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Rf Amp - Akai CFTD2052 Service Manual

Lcd color television/dvd video player
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A
B
8
CD2601
R2633
P.CON+3.3V_D
4.7K
2H0O1902
3.4
FFC(P=0.5mm)
0
VR_SEL
TURN LOGIC
0
Q2606
D
VR DVD CTL
0
FROM/TO LOADER
DTC124EKA
Q2603
2SK3018
CP2601
S
0
09-5000-024-001-001
1
GND
7
2
VCC
OPU_C
3
C
OPU_B
4
B
OPU_D
5
SW1(DVD/CD)
OPU_E
6
E
OPU_C
TP2601
GAIN_SW
7
SW2(L/H)
OPU_B
OPU_F
8
F
OPU_A
9
A
OPU_A
OPU_D
10
D
C2634 0.1 F
OPU_VREF
11
Vref
VR_DVD
12
VR(DVD)
13
VR COM
6
VR_CD
14
VR(CD)
RF_GND
15
GND
CDLD
16
LD(CD)
17
PD
DVDLD
18
LD(DVD)
19
GND
RF_GND
20
NC
NC
02DZ2.2-X
(TH3ORION)
TR+
21
T DRV
TR-
22
T RTN
FO+
23
F DRV
FO-
24
F RTN
5
4
FROM MOTOR DRIVE
TR+
TR-
FO+
FO-
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-5
C
R2620
0
G
D
3.3
R2647
4.7K
4.7K
G
5
VR CD CTL
D
5
R2623
Q2604
0
S
VR SEL CTL
G
2SK3018
Q2605
3.3
4.7K
2SK3018
S
0
SUMMING
TP001
R2637
2.3
Q2608
KTC3875S_Y_RTK
1K
5.0
R2628
2.3
TP9
W813
R2632
1.7
4
1K
R2629
1.7
100
0
1K
R2630
SUMMING
1.5
0
3.1
3.1
4.3
4.3
5.1
2.4
Q2607
1K
64
63
62
61
60
59
58
57
KTA1504S_Y_RTK
0
NC
0
DVDRFN
NC
C2603
2.5
1
DVDRFP
A2
0.0022 B
0
C2604
B2
0.0022 B
C2605
2.5
D2602
C2
0.0022 B
2.5
C2606
D2
0.0022 B
3.7
C2607
CP
33P CH
3.7
READ CHANNEL IC
CN
TP19
IC2601
OPU_B
2.7
ZR36707TQC
D
TP20
2.7
OPU_C
C
TP21
2.7
OPU_D
B
TP22
OPU_A
2.6
A
16 CD_A
2.7
CD_D
2.7
CD_C
2.7
CD_B
2.6
17
18
19
20
21
22
23
24
2.6
2.6
5.1
5.1
3.7
5.1
0.2
0.2
DVD
RF5V
TP043
TP39
R2634
R2615
1M
DVD LD CTL
10
4.4
Q2601
R2616
2SA1036K
B2601
3.8
1K
2.3
FCM2012H-102T04
C2640_1
DVDLD
D2601
TP40
KDS120RTK
6.3V
100
KA
C2641_1
B2602
CDLD
FCM2012H-102T04
6.3V
100
KA
1.8
R2617
CD LD CTL
3.3
Q2602
1K
4.4
2SA2048
R2618
TP42
18
R2654
TP41
18
C
D
E
RF AMP SCHEMATIC DIAGRAM
(DVD PCB)
5
TP12
TP11
FNN
FNP
2.6
3.5
3.5
2.3
0
0
0
0
56
55
54
53
52
51
50
49
0
R2611
1.5
4.7K
SDATA
R2612
3.3
4.7K
SCLK
48
SDEN
R2613
3.3
4.7K
V33
C2616
4.2
LCP
C2654
470P CH
0.01
B
4.1
LCN
R2644
R2643
0
2.2K
MNTR
C2619
1K
560P CH
1.8
CE
NC
C2620
R2607
1.2K
1.7
0.0056 B
FE
C2621
1.8
R2608
1.2K
0.0056 B
TE
C2622
R2609
1.2K
1.6
0.0056 B
PI
C2623
3.3
0.1
F
V25
33
LINK
R2605
R2610
1.7
10K
+-1%
5.1K
+-1%
V125
C2618
C2617
0
TPH
0.1 B
0.1 B
3.3
DFT
C2615
R2645
0
0.1
F
1K
R2646
25
26
27
28
29
30
31
32
2.2K
0
3.3
0
2.7
2.2
2.3
2.9
0.2
C2655
R2602
R2601
0.01
B
1.8M
4.7K
R2648
13K
RF_GND
R2635
1M
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D
E
F
G
D_GND
RF_A5V
TP15
RFA_SDEN
FCM2012H-102T04
TP16
RFA_DATA
TP17
RFA_SCLK
B2604
TP18
FCM2012H-102T04
B2603
FCM2012H-102T04
AAF_CE
AAF_FE
AAF_TE
AAF_PI
TP26
VBIASS0
TP38
VBIASS1
TP35
DEFECT
TP33
LINK
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
FROM/TO MPEG/MICON/DSP
RFA_SDEN
RFA_DATA
RFA_SCLK
AAF_CE
AAF_FE
AAF_TE
AAF_PI
VR_SEL
FNN
FNP
VBIASS0
VBIASS1
DEFECT
7
LINK
MIRR
LDON
GAIN_SW
FROM REGULATOR2
GND
D_GND
P.CON+5V_D
B2605
P.CON+A5V_D
6
P.CON+3.3V_D
5
4
3
2
PCB130
VMD327
1
H
G-6

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