FM540Service Manul
1IM1-ST24
Vocoder6.25K Series
Vocoder/ST24
ˈ
6.25K Series 1
1ID1-MC74VHC1G
T04
Single –Electron Inverter IC
MC74VHC1GT04
ˈ
SC-88A/SOT353
ˈ
leadfree
1
U8
5OT1-12R8-ACL4-0
303
Chip Temperature
Compensated Crystal
Oscillator
12.8MHz±1.5ppm,Vcont=1.5
V±1.0V
ˈ
Range:±20ppm,-40
ć̚
+85
1
X1
1IS1-UPB1509GV
R chip Specialized IC
Frequency
Detector:UPB1509GV,SSOP
1
IC12
1IS1-WM8758B
CODEC Chip FP520 FM540
Specialized Material
WM8758CB, 32-Pin QPN
Package5*5*0.9MM,leadfree
1
U6
1IS1-XC6204B332
MR
Chip Voltage RegulatorIC
Voltage Regulator Integrated
3.3V,SOT-23-5,150mA
1
IC8,
1IS1-XC6228D122V
R
Chip Specialized IC
Power Supply
IC,XC6228D122VR-G,
SOT-25J,5PIN,leadfree
1
IC102
1IS1-TA78033AF
E R chip Voltage Regulator IC
TA78033AF,leadfree
1
IC2
5XT1-3R58-A
E R chip Crystal Oscillator
3.58MHz,SMT-49,30PPM
1
X2
5XC1-9R8-MPL20-0
503
R chip Crystal Oscillator
9.8304MHz±30PPM,±50PPM
,16P,-40
ć
to+80
ć
,NX5032GA
1
X200
1TT1-DTA144EE
R chip triode
Digital Triode
DTA144EE-SMD
3
Q23,Q36,Q15
Page 53 of 99
Summary of Contents for FM540
Page 1: ...FM540 Service Manual FM540 㔤 ሱ䶒 I ...
Page 89: ...FM540Service Manul Figure 2 FM540 01 Top Layer Position Diagram 136 174MHz Page 86 of 99 ...
Page 90: ...FM540Service Manul Figure 3 FM540 01Bottom Layer Position Diagram 136 174MHz Page 87 of 99 ...
Page 101: ...FM540Service Manul Figure 8 FM540KEYTop Layer Position Diagram Page 98 of 99 ...
Page 102: ...FM540Service Manul Figure 9 FM540KEY Bottom Layer Position Diagram Page 99 of 99 ...