Prestigio PMP7170B3GCE Service Manual And Technical Manual Download Page 22 | Manualshive

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Prestigio PMP7170B3GCE Service Manual And Technical Manual Download Page 22

Troubleshooting 7 : audio problem

1. If SPK without sound ,check U0301,L0310,L0311,SPK Cable.
2. If stereo Handset without sound ,check EINT8_EARPHONE VCC is

1.8V(R0814),if not check
BEAD0801,BAND0803,R0805,R0806,R0807,R0808, 0801.

3. If Handset Microphone without sound ,check

R0801,R0802,R0803,R0804,C0805,C0806

4. If Earphone Microphone without sound ,check BEAD0804,

R0810,R0811,U331

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Summary of Contents for PMP7170B3GCE

Page 1: ...PMP7170B3GCE Prestigio Multipad TECHNICL SERVICE MANUAL...

Page 2: ...tery Features 0 3M pixels Secondary Back 2M pixels Primary Camera Camera MicroSD card up to 32GB Card slot 1GB RAM 4GB ROM memory Internal Memory 7inch TFT 800 480 Capacitive touch screen 5 points tou...

Page 3: ...Power systerm...

Page 4: ...402 17 210825900008 RC0402FR 0782R5L 82R5 1 0402 YAGEO 1 R1510 MG7J 282101801006 ICVE10184E070R100FR ICVE10184E070R100FR RoHS INNOCHIPS 210100900018 ICVE10184E070R100FR ICVE10184E070R100FR 10R 1 5 060...

Page 5: ...RATA 1 R0503 MG7J 210100302008 RC0402FR 07100KL 100K 1 0402 YAGEO 210100301003 RTT021003FTH 100K 1 0402 40 210180303008 RC0402FR 07180KL 180K 1 0402 YAGEO 1 R0414 MG7J 41 210200302008 RC0402FR 07200KL...

Page 6: ...1000012 GRM155R71H102KA01D 1nF 10 50V 0402 MURATA 220221000004 CL05B222KB5NNNC CL05B222KB5NNNC 2 2nF 0402 10 50V RoHS SAMSUNG 220221000012 GRM155R71H222KA01D 2 2nF 50V 10 0402 MURATA 220102002004 CL05...

Page 7: ...H 0402 MURATA 230270800012 HK10052N7S T 2 7nH 0 3nH 0402 84 230300800011 LQG15HS3N0S02D 3 0nH 0 3nH 0402 MURATA 1 C0543 MG7J 230390800011 LQG15HS3N9S02D 3 9nH 0 3nH 0402 MURATA 230390800012 HK10053N9S...

Page 8: ...0 0806 1400MA RoHS MURATA 1 BEAD1201 MG7J 105 234600000011 BLM15AG601SN1D 600R 25 0402 MURATA 5 L1532 L1533 L1535 L1536 L1538 MG7J 106 234250100011 BLM18BD252SN1D 2500R 25 0603 MURATA 7 BEAD0801 BEAD0...

Page 9: ...25600037 IC BGA925L6 BGA925L6 TSLP 6 2 6PIN INFINEON 1 U0905 MG7J 276185100015 IC NCP1851 NCP1851 BGA 25PIN 2 55 2 20mm 1 5A RoHS ON 272185200053 IC NCP1852FCCT1G NCP1852FCCT1G 2 2 2 55mm 25PIN FLIP C...

Page 10: ...31382300000 RF 01 2050 6488 01 2050 6488 38 75 23 70 1 8mm RoHS 1 P2 MG7J 154 131201600300 01 2050 6489 01 2050 6489 20 07 16 17 1 8mm RoHS 1 P4 MG7J 155 131161300100 01 2250 6485 01 2250 6485 16 27 1...

Page 11: ...M4G1FE3B B001003 KLM4G1FE3B B001003 4GB 11 5 13 1 0mm 153FBGA RoHS 274400405015 EMMC IC KLM4G1YE4C B001 KLM4G1YE4C B001 4GB 11 5 13 1 0mm 153FBGA RoHS 274400406015 EMMC IC KLM4G1YE4C B002 KLM4G1YE4C B...

Page 12: ......

Page 13: ......

Page 14: ...6 U0404xH7 U0404xH8 U0404xH9 U0404x H 10 U0404x H 11 U0404x H 12 U0404x H 13 U0404x H 14 U0404xJ1 U0404xJ2 U0404xJ3 U0404xJ4 U0404xJ5 U0404xJ6 U0404xJ7 U0404xJ8 U0404xJ9 U0404x J 1 0 U0404x J 1 1 U040...

Page 15: ...2 R0102 R0102x1 R0102x2 R0103 R 0103x1 R0103x2 R0104 R 0104x1 R0104x2 R0401 R 0401x1 R0401x2 R0405 R0405x1 R0405x2 R0408 R 0408x1 R0408x2 R0409 R 0409x1 R0409x2 R0416 R0416x1 R0416x2 R0418 R 0418x1 R0...

