三星B5702原厂维修图纸.pdf-资料库

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10. Flow Chart of Troubleshooting 10-1.Baseband 10-1-1. Power ON 'Power On' does not work Check the current consumption Yes Current consumption >= 100mA Yes Check the Vbat Voltage Voltage >=3.4V Yes Check the pin of U300 C329(VISA)= 2.5V? Yes L1(VDD_GSM_CORE) =1.2V? No No No No Download again Charge the Battery Check U300 C329 Check U300 C343 Yes Yes Check the clock signal at OSC of MAX8699 Check the clock Freq = 32.768kHz No Check the clock generation circuit (related to OSC300, C331, C334) Yes Check the initial operation END 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization www.cpu999.com

Flow Chart of Troubleshooting +VDD_MAINKEY_3.3V +AVDD_HFA_2.6V +VDD_SUBKEY_LED_3.3V +VDD_SLEEP_2.9V +VDD_IO_HIGH_2.9V +VDD_USB_3.3V C300 C353 C310 C312 C314 C316 MES_BATT R303 C356 R304 VBAT C319 S U B V + 1 1 E 9 E 8 D 1 C 2 B 2 D 1 1 C 1 1 A 9 A 3 A 1 E 5 C 5 A 7 A 6 B 2 1 D V_EXT_CHARGE HFR_P HFR_N EAR1_M EAR2_M SPK_N SPK_P C331 OSC300 C334 C322 C324 C323 C325 C326 REF_ON_PMU PWREN2 C340 C341 C342 5 3 3 C 4 5 3 C 7 3 3 C 8 3 3 C T T A B B T T A B S T T A B D D V 1 D D D V 2 D D D V 3 D D D V 4 D D D V 5 D D D V 6 D D D V C H D D V O I D D V C L D D V P L D D V 1 F R 2 D D V F R S U B V REC1B REC2B M2 IN1 C3 IN2 B4 IN3 B10 IN4 B8 IN5 K6 IN6 K12 IN7 L5 IN8 M10 IN9 J5 H6 INA1 INA2 J7 H8 INB1 INB2 K8 C1N L9 C1P H12 OUTN L11 OUTP F12 CHGIN F10 CHGINB H2 XIN J1 XOUT C9 PWREN1 E5 PWREN2 G9 TEST1 J9 TEST2 U300 1 D N G P D N G 2 D N G P 3 D N G P D N G A S S V C N C N 6 M 1 1 G 2 K 8 M 1 1 J 7 L 1 2 C333 C301 C303 C311 C313 C315 C317 +VDD_SD_3.3V +VDD_IO_LOW_1.8V +VDD_PLL_1.2V +AVDD_2.6V +VCC_SYN_2.8V +VDD_RX_TX_2.8V AUX_ON JACK_IN R307 MIC_BIAS_2.15V G3 G7 M4 L3 F2 H10 K10 F4 C7 B12 D10 K4 G1 E3 H4 D4 E7 D6 L1 J3 F8 F6 G5 C321 HFR_N HFR_P C355 +VBUS_DETECT C328 C327 C329 TP_PMU_INT_M C332 32KHz_DIGIT PMU_INT_M SCL SDA ONKEY_N RSTON R310 R311 R312 SIMOFFn +SIMVCC_M EARSPK_L EARSPK_R BAT300 C330 L301 C339 R314 R315 +VDD_GSM_CORE_1.2V C343 HPL HPR MICBIAS RXINN RXINP SIMOFFB SIMVCC USBLDO VL VBIAS VISA VSAVE CLK32K IRQB SCL SDA LX FB REFBP ONKEYB RESETB PMU + DCDC + CHARGER R223 C 3 2 9 R307 C321 C 3 0 3 C 3 1 6 C 3 1 4 C 3 0 1 C 3 1 2 OSC300 C334 C331 U 3 0 0 C338 C313 C311 C315 C317 C300 C355 C 3 5 3 C332 C327 C 3 3 7 R303 C319 C354 C 3 3 9 R 3 1 5 R 3 1 4 L301 C343 C 3 2 5 C 3 2 4 C333 C322 C323 C326 C335 C 2 1 8 C 2 1 1 C 3 4 1 C 3 4 0 C342 C 2 1 2 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization www.cpu999.com

