hit counter code
Samsung SGH-E820 Service Manual
  1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Cell Phone
  5. SGH-E820
  6. Service manual
Samsung SGH-E820 Service Manual

Samsung SGH-E820 Service Manual

Gsm telephone
Hide thumbs Also See for SGH-E820:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
G SM TE L E PHO N E
Manual
SERVICE
G S MT E L E P H O N E
C O N T E N T S
1 . S p e c ific a tio n
2 . C ir c u itD e s c r ip tio n
3 . E x p lo d e dV ie w sa n dP a r tsL is t
4 . E le c tr ic a lP a r tsL i s t
5 . B lo c kD i a g r a m s
6 . P C B D ia g r a m s
7 . F lo w C h a r to fT r o u b le s h o o tin g

Advertisement

Table of Contents
loading

Related Manuals for Samsung SGH-E820

Summary of Contents for Samsung SGH-E820

  • Page 1 G SM TE L E PHO N E Manual SERVICE G S MT E L E P H O N E C O N T E N T S 1 . S p e c ific a tio n 2 . C ir c u itD e s c r ip tio n 3 .
  • Page 2 ELECTRONICS...

  • Page 3: Gsm General Specification

    - 1 0 0 d B m TDM A M u x C el l Ra d iu s 3 5 Km 3 5 Km 2 Km 1- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 4: Gsm Tx Power Class

    9 ¡¾ 5 dBm 4 ¡¾ 4 dBm 7 ¡¾ 5 dBm 5 ¡¾ 5 dBm 2 ¡¾ 5 dBm 0 ¡¾ 5 dBm 1- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 200kHz offset 30 kHz bandwidth -36dBm -36dBm 400kHz offset Modulation Spectrum 30 kHz bandwidth -36dBm -51dBm 600kHz ~ 1.8MHz offset 30 kHz bandwidth -56dBm 2- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 The Backlight Brightness Modulator (BBM) contains a programmable Pulse-width modulator (PWM) and FET to modulate the intensity of a series of LED’s or to control a DC/DC converter that drives LCD backlight. This phone ( SGH-E820) use PWM control to contrast the backlight brigtness. 1.3. Clock Generator The Clock Generator (CG) generates all clocks for internal and external usage.
  • Page 7 YMU765_MA5 includes a speaker amplifier with high ripple removal rate whose maximum output is 580mW (SPVDD=3.6V). The device is also equipped with conventional function including a vibartor. 2- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 Signals in the OM6359 enable two memories. They use only one volt supply voltage, VDD3 in the PCF50601. This system uses Samsung's memory, KBB06B400M-F402. It is consisted of 128M bits flash NOR memory and 256M bits flash NAND memory and 64M bits SCRAM. It has 16 bit data line, HD[0~15] which is connected to OM6359 and MV317SAQ.
  • Page 9 CPU is available. JPEG encoder and decoder are baseline ISO/IEC 10918-1 JPEG compliance (DCT-based). JPEG decoder supports YUV444, YUV422, YUV420 and YUV411 format standard JPEG image. 2- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 QLC40 QMP02 QPC01 QME02 QKP01 QAN03 QAN02 QFL01 QVK01 QMP01 QCR05 QCA02 QSC11 QME01 QCH01 QIF02 QMI01 QRE01 QVO03 QCK02 QCR06 QRF05 QBA18 3- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 QRE01 REAR COVER ASSY GH75- 04456A QVO03 VOLKEY GH72- 13120A QCK02 CAMERA KEY GH72- 13121A QCR06 SCREW 6001- 001155 QBA18 BATTERY GH43- 01328A 3- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 3- 3. Serial Cable (GH39- 00283A) (GH39- 00217A) 3- 4. Power Supply Cable 3- 5. DATA CABLE 3- 6. TA (GH39- 00219A) (GH44- 00482A) 3- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 1205- 002350 U400 2007- 000162 R305 1404- 001221 TH201 2007- 000162 R306 1405- 001093 TH300 2007- 000162 R307 1405- 001093 TH301 2007- 000162 R308 4- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 2007- 002796 R200 2203- 000254 C203 2007- 002796 R205 2203- 000254 C207 2007- 002796 R217 2203- 000254 C225 2007- 002796 R227 2203- 000254 C304 4- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 2203- 000854 C105 2203- 005065 C433 2203- 000854 C106 2203- 005065 C506 2203- 000854 C236 2203- 005138 C117 2203- 000885 C415 2203- 005395 C407 4- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 2203- 006208 C417 2806- 001341 OSC100 2203- 006208 C424 2809- 001287 OSC101 2203- 006208 C428 2901- 001246 U307 2203- 006208 C431 2901- 001295 F500 4- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 0504- 001100 U305 2203- 001652 C600 2203- 005061 C607 2203- 005065 C603 2203- 005065 C606 2203- 005065 C609 2203- 005065 C610 2203- 005065 C611 4- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 2203- 005840 C616 2404- 001086 C605 2404- 001101 C604 2703- 002714 L600 3708- 001853 CN601 3708- 001890 CN600 4715- 001077 D610 3711- 005661 CN602 4- 6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 VDD2 (1.35V min 3.45V max , 150mA ) VDD3 (1.35V min 3.45V max , 100mA ) VDD4 (1.35V min 3.45V max , 150mA ) 5- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 ( 3 2 . 7 6 8 K h z ) C i r c u i t A V D D K E Y _ P A D 5- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 6 . S G H - E8 2 0 P C B D i a g r a m s 1. Main PCB Top Diagr am 6- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 PCB Diagrams 2. Main PCB Bot t om Diagr am 6- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 PCB Diagrams 3. Sub PCB Top Diagr am 6- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 PCB Diagrams 4. Sub PCB Bot t om Diagr am 6- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 C heck the clock generation circuit (related to O SC 101) = 13M H z Y es C heck the initial operation Y es E N D 7- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 F low Chart of Troubleshooting 7- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 (m em ory C E ) O K ? Y es C heck the circuit around L C D Y es E N D 7- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 F5 _U B HA(26) DN U _WP/ACC DN U C6 _RESET DN U R/_BR DN U C7 R/_BN DN U _Z Z C306 KBB06B400M-F402 7- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 29: Charging Part

