100 Minute Master Up/Down Timer: Difference between revisions

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|Release Year = 1994
|Release Year = 1994
|Mounting Technology = Through Hole, Sockets
|Mounting Technology = Through Hole, Sockets
|Capacitor Types = Aluminum Electrolytic, Ceramic
|Capacitor Types = Aluminum Electrolytic, Ceramic, Trimmer (some models)
|Leak Risk = Low
|Leak Risk = Low
|Batteries = None
|Batteries = None
|Destructive Entry = No
|Destructive Entry = No
}}
}}
This is a standalone timer used in studios for synchronizing coundown/countup clocks. Manufactured by ESE. Model ES-362A. Uses Intel 8749-CT4 as the microcontroller.
1This is a standalone timer used in studios for synchronizing coundown/countup clocks. Manufactured by ESE. Model ES-362A. Uses Intel 8749-CT4 as the microcontroller.
== Known Issues ==
== Known Issues ==
The linear power supply runs hot and relies on electrolytic capacitors.
The linear power supply runs hot and relies on electrolytic capacitors.
===Symptom or Problem Encountered===
===Symptom or Problem Encountered===
*No display
*No display
Line 22: Line 21:
====Solutions====
====Solutions====
*Replace faulty parts.
*Replace faulty parts.
== Disassembly Notes ==
== Disassembly Notes ==
This device is easy to disassemble. The case is held together with screws and the PCB can be detached from the plastic standoffs easily. Make sure to snip the cable ties to make the wires long enough to flip over the board.
This device is easy to disassemble. The case is held together with screws and the PCB can be detached from the plastic standoffs easily. Make sure to snip the cable ties to make the wires long enough to flip over the board.  
 
== Original Parts ==
== Original Parts ==
=== Main PCB ===
=== Main PCB ===
''ES362A''
''ES362A - PCB UCT-1 Logic''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
Line 100: Line 97:
|
|
|Ceramic Disc
|Ceramic Disc
|
|
|-
|C7 (option C models only)
|
|5-30 pF
|
|Through Hole
|
|
|
|Trimmer Capacitor
|
|
|
|
Line 139: Line 148:
|
|
|}
|}
 
