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This manual is very helpful, correct shematic diagram, and good exploded view.Perfect!
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Alte gescannte Servicepläne sind oft doch etwas undeutlich . Stromlaufpläne werden auf mehrere DIN A4 Seiten aufgeteilt. Alles ziemlich umständlich und zeitaufwendig. Aber mit etwas Mühe geht alles.
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Great item, high resolution, detailed, very easy to work with.
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fast delevery of the manual and very complete manual, now my Akai works again, will buy again, thanks.
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Tartalma megfelelő. Szebb kivitelű is lehetne a scannelés.
Block Diagram 3-2
Head set Buzzer
3-2 Baseband Block Diagram
Audio Interface Voiceband/Baseband Codec (AD642d1)
SPK Mic.
Batteru Voltage
Flash ROM
I/Q BB Filter
Audio Interface
Battery Temperature
I,Q
System RAM
RF Interface
Ramp cont. AGC AFC
PLL
GSM Graphic LCD Processor (AD6426) Serial Data Interface
13Mhz Clock
BB Interface
I/O Interface EEPROM SIM card Interface
3V SYNTH
3V BRIGHT
+3V SIM Card +5V SIM Card
XVCC
Charging Circuit
3V TX
KeyPad
VCC
Li-on Battery (3.6V, 1000mAh)
DC/DC Converter
LDO Regulators
AVCC
RTC 3V3
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