Troubleshooting Your Phone IC

Flash ic

1. Auto reset (automatic reset)? automatic reset

2. Unknown flash? flash is not known when read wearing flasher

3. Unable to write? Hp can not be in flash

4. Writable but Unable to power on? Can the flash but did not want to live

5. Cannot write imei? can not change imei

6. With power but can not read by mbus / flasher device? 1st Error if checked with UFS

7. Read flash at first byte? Flash can be read only the first verse pd then if the Flash always look batrey weak.

SRAM IC

1. No Power appeared Ram is Bad, Hp Total death

2. Read and Write Flash but Unable to power on? Can Flash but do not want to live

3. Auto off (die-off)? When we try to turn it on again just can not live!

4. Can be flashed, but could not didetek use any flasher tool, ZERO / cannot diinfo

5. On the Nokia 3210 reading / writing stops.

COBBA IC

1. Total death if IC shorting (test it by hanging method)

2. Contact service

3. No signal

a. No rx (receive)? can not receive calls

b. No tx (transmit)? can not call out

c. Intermittent signal? dotted signal

d. Fluctuating signal? unstable signal

4. stable signal but can not get out, can not send sms.

5. No audio (earpiece / mouthpiece)? no sound on the speakers, can not send voice.

6. Garbled audio? Sound broken

7. Cannot unlock? can not unlock

8. Sim cards are not always accepted Appear? always appear sim card rejected

9. Auto reset (test with simcard only)? automatic reset

CCONT / IC power supply

1. No power? die total / Matot

2. No Signal? there is no network

a. No rx? can not receive calls

b. No tx? can not calling out

c. unstable signal

3. Insert sim card? input card

4. Writing flashing error? when the flash error

5. Always hangs (JAMMED)? keyped hangs / ngacak

6. Auto off (with sim and without sim)? Hp die alone, whether or not use sim cards

7. No display? no display on the LCD

8. Contact service? service contacts appear on the LCD

9. No ui interface (light, buzzer, Vibra)? lights, tones, and vibrate is not working

10. can live but can not use the appliance checked Flasher.

HAGAR / RF

1. No Power? Matot

2. No Signal? no signal

a. No rx? can not accept tlpn

b. No Tx? can not call out

c. Fluctuating? unstable signal

d. Intermittent? Dotted signal

3. Auto off Pls signal receiving or after receiving the signal? turns itself off when the signal appears

4. Hang then off? Hp keyped hangs then dies.

PA (Power Amplifier)

1. No transmit? can not tlpn / perform the call ended / call failed

2. No Rx if overcurrent? can not access when select the network manually

3. Turns itself off when a phone / before entering Menu

4. No Power if shorted? Hp total dead if the PA die / konslet

5. Short battery standby time (fast drain)? Batrey wasteful!

6. Transmit weak? Weak signal.

Crystal osci (13/26 MHz)

1. No Power? Matot

2. No signal? cut no signal

3. Auto off? own death

4. Hang? Keypad not working.

Crystal Clock

1. Slow / too fast ringing tone? Ringing tone is too dial / slow

2. Slow / timing clock too fast? Clock / time telalu dial / slow

3. Intermittent signal? Dotted signal

4. No power if shorted? If a short-circuit caused the total dead.

Antenna Switch

1. No RX? can not receive a phone call

2. No TX? can not call out

3. Fluctuating Signal? unstable signal

4. Intermittent Signal? dotted signal

IC in BB5 (Baseband 5)

BB5 or Base Band Generation 5 has a variety of ICs such as:

1. RAP3G/GSM (3G Radio Application Processor)

The main functions to manage the process of working phones. Retu voltage obtained from the VIO 1.8 Volt, and the Vcore 1.4 Volt from TAHVO.

2. OMAP (Open Multimedia Audio Processor)

Function to set the User Interface such as Camera, MMC, keypad, LCD, etc.. OMAP get a supply voltage of 1.8 volts retu is VIO.

3. NAND Flash (APE Combo Memory)

This memory contains the application data and user data User Interface settings. NAND Flash ICs have supply voltages of the VIO Power retu VDRAM 1.8 Volt and 1.8 Volt. NAND Flash is the support of OMAP in other words accessed by the OMAP NAND (RAP3G not access the NAND Flash).

4. NOR Flash + SDRAM (CMT Memory)

This memory contains vital data containing the main function of the phone firmware, calibration and Certificate ID. VIO supply voltage of 1.8 volts retu. NOR Flash is only accessible by RAP3G only (no access OMAP NOR Flash).

Power Suply or IC power in BB5 differ in DCT1-4, WD2 and Linda. In no CCONT DCT3, DCT4 UEM-WD3 there. While in BB5 itself is divided into 2 retu and TAHVO. Unlike in DCT4 (UEM) to the two ic replacement does not require or IMEI RPL because both ic does not store data only as a power supply only.

5. Retu

Retu is the Main Power ICs are responsible for providing supply voltage to the CPU, the SIM Card, and Startup Power and voltage other vital. Also the audio signal processing (Vibrator, Microphone, Earphone and Speaker Phone). Damage to retu can cause the total dead cell phone and other damage. Another function of the set of LED lighting retu both LCD / Keypad Led. Keypad LED will not light up when in a bright room. ALS (Ambient Light Sensor) is located in front of the phone casing in the form of light-sensitive transistor.

6. TAHVO

TAHVO is second in charge of the Power IC also provides voltage to the CPU, battere charging voltage (charging), flashing voltage and LED voltage.

In the family BB5 signal is also different from previous generations. Here too is divided into 2 parts, namely HINKU and VINKU as the executor of the signal path.

7. HINKU

HINKU is a component of the signal receiver (Receiver). Incoming signal to a mobile phone which is then processed by Hinku will be sent to RAP3G and output on the speakers.

8. VINKU

VINKU is a component of the signal transmitter (Transmitter). The sound coming from the mic towards RAP3G VINKU forwarded to and reinforced by the PA and transmitted to the provider.