{| class="wikitable sortable"
|+Other Passive Component Specifications and [[Part Footprints|Footprint]] Information
!Part
!RefDes
!Qty
!Value
!Power
![https://caps.wiki/wiki/Part_Footprints Mount]
!Temp
!Type
!Tolerance
|-
|Resistor
|R1, R2
|2
|75Ω
|½ Watt
|Through Hole, Axial
|
|Carbon Film
|10%
|-
|Resistor
|R3
|1
|51kΩ
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|10%
|-
|Resistor
|R4
|1
|120kΩ
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|10%
|-
|Resistor
|R5, R6, R9-R16
|10
|22kΩ
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|10%
|-
|Resistor
|R7 (option Y and Z models only)
|1
|5.1kΩ
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|10%
|-
|Resistor
|R9-R46
|27
|220Ω
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|10%
|-
|Resistor
|R47-R53 (option T models only)
|7
|220Ω
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|10%
|-
|Resistor
|R62 (option T models only)
|1
|330Ω
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|10%
|-
|Resistor
|R63
|1
|18Ω
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|
|-
|Resistor
|R64
|1
|150Ω
|½ Watt
|Through Hole, Axial
|
|Carbon Film
|
|-
|Resistor
|R65-R69
|1
|510Ω
|¼ Watt
|Through Hole, Axial
|
|Carbon Film
|
|-
|Crystal
|X1
|1
|1.8432 MHz
|
|Through Hole, HC-49/U
|
|
|
|-
|Transformer
|T1
|1
|6.3V CT
|7.6 VA
|Chassis Mount
|
|P6134
|
|-
|Transformer
|T1, T2 (option P models only)
|2
|6.3V CT
|3.8 VA
|Chassis Mount
|
|P6465
|
|-
|Relay
|K1 (option Y and Z models only)
|1
|1A 5A
|
|Through Hole
|
|
|
|}
{| class="wikitable sortable"
|+Active Component Specifications and [[Part Footprints|Footprint]] Information
!Part
!RefDes
!Qty
!Device
!Type
!Voltage
!Current
![https://caps.wiki/wiki/Part_Footprints Mount]
!
|-
|IC
|Z1
|1
|8749-CT4
|Microcontroller
|
|
|Through Hole, DIP
|
|-
|IC
|Z2
|1
|4503
|Hex non-inverting buffer with three-state outputs
|
|
|Through Hole, DIP
|
|-
|IC
|Z3
|1
|LM330T-5.0
|5 volt linear regulator
|5V
|0.150A
|Through Hole
|
|-
|IC
|Z6-Z9
|4
|4511
|BCD to 7-segment latch/decoder/driver
|
|
|Through Hole, DIP
|
|-
|IC
|Z10 (option T models only)
|1
|4511
|BCD to 7-segment latch/decoder/driver
|
|
|Through Hole, DIP
|
|-
|Transistor
|Q1
|1
|PN2222
|NPN BJT transistor
|V<sub>CEO</sub>: 30V
|I<sub>C</sub>: 0.6A
|Through Hole
|
|-
|Transistor
|Q3 (option Y and Z models only)
|1
|2N2907
|PNP BJT transistor
|V<sub>CEO</sub>: 60V
|I<sub>C</sub>: 0.6A
|Through Hole
|
|-
|Diode
|D1-D5
|5
|1N4003
|Rectifier Diode
|V<sub>R</sub>: 200V
|I<sub>O</sub>: 1A
|Through Hole
|
|-
|Diode
|D6 (option Y and Z models only)
|1
|1N4003
|Rectifier Diode
|V<sub>R</sub>: 200V
|I<sub>O</sub>: 1A
|Through Hole
|
|-
|Diode
|D7-D23
|17
|1N4148
|Small Signal Diode
|V<sub>R</sub>: 75V
|I<sub>O</sub>: 0.2A
|Through Hole
|
|-
|Diode
|DJT (option T models only)
|1
|1N4148
|Small Signal Diode
|V<sub>R</sub>: 75V
|I<sub>O</sub>: 0.2A