Flow Chart of Troubleshooting 10-1-2. Initial Initial Failure Yes Is the RST Pin#G5(RSTON) of U300 "Low → High" ? No Check the U300 (if it has some problems, replace it.) Yes The Pin #E11,E9,D8(VBAT) of U300 >= 3.4V Yes There is 32.768kHz wave- forms at the C331 and C334 of OSC300 Yes The voltage is "High" at the C314, C303 Yes LCD display is O.K Yes Sound is O.K Yes END No No No No No Check the U300 (if it has some problems, replace it.) Check the U300 Check the U300 Check the LCD part Check the AUDIO part 10-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization www.cpu999.com

Flow Chart of Troubleshooting +VDD_MAINKEY_3.3V +AVDD_HFA_2.6V +VDD_SUBKEY_LED_3.3V +VDD_SLEEP_2.9V +VDD_IO_HIGH_2.9V +VDD_USB_3.3V C300 C353 C310 C312 C314 C316 MES_BATT R303 C356 R304 VBAT C319 S U B V + 1 1 E 9 E 8 D 1 C 2 B 2 D 1 1 C 1 1 A 9 A 3 A 1 E 5 C 5 A 7 A 6 B 2 1 D V_EXT_CHARGE HFR_P HFR_N EAR1_M EAR2_M SPK_N SPK_P C331 OSC300 C334 C322 C324 C323 C325 C326 REF_ON_PMU PWREN2 C340 C341 C342 5 3 3 C 4 5 3 C 7 3 3 C 8 3 3 C T T A B B T T A B S T T A B D D V 1 D D D V 2 D D D V 3 D D D V 4 D D D V 5 D D D V 6 D D D V C H D D V O I D D V C L D D V P L D D V 1 F R 2 D D V F R S U B V REC1B REC2B M2 IN1 C3 IN2 B4 IN3 B10 IN4 B8 IN5 K6 IN6 K12 IN7 L5 IN8 M10 IN9 J5 H6 INA1 INA2 HPL HPR MICBIAS RXINN RXINP SIMOFFB SIMVCC USBLDO VL VBIAS VISA VSAVE CLK32K IRQB SCL SDA LX FB REFBP ONKEYB RESETB J7 H8 INB1 INB2 K8 C1N L9 C1P H12 OUTN L11 OUTP F12 CHGIN F10 CHGINB H2 XIN J1 XOUT C9 PWREN1 E5 PWREN2 G9 J9 TEST1 TEST2 U300 1 D N G P D N G 2 D N G P 3 D N G P D N G A S S V C N C N 6 M 1 1 G 2 K 8 M 1 1 J 7 L 1 2 C333 C301 C303 C311 C313 C315 C317 +VDD_SD_3.3V +VDD_IO_LOW_1.8V +VDD_PLL_1.2V +AVDD_2.6V +VCC_SYN_2.8V +VDD_RX_TX_2.8V AUX_ON JACK_IN R307 MIC_BIAS_2.15V G3 G7 M4 L3 F2 H10 K10 F4 C7 B12 D10 K4 G1 E3 H4 D4 E7 D6 L1 J3 F8 F6 G5 C321 HFR_N HFR_P C355 +VBUS_DETECT C328 C327 C329 TP_PMU_INT_M C332 32KHz_DIGIT PMU_INT_M SCL SDA ONKEY_N RSTON R310 R311 R312 SIMOFFn +SIMVCC_M EARSPK_L EARSPK_R BAT300 C330 L301 C339 R314 R315 +VDD_GSM_CORE_1.2V C343 PMU + DCDC + CHARGER R223 C 3 2 9 R307 C321 C 3 0 3 C 3 1 6 C 3 1 4 C 3 0 1 C 3 1 2 OSC300 C334 C331 C354 C 3 3 9 R 3 1 5 R 3 1 4 L301 C343 C 3 2 5 C 3 2 4 C333 C322 C323 C326 C335 U 3 0 0 C338 C313 C311 C315 C317 C300 C355 C 3 5 3 C332 C327 C 3 3 7 R303 C319 C 2 1 8 C 2 1 1 C 3 4 1 C 3 4 0 C342 C 2 1 2 10-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization www.cpu999.com

