INDEX + +12V, 1, 2 C3, 1 Instruction latch strobe, 5 C34, 6, 18 Instruction reset strobe, 5 +5V, 1, 3, 15 - -12V, 1 C4, 1, 18 C47, 12 internal diagnostics, 8 J J1, 1, 18 1 1/4 inch jacks, 6 C5, 1, 15, 18 C50, 6 C59, 2 J11, 6, 18 J12, 11, 18 1/8 inch cable, 8 12MHz, 3 C6, 1, 18 J5, 16, 18 1N5231B, 9, 18 4 4052, 6, 16, 18 C62, 3, 14 C64, 3 J6, 16 jitter, 6 C65, 3 jumper, 10, 11, 13, 15 5 5.1V zener, 3 C7, 1 CA, 1, 9, 10, 11, 12, 13, 14, 15 K keypad, 3, 4, 6, 12, 16, 18, 19, 20 6 6MHz, 5 cassette, 6, 20 L LCD, 3, 4, 11, 15, 18, 20 7 74HC04, 10, 18 CE, 5, 10, 16 ceramic disk, 12, 13, 15 LED Test, 8 Lithium, 2, 18 74HC04s, 6 chokes, 13 lock-up, 3 74HC138, 4, 15, 18 74HC540, 6, 18 Click value, 24 cliff jack, 10 low order address, 3 low power, 2, 13 7805, 1, 18 CLOCK, 3, 5, 10, 15, 21, 24, 25 LSI, 5 7812, 1, 18 7912, 1, 18 comparators, 6 contacts, 10, 12, 16 M Manual voice/tune/mix, 24, 25 8 8031, 3, 4, 5, 6, 7, 8, 10, 11, 13, 15, 16, 18 COPY, 29, 30 Mask Rom, 5, 17, 18 A A, 1, 4, 6, 7, 9, 10, 11, 12, 13, 15, 23, 27 crashes, 10, 16, 17 D D1, 1, 18 mask ROMs, 5 MD0-MD7, 5 A0-A19, 5 D15, 3, 4, 15, 18 MEM PWR, 2 A15, 4 D19, 6 MEMORY DUMP, 23, 29 memory mapped I/O, 3, 4 A8-A10, 4 adapter, 1 D2, 1, 18 D21, 11 microprocessor, 1 MIDI, 3, 4, 8, 11, 15, 16, 20, 21, 22, 23, 24, 28, 29, 30 adapters, 7 D3, 1 ADC, 16 Address Buss, 5, 8, 15 D4, 1 D5, 1, 15 mono, 10, 18 monolithic block ram capacitors, 12, 13 adjustment, 6, 8, 9, 17 D6, 4, 18 Most Significant Bit, 6, 23 Analog switch, 6, 16 analog to digital, 6 D7, 2, 5 D8, 9 N noise, 2, 3, 7, 8, 11, 12, 13, 14 AQ, 1, 6, 9, 10, 11, 13, 15, 16, 18 ASIC, 3, 4, 5, 6, 10, 15, 16, 17, 18, 19 DAC, 5, 6, 8, 11, 16, 17, 18, 21 normaling, 10 O OE, 10 audio test, 8 DAC0-DAC16, 5 data buss, 2, 3, 4, 5, 10, 15, 16, 17 Auto start, 24 B Battery backup, 2, 3, 8, 12, 16 data corruption, 2, 3, 9 op-amp, 3, 16, 17 opto isolator, 4, 11 data slider, 6, 16, 17 DataDisk, 7 oscillation, 3 Output Sample and Hold, 5 battery drain, 2, 12 binary weighted resistor network, 6, 16 distortion, 13 output section, 6 button failures, 4 DM3AG, 3, 5, 6, 15, 16, 17 drift, 12 Oxidation, 7, 10 oxidize, 12 buzz, 8 bypass, 1, 14, 15, 16 dropouts, 7 P PATTERN DATA, 26, 27, 30 C C1, 1, 18 E EPROM, 3, 8, 10, 15, 16, 17 PCM-54, 6, 8, 12, 16, 17 C11, 13, 16, 18 H hot glue, 13 piezo, 3, 6, 16, 18 C16, 6, 18 C2, 1 HR-16, 3, 5, 6, 7, 8, 11, 12, 15, 17, 18, 20, 21, 22, 23, 24, 28, 29, 30 power supply, 1, 13, 14, 15, 17 program, 3, 20, 24 C20, 3, 12 HR-16B, 17, 18, 23, 24 program change, 21 C23, 13, 16 I I/O, 3, 4, 6, 8, 15, 17 pullup resistor, 4, 7, 16 HR-16/HR16B Service Manual 1.00 32