watts for External Speaker @ 10% THD (4 ohms) Specifications subject to change without notice or obligation. * 19.5 kHz/step model toGENERAL SEMICONDUCTORS ICs Transistors Varactor diodes AN315 I 2SA628A(2SB856B) 1 1T25 13 HD74LS02AP 1 2SC458B 5 FCS5S2M 1 HD74LS74AP 1 2SC460B 7 MB3756 1 25C535B 8 Light emitting diodes MC14504B 1 25C1209D 1 LN224RP 2 MC14568B I 28C1906 3 LN324GP 1 MLM2902 2 2S8C2026 1 LN322GP 8 TC9122P 2 28C2053 1 uPBS51C (*uPB555C) 1 28C2538 1 Zener diode uPC577H I 28C2539 1 WZ071 l uPC14305 I 28C2630 I FETs 2SK168D l Silicon diodes 3SK5 1-03 4 181555 20 3SK59 1 1SS97 3 3SK60 2 V06C 1 * 12.5 kHz/step model 1SFD11 | For Service Manuals Contact MAURITRON TECHNICAL SERVICES 8 Cherry Tree Rad, Chinnor Oxon OX9 4QY Tel: 01844-351694 Fax:- 01844-352554 Email:- enquiries@mauritron.co.ukGENERAL FRONT PANEL CONTROLS AND SWITCHES BUSY LAMP CHANNEL INDICATORS TX LAMP POWER SWITCH SQUELCH CONTROL RESET SWITCH CALL LAMP CHANNEL SELECTOR MICROPHONE JACK (LEFT SIDE) (1) MICROPHONE JACK This six
P SN74LS32N or (OR-GATE) MB74LS32M or HD74LS32P MC14503BCP or (BUFFER) HD14503BP or PD4503BC or MSM4503RS LM339N or (COMPARATOR) PC339C MC1741CP1 or (OP AMP) HA17741PS MC7805CT or (VOLTAGE REGULATOR) NJM7805A or PC7805H SN74LS74AN or (D-F.F) MB74LS74AM or HD74LS74AP SN74LS76AN or (JK-F.F) MB74LS76AM or HD74LS76P SN74LS32N or (OR-GATE) MB74LS32M or HD74LS32P - 28 - R/S Part No. Mfr's Part No. MOTOROLA FUJITSU HITACHI NEC NEC FUJITSU OKI MOTOROLA MOTOROLA FUJITSU HITACHI MOTOROLA FUJITSU HITACHI MOTOROLA HITACHI NEC OKI MOTOROLA NEC MOTOROLA HITACHI MOTOROLA JRC NEC MOTOROLA FUJITSU HITACHI MOTOROLA FUJITSU HITACHI MOTOROLA FUJITSU HITACHI EXPLODED VIEW PARTS LIST Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 F1 F2 F3 F4 F5 Description R/S Part No. R/S Part No. Cabinet Ass'y, Top Cabinet, Top Plate, Model Cover, Connector Key Board Ass'y Knob, Reset (Red) Holder, SW Reset Case, Shield P.C. Board Ass'y Modulator, MDV-1 (Custom) Connector, Flat Wire Sheet, Shield Knob, Channel (Black) Cabinet, Bottom Foot,
HD74LS74AP DILP-14 pin HD74LS74AFPEL SOP-14 pin (JEITA) HD74LS74ARPEL SOP-14 pin (JEDEC) PRSP0014DF-B (FP-14DAV) PRSP0014DE-A (FP-14DNV) Package Abbreviation Taping Abbreviation (Quantity) P -- FP EL (2,000 pcs/reel) RP EL (2,500 pcs/reel) Note: Please consult the sales office for the above package availability. Pin Arrangement 1CLR 1 1D 2 1CK 3 1PR 4 1Q 5 D 1Q 6 CLR Q GND 7 CK D PR CLR Q Q CK PR Q (Top view) Rev.3.00, Jul.22.2005, page 1 of 7 14 VCC 13 2CLR 12 2D 11 2CK 10 2PR 9 2Q 8 2Q HD74LS74A Function Table Input Output Preset L Clear H Clock X D X Q H Q L H L L L X X X X L H* H H* H H H H H L H L L H H H L X Q0 Q0 H; high level, L; low level, X; irrelevant, ; transition from low to high level, Q0; level of Q before the indicated steady-state input conditions were established. Q0; complement of Q0 or level of Q before the indicated steady-state input conditions were established. *;This configuration is nonstable, that is, it will not persist when preset and clear inputs return to their inact
