No Power Ddcon/Ldo - Sony KD-55A9F Service Manual

2018/09/19 04:47:37 (GMT+09:00)

1.3 No Power DDCON/LDO

Check item summary
Board IC Ref
BM3 IC400
BM3 IC402
BM3 IC403
BM3 IC405
BM3 IC601
BM3 IC602
BM3 IC603
BM3 IC604
BM3 IC606
BM3 IC607
BM3 IC608
BM3 IC609
BM3 IC610
Voltage supply Output ref.
1.2V_HDMI C434
5V_MAIN/5V_AUDIO C430
3.3V_MAIN/3.3V_AUDIO C419
1.8V_TU C463
1.2V_M3_DDR C609
1.05V_M3_STBY C611
1.05V_M3_ST_ET C613
1.05V_M3_A C616
2.5V_M3_DDR C619
1.8V_EMMC C622
1.0V_M3_CORE C634
1.0V_M3_CPU C648
1.0V_M3_GPU C662
Enable pin Enable source
R417 P-on u-com IC800 #pin13
R455 P-on u-com IC800 #pin13
R409 P-on u-com IC800 #pin13
IC405 #PIN5 P-on u-com IC800 #pin13
C607 R605 (3.3V_STBY)
C610 C610 (3.3V _STBY)
R614 M3 IC1000 #AJ11
IC604 #PIN5 P-on u-com IC800 #pin13
C618 C618 (3.3V_STBY)
C677 R616 (DDR_EMMC_EN )
R634 P-on u-com IC800 #pin12
R644 P-on u-com IC800 #pin12
R654 P-on u-com IC800 #pin12
BM3/ DPJ Board OLED Model
Fuse Vcc ref.
- C433
F400 C423
F401 C418
F403 C461
- C603
- C610
- C612
F603 C615
- C618
- C620
F600 C623
F601 C639
F602 C653
pin12 : P_ON_#1
pin13 : P_ON_#2
(Supplementary
information)
22
SYS SET