TCL L32F1680B液晶电视电源板电路图

1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 D D C C B B A A Model Name: CHK'D: DATE: VERSION: DATE: DRAWN: V1.5 SGND GND Vbridge L L-1 N-1 ! ! ! ! ! ! ! RD1 CXB1 D103 D104 D101 D102 3D11M VCC SGND SGND SGND SGND SGND GND VBL GND 12V GND 12V 12V Vbridge L L GND SGND BRO SGND BRO ! ! ! ! 3 4 PC1B 1 2 PC1A K A R U402 C403 C402 A K D406 CB409 R415 R414 R416 C407 C601 R601 R602 R603 R604 R425 R427 R428 R431 R430 CB109 CB110 R432 R401 Q402 + CE1 + C411 + C412 FB401 F1 R438 R418 GND GND OVP LED+ GATE VBL PWM-DIM PWM-REF PWM-REF PWM-DIM L602 DB801 D G S Q601 L601 A K DB802 A K DB803 A K DB804 A K DB805 VBL LED1 LED2 LED3 LED4 RB823 CN1 C406 2 1 CNB1 1 4 2 3 RN1 1 4 2 3 LF1 + C616 BB801 R619 R621 RB824 RB825 MOVB1 11 D602 R620 R637 A K D403 SGND + CYB1 CYB2 CY3 DS2 DS1 GND 1 COMP 2 OTP 3 CS 4 VCC 5 OUT 6 U401 LD7537 HS R613 R616 C619 GND LED2 LED1 LED4 LED3 PWM-DIM C618 GND R609 C625 R608 GATE 12V GND OVP CB804 C604 C620 R618 R614 D603 PWM-REF C600 C607 GND C605 CS R617 R640 COMP 1 EN 2 PWM 3 GND 4 GATE 14 OVP 12 OSC 5 ISENSE 13 VIN 15 VCC 16 LED3 9 LED2 10 LED1 11 ISET 6 ADIM 7 LED4 8 EPAD 17 UB801 R627 R628 R629 R622 CS LED+ LED1 LED2 LED3 LED4 1 2 3 4 5 6 7 8 9 10 P1 10PIN-2.0 LED+ RD3 RD2 RD4 NC R406 R407 R410 ! 11 10 L401 6 4 1 2 10 9 11 7 TS401 R605 3 1 N L CNB3 ! + C602 + C603 R437 220 p FB601 ! ! ! ! ! ! LF2 100uf/450v RL255 RL255 RL255 RL255 QW1 SVF7N65CF FR207 100K R402 R403 10 10 4.7nf 240K C404 MS180PL MPLE180N60- 1A R405 2. 4M 2. 4M 2. 4M 10K 47 10 A4 22 C408 10uf /50v 470 RT7736BGE ( 丝印00=xxx) A4 A4 D404 D405 R439 R440 R441 R442 R470 R470 R560 R560 R750 R750 Z403 A4 D401 R435 R436 R404 2M 2M 2M R417 6. 8K SGND RS1M HBR10150S 10 10 C410 C421 470uf /25v 470uf /25v MUR460 470pf /1kv 33 33 33 33 100uf/63v 100uf/63v AZ431 1K 36K R433 120K 10K 10K OB3363VP SB3150 AP9997GH R390 R390 R390 10K A4 27 47 R623 R624 C613 C623 R625 R626 C614 C622 470 47uf/100v R638 120K 390K 10K GND R639 1K NC NC NC 47K 470K 120K NC NC 100 20K ( 丝印0F1 37R)