Schematic Page 4 ; Power Circuit (Voltage Regulator) / Level Shifter - Hitachi 32PD3000E Service Manual

Schematic Page 4 ; Power Circuit (Voltage Regulator) / Level Shifter

Power supply connector PSP from Power Supply board
1 POWER1
2 N.C.
3 N.C.
4 N.C.
5 +5VSTB
6 GND
7 N.C.
8 N.C.
9 GND
10 GND
11 +5.5V1
12 GND
13 +9.5V1
14 GND
15 +5.5V2
16 GND
17 +9.5V2
18 GND
19 FE+30V
Voltage regulators
I603 BA06T
IC602 SI-3050LSA
IC603 SI-3050LSA
IC601 SI-3033LSA
TK11125M
Q602
IC604 BA09FP
Level shift for control buses
Q607 BSS138
Q603 2SC2412K
Q604 2SC2412K
Q605 2SC2412K
Q614 BSS138
Power ON/Stand-by control
Stand-by 5V for micro controller circuit
5.5V supply 1
9.5V supply 1
5.5V supply 2
9.5V supply2
30V supply for tuner
Input +9.5V2 - Output +8V
For video chroma circuit (page1)
Input +5.5V1 - Output +5VFE
For tuner (page1)
Input +5.5V2 - Output +5V
For audio processor circuit (page2), comb filter (page6)
Input +5VSTB - Output 3.3VSTB
For micro controller circuit
Input +5VSTB - Output 2.5VSTB
For micro controller circuit
Input +9.5V1 - Output +9V
For interface circuit (page 3)
3WB-DATA to change from 3V3 to 5V
3WB-CLOCK to invert with 5V range
FC-ENABLE to invert with 5V range
MSC-ENABLE to invert with 5V range
1900TX to change from 3V3 to 5V
32PD3000 / 42PD3000
H;ON, L;Stand-by
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