|Through Hole
|
|-
|Diode
|DJZ (option Z models only)
|1
|1N4148
|Small Signal Diode
|V<sub>R</sub>: 75V
|I<sub>O</sub>: 0.2A
|Through Hole
|
|-
|Diode
|DJN (option N models only)
|1
|1N4148
|Small Signal Diode
|V<sub>R</sub>: 75V
|I<sub>O</sub>: 0.2A
|Through Hole
|
|}
=== Display PCB ===
''ES362A - PCB UCT Display''
{| class="wikitable sortable"
|+Active Component Specifications and [[Part Footprints|Footprint]] Information
!Part
!RefDes
!Qty
!Device
!Type
!Voltage
!Current
![https://caps.wiki/wiki/Part_Footprints Mount]
!
|-
|Display
|N1, N2
|2
|LTD6840Y
|Two-digit amber LED display
|V<sub>F</sub>: 2.1V
|I<sub>F</sub>: 0.02A
|Through Hole, DIP
|
|-
|Display
|N3 (option T models only)
|1
|LTD6840Y
|Two-digit amber LED display
|V<sub>F</sub>: 2.1V
|I<sub>F</sub>: 0.02A
|Through Hole, DIP
|
|}
==Replacement Parts==
==Replacement Parts==
===Main PCB===
===Main PCB===
''ES362A - PCB UCT-1 Logic''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitors
|+Capacitors
Line 151: Line 498:
|C1
|C1
|1
|1
|478TTA010M-ND
|478TTA010M-ND / 478TTA016M
|[https://www.digikey.com/en/products/detail/illinois-capacitor/478TTA010M/5413011 Digikey]
|[https://www.digikey.com/en/products/detail/illinois-capacitor/478TTA010M/5413011 Digikey] [https://www.mouser.com/ProductDetail/Cornell-Dubilier-CDE/478TTA016M?qs=3tP%252BN51vMXfaAiS3pLt1dg%3D%3D Mouser]
|-
|-
|C2, C3
|C2, C3
|2
|2
|493-1797-ND
|UPW1C332MHD / 16ZLH3300MEFC12.5X30
|[https://www.digikey.com/en/products/detail/nichicon/UPW1C332MHD/589538 Digikey]
|[https://www.digikey.com/en/products/detail/nichicon/UPW1C332MHD/589538 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/UPW1C332MHD?qs=6lfq4CIoPAkoW%252BoxgV5%2FUg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-16ZLH3300MEFC12-5X30_C441620.html LCSC]
|-
|-
|C4
|C4
|1
|1
|493-11317-1-ND
|UPS1C100MDD1TD / 50PX10MEFC5X11
|[https://www.digikey.com/en/products/detail/nichicon/UPS1C100MDD1TD/4319714 Digikey]
|[https://www.digikey.com/en/products/detail/nichicon/UPS1C100MDD1TD/4319714 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/UPS1C100MDD1TD?qs=GEqonpKUMUHSl9QD2YDu3g%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-50PX10MEFC5X11_C88833.html LCSC]
|-
|-
|C5
|C5
|1
|1
|493-10975-1-ND
|UFW1C101MDD1TD / 25PX100MEFC5X11
|[https://www.digikey.com/en/products/detail/nichicon/UFW1C101MDD1TD/4317895 Digikey]
|[https://www.digikey.com/en/products/detail/nichicon/UFW1C101MDD1TD/4317895 Digikey] [https://www.mouser.com/ProductDetail/Nichicon/UFW1C101MDD1TD?qs=WJSLByB5Mu32qCAlfJ%2FJfA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-25PX100MEFC5X11_C88745.html LCSC]
|-
|C6, C7
|2
|K100J15C0GF5TH5 / DCH120K26SL P6FJ5A0
|[https://www.digikey.com/en/products/detail/vishay-beyschlag-draloric-bc-components/K100J15C0GF5TH5/286484 DigiKey] [https://www.mouser.com/ProductDetail/Vishay-BC-Components/K100J15C0GF5TH5?qs=sGAEpiMZZMvfWfew95%2FxXETr%252B1LtSlRr Mouser] [https://www.lcsc.com/product-detail/Ceramic-Disc-Capacitors_SHM-DCH120K26SL-P6FJ5A0_C2896303.html LCSC]
