FM540Service Manul
B104K
1IS1-SCT3252PS
Digital Baseband
Processing Chip
SCT3252PS
ˈ
LQFP100
ˈ
leadfree
1
U1
1IS1-SCT3252PN
Baseband Chip
SCT3252PN
ˈ
Baseband Chip
1
1IM1-ST24
Vocoder 6.25K Series Vocoder/ST24
ˈ
6.25K Series
1
1ID1-MC74VHC1G
T04
Single Reverser IC
MC74VHC1GT04
ˈ
SC-88A/SOT353
ˈ
leadfree
1
U8
5OT1-12R8-ACL4-0
303
Chip Temperature
Compensated
Oscillator
12.8MHz±1.5ppm,Vcont=1.5V±1.0V
ˈ
Range:±20ppm,-40
ć̚
+85
1
X1
1IS1-WM8758B
CODEC Chip
WM8758CB, 32-Pin QPN
Package :5*5*0.9MM,leadfree
1
U6
1IS1-XC6204B332
MR
Chip Voltage
Regulator IC
Voltage RegulatorIntegrated
3.3V,SOT-23-5,150mA
1
IC8,
1IS1-TC75S51F
Chip Single
Operational Amplifier
IC
TC75S51F,SSOP5-P-0.95
1
U202
1IS1-XC6228D122V
R
Chip Specialized IC
Power Supply
IC,XC6228D122VR-G,SOT-25J,5PIN,l
eadfree
1
IC102
1IS1-TA78033AF
E R chip Voltage
RegulatorIC
TA78033AF,leadfree
1
IC2
Page 72 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 ...