RES CHIP 2x1 25 2 2K D 1 10W R228 RN73FH2A303D RES CHIP 2x1 25 30K D 1 10W R231 RN73FH2A333D RES CHIP 2x1 25 33K D 1 10W R231 RN73FH2A273D RES CHIP 2x1 25 27K D 1 10W R232 RN73FH2A182D RES CHIP 2x1 25 1 8K D 1 10W ...

Page 35: ... PDS60 6 X68 1970 00 20V 36V 2 0 2 4 0 60V 20V 36V 60V X68 1970 02 4 OPTION BOARD Rear panel output 36V 20V no used AC UNIT MOTHER UNIT POWER UNIT CONTROL UNIT CPU UNIT PANEL UNIT PDS SCHEMATIC DIAGRAM A C E B D 2 1 3 5 7 4 6 ...

Page 36: ...10V 10V IC1 2 TB62709F PANEL UNIT X66 1600 00 SCHEMATIC DIAGRAM F H J G I 2 1 3 5 7 4 6 ...

Page 37: ...1000u 63V 2200u 35V 330u 100V 680u 63V 1500u 35V C111 C112 C113 C116 IC1 TA7815S IC2 TA76431S Q1 2SK2056 Q2 2SC2655 Y Q100 2SD2531 Q101 2SC1815 Y D1 D3SBA60 D2 8 101 MTZ5 6JB D3 SFOR3G42 D4 1SS133 D5 MTZ22JB D6 10 14 D1NL20U D7 102 DSM1D2 D9 1NU41 D15 ERB83 004 D100 ERA82 004 2KV 630V 1W MOTHER UNIT X67 1420 02 PDS20 18 X67 1420 00 PDS36 10 X67 1420 04 PDS60 6 C105 0 1 u 630V C106 0 1 u 630V SCHEM...

Page 38: ... 52 5 6 1 2W 10 1 2W 10 1 2W R58 56 K 1 6W 68 K 1 6W 62 K 1 6W R59 470 1 6W 470 1 6W 620 1 6W R66 4 7K 1 6W 4 7K 1 6W 6 2K 1 6W R69 1 1K 1 6W 1 1K 1 6W 11K 1 6W R71 240 1 6W 240 1 6W 2 4K 1 6W R73 8 2K 1 6W 15K 1 6W 12K 1 6W R76 33K 1 6W 51K 1 6W 56K 1 6W R81 2K 1 6W 2K 1 6W 1 5K 1 6W R82 1K 1W 3 3K 1W 8 2K 1W R88 360 1 6W 360 1 6W 330 1 6W R65 PDS36 10 PDS60 6 POWER UNIT X68 1970 02 PDS20 18 X68 ...

Page 39: ...d 12K 1 6W 18 2W 10K 2W 22 2W 2K 1 6W 10K 1 6W 43K 1 6W 4 7K 1 6W 4 7K2W C14 C19 C26 C41 42 C44 45 C46 47 C50 C52 53 55 121 123 C63 C64 65 C15 116 C117 118 C125 126 PDS20 18 0 1u 10V 10000p 250V 0 015u 4700p 1KV 0 1u 630V 10000u 35V 5600u 35V 2200u 35V 1u 50V 0 1u 630V 0 1u 50V 0 047u 630V 2200p 250V PDS36 10 0 1u 50V 4700p 50V 10000p 25V 4700p 1KV 0 047u 630V 3900u 63V 2700u 63V 1000u 63V 1u 50V ...

Page 40: ...74HC74FP IC12 28 HD74HC08FP IC15 W24258S 70LE IC16 19 HD74HC574FP IC20 AT29C010A 12J1 IC21 22 HD74HC05FP IC23 HD74HC14FP IC24 HD74HC04FP IC25 HD74HC86FP IC26 HD74HC32FP IC27 MAX809MEUR T 6 3V 10V 10V 10V 10V 10V 10V 10V 10V 10V 10V 10V 10V 10V 25V 25V 10V CPU UNIT X77 2110 00 SCHEMATIC DIAGRAM Z AB AD AA AC 2 1 3 5 7 4 6 ...

Page 41: ... 10 39K 1 10W 22K 1 10W 200K 1 10W 6 2K 1 10W 91K 1 10W 10K 1 10W 9 1K 1 10W 110K 1 10W 100K 1 10W 39K 1 10W 1 8K 1 10W 750K 1 10W PDS60 6 16K 1 10W 200K 1 10W 6 2K 1 10W 91K 1 10W 4 7K 1 10W 9 1K 1 10W 18K 1 10W 180K 1 10W R179 470 1 10W 39 1 10W 470 1 10W 150K 1 10W 30K 1 10W 1 6K 1 10W 270K 1 10W R225 R226 R231 R232 R241 R502 TH103 TH108 PDS20 18 15K 1 10W 43K 1 10W 33K 1 10W 1 8K 1 10W 1 5K 1 ...