|-
|C8, C10
|2
|K103K10X7RF5UH5 / DCS103M20Y5VF6FL5A0
|[https://www.digikey.com/en/products/detail/vishay-beyschlag-draloric-bc-components/K103K10X7RF5UH5/2356876 DigiKey] [https://www.mouser.com/ProductDetail/Vishay-BC-Components/K103K10X7RF5UH5?qs=sGAEpiMZZMvfWfew95%2FxXBhrZXNnZ95G Mouser] [https://www.lcsc.com/product-detail/Ceramic-Disc-Capacitors_SHM-DCS103M20Y5VF6FL5A0_C2896058.html LCSC]
|-
|-
|C9
|C9
|1
|1
|493-13474-1-ND
|UVZ1H4R7MDD1TD / 50PX4R7MEFC5X11
|[https://www.digikey.com/en/products/detail/nichicon/UVZ1H4R7MDD1TD/4342185 Digikey]
|[https://www.digikey.com/en/products/detail/nichicon/UVZ1H4R7MDD1TD/4342185 Digikey] [https://www.mouser.com/ProductDetail/Nichicon/UVZ1H4R7MDD1TD?qs=rB5WbKoISMU1rZMeaa%252BYvA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-50PX4R7MEFC5X11_C122950.html LCSC]
|-
|C11
|1
|C315C104M5U5TA / DCS104Z26Y5VF58L5A0 / DCS104Z26Y5VF58L5A0
|[https://www.digikey.com/en/products/detail/kemet/C315C104M5U5TA/817927 DigiKey] [https://www.mouser.com/ProductDetail/KEMET/C315C104M5U5TA?qs=yPUL72EuMSdlpklLgkTxlg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Ceramic-Disc-Capacitors_SHM-DCS104Z26Y5VF58L5A0_C2896068.html LCSC]
|}
{| class="wikitable sortable"
|+Resistors
!RefDes
!Qty
!Compatible Part Number
!Order Links
|-
|R1, R2
|2
|CFM12JT75R0 / CFR-50JB-52-75R / CR1/2W-75Ω±5%-2T52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CFM12JT75R0/1742006 Digikey] [https://www.mouser.com/ProductDetail/YAGEO/CFR-50JB-52-75R?qs=sGAEpiMZZMsPqMdJzcrNwoGf4yg8yZ12%2Fwko%252B5Txk2VykCh9oUAl2w%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-2W-75-5-2T52_C2894468.html LCSC]
|-
|R3
|1
|RNMF14FTC51K0 / MF1/4LCT52R513G / CR1/4W-51K±5%-OT26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/RNMF14FTC51K0/2617357 DigiKey] [https://www.mouser.com/ProductDetail/KOA-Speer/MF1-4LCT52R513G?qs=sGAEpiMZZMsPqMdJzcrNwuBnmYaxrx0HydVCbOhSr4I%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-4W-51K-5-OT26_C2896845.html LCSC]
|-
|R4
|1
|RNMF14FTC120K / CF1/4CT52R124J / CR1/4W-120K±5%-OT26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/RNMF14FTC120K/2617284 DigiKey] [https://www.mouser.com/ProductDetail/KOA-Speer/CF1-4CT52R124J?qs=sGAEpiMZZMsPqMdJzcrNwlGlqEwMEaeo1EKiKSC7FCA%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-4W-120K-5-OT26_C2894538.html LCSC]
|-
|R5, R6, R9-16
|10
|CF14JT22K0 / MF1/4LCT52R223G / MO1/4W-22K±5%-ST52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF14JT22K0/1741350 DigiKey] [https://www.mouser.com/ProductDetail/KOA-Speer/MF1-4LCT52R223G?qs=sGAEpiMZZMsPqMdJzcrNwuBnmYaxrx0HVjr7I%252BOIY%252BU%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-MO1-4W-22K-5-ST52_C479388.html LCSC]
