主板-維修原理圖t8ob-3521mhk

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項目名稱:文件編號:圖紙名稱:版本號:

<Titl審數(shù)

審數(shù) 項目名稱審數(shù) 版本號:

1

項目名稱:文件編號:圖紙名稱:版本號:

<Titl審數(shù)

defaultconfigurationphy0addressisEnable:autonegotiation,fullduplex,100Mbps,linedownpowersaving,miiDisable:isolate,repeater +3.3

TX_MGND[1]SH[1]RX_M

100n50V+80-

88211211234567

344

2 IIC0_SDA

SCLSerialSDATime

1234567S1_TxPC32010n50V10%1234567

S2_TxPC55510n50V10%S2_TxNC329R267NC_680K5%1/120W 3

S1_RxNC550S1_RxPC14

S2_RxNC330S2_RxP

CIICADDRESS11

2233

12BUZZER-

R273

B

R270

R2743SIP3-

Tuesday,October14,2

1

I1I1I4I2

B1B3B4BD+

4SRV05-

100n50V+80-

9 11 14 16

R5 R7

CNET_LED_LINK

綠BB 75R1%1/8W

R221R222R223R264

100n50V+0- 100n50V+80-

100n50V+80- HEADER9X2-

R259100R5%1/10WR260100R5%1/10WR261100R5%1/10WR262100R5%1/10WR263100R5%1/10WR2581K5%1/10W

SD

R234R219R218R217R231R2324.7K5%1/10W4.7K5%1/10W4.7K5%1/10WR220100R5%1/10WR253100R5%1/10WR227100R5%1/10WR228100R5%1/10WR229100R5%1/10WR230100R5%1/10WR3311K5%1/10WR2331K5%1/10W

ToFRONT12

1234

CN13 22233445566987987

SIP4-

1112

SIP2-2_5A_NCSIP2-SIP10-2_5A

Tuesday,October21,

S-6-65432

6o 5 L10

u10V+80-

8484

U31BC3210u10V+80-20%16

R297100K5%1/10WREF+ VCC_SYNCSYNC_OUT2

SYNC_IN2 SYNC_OUT1

U31A

C59

SYNC_IN1 DDC_OUT2 DDC_IN2 DDC_IN1

100K5%1/10W2.2u10V+80-100nF

100n50V+80-

L34 8 7

1234

100n50V+80-

6

SIP4-1_25S_NC

AUDIO_OUT_MAIN

U26IN1IN1IN2IN3OUT33 36

L121NC-5

L119NC-

L120NC-

Monday,October20,