Technics SX-K350 - MIDI Implementation Chart (Transmitted Data); Transmitted MIDI Data Specifications

DRUM PERCUSSION CIRCUIT
Rhythm Module
(Orum percussion), R248 470K
R251 100K
R245,
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TONE GENERATOR CIRCUIT
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Notes @ Important safety notice:
Components identified by A, mark have special characteristics for safety.
When replacing any of these components, use only manufacturer's specified parts.
16
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R215 33K Pt
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C133 16VI0
C132 16vI0
E POWER AMP CIRCUIT
C148 16vIO
BREF
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R278
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C147 16V1000 aermes JACK CIRCUIT
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18
@ Signal line:
o> Tone signal line.
#eea— Clock and sound source signal
==> Control signal line.
NOTES:
| MAIN |
°Ic’S
IC1: SVIG7811G077
IC2: MN4069UB
IC3, 40: SVIGM74LS174
IC4, 11: SVIGM74LS138
IC5: SVIGM74LS145
IC6: SVIGTC40H373
IC7: (SXPG128511)
IC8, 9: SVIGM512820R
1C10: SVIGUPD8253
(C12: DN74LS10
1C13: SVIGTLP552
1C14: SVIGM74LS05
1C15: SVIGMSM5232R
1C16~%18, 20,21, SVIGM5218L
23, 25, 27, 29:
1C19, 22, 24, 26, SVIGM5241L
28:
1C31~%35, 45: SVIGUPD4066B
IC36~39: SVIGHD14174B
1C41: SVIGM53207
1C42, 43: SVIGHD14050B
1C44: AN7147
¢ TRANSISTORS
QL 2SC1384RS
Q2, 3, 7, 10, 2SC2320LFG
15-17, 1923,
2628, 31, 32,
37:
Q4, 5, 8, 11, 12: 2SC1047C
Q6: 2SA933STRS
Q13, 14, 24, 25, 2SK381D
3336:
Q18, 29, 30: 2SJ40CD
¢ DIODES
D1°.9, 13~29, MA165TA5SVT
3543:
D10~12: MA4036H
D30: MA4039H
¢ COMPONENT COMBINATIONS
Z1, 3, 4: EXBP88223MM
Z2, 12, 13: EXBP86223MM
25, 6: EXBP86472MM
27,9: EXBP88472MM
210: EXBP88222JM
ZANT EXBP88335MM
¢ QUARTZ OSCILLATOR
x1: SVQG43U1200A
e RELAY
RL1: SSYGMR5212S
¢ COIL
L1: EIK1EGO10B
L2, 3: SLQG16W33A
| EROM |
eIC’S
IC1: SV1IG27128PGH
IC2: SVIG27128PGL
¢ TRANSISTOR
Q1: 28C01047C
° COIL
L1: SLQG16W33A