|-
|R7
|1
|CF14JT5K10 / MFR-25FRF52-5K1 / CR1/4W-5K1±5%-OT26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF14JT5K10/1741447 DigiKey] [https://www.mouser.com/ProductDetail/KOA-Speer/MF1-4LCT52R223G?qs=91WPSIiQh9LW%2FnAGTqS1JQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-4W-5K1-5-OT26_C2896862.html LCSC]
|-
|R47-R53
|7
|CF14JT220R / CF1/4CT52R221J / CR1/2W-220Ω±5%-XT52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF14JT220R/1741346 DigiKey] [https://www.mouser.com/ProductDetail/KOA-Speer/CF1-4CT52R221J?qs=5t8Q3%2FAbdfmJebqNgtairw%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-2W-220-5-XT52_C2894490.html LCSC]
|-
|R62
|1
|CF14JT330R / OK3315E-R52 / CR1/2W-330Ω±5%-XT52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF14JT330R/1741399 DigiKey] [https://www.mouser.com/ProductDetail/Ohmite/OK3315E-R52?qs=AkUtuiJmyflNBr4QtOugqA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-2W-330-5-XT52_C2896810.html LCSC]
|-
|R63
|1
|CF14JT18R0 / MF1/4LCT52R180J / CF1/4W-18Ω±5% T
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF14JT18R0/1741306 DigiKey] [https://www.mouser.com/ProductDetail/KOA-Speer/MF1-4LCT52R180J?qs=DG1n8gfZNTvnbrIsGKORpA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_CCO-Chian-Chia-Elec-CF1-4W-18-5-T_C120013.html LCSC]
|-
|R64
|1
|CFM12JT150R / CFR-25JB-52-150R / MF1/2W-150Ω±1%-2T52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CFM12JT150R/1741866 DigiKey] [https://www.mouser.com/ProductDetail/YAGEO/CFR-25JB-52-150R?qs=oypCK0zG326pjHPbuoeP5Q%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-MF1-2W-150-1-2T52_C601796.html LCSC]
|-
|R65-R69
|5
|CF14JT510R / MFR25SFTF52-510R / CR1/4W-510Ω±5%-OT26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF14JT510R/1741459 DigiKey] [https://www.mouser.com/ProductDetail/YAGEO/MFR25SFTF52-510R?qs=gt1LBUVyoHlvQ2LkR7Mbhg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-4W-510-5-OT26_C2896841.html LCSC]
|}
{| class="wikitable sortable"
|+Other Passive Components
! RefDes
! Qty
! Compatible Part Number
! Order Links
|-
|X1
|1
|AB-1.8432MHZ-B2
|[https://www.digikey.com/en/products/detail/abracon-llc/AB-1-8432MHZ-B2/675204 Digikey] [https://www.mouser.com/ProductDetail/ABRACON/AB-18432MHZ-B2?qs=D0XpjEo%2FJ5AVR6NioXJ1JQ%3D%3D Mouser]
|}
{| class="wikitable sortable"
|+Active Components
! RefDes
! Qty
! Compatible Part Number
! Order Links
|-
|Z3
|1
|LM330T-5.0/NOPB / ME7805A3G
|[https://www.digikey.com/en/products/detail/texas-instruments/LM330T-5-0-NOPB/32469 Digikey] [https://www.mouser.com/ProductDetail/Texas-Instruments/LM330T-50-NOPB?qs=X1J7HmVL2ZGHbIr%252BBEBezQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Linear-Voltage-Regulators-LDO_MICRONE-Nanjing-Micro-One-Elec-ME7805A3G_C83970.html LCSC]
|-
|Q1
|1
|PN2222ABU