    C H G _O N signal Y es C heck the U 204 pin 3 R esolder or replace U 204 ¡Ö4.2V Y es E N D 7- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 PROG 200K,1% Q202 END_OF_CHARGE R236 _CHRG 270K C243 R237 LTC4054ES5-4.2 10U F 270K 6.3V Q201 BCR133T R238 R239 180K 180K CHG_ON FDG6301N CHARGER_OK 7- 6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 31: Sim Part

    C N 400 pin 2 = " H (SIM _R ST)" ? Y es C heck the SIMC ard Y es E N D 7- 7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 4.7UF C403 SIM_RST 6.3V SIM_CLK 100NF SIM_IO C404 100NF SI M CHARGE PUM P CPRES SI M SIMIO SIMIO INTERFACE SIMCLK SIMCLK CLOCK 7- 8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Microphone Part

    C heck U 200 PIN 1,9 = ' L ' ? R eplace PBA Y es C heck the M IC R eplace the M IC Y es E N D 7- 9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 MIC_PAD C218 100NF R203 MIC_N C219 C220 C221 R205 LINE_OUT MICP MIC_P MICN MIC_N AUXMICP AUX_MIC_P AUXMICN AUX_MIC_N VDD1 MCLK D_REF_13M R224 3.9K 7- 10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 35: Speaker Part(Melody)

    C N 601 pin 2,4 ¡Ö1.8V ? FPC B (W hen U 303 operate) Y es C hange the Speaker Is Speaker working? Y es E N D 7- 11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 100N F VBAT C315 47N F C316 C317 33UF 100NF 6.3V R327 R328 C318 4.7K,1% 1.2N F R32 9 C319 15K,1% 22NF LINE_OUT 7- 12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: Key Data Input

    W hen one of the keys is R eplace the PBA pushed, K B IOsignal is O K ? Y es E N D 7- 13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 KBIO(5) KBIO(6) ZD303 NZQA5V6XV5T 1 EN D ONKEY_N KBIO(2:6) KBIO(2) LEFT DOW N KBIO(3) SOFT2 RIGHT KBIO(4) IN T SOFT1 KBIO(5) SEND KBIO(6) 7- 14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 39: Receiver Part

    M odify the speaker wire soldering spaeaker wire Y es R eplace the R eceiver Is R eceiver working? Y es E N D 7- 15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 EARN REC_N AUXSP AUXSP LINE_OUT TH201 MICP MIC_P NCP15WB473J04RC MICN MIC_N AUXMICP AUX_MIC_P AUXMICN AUX_MIC_N VDD1 MCLK D_REF_13M R224 3.9K ACLK BOEN BOEN 7- 16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Back Light (For Color Main Lcd)

    C heck the U 601 &the related circuit U 601 PIN 1 = 12V ? Y es R eplace the L C DM odule Y es E N D 7- 17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 L600 U601 LQH2MCN220K02L ZD600 UDZSTE-1716B 22uH VOUT LED + VI N R614 VBAT CTRL BACKLIGHT LED - LT3465 C604 C605 R607 4.7UF 6.3V 7- 18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 43: Key Back Light

    C N 601 PIN 6 = " H " ? Y es C heck the U 600 U 600 pin 4 = " H " ? Y es E N D 7- 19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 U60 0 MIC5213-3.3BC5 SUB_KEY_BACKLIGHT OU T C600 R602 R603 R604 R605 470NF D600 D601 D602 D603 AOT-0603P-W03- X AOT-0603P-W03- X AOT-0603P-W03- X AOT-0603P-W03- X 7- 20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 45: Camera Part

    C heck O SC 500 and R 500 Y es Is there another problem ? Y es R eplace the cam era m odule E N D 7- 21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 VEP6 DVSS16 VEP7 DVSS17 VEP8 DVSS18 VEP9 LCD_CS 24M_OUT 24M_IN SENSOR_VDD_ON L_WR OSC500 CX-101F_24M 24M_IN C504 GND1 R500 12PF GND2 24M_OUT C505 12PF 7- 22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 47: Gsm Receiver

    R esolder U 102 R 126, R 128, R 129, R 130 >= 1V Y es C heck U 205 E N D 7- 23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 48: Gsm Transmitter

    >= 1V O K ? R F PSU Part Y es Y es R esolder U 102 C heck U 205 E N D 7- 24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 49: Dcs Receiver

    R esolder U 102 R 126, R 128, R 129, R 130 >= 1V Y es C heck U 205 E N D 7- 25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 50: Dcs Transmitter

    >= 1V O K ? R F PSU Part Y es Y es R esolder U 102 C heck U 205 E N D 7- 26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 F low Chart of Troubleshooting 7- 27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

Table of Contents