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There are currently no product reviews.
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Service manual very complete and clear. It was very helpfull for my work.
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This is the 2nd time I download manuals from this website and I can say it's what I was expecting. It contains schematic, layout (decent quality), short description, parts and dissasembly instructions. I recomend it for anyone who wants to repair/modify this device.
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Very useful Service Manual! With it I was able to identify the damaged pots in my old amplifier, purchase the adequate replacements and make myself the repair.
I have again my old amplifier, still a very good one that I will keep for as many years as I can!
Thanks to Owner Manuals!
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Good price for the manual and easy to locate on the site and download. Plus, just like the original. Thanks a lot.
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Genuine Service Manual. Link was available in less then an hour or so. Service Manual contains assembly, PCB layout, complete circuit diagram, Components list etc
Block Diagrams 3-2
SYSTEM CLOCK
GSM/DCS VOCODER
3-2 Main Base Band
+3V SIM Card SIM Card Serial Data Interface +5V SIM Card I/O Interface
Memory
SYSTEM RAM 4M
B.B Interface A/D Interface
Battery Voltage
FLASH ROM 16M
Battery Temperature
GSM/DCS
EEPROM 128K
I/O BB Filter GSM/DCS RF interface GSM PLL PLL DCS PLL 3V Tx Multi Switch Array
KERNEL 5
8M ROM (Voice Recognition)
GSM Tx
DCS Tx Charging Circuit KeyPad POWER Circuit AVCC Graphic LCD (115*60) Li_lon Battery (3.6V) VCC RF PSU
GSM PSU
DCS PSU
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