|[https://www.digikey.com/en/products/detail/onsemi/PN2222ABU/6534 DigiKey] [https://www.mouser.com/ProductDetail/onsemi-Fairchild/PN2222ABU?qs=sGAEpiMZZMsVgcksf1EMUu1OelCtgq4F Mouser] [https://www.lcsc.com/product-detail/Bipolar-Transistors-BJT_onsemi-PN2222ABU_C896866.html LCSC]
|-
|Q3
|1
|2N2907A PBFREE / 2N2907A
|[https://www.digikey.com/en/products/detail/central-semiconductor-corp/2N2907A-PBFREE/4806853 DigiKey] [https://www.mouser.com/ProductDetail/Central-Semiconductor/2N2907A-PBFREE?qs=u16ybLDytRYDGGNwGDoSwQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Bipolar-Transistors-BJT_Foshan-Blue-Rocket-Elec-2N2907A_C358534.html LCSC]
|-
|D1-D5
|5
|1N4003G / 1N4003-T
|[https://www.digikey.com/en/products/detail/onsemi/1N4003G/1485472 DigiKey] [https://www.mouser.com/ProductDetail/onsemi/1N4003G?qs=y2kkmE52mdM2H43YQ4KApQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Diodes-General-Purpose_Diodes-Incorporated-1N4003-T_C526194.html LCSC]
|-
|D7-D23
|16
|1N4148
|[https://www.digikey.com/en/products/detail/onsemi/1N4148/458603 DigiKey] [https://www.mouser.com/ProductDetail/onsemi-Fairchild/1N4148?qs=sGAEpiMZZMueQxo7L%2FBPyGk1oWHOqz4M Mouser] [https://www.lcsc.com/product-detail/Switching-Diode_ST-Semtech-1N4148_C14538.html LCSC]
|-
|DJT/DJZ/DJN
|1
|1N4148
|[https://www.digikey.com/en/products/detail/onsemi/1N4148/458603 DigiKey] [https://www.mouser.com/ProductDetail/onsemi-Fairchild/1N4148?qs=sGAEpiMZZMueQxo7L%2FBPyGk1oWHOqz4M Mouser] [https://www.lcsc.com/product-detail/Switching-Diode_ST-Semtech-1N4148_C14538.html LCSC]
|}
=== Display PCB ===
''ES362A - PCB UCT Display''
{| class="wikitable sortable"
! RefDes
! Qty
! Compatible Part Number
! Order Links
|-
|N1, N2
|2
|LTD-6940HR
|[https://www.digikey.com/en/products/detail/lite-on-inc/LTD-6940HR/3199144 Digikey] [https://www.mouser.com/ProductDetail/Lite-On/LTD-6940HR?qs=gnaPJ2cis70nV3T%252BgceNVA%3D%3D Mouser]
|-
|N3
|1
|LTD-6940HR
|[https://www.digikey.com/en/products/detail/lite-on-inc/LTD-6940HR/3199144 DigiKey] [https://www.mouser.com/ProductDetail/Lite-On/LTD-6940HR?qs=gnaPJ2cis70nV3T%252BgceNVA%3D%3D Mouser]
|}
|}
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''
== Connector Pinouts ==
== Connector Pinouts ==
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{| class="wikitable"  
{| class="wikitable"
|+ DE-9
|+ DE-9
|-
|-
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| Ground
| Ground
|}
|}
</div>  
</div>
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{| class="wikitable"  
{| class="wikitable"
|+ BNC
|+ BNC
|-
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|}
|}
</div>
</div>
== Related Links ==
== Related Links ==
* [https://www.ese-web.com/es362.htm Current replacement device]
* [https://www.ese-web.com/es362.htm Current replacement device]
== References ==
== References ==
<references />
<references />
[[Category:1990s]]
[[Category:1990s]]
[[Category:Timers]]
[[Category:Timer]]

