PCB layout 2005-03-21 f205v |----------------------| | Fully boxed = socket | |----------------------| | separation = solder -----------------------------------------------------------------------| |ALFA DENSHI CO, LTD. SOUND BOARD NO.59MC07 | | | | |--------------------| | | P | \/ | JAPAN 84250C | SN74LS232J | SN74LS74AN | DISSIPATOR | | | /\ | M5l8085AP | 8131BJ | 8314A | | | |--------------------| | | | | N | SN74LS74A | | | 8122AG | | | | |------------| | | M | HV1VR OKI | SN74LS138J | SN74LS74AJ | LM324N | LM324N | | | 2764-45 | 8044AG | F8048 | J423A2 | 98509 |- (+12V) | |------------| | | |- (+5V) | |------------| | | L | HV2VR OKI | T74LS14B1 | SN74LS08N |- (OUT) | | 2764-45 | 88442 | K8208 | | |------------| |- ( | | (GND) | |------------| |- ( | K | HV3VR OKI | SN74LS08J | SN74LS04N | LM324N | | | 2764-45 | K8208 | I8313 | 98509 | | |------------| | | | | J | SN74LS74A | SN74LS232J | | LM324N | | | 8122AG | 8131BG | | 436A | | | | |------------| |------------| | | H | HV4VR OKI | SN74LS393N | TBP18S030N | | LM324N | | | 2764-45 | K8208 | J419X | | 436A | | |------------| |------------| | | | | F | SN74LS138J | HCF40174BE | | CD4066BCN | | | 8044AG | MSM40174 | | MM5666BN | | | | E | M74LS123P | SN74LS138J | CD4066BCN | CD4066BCN | | | 84A6C1 | 8044AG | MM5666BN | MM5666BN | | MUSIC | | |-------------------------| | | D | SN74LS373N | JAPAN 841903 | | CD4066BCN | | | 2764-45 | M5L8155P | | MM5666BN | | |-------------------------| VOICE | | | |C |-------------------------| | |O C | 74LS173 PC | MSM5232RS | | |N | 8247 | OKI 4342 | | |N |-------------------------| | | | |T B | |O | | |-------------------------| | |M A | 74LS173 PC | SOUND AY-3-8910 | CD4066BCN | CD4066BCN | |A | 8247 | 8046 CDA | MM5666BN | MM5666BN | |I |-------------------------| | |N | | | 1 | 2 | 3 | 4 | 5 | -----------------------------------------------------------------------| -----------------------------------------------------------------------------------| |ALFA DENSHI CO, LTD. MAIN CONNECTOR BOARD | | | | | | | K | J | H | F | E | D | C | B | A | | | | J 1 | LS08 | LS74 | LS109 | LS27 | LS32 | | LS153 | LS153 | 24S10 |L | 2 |S | 2 | LS74 | LS04 | LS21 | LS00 | LS174 | LS153 | LS153 | LS273 | 24S10 |2 | T |7 | O |-------| |3 | 3 | LS32 | LS161 | LS161 | LS157 |H | LS194 | LS194 | LS04 | 24S10 | | L |TMS2732| | O |-------| | W |---------------| | E 4 | LS00 | LS86 | LS86 | LS08 | LS157 | LS157 | ALPHA-8303 | | R | 44801B42-3M 3 | | |---------------| | B |-------| | O 5 | LS393 | LS86 | LS86 | OSCLT |M58725P| LS157 | LS157 | A |-------| | R |-------| | D 6 | LS04 | LS161 | LS161 | LS273 | LS157 | LS157 | LS08 |M58725P| |-C | |-------| |-O | |-----------|-----------| |-N | 7 | LS74 | LS367 | LS74 | LS368 | LS373 | M58725P | M58725P | LS245 |-N | |-----------|-----------| |-E | |-C | 8 | LS32 | LS74 | LS32 | LS138 | LS245 | LS245 |-T J |-----------|-----------| |-O 1 9 | LS08 | LS00 | LS74 | LS138 | empty | empty | LS368 |-R |-----------|-----------| |- T |-----------|-----------| |-N O 10 | LS08 | LS32 | LS74 | LS138 | LS139 |HP3VR |HP7VR | LS368 |-O |M5L2764K |HN482764G | |-N L |- |-----------|-----------| |-J O 11 |C \ | LS02 | LS00 | LS138 | LS259 | LS368 |-A W |O \ |-----------|-----------| |-M E |N S | |HP2VR |HP6VR | LS368 |-M R 12 |N O | |HN482764G |M5L2764K | |-A | U | |-----------|-----------| | B |F N | |-----------------------|-----------|-----------| | O 13 |R D || LS74 | HD68000-8 |HP1VR |HP5VR | | A |O / | 4D3-R |M5L2764K |M5L2764K | | R |M / |-----------------------|-----------|-----------| | D |- | | 14 | LS05 | LS193 | LS214 | LS08 | LS139 | DIP 6x | | | |----------------------------------------------------------------------------------| -------------------------------------------------------------------------------------| |ALFA DENSHI CO, LTD. LOWER BOARD | | | | | J | K | J | H | F | E | D | C | B | A | 2 | 1 | LS245 | LS139 |----------|----------| LS174 | LS153 | 4416 | LS04 | LS194 | T | HM6116-3 | HS4VR | | O | M58725P | M5L2764K | | 2 | LS245 | | | LS174 | LS153 | 4416 | LS373 | LS194 | M |----------|----------| | A | HM6116-3 | HS3VR | | I 3 | LS08 | LS04 | M58725P | M5L2764K | LS283 | LS153 | 4416 | LS157 | LS194 | N | | | | |----------|----------| | B 4 | LS86 | LS86 | HS6VR | HS2VR | LS283 | LS153 | 4416 | LS373 | LS194 | O | M5L2764K | HN482764G| | A | | |-------|-------| | R 5 | LS157 | LS157 |----------|----------| LS193 | LS193 | LS08 | LS32 | LS32 | D | HS5VR | HS1VR |-------|-------| | | | M5L2764K | M5L2764K | |-------| | | 6 | LS08 | LS86 | | | LS157 | LS157 | LS153 | 24S10 | LS257 | | |----------|----------| |-------| | | | HB5VR | HB1VR | |-------| | | 7 | LS157 | LS157 | M5L2764K | M5L2764K | LS157 | LS273 | LS153 | 24S10 | LS257 | | | | | |-------| | | |----------|----------| | | 8 | LS669 | LS669 | HB6VR | HB2VR | LS157 | LS273 | LS153 | LS153 | LS32 | J | M5L2764K | M5L2764K | | 1 | | | |-------| | 9 | LS669 | LS669 |----------|----------| LS157 | LS273 | LS153 | 24S10 | LS257 | T | HM6116-3 | HB3VR | |-------| | O | M58725P | M5L2764K | |-------| | 10 | LS273 | LS273 | | | LS194 | LS04 | LS153 | 24S10 | LS257 | M |----------|----------| |-------| | A | HM6116-3 | HB4VR | | I 11 | LS245 | LS245 | M58725P | M5L2764K | LS157 | LS194 | LS86 | LS08 | LS02 | N | | | | |----------|----------| | B 12 | LS373 | LS373 | LS194 | LS157 | LS08 | LS74 | LS175 | O | A | R 13 | LS373 | LS273 | LS174 | LS139 | LS08 | LS32 | LS74 | LS10 | LS00 | D | |------------------------------------------------------------------------------------|