itive Edge-triggered Flip-Flops (with Preset and Clear) R04DS0012EJ0400 (Previous: REJ03D0415-0300) Rev.4.00 Dec 21, 2011 Features Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation Taping Abbreviation (Quantity) HD74LS74AP DILP-14 pin PRDP0014AB-B (DP-14AV) P -- HD74LS74AFPEL SOP-14 pin (JEITA) PRSP0014DF-B (FP-14DAV) FP EL (2,000 pcs/reel) HD74LS74ARPEL SOP-14 pin (JEDEC) PRSP0014DE-A (FP-14DNV) RP EL (2,500 pcs/reel) Note: Please consult the sales office for the above package availability. Pin Arrangement 1CLR 1 1D 2 1CK 3 1PR 4 1Q 5 D 1Q 6 CLR Q GND 7 CK D PR CLR Q Q CK PR Q 14 VCC 13 2CLR 12 2D 11 2CK 10 2PR 9 2Q 8 2Q (Top view) Function Table Input Output Preset L H L H H Clear H L L H H Clock X X X D X X X H L Q H L H* H L Q L H H* L H H H L X Q0 Q0 H; high level, L; low level, X; irrelevant, ; transition from low to high level, Q0; level of Q before the indicated steady-state input conditions were established. Q0; complement of Q0 or level of Q b
642FPEL HD74LS642P HD74LS642P HD74LS642RP HD74LS642RPEL HD74LS645-1P HD74LS645-1P HD74LS645FP HD74LS645FP HD74LS645FPEL HD74LS645P HD74LS645P HD74LS645RP HD74LS645RPEL HD74LS669P HD74LS669RPEL HD74LS73AP HD74LS73ARP HD74LS73ARPEL HD74LS74AFP HD74LS74AFPEL HD74LS74AP HD74LS74ARP HD74LS74ARPEL HD74LS75FP HD74LS75FPEL HD74LS75P HD74LS75RPEL HD74LS85FP Competition Competitor Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Hitachi America Renesas Technology Corp. Renesas Technology Corp. Hitachi America Renesas Technology Corp. Hitachi America Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Renesas Technology Corp. Hitachi America Renesas Technology Corp. Renesas Technology Corp
car sa C_l fe 6223 a 8: ii ie vi i LED FUNCTION S"-S!'-6 | =) 1) KEY j 1? Tt See 835" bheRREEE * FFF a8 4 50h Rie O ofr oa.ELECTRICAL PARTS LIST Circ. Ref. Description Part No. ICs IG1 LM339/HA1/339 190724 IG2 HD74LSO00P 190728 IGS, 11 MB74LS06 190729 IG4 HD74LS74AP 4001412 IC5 HD74LS14P 190730 IC6 uPD7811G-071 190733 IC? HD74LS373P 170108 IC8 HN4827128G-25 50nS 190722 IC10 MB8128-15 190723 IC12-14 HD74LS374P 190727 IG15, 16 HD74LS139P 190722 iC? HA17555 190725 TRA1 HA13408 190814 TRA2, 3 TH3L10 190734 IC18 L7805CY 190731 TR1, 2 29A1015- 170453 TRS, 4 25B858B 190721 TR5, 6 DTA114E 151096 D1 Zener Diode 3.3V DC 190719 D2-22 Sig Diode IN4148 190715 D23 Zener Diode 27VDC 190720 D24, 25 IN4004 190716 BD1 Bridge Rect S4VB10 190718 BD2 Bridge Rect S2VB10 190717 DA1, 2 Diode Array D1CA 190815 LED1, 2 LED Grn TLG211 190/44 LED 2 LED Red TLR211 190743 DS1 8 Way Dip Switch N/O 190737 DS2 10 Way Dip Switch N/O 190738 Sw Power Switch 2Pit $/190714 SWe-4 P/B Tact Switch 1 Pit 190739 TX Mains Transformer BS 9/
by or for Renesas Electronics. HD74LS74A Dual D-type Positive Edge-triggered Flip-Flops (with Preset and Clear) REJ03D0415-0300 Rev.3.00 Jul.22.2005 Features * Ordering Information Package Code (Previous Code) PRDP0014AB-B (DP-14AV) Part Name Package Type HD74LS74AP DILP-14 pin HD74LS74AFPEL SOP-14 pin (JEITA) HD74LS74ARPEL SOP-14 pin (JEDEC) PRSP0014DF-B (FP-14DAV) PRSP0014DE-A (FP-14DNV) Package Abbreviation Taping Abbreviation (Quantity) P -- FP EL (2,000 pcs/reel) RP EL (2,500 pcs/reel) Note: Please consult the sales office for the above package availability. Pin Arrangement 1CLR 1 1D 2 1CK 3 1PR 4 1Q 5 D 1Q 6 CLR Q GND 7 CK D PR CLR Q Q CK PR Q (Top view) Rev.3.00, Jul.22.2005, page 1 of 7 14 VCC 13 2CLR 12 2D 11 2CK 10 2PR 9 2Q 8 2Q HD74LS74A Function Table Input Output Preset L Clear H Clock X D X Q H Q L H L L L X X X X L H* H H* H H H H H L H L L H H H L X Q0 Q0 H; high level, L; low level, X; irrelevant, ; transition from low to high level, Q0; level of Q before the indicated steady-sta