Pioneer PDP-4280HD

PDP-4280HD
36
1
2
3
4
1234
C
D
F
A
B
E
4.12 POWER SUPPLY BLOCK of MAIN ASSY
VV+35V V+12V V+6_5V V+5_1V
V+30V_ANT_A
FAN_VCC1
V+5V_ANT_A
V+5V_ANT_A_SAW
V+5V_ANT_A_QPSK
V+30V_ANT_B
V+5V_ANT_B
V+5V_ANT_B_MPX
V+8V_A
V+5V_A_AV
V+8V_A_AV
V+5V_A_7038
V+8V_A_DSP V+5V_A2_RGB
V+5V_A2_HDMI_ROM
V+5V_HNM
V+5_1V_STB V+3_3V_STB
V+5V_USB
V+5_1V_STB V+3_3V_STB
POD_VPP (5.0V/3.3V)
V+3_3V_UCOM
POD_VCC (3.3V)
V+3_3V_UCOM_ROM
V+5V_D
V+2_5V_UCOM
V+3_3V_A_ADC
V+2_5V_UCOM_DDR
V+1_5V_UCOM
V+3_3V_A_VDEC
V+1_2V_D_7038
V+1_2V_D_3517
LC Filter
(V+5V_D)
for SW, Audio, Ant_A,
Ant_B, DSP
IC4305
5V-REG
(V+5V_ANT_A)
NJM2846DL3-05
for Ant_A, QPSK, Ant_B, MPX
STBY SW REG
SW REG CONTROLED BY RELAY
for Tuner for Main BoardFAN
for EMMA
for IF U COM
for AV_SW, RGB_SW, HDMIROM,
7038EEPROM, 7038IIC A/D
for USB, DLNA
IC6402
Switch IC
(V+5V_USB)
R5523H001B
Filter
(V+3_3V_UCOM)
for EMMA
for EMMA
IC4301
8V-LEG (Variable REG)
(V+8V_AIR/AU/A/A2
/DSP)
PQ200WNA1ZPH
3ch BD8602FV
for POD VPP
for POD_VCC
Discrete
30V-REG
(V+30V_ANT_A)
Discrete
30V-REG
(V+30V_ANT_B)
IC4404
DD com.
(V+1_2V_D)
LTC3416
for 7038, 3517
IC4501
DD com.
DD com.
(V+2_5V_UCOM)
LTC3407-2
IC4501
(V+1_5V_UCOM)
LTC3407-1
2ch
DD com.
LTC3407
IC4310
Variable REG
(FAN_VCC1)
PQ200WNA1ZPH
IC4307
5V-REG
(V+5V_A)
NJM2846DL3-05
IC4309
DD com.
(V+5V_USB/DLNA)
R1224N102H/
RTQ040P02
IC4308
Variable REG
(POD_VPP)
PQ200WNA1ZPH
IC4306
DD com.
(POD_VCC)
R1224N102H/
RTQ040P02
IC4401
3.3V-REG
(V+3_3V_A)
NJM2846DL3-33
Q4416
FET Switch
(V+3_3V_A_VDEC)
RTQ040P02
for Tuner
Q4421
FET Switch
(V+3_3V_UCOM)
RTQ040P02