Page 42: ...ED2 ED3 ED4 D9 D3 D6 S9 S4 D10 D7 S10 S7 S2 D4 D8 S3 S8 C7 CN1 C6 X66 1600 00 A J73 0520 23 A C3 C2 C5 C9 C10 C4 IC2 IC1 S11 C11 42 PC BOARD Component side view A C E B D 2 1 3 5 7 4 6 Refer to the schematic diagram for the values of resistors and capacitors PANEL UNIT X66 1600 00 ...

Page 43: ...9 C3 R18 D5 R3 C5 C2 C103 C35 D11 D12 R2 D101 C115 C111 C37 C26 C15 C38 C43 C11 L100 C30 D13 CN3 C112 C40 R105 C21 D14 D9 C49 CN1 C9 R103 F1 P100 C122 CN2 C121 C109 CN5 BLK AC25OV FUSE 8A C104 D18 P10 15A P101 D17 BLK SEC PRI C120 P11 c1 b1 a1 c16 b16 a16 C110 CN15 CN14 D16 WHT BLK CN16 CN17 TO PROTECT AGAINST RISK OF FIAE REPLACE ONLY WITH SAME TYPE AND RATING OF FUSE X67 1420 00 R17 R16 CN12 0 0...

Page 44: ...2 C9 R38 R39 C31 R37 R40 Q13 D1 R36 R9 R19 R29 R99 R8 R18 R28 R7 R17 R27 R97 R6 R16 R26 R96 C8 C6 C62 C61 R44 R11 Q1 R91 R21 R2 R12 R22 R13 R4 R14 Q2 Q3 Q4 Q5 Q17 R94 R24 R15 R95 R25 Q19 R77 D6 Q14 Q16 R69 R74 TS1 D7 POWER UNIT R56 C34 C47 C36 C33 P2 C2 C1 C35 P1 R1 R3 R23 R5 R70 R73 R71 D5 D3 D10 R90 D19 R72 D16 R92 R93 C15 C32 C5 P3 R88 C46 P4 C16 R98 R100 R20 R10 D15 C7 L2 CN2 C27 C23 C28 L1 R8...

Page 45: ...28 Q4 C34 C118 C117 C50 C47 C46 C26 R32 R31 R26 R29 R27 D10 C102 C119 R25 C28 C29 R124 R48 R46 R44 R125 C52 R78 R22 C55 C100 T3 R123 R50 R43 C30 R202 R45 R47 T1 C31 T2 C6 R203 C107 C19 C101 R205 R108 C123 R13 R200 C125 C103 R19 R106 C126 R9 R30 C23 R20 R16 D6 R104 R105 C61 C20 R7 D19 D20 C13 C9 PH100 R57 R56 L7 L10 C63 R101 C15 R23 SEC R82 D27 C41 L11 C42 C65 R6 PH3 C111 R53 D17 D16 IC2 C36 C64 L2...

Page 46: ... IC8 IC13 HC138 C9 C10 R69 R68 R67 HC05 IC22 IC14 C11 IC18 R72 IC16 R74 C15 CN4 CN1 R85 IC27 CN3 HC574 R81 R80 R79 HC688 IC4 HC244 HC74 IC5 HC138 R70 R66 C16 R75 R76 R77 R78 HC574 R73 HC244 IC3 IC7 IC7A R89 C39 HC14 IC23 HC574 R48 R51 R49 R46 HC08 C4 R62 R64 HC244 IC2 UPD70325 R42 R44 R40 IC28 C14 C18 R38 R34 R36 HC574 R2 R4 R6 R8 R86 C23 C24 C19 R1 R3 R7 C21 X1 R82 R71 HC86 IC9 HC245 IC1 AT27C010...

Page 47: ...1 PH2 PH3 PH5 PH1 R1 R5 R3 R4 PH4 C161 R108 R179 R280 IC104 R204 R208 C164 R121 C134 Q102 R173 D123 Q103 R136 R135 R242 R157 PH102 R169 C151 TH101 R164 R211 R137 C131 Q107 R171 Q104 PH103 R203 D115 J1 C127 R225 D110 C128 C130 D114 D116 R134 R215 C132 R141 R139 R227 R228 C136 C145 D106 IC105 R140 C133 R150 R231 R220 TH103 R212 R232 R224 IC102 R234 R233 TH104 H151 R148 D117 C141 R114 R147 R221 R146 ...

Page 48: ...PDS20 18 PDS36 10 PDS60 6 A product of KENWOOD TMI CORPORATION 1 16 2 HAKUSAN MIDORI KU YOKOHAMA CITY 226 JAPAN ...