Rf Amp - Toshiba 17HLV85 Service Manual

A B
8
R2633
P.CON+3.3V_D
4.7K
FROM/TO LODER
3.4
0
VR_SEL
CD2601 2H0O1701
0
0 D
TURN LOGIC VR DVD CTL
Q2606 Q2603
FFC(P=0.5mm)
RT1N241C1-T1 2SK3018T106
7
S
CP2601
0
09-5000-024-001-001
1 GND
2 VCC
OPU_C
3 C
OPU_B
4 B
5 SW1(DVD/CD)
TP2601
OPU_E
6 E
GAIN_SW
7 SW2(L/H)
OPU_F
8 F
OPU_A
9 A
C2634 0.1 F
OPU_D
10 D
OPU_VREF
11 Vref
6
VR_DVD
12 VR(DVD)
13 VR COM
VR_CD
14 VR(CD)
RF_GND
15 GND
CDLD
16 LD(CD)
17 PD
DVDLD
18 LD(DVD)
D2602
RF_GND
19 GND
20 NC NC 02DZ2.2-X
TR+
21 T DRV
TR-
22 T RTN
FO+
23 F DRV
5
FO-
24 F RTN
OPU_B
OPU_D
4
FROM MOTOR DRIVE
TR+
TR-
3
FO+
FO-
DVDLD
2
1
A B
H-29
C
RF AMP SCHEMATIC DIAGRAM
R2620
G
3.3 D 0
4.7K R2647
VR SEL CTL
G
5 Q2605
D
5
4.7K R2623
2SK3018T106
VR CD CTL G
S 0
Q2604
3.3
4.7K
2SK3018T106 0 S
TP001
TP10
TP9
W813
4
1.5 0 3.1 3.1 4.3 4.3 5.1 2.4 2.6
64 63 62 61 60 59 58 57
0
NC
0
DVDRFN
NC
C2603
2.5
1 DVDRFP
A2
0.0022 B
0
C2604
B2
0.0022 B
C2605 2.5
C2
0.0022 B
2.5
C2606
D2
0.0022 B
C2607 3.7
CP
33P CH
3.7
READ CHANNEL IC
CN
TP19 IC2601
2.7
ZR36707TQC
D
TP20
2.7
OPU_C
C
TP21
2.7
B
TP22
2.6
OPU_A
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
R2615
R2634
10
4.4
DVD LD CTL R2616 1M
3.8
Q2601
B2601
2SA1036K 1K
2.3 C2640_1
FCM2012H-102T04
D2601 TP40
6.3V 100 KA
KDS120RTK
C2641_1
B2602
CDLD
FCM2012H-102T04 6.3V 100 KA
1.8
R2617
CD LD CTL
Q2602 3.3 1K
4.4
2SA2048 R2618
TP42
18
R2654
CD
TP41
18
C
D E
(DVD PCB)
5
TP12
TP11
FNN
FNP
3.5 3.5 2.3 0 0 0 0
56 55 54 53 52 51 50 49
RF_A5V
0
R2611 4.7K
1.5
SDATA
R2612 4.7K
3.3
SCLK
48 SDEN
R2613 4.7K
3.3
V33
C2616
4.2
LCP
C2654
470P CH
0.01 B
4.1
LCN
R2644
R2643 1K 2.2K
0
MNTR
C2619
1.8 560P CH
CE
NC
C2620
R2607 1.2K
1.7 0.0056 B
FE
C2621
1.2K
1.8 R2608 0.0056 B
TE
C2622
R2609 1.2K
1.6 0.0056 B
PI
C2623
0.1 F
3.3
V25
R2610
33 LINK
R2605
1.7
10K +-1% 5.1K +-1%
V125
C2618
C2617
0
TPH
0.1 B
0.1 B
3.3
DFT
C2615 0.1 F
R2645
0
R2646
1K
25 26 27 28 29 30 31 32
2.2K
0 3.3 0 2.7 2.2 2.3 2.9 0.2
R2602
R2601 C2655
1.8M
4.7K 0.01 B
R2648
13K
RF_GND
R2635
1M
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME NOTE:THE DC VOLTAGE EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D E
F G
D_GND
TP15
RFA_SDEN FCM2012H-102T04
TP16
RFA_DATA
TP17
RFA_SCLK
TP18
B2604
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 7
VBIASS0
VBIASS1
DEFECT
LINK
MIRR
LDON
GAIN_SW
FROM/TO REGULATOR2
GND
(GND,D_GND)
P.CON+5V_D
B2605
P.CON+A5V_D
6
P.CON+3.3V_D
B2603
FCM2012H-102T04
5
4
3
2
1
PCB130
DMD005
H
H-30