Flow Chart of Troubleshooting No No No Resolder or change UCP200 Check the clock Replace PBA 10-1-3. Sim Part (1) MASTER "Insert SIM is displayed on the LCD Yes SIM200 #1 = H ? Yes After Power On, Check SIMCLK Signal On #3 of SIM200 in a few second Yes After SIM Card insert, SIM200 #2 = "H" Yes Check the SIM Card END +VDD_USB_3.3V R200 C200 +SIMVCC_S +SIM_VCC_1 +SIMVCC_M SIMRST_S SIM_RST_1 SIMRST_M U200 C216 C 2 1 5 SIM200 SIMIO_M SIM_IO_1 SIMIO_S SIM_SEL SIMCLK_M SIM_CLK_1 SIMCLK_S 14 13 D C N C C V 16 15 A O N A M O C NCA A-B_IN NOB COMB 1 2 3 4 12 COMD NOD11 10 NCC 9 C-D_IN C M O C 8 D N G B C N 5 C O N 7 6 SIM SELECT [MASTER] C214 10-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization www.cpu999.com

Flow Chart of Troubleshooting (2) SLAVE "Insert SIM is displayed on the LCD Yes SIM800 #1 = H ? Yes After Power On, Check SIMCLK Signal On #3 of SIM800 in a few second Yes After SIM Card insert, SIM800 #2 = "H" Yes Check the SIM Card No No No Resolder or change UCP200 Check the clock Replace PBA END +VDD_USB_3.3V R205 C217 +SIMVCC_M +SIM_VCC_2 +SIMVCC_S SIMRST_M SIM_RST_2 SIMRST_S SIM800 SIMIO_S SIM_IO_2 SIMIO_M SIM_SEL SIMCLK_S SIM_CLK_2 SIMCLK_M 1 2 3 4 C C V 14 16 15 A O N A M O C NCA 13 D C N A-B_IN NOB COMB B C N 5 C O N 7 6 D N G C M O C 8 12 COMD NOD11 10 NCC 9 C-D_IN U201 SIM SELECT [SLAVE] 10-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization Z D 5 0 5 1 0 4 U 0 0 4 U C 4 2 0 R 4 1 5 R 4 1 3 C 4 1 9 www.cpu999.com

10-1-4. Microphone Part Flow Chart of Troubleshooting Microphone does not work Yes Is the Microphone assembled correctly? Yes Check the reference voltage on mic path Check the connection MIC Yes No No No Reassemble the microphone Resolder or replace MIC400 MIC_BIAS = 2.15V? Check U300 Yes Check mic-path connection Resolder C400,C405,C411 Yes END 10-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization www.cpu999.com

Flow Chart of Troubleshooting ZD400 L400 MIC400 L402 ZD401 C400 C405 C411 MIC_IN_P MIC_IN_N MIC_SEL_P_M MIC_SEL_N_M MICROPHONE MIC_BIAS_2.15V R415 MIC_BIAS_2.15V TA401 R400 C403 C408 R424 R423 MIC_BIAS_2.15V R413 C402 R402 C407 C413 MIC_P_M MIC_N_M MIC_SEL_N EARMIC_N EARMIC_P MIC_SEL_P MIC_SEL MIC_IN_N 1 VCC 2 1S1 0 1 1 S 2 9 8 2 D 2 L E S U401 2S2 7 6 GND 1 L E S 2 S 1 1 D 3 4 5 MIC_SEL_N MIC_SEL_N_M MIC_SEL_P_M 1 VCC 2 1S1 0 1 1 S 2 9 8 2 D 2 L E S U400 2S2 7 6 GND 1 L E S 2 S 1 1 D 3 4 5 C420 MIC_IN_P MIC_SEL_P C419 MIC_PATH_SEL MIC_SEL_N_S MIC_SEL_P_S C400 C405 C411 L400 L402 ZD400ZD401 MIC400 TA401 TP_PMU_INT_M R423 R424 R 4 0 0 C 4 0 2 C403 C408 R 4 0 2 C 4 0 7 UCP200 C413 C209 C213 R212 R211 R 7 0 7 R 7 0 6 R 7 0 1 C 7 1 0 C 7 1 5 C 4 1 4 R 4 0 3 C 4 0 9 UCP700 C 4 0 4 C 7 0 0 R406 R404 C412 C406 R401 TA400 R702 Master MIC path Slave MIC path 10-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization www.cpu999.com

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三星B5702原厂维修图纸.pdf

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