Power Schematic Diagram (Hv-Gx900K - Aiwa HV-GX950 K Service Manual

A B
8
7
CD501
06635817
CP506
AC230V_50Hz 1-1123724-2
FH501 FH502
BLUE BLUE
1
EYF-52BC EYF-52BC
BROWN BROWN
3
6
F501
T1.6A_L_250V
21801.6
0R3A433F20
5
C505
250V 0.0033
SWITCHING REG
IC501 STR-F6552
4
1 2 3
1.7 0
299.0
R501
680
3
2
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR. CAUTION:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
1
A B
C
D504
1N4005E
D502
1N4005E
2 D503
1N4005E
4
D505
1N4005E
L503
T501
8128017
8
KX
D507
R508
7
1SS244 15
NC 6
5
3
4 5
16.9 0
R513
W860
3.3K 1/2W
TLP621(D4-GR-LF2)
SINCE THESE PARTS MARKED BY ARE
NOTE:
THE DC VOLTAGE AT EACH PART WAS
CRITICAL FOR SAFETY,USE ONES
MEASURED WITH THE DIGITAL TESTER
DESCRIBED IN PARTS LIST ONLY
DURING PLAYBACK
C
D E
POWER SCHEMATIC DIAGRAM
(MODEL:HV-GX900K)
(SYSCON PCB)
D512
11DF2N
R517
D513
1N4005E 390 1/4W
L502_1
22uH ELC0607
B503
BF40DTA-3.5X6X1
W818
D518
RU30Z
C520
500V 0.001 B
R520
10
220
1/4W
D515
11
11ES1N D516 R521
12
1SS133 4.7K L501_1
D517_1
22uH ELC0607
13
SB340L-6737
14 C516
0.001 B
15
16
17
R516
D514
18
P.CON 5V SW
1 1/4W GMA-02
Q507
2SB926
5.7
W813
R514
1K P.ON SW
W814
0
R524
C514 DTC143EKA
5.0
0.0047 B 7.5K +-1%
0
PHOTO COUPLER
Q501
VOLTAGE CTL
R523
IC502 NJM431L
11K +-1%
-18.8 -18.8
HEATER SW
-18.1
Q505
2SD734
R544
OUT GND IN
5.0
1 3 2
22K
4.9 0 2.5
H.ON SW
Q503
5.1
DTA124EKA
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
I-11
F G
W821
14.8 11.6
12V REG.
12.0
Q511
2SD734
D528
W805
1N4005E
18.9 18.0
CAP VCO SW
W820
18.0
Q508
2SB926
18.0
R539
5.0
CAP.SW
4.7K
Q509
4.0
2SC2412K
W843
R548
5.6
0.68
1/4W
5.0
D530
1N4005E
Q502
0
CAUTION: DIGITAL TRANSISTOR CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
TO TUNER/HIFI
+32V
P.CON+5V
(AUDIO)
GND
(TUNER)
GND
(HIFI)
GND
6
TO 21PIN/OSD/VPS
AT+12V
P.CON+5V
GND
TO Y/C/A/H.AMP
P.CON+5V
GND
AT+5.8V
5
FROM/TO SYSCON/SERVO/TIMER
(CYL)
GND
(CAP) 4
GND
(LDM)
GND
(S/S)
GND
POWER_FAIL
CAP_HI-H
AT+12.6V
CAP_VCO
AT+5V-A
AT+5.8V
P.CON+5V
HEATER_SW
3
POWER_ON-H
TO DISPLAY
HEATER_DC+
HEATER_DC-
-30V
GND
2
PCB010
VM9150
1
H