Teac MT-20D-IO - Page 220

5-3-1 PCBA Drive Control (Part No. 15532057-00)
Symbol
TEAC Part No. Part Name/Rating Remarks
No.
-
l333205 7 -00
PCB Drive control Before issue
H
-
13332069-00 PCB Drive control After
issue
J
U1
13442528-00 IC
Control logic
U2 13442537-00
IC Encoder amplifier
U3 13442529-00
IC
Driver
U4
13441245
IC 74LS74A Before issue H
U4
13447452
IC
592
After issue J
U5 l3441346
IC 74LS123 Before issue H
U5
13447452
IC
592 After issue J
U6 13447564
IC
M51836FP
-
16191162 Heat sink For U6,
before issue
H
- 16191164-00 Heat sink
For IT6 ~
after issue J
-
16401206
Pan-head screw 2x6 BBNM X2, for
attaching
heat
sink,
after
issue J
-
16490000 Nut 2 BBNM X2,
for
attaching heat
sink, after
issue J
U7 l3441231
IC 74LSOO Before issue
H
U7
13442516 IC
uPD4052BG
After issue J
U8
13442527 -00 Ie
Write
amplifier
U9
13442526-00 IC
Read amplifier
Before issue H
LT9
13442749-00 IC
Read amplifier
After issue J
- 511 -