Latest revision as of 00:43, 12 February 2024

100 Minute Master Up/Down Timer
Preliminary Information
Release Year 1994
Leak Risk Low
Batteries None
Mounting Technology Through Hole, Sockets
Capacitor Types Aluminum Electrolytic, Ceramic, Trimmer (some models)
Destructive Entry No

1This is a standalone timer used in studios for synchronizing coundown/countup clocks. Manufactured by ESE. Model ES-362A. Uses Intel 8749-CT4 as the microcontroller.

Known Issues

The linear power supply runs hot and relies on electrolytic capacitors.

Symptom or Problem Encountered

  • No display
  • No timing signal

Causes

  • Dried out electrolytic capacitors and a blown linear regulator IC.

Solutions

  • Replace faulty parts.

Disassembly Notes

This device is easy to disassemble. The case is held together with screws and the PCB can be detached from the plastic standoffs easily. Make sure to snip the cable ties to make the wires long enough to flip over the board.

Original Parts

Main PCB

ES362A - PCB UCT-1 Logic

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Lead Spacing Temp Type Brand Series
C1 1 4700 µF 10 Through Hole, Axial 12mm 85 °C Electrolytic Shoei CE
C2, C3 2 3300 µF 16 Through Hole, Radial 16mm 0.3" 105 °C Electrolytic Shoei CEW
C4 1 10 µF 35 Through Hole, Radial 5mm 0.1" 105 °C Electrolytic Shoei CEW
C5 1 100 µF 25 Through Hole, Radial 6mm 0.1" 105 °C Electrolytic Shoei CEW
C6, C7 2 10 pF 50 Through Hole, Radial 4mm 0.2" Ceramic Disc
C7 (option C models only) 5-30 pF Through Hole Trimmer Capacitor
C8, C10 3 0.01 µF 50 Through Hole, Radial 6mm 0.2" Ceramic Disc
C9 1 4.7 µF 50 Through Hole, Radial 4mm 0.1" 105 °C Electrolytic Shoei CEW
C11 1 0.1 µF 50 Through Hole, Radial 5mm 0.2" Ceramic Disc
Other Passive Component Specifications and Footprint Information
Part RefDes Qty Value Power Mount Temp Type Tolerance
Resistor R1, R2 2 75Ω ½ Watt Through Hole, Axial Carbon Film 10%
Resistor R3 1 51kΩ ¼ Watt Through Hole, Axial Carbon Film 10%
Resistor R4 1 120kΩ ¼ Watt Through Hole, Axial Carbon Film 10%
Resistor R5, R6, R9-R16 10 22kΩ ¼ Watt Through Hole, Axial Carbon Film 10%
Resistor R7 (option Y and Z models only) 1 5.1kΩ ¼ Watt Through Hole, Axial Carbon Film 10%
Resistor R9-R46 27 220Ω ¼ Watt Through Hole, Axial Carbon Film 10%
Resistor R47-R53 (option T models only) 7 220Ω ¼ Watt Through Hole, Axial Carbon Film 10%
Resistor R62 (option T models only) 1 330Ω ¼ Watt Through Hole, Axial Carbon Film 10%
Resistor R63 1 18Ω ¼ Watt Through Hole, Axial Carbon Film
Resistor R64 1 150Ω ½ Watt Through Hole, Axial Carbon Film
Resistor R65-R69 1 510Ω ¼ Watt Through Hole, Axial Carbon Film
Crystal X1 1 1.8432 MHz Through Hole, HC-49/U
Transformer T1 1 6.3V CT 7.6 VA Chassis Mount P6134
Transformer T1, T2 (option P models only) 2 6.3V CT 3.8 VA Chassis Mount P6465
Relay K1 (option Y and Z models only) 1 1A 5A Through Hole
Active Component Specifications and Footprint Information
Part RefDes Qty Device Type Voltage Current Mount
IC Z1 1 8749-CT4 Microcontroller Through Hole, DIP
IC Z2 1 4503 Hex non-inverting buffer with three-state outputs Through Hole, DIP
IC Z3 1 LM330T-5.0 5 volt linear regulator 5V 0.150A Through Hole
IC Z6-Z9 4 4511 BCD to 7-segment latch/decoder/driver Through Hole, DIP
IC Z10 (option T models only) 1 4511 BCD to 7-segment latch/decoder/driver Through Hole, DIP
Transistor Q1 1 PN2222 NPN BJT transistor VCEO: 30V IC: 0.6A Through Hole
Transistor Q3 (option Y and Z models only) 1 2N2907 PNP BJT transistor VCEO: 60V IC: 0.6A Through Hole
Diode D1-D5 5 1N4003 Rectifier Diode VR: 200V IO: 1A Through Hole
Diode D6 (option Y and Z models only) 1 1N4003 Rectifier Diode VR: 200V IO: 1A Through Hole
Diode D7-D23 17 1N4148 Small Signal Diode VR: 75V IO: 0.2A Through Hole
Diode DJT (option T models only) 1 1N4148 Small Signal Diode VR: 75V IO: 0.2A Through Hole
Diode DJZ (option Z models only) 1 1N4148 Small Signal Diode VR: 75V IO: 0.2A Through Hole
Diode DJN (option N models only) 1 1N4148 Small Signal Diode VR: 75V IO: 0.2A Through Hole

Display PCB

ES362A - PCB UCT Display

Active Component Specifications and Footprint Information
Part RefDes Qty Device Type Voltage Current Mount
Display N1, N2 2 LTD6840Y Two-digit amber LED display VF: 2.1V IF: 0.02A Through Hole, DIP
Display N3 (option T models only) 1 LTD6840Y Two-digit amber LED display VF: 2.1V IF: 0.02A Through Hole, DIP

