Yamaha tx81z Service Manual page 34
Fm tone generator
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Also See for tx81z:
- Owner's manual (92 pages) ,
- Product manual (88 pages) ,
- Service manual (37 pages)
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TX
81
Z
Notes)
DM,
PN,
JK
Circuit
Boards
1.
Circuit
Boards*
XA924D
2.
1C
IC1
ICS, 10:
IC3:
IC4:
fC5:
IC6:
IC7:
fCS:
IC9:
IC11:
IC1
2:
IC13:
IC14:
IC1
5;
IC16:
1
Cl 7
IC1S:
NJM4558DV
(1
GOO
1390)
NJM072D
(16107000)
NJM4S56DV
(IG042500)
TC40H004P
(IG051000)
TC40H074P
(IG05110)
PST518B-2
(IG1
16200)
SN74HC14N
(IR001450)
TL.P552 (IK000470)
)R9311
(IG
134900)
SN74HC138N
(IR013850)
YM3012
(1T301200)
YM2414
(XB768001)
RAM
TC5S64PL-15 (XB013001)
ROM
64
K
(XB186002)
HD63B03XP(IG
140800)
SN74HC32N
(IR003250)
SIM74HC04N
(IR000450)
3
+
Transistor
Q1
2:
Q3 ^6:
Q7
—9:
2SC2878
(A, B)
2SA1115
(E, F)
2SC2603
(E. F)
4.
Diode
D1
^3:
1
SSI 76
5.
LED
LED1
^4:
LN242RP
(RE)
6*
(-fc)
marked:
Semiconductive
Cera.
Cap
7.
6.8a 1W:
47a
1
W:
Metal
Oxide
Resistor
Metal
Oxide
Resistor
8.
Resistor
Array
RA1
RA2:
RA3:
RMNG1
2472/1 03J (4.7K
x
6
+10K
x
6)
RMNG1
0472/103
J
(4.7K x
5
+10K
x
5)
RMLA-391
J
(390
x
4)
9*
CL1
CR1:
Ceramic Resonator
500kHz
Quartz
Crystal
Unit
7.15909MHz
10,
EMM:
EMI
Filter
0.022.UF
11.
Lithium
Battery
B1:
CR2032
TYRl
T
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