Page 16: ...e VCC is normal 1 0V 1 3V C0306 C0329 If not check U0301 3 Check if DDR3 VCC is normal 1 5V C0426 if not check U0401 4 Check if VDDIO is normal 1 8V C0330 If not check U0301 5 Check If VMC_6575 is nor...

Page 17: ...eck U0301 KEY FPC 3 Check if Backlight VCC is normal C1512 9V if not check U1521 4 Check if TCXO working normally U0502 26MHz The TCXO measures C0517 as 26MHZ 5 Check if RESET is high level 3 0V C0104...

Page 18: ...1 Check if VBUS is higher than 4 4V C1401 if not check CON1205 U1401 2 Check if the battery is normal 3 7 4 2V if not check U1401 U1402 L1401 change Battery Troubleshooting 3 Cannot Charge the device...

Page 19: ...57 if not check U1522 L1537 4 Check if VGH VCC is 20V C1518 if not check D1507 C1580 5 Check if VGL VCC is 6 8V C1592 if not check D1511 C1590 6 if all VCC is 3V C1576 If not check U1520 7 Check if CO...

Page 20: ...CAM_AFPMU VCC is 1 5V C1108 if not check U0301 R1105 2 Check if VCAM_IOPMU VCC is 1 8V C1110 if not check U0301 R1108 3 Check if VCAMA_PMU VCC is 2 8V C1112 if not check U0301 R1107 4 if all VCC is no...

Page 21: ...touch screen problems 1 check if Capacitive touch screen FPC J1502 connect fix well 2 Check if VGP2 VCC is 3 3V VR1506 if not check U00301 3 Check if SCL0 VCC is 1 8V 4 Check if Sda0 VCC is 1 8V 5 Ch...

Page 22: ...le 2 If stereo Handset without sound check EINT8_EARPHONE VCC is 1 8V R0814 if not check BEAD0801 BAND0803 R0805 R0806 R0807 R0808 0801 3 If Handset Microphone without sound check R0801 R0802 R0803 R0...

Page 23: ...T FLASH SIM problem 1 If Gsensor without funtion check U1304 2 If T Flash Card without funtion check T Flash card if damaged 3 If SIM Card without funtion check U1201 5PIN if 1 8V c1202 If not check...

Page 24: ...ect con0601 if damaged 2 If WCDMA 850MHZ without funtion check U0505 U1601 U0606 C0525 C0526 C0527 C0624 C0605 C0607 3 If WCDMA 2100MHZ without funtion check U0506 U1601 U0607 C0529 C0531 C0532 R0619...

Page 25: ...heck U0904 c check if wifi antenna is connect well 2 If GPS without funtion a check U0901 if working well b check if GPS antenna is connect well c check U0905 C0907 C0921 U0903 R1052 C1036 3 If FM TX...

Page 26: ...Troubleshooting 12 OTG part problem 1 Check if Vbus is 5V C1208 If not check U1201 Q1201 R1217 2 Check if usb connector is damagede CON1205...

Page 27: ...check U0301 camera U1001 2 Check if VCAM_IOPMU VCC is 1 8V C1011 if not check U0301 camera U1001 3 Check if VCAMA_PMU VCC is 2 8V C1014 if not check U0301 camera U1001 4 If All VCC is normal check R10...

Page 28: ...NREB B29 NLD14 D29 NLD4 C30 NLD10 E29 NLD11 F29 NLD3 G29 NLD5 D28 NLD2 D30 NLD9 G30 NLD12 G27 NLD6 B7 DQM3 E9 EDQS3 E10 EDQS3 A11 DQM2 E13 EDQS2 E12 EDQS2 B14 EA9 D15 EA2 C16 EA3 D16 EA11 A16 EA6 E16...

Page 29: ...7R C0263 2 2uF 6 3V X5R R0217 51K 1 2 C0243 0 1uF 16V X7R R0213 0 L0603HMM8 C0208 1uF 6 3V X5R R0219 100K_1 RES0402 R0230 100K_1 RES0402 R0216 51K 1 2 C0233 0 1uF 16V X7R R0212 0 L0603HMM8 1 2 R0206 0...

Page 30: ...4 PMU_TESTMODE M3 PWRBB B4 SYSRSTB A4 FSOURCE D3 SCK D2 SDA B3 INT C1 DVS1 C4 DVS2 B2 PA_SEL0 C3 PA_SEL1 B1 PA_SEL2 A3 BL_PWM E6 HOMEKEY E13 VBAT_VCORE E14 VBAT_VCORE A14 VBAT_VPROC B13 VBAT_VPROC B14...