Replacement Parts

Main PCB

ES362A - PCB UCT-1 Logic

Capacitors
RefDes Qty Compatible Part Number Order Links
C1 1 478TTA010M-ND / 478TTA016M Digikey Mouser
C2, C3 2 UPW1C332MHD / 16ZLH3300MEFC12.5X30 DigiKey Mouser LCSC
C4 1 UPS1C100MDD1TD / 50PX10MEFC5X11 DigiKey Mouser LCSC
C5 1 UFW1C101MDD1TD / 25PX100MEFC5X11 Digikey Mouser LCSC
C6, C7 2 K100J15C0GF5TH5 / DCH120K26SL P6FJ5A0 DigiKey Mouser LCSC
C8, C10 2 K103K10X7RF5UH5 / DCS103M20Y5VF6FL5A0 DigiKey Mouser LCSC
C9 1 UVZ1H4R7MDD1TD / 50PX4R7MEFC5X11 Digikey Mouser LCSC
C11 1 C315C104M5U5TA / DCS104Z26Y5VF58L5A0 / DCS104Z26Y5VF58L5A0 DigiKey Mouser LCSC
Resistors
RefDes Qty Compatible Part Number Order Links
R1, R2 2 CFM12JT75R0 / CFR-50JB-52-75R / CR1/2W-75Ω±5%-2T52 Digikey Mouser LCSC
R3 1 RNMF14FTC51K0 / MF1/4LCT52R513G / CR1/4W-51K±5%-OT26 DigiKey Mouser LCSC
R4 1 RNMF14FTC120K / CF1/4CT52R124J / CR1/4W-120K±5%-OT26 DigiKey Mouser LCSC
R5, R6, R9-16 10 CF14JT22K0 / MF1/4LCT52R223G / MO1/4W-22K±5%-ST52 DigiKey Mouser LCSC
R7 1 CF14JT5K10 / MFR-25FRF52-5K1 / CR1/4W-5K1±5%-OT26 DigiKey Mouser LCSC
R47-R53 7 CF14JT220R / CF1/4CT52R221J / CR1/2W-220Ω±5%-XT52 DigiKey Mouser LCSC
R62 1 CF14JT330R / OK3315E-R52 / CR1/2W-330Ω±5%-XT52 DigiKey Mouser LCSC
R63 1 CF14JT18R0 / MF1/4LCT52R180J / CF1/4W-18Ω±5% T DigiKey Mouser LCSC
R64 1 CFM12JT150R / CFR-25JB-52-150R / MF1/2W-150Ω±1%-2T52 DigiKey Mouser LCSC
R65-R69 5 CF14JT510R / MFR25SFTF52-510R / CR1/4W-510Ω±5%-OT26 DigiKey Mouser LCSC
Other Passive Components
RefDes Qty Compatible Part Number Order Links
X1 1 AB-1.8432MHZ-B2 Digikey Mouser
Active Components
RefDes Qty Compatible Part Number Order Links
Z3 1 LM330T-5.0/NOPB / ME7805A3G Digikey Mouser LCSC
Q1 1 PN2222ABU DigiKey Mouser LCSC
Q3 1 2N2907A PBFREE / 2N2907A DigiKey Mouser LCSC
D1-D5 5 1N4003G / 1N4003-T DigiKey Mouser LCSC
D7-D23 16 1N4148 DigiKey Mouser LCSC
DJT/DJZ/DJN 1 1N4148 DigiKey Mouser LCSC

Display PCB

ES362A - PCB UCT Display

RefDes Qty Compatible Part Number Order Links
N1, N2 2 LTD-6940HR Digikey Mouser
N3 1 LTD-6940HR DigiKey Mouser

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Connector Pinouts

DE-9
Pin Function
1 Up
2 Stop
3 Reset
4 Down
5 Preset
6 Relay contact (dry contact, option "Z")
7 Relay contact (dry contact, option "Z")
8 N/C
9 Ground
BNC
Pin Function
Center Serial Time Signal Out
Shield Ground

Related Links

References

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