Power Supply Block Diagram
LINE
FILTER
BRIDGE
RECTIFIER
T2601
IC2601
ERROR
VOLTAGE DET
W2601
F2601
4A/125V
L2601
D2603 D2606
TD900BLP
DEGAUSSING
COIL
CN2601
PS2601
HOT
COLD
1-10-14
1-10-13
POWER SUPPLY/AV CBA
MAIN CBA
DVD MAIN CBA UNIT
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION !
Fixed voltage power supply circuit is used in this unit.
If Main Fuse (F2601) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
4A 125V
SWITCHING
Q2601
IC1602
P-DOWN
(TO PIN84 OF IC1201)
Q2604
IC2603
IC2604
VR2601
Q2602
+5V REG.
+B ADJ
5 +B
6 +B
3 DEF+B
Q1608
SW+5V
Q1611
SW+5V
Q1613
SW+5V
P-ON+5V
P-ON+5V
P-ON+5V
T+5V
P-ON+9V
P-ON+12V
AL+5V
P-ON+12V
Q1612
AL+33V
D/L+15V
P-ON+5V
+5V-CTRL
P-ON-H
(FROM PIN31 OF IC1201)
DVD-MAIN-POWER
(FROM PIN42 OF IC1201)
CN2602 TO CN502
TO
C
R
T
/H
.V
.
B
LO
C
K
CN2804
CN1803
CN2803
CN1804
CN2402
CN401
DVD-ON+3.3V
1
2
3
4
13
13
DVD-ON+5V
16
16
DVD-MAIN-POWER
9
9
P-ON-H
2
2
P-ON+9V(3)
19
19
AC-DOWN
19
19
D/L+15V
4
4
P-ON+9V(1)
10
10
P-ON+12V(1)
18
18
P-ON+12V
9
9
AL+33V
8
8
AL+5.7V
6
6
P-ON+9V(2)
3
3
EV+1.5V
2
2
EV+1.5V
1
1
EV+1.5V
4
4
EV+3.3V
5
5
EV+3.3V
17
17
DVD-ON+3.3V
14
14
AL+9V
15
15
AL+9V
19
19
PWRCON
DVD-ON+5V
EV+3.3V
EV+1.5V
AL+9V
12
16
15
14
11
13
10
9
2
3
5
7
FEED
BACK
+3.3V
REG.
REG.
Q2606
Q2614
Q2607
Q2613
Q2609
Q2605
Q2615
Q2617
1
2
4
IC2602
+1.5V
REG.
1
2
4
Q2611
Q2610
Q2612
Q2608
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH SAME TYPE 4 A, 125V FUSE.
CAUTION:
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE 4A, 125V.
4A 125V
FROM CHROMA
BLOCK
P-ON+9V
PWRCON
FROM DVD SYSTEM
CONTROL
/SERVO BLOCK
<DVD SECTION>
Содержание EC720E
Страница 2: ...EC720E T1008UJ 2004 06 22 ...
Страница 22: ...1 7 4 TD900DC S 4 S 4 S 4 S 4 4 CRT Anode Cap CRT CBA Fig 3 ...
Страница 62: ...WF11 PIN 5 OF CN571 Q571 Collector WF10 H V CBA Bottom View TV VCR Section 1 11 39 1 11 40 BTD930F01031 A ...
Страница 64: ...1 11 43 BTD850F01022B 1 11 44 Function CBA Top View TV VCR Section Function CBA Bottom View TV VCR Section ...
Страница 93: ...2 4 8 TD951DA Fig DM16 41 42 43 L 13 44 45 P 9 Slide Fig DM17 ...
Страница 97: ...3 1 3 TD900PEX S4 S1 X1 TAPE X5 X4 X2 X3 S3 S6 S7 S2 PACKING TAPE Packing ...
Страница 119: ...Printed in Japan 2003 08 25 HO 6720FDD TD900UA ...