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Regulator2 - Akai CFTD2052 Service Manual

Lcd color television/dvd video player
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A
B
8
FROM POWER
7
CD501
(CP3804)
5A 32V
L3004
CU241401
F3001
1
ADAPTER+12V
22uH
1206FA5A-T
2
ADAPTER+12V
TSL0808
5A32V
3
GND
4
GND
6
11.9
R3001
Q3002
DTC114EKA
5
C3006
0.01 B
2.5
0
1.2
1.2
1.7
1.3
16
15
14
13
12
11
4
SCP
0.9V
D.T.C
1.8V
- +
ERROR
COMP
PWM
COMP2
-
AMP2
- -
D.T.C
RS
- - S.C.P
R
LATCH
COMP
1.28V
U.V.L.O.
- -
1UA
2.5V
PWM
ERRORAMP1
O.S.C
+INT +
-
COMP
1
-INT
D.T.C
0.9V
CT
RT
FB1
1
2
3
4
5
6
1.7
0.9
1.3
1.2
1.8
C3008
0.01 B
3
2
5A 32V
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE
5A 32V (F3001)
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
1
N'UTILISER QUE DES FUSIBLE DE MEME TYPE
5A 32V (F3001)
CAUTION
:F3001 IS MANUFACTURED BY COOPER INDUSTRIES INC.,
TYPE 1206FA-T.
A
B
G-11
C
REGULATOR2 SCHEMATIC DIAGRAM
7.1
7.1
7.1
8
7
6
SW
Q3001
2SB1132
11.8
1
2
3
11.2
11.8
11.8
11.8
10K
11.7
5.7
5.7
0
SW
SW
SW
Q3003
6.0
Q3004
4.9
KTC3875S_Y_RTK
R3013
KTA1504S_Y_RTK
0
560
3.4
3.4
3.4
8
7
6
1.8
10.0
10
9
OUT2
2
1
2
3
11.8
11.8
11.8
2.5V
OUT1
1
7
8
11.7
9.0
9.0
1.0
8.1
0
SW
SW
Q3005
9.6
Q3006
R3020
KTC3875S_Y_RTK
KTA1504S_Y_RTK
560
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D
E
(DVD PCB)
SBPSC-11R310-101A
L3001
12
7.1
100uH
5
REG+5V IC
IC3003
4
5.7
V_IN
COM
1
7.0
0
0.0
6.0
SBPSC-11R310-101A
L3002
13
D3003
REG+1.8V IC
3.4
EC31QS04
IC3002
100uH
5
V_IN
V_C
1
2
4
3.0
3.0
8.7
0.0
9.6
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
DVD_POWER_H
P.CON+7V_D
KIA78D05F
V_OUT
2
3
5.1
P.CON+5V_D
L3003
P.CON+A5V_D
2.2uH 0305
B3001
P.CON+3.3V_D
FCM2012H-102T04
PQ070XZ01ZPH
V_OUT V_ADJ GND
6
3
4
5
1.9
1.3
0
P.CON+1.8V_D
(GND,D_GND)
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F
G
H
8
FROM/TO AUDIO/VIDEO
P.CON+5V_D
P.CON+3.3V_D
7
DVD_POWER_H
GND
(GND,D_GND)
TO MOTOR DRIVE
P.CON+A5V_D
P.CON+7V_D
P.CON+3.3V_D
GND
6
(D_GND,M_GND)
TO MEMORY2
P.CON+3.3V_D
GND
(D_GND)
GND
(M_GND)
5
TO RF AMP
P.CON+3.3V_D
P.CON+5V_D
P.CON+A5V_D
GND
(GND,D_GND)
TO MPEG/MICON/DSP
P.CON+1.8V_D
P.CON+3.3V_D
4
GND
(GND,D_GND)
P.CON+5V_D
3
GND
2
PCB130
VMD327
CAUTION: DIGITAL TRANSISTOR
1
H
G-12

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