Page 31: ...8 VDDQ_1 C3 DQ9 C1 VDDQ_2 C9 VDDQ_3 D7 DQ8 D2 VDDQ_4 A7 DQ12 D8 VSSQ_3 C2 DQ11 C8 DQ10 E2 VSSQ_4 A2 DQ13 D9 VDD_1 J9 NC_1 B3 VSS_1 E8 VSSQ_5 G3 LDQS E9 VDDQ_5 G2 DQ6 F9 VSSQ_6 E7 LDM F3 LDQS G1 VSSQ_7...

Page 32: ...LNA3P 63 GND H1 VDD_28B U0501 MT6162 AQFN62 MT6162 C0502 1uF 6 3V X5R C0541 3 3PF NC C0539 4 7pF 8 2pF C0507 1uF 6 3V X5R 1 2 C0504 NC C0534 3 9nH L0506 47nH R0504 510_1 C0508 10pF 50V NPO C0530 NC 8...

Page 33: ...F C0631 NC C0648 NC C0622 0 1uF C0641 0 1uF C0621 0 1uF 8 CPL_IN 10 VCC2 5 VEN 9 RF_OUT 4 VMODE_0 7 GND 1 VCC1 3 VMODE_1 6 CPL_OUT 2 RF_IN 11 GND U0607 ACPM5401 8 CPL_IN 10 VCC2 5 VEN 9 RF_OUT 4 VMODE...

Page 34: ...0V NPO C0820 33pF 50V NPO 1 2 BEAD0801 BLM18BD252SN1 1 2 BEAD0804 BLM18BD252SN1 C0805 1uF 6 3V X5R C0815 100pF 50V NPO C0806 1uF 6 3V X5R VR0803 AVLC18S02015 R0804 1K R0819 1K_1 VR0802 AVLC18S02015 R0...

Page 35: ...7R TP0901 TP0905 TP0909 1 2 R0906 0 R0914 200K TP0907 1 2 C0902 NC 1 2 R0920 0 1 2 C0901 NC TP0910 1 2 R0910 0 C0926 1uF 16V X7R 1 2 R0916 0 R0915 200K 1 2 R0904 0 R0902 0 C0911 4 7uF 6 3V X5R C0929 2...

Page 36: ...2nH LQG15HS Murata TP1001 TP50MIL R1001 0 C1011 1uF 6 3V X5R R1003 0 L1004 68nH LQG15HS Murata C1013 1uF 6 3V X5R 1 2 C1031 0 1uF 16V X7R L1001 NC R1002 220 RES0402 1 ANT1001 TP50MILA 101266 1 1 NC 2...

Page 37: ...1 TP20 1 TP21 1 TP22 1 TP23 1 TP24 SDA1 1 SCL1 1 GPIO_SUB_CMPDN 1 CMPCLK 1 CMDAT5 1 CMDAT7 1 CMDAT1 1 CMDAT9 1 CMDAT6 1 CMMCLK 1 CMDAT8 1 CMPDN 1 CMDAT3 1 CMDAT2 1 CMDAT4 1 CMHREF 1 CMRST 1 CMVREF 1 C...

Page 38: ...C18S02015 R1219 0 R1218 0 D1201 UDZV 5 6B VR1209 AVLC18S02015 5 GND 4 ID 3 D 2 D 1 VBUS 6 GND3 7 GND2 8 GND0 9 GND1 CON1205 MICRO PIN5 028B LK USB 009 VR1208 AVLC18S02015 R1215 0 L0603HMM8 R1216 0 C12...

Page 39: ...S02015 VR1305 AVLC18S02015 VR1304 AVLC18S02015 VR1303 AVLC18S02015 VR1302 AVLC18S02015 C1305 100nF C1311 2 2uF C1306 100nF 6 INT2 8 GNDIO 4 NC 5 INT1 7 VDD 1 SDO 2 SDX 9 GND 10 CSB 11 PS 12 SCX 3 VDDI...

Page 40: ...G 8 D5 U1402 UDFN6 SMD P0 65 NTLUS3A40PZ NTLUS3A40PZ R1408 100K R1404 NC R1402 0 NC C1406 4 7uF 6 3V X5R 2 3 1 U1403 2 1L1B SMD SSM3K35MFV SSM3K35MFV C1401 4 7uF 6 3V X5R NC1404 NC PAD NC1405 NC PAD...

Page 41: ...E10184E070R100FR 1 2 R1501 0R 5 G 1 I1 2 I2 3 I3 4 I4 9 O1 8 O2 7 O3 6 O4 10 G EMI1504 EMI SMD ICVE10184E070R100FR 5 G 1 I1 2 I2 3 I3 4 I4 9 O1 8 O2 7 O3 6 O4 10 G EMI1503 EMI SMD ICVE10184E070R100FR...

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