Main (Sub-Power) Schematic Diagram - Panasonic SDR-H80P Service Manual

SDR-H80P

8.20. MAIN (SUB-POWER) SCHEMATIC DIAGRAM

(MAIN P.C.B.)
REFER TO MAIN CONNECTION
TO MAIN CN (F-15)
<TO POWER>
(P7) LCD_BL_5V_POWER
G
F
E
TO MAIN CN (F-15)
<TO POWER>
(P10) REGA5V
(P9) REGD3V
D
(P8) LCD_8.5V_POWER
C
B
TO MAIN CN (F-15)
<TO POWER>
(P11) REGD3.3V
A
1 2
4.8 4.8
Q1412
2SB0970X0L
R1411
(SWITCHING LCD BL +5V)
47k
4.1
R1412
1500
0
R1414
0.7 3300
Q1413
2SD2216J08
(SWITCHING
R1413
0
LCD BL ON H :ON) C1411
47k
10u[KB]
2012
Q1411
UNR9114J08
(SWITING LCD +5V)
4.8
4.8
0.8
R1431
47k
8.6 8.5
R1461
Q1461
47k
2SB1462J08
7.9
(SWITCHING LCD +8.5V)
D1411
R1462
MA3S132E0L
22k
0.1
R1464
18k
0.7
Q1462
2SC584600L
(SWITCHING
0
LCD ON H :ON)
R1463
C1461
220k
10u[KB]
STAR POINT
VCC-2
SP5
3 4 5
TP61
Q1431
B1ADGB000014
(SWITCHING LCD +3V)
3.0
2.9
2.3
C1431
R1432
1u[KB]
4700
TP92
6 7
50
TO MAIN CN (F-15)
<TO LCD BL>
LCD_BL_5V (P6)
TO MAIN CN (G-14)
<TO VIDEO>
LCD_BL_ON_H (P1)
TO MAIN CN (E-15)
<TO POWER>
D_GND (P13)
TO MAIN CN (F-15)
<TO LCD BL>
LCD_8.5V (P5)
TO MAIN CN (G-16)
<TO LCD>
LCD_5V (P3)
TO MAIN CN (F-15)
<TO LCD>
LCD_3V (P4)
TO MAIN CN (G-14)
NOTE:
<TO VIDEO> DO NOT USE ANY PART NUMBER SHOWN ON
THIS SCHEMATIC DIAGRAM FOR ORDERING.
LCD_ON_H (P2)
WHEN YOU ORDER A PART, PLEASE REFER
TO PARTS LIST.
NOTE:
THE MEASUREMENT MODE OF THE DC VOLTAGE ON
THIS DIAGRAM IS STOP MODE.
NOTE:
CIRCUIT VOLTAGE AND WAVEFORM DESCRIBED
HEREIN SHALL BE REGARDED AS REFERENCE
INFORMATION WHEN PROBING DEFECT POINT,
BECAUSE IT MAY DIFFER FROM AN ACTUAL MEASURING
VALUE DUE TO DIFFERENCE OF MEASURING
TO MAIN CN (E-15)
INSTRUMENT AND ITS MEASURING CONDITION
<TO VIDEO>
AND PRODUCT ITSELF.
REGA3.3V (P12)
SDR-H80, H81, H90
MAIN (SUB POWER) SCHEMATIC DIAGRAM
8 9 10