3-27
3-27
FM - Audio (AF)
MUTE
Auto-mute
Line Sel
+
LPF
+
Volume R
Volume L
RFC Mute
+
GND
M
SAP
audio LPF
level
detect
BPF
1,7/1,8
HID
passive standby
head amplifier
pb amp
rec curr
RM
RMHID
noise
suppr.
noise
suppr.
FM (de-)modulator
i/o control
VCCH
M
M
M
active standby
DOC
DUB
N
N
Dec.Sel
DCR
DCL
DCR
M
+
HF
PLL
PLL
audio
clipper
VCC
limiter
audio
clipper
HiFi DET
LPF
HF
LPF
HF
limiter
HF
level
detect
Iref
TUL
BPF
M
HFAGC
1.8Mhz
CCO
1.4Mhz
12V
1,7/1,8
Normal Sel
R
audio LPF
SAP
Noise
Reduction
M
M
+
C
2
I
EOS+REC
NILevel
Out Sel
E2L
E2R
+1dB
M
Vref
+
+
+
TUL
TUR
E2L
E2R
L
N
SAP
EOS+Pb
M
Input Sel
DUB
DCL
M
+
Reduction
Noise
TUR
E2R
E2L
E1R
E1L
E1R
TUR
E1L
TUL
CIR
CIL
SAP
SDA
SCL
RM
carrier ratio
AUXL
AUXR
CCO
1.7Mhz
1.3Mhz
HID
2665 E2
2666 E1
2667 E9
16
17
D
E
I670 B6
2677 A4
I654 D2
I655 D2
F662 F7
F663 F2
F651 C8
F652 B8
2653 C9
2654 C1
F655 C8
F664 C8
F665 A5
F666 A4
2663 D8
2664 E1
2661 D1
2662 D2
6651 F6
F
OSCILLOGRAMS
..V MEASURED IN PLAYBACK MODE
..V MEASURED IN RECORD MODE
2673 A2
2671 F7
2672 A4
I656 D2
I657 D2
1
2
8
9
6
7
2675 B1
6
7
2678 A5
2679 B9
2668 E8
2669 E8
18
19
B
C
3.8V
3.9V
1
F673 A1
11
12
I669 B6
I651 E2
2676 B2
I667 A4
I666 B2
F654 D8
F667 D1
F668 D1
F672 B5
4.6V
3654 B8
3655 C9
3656 C8
3657 C9
3658 C2
F656 C8
2657 D2
13
F659 E8
F660 D8
5651 B1
3.9V
3.9V
7650 B3
A
B
..
14
15
I652 E2
I653 E2
3.8V
3.8V
3.8V
2658 D1
4
5
0.7V
2674 A2
I660 D1
I661 D1
8
9
F658 E8
3650 A4
A
3.9V
3.6V
3.8V
3.8V
3.8V
2
3
F661 E8
F653 C8
I665 F5
I664 D2
9.1V
7.8V
2680 C9
2681 C9
F669 A3
F670 A3
F671 A4
3652 A6
3653 A5
0V
0V
0.8V
4.0V
4.0V
3659 F7
3660 F9
2682 C2
3661 F9
5650 A2
4.6V
3.9V
F
1501 A1
9010 A5
C650 E2
C
D
E
4.2V
3.8V
2670 F4
2650 C9
2651 C9
2652 C2
2655 D9
2656 D9
I662 C9
I663 C9
3
3.9V
4.6V
2659 D2
2660 D9
3.8V
3.8V
3.8V
3.8V
4
5
F674 B1
3.8V
0.7V
0.8V
4.2V
4.3V
3.8V
F657 D8
I658 A5
I659 D2
3651 A6
F658
4.3V
1.2V
0V
2V 0.5V
3.8V
4.6V
4.6V
C651 E1
C652 E1
F650 C8
not used
F659
220n
2666
I651
F668
2658
220n
3652
100R
MP
1501
125mA
2656
10u
100R
3651
2654
10n
2677
2669
100n
GNDAF
3657
2K7
F661
I666
5VA
2682
I653
3658
2655
47u
GNDAF
GNDAF
470R
C650
F670
33K
2u2
2672
I661
3656
F665
I670
F672
10u
2650
1u
2676
F669
220n
2665
9VA
2663
2u2
I669
GNDAF
2K7
2u2
2660
I655
3655
220n
2670
F657
GNDAF
GNDAF
GNDAF
2681
47u
F667
I660
220n
2657
220n
2659
220n
F651
2662
GNDAF
6u8
5650
2664
220n
9010
F663
GNDAIO
4M7
GNDVS
3659
GNDVS
GNDAIO
F662
2671
10u
F666
44
5
6
7
8
9
GNDAF
F674
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
7650
TDA9605H
1
10
11
12
13
14
15
16
22n
2674
F655
2675
47u
100n
2652
GNDAF
I662
9VA
GNDAF
5VA
3660
100K
F660
GNDAF
I663
220n
2661
F650
I667
GNDAF
I659
F654
F673
100n
2678
6n8
2680
5651
22u
6n8
2653
I652
I665
100K
3661
I664
GNDAF
2668
2u2
I657
GNDAF
3653
1K
GNDAF
I658
GNDAF
GNDAF
I654
2679
10u
BAS216
6651
GND
I656
F656
F664
GNDVS
F652
C652
GNDVS
2667
2u2
39K
3650
F653
F671
GNDAF
GNDAIO
C651
10u
33K
3654
100u
2673
2651
AMLP
RMHI
AINFL
AINFR
AOUT2R
AOUT2L
9VA
5VA
SCL
SDA
TRIA_ALM
AFR
AFL
AIN2R
AIN2L
AMLR
AIN1R
AIN1L
AOUT1L
AOUT1R
AMCO
AH2
AHC
AH1
Interconnections:
AF page 3-27
AL page 3-24
AIO1 page 3-17
AIO2 page 3-15
DE page 3-19
FM ST page 3-22 FM NIC-page 3-23
FV page 3-21
FOME page 3-34 I/O page 3-33
PS page 3-14
VPO page 3-32
VS page 3-31
VS_S page 3-28
Summary of Contents for VTFX940EUKN
Page 6: ......
Page 30: ......
Page 83: ...3 1 3 1 Wiring Diagram Motherboard ...
Page 85: ...3 3 3 3 Block Diagram Video ...
Page 87: ...3 5 3 5 Block Diagram Audio Stereo ...
Page 88: ...3 6 3 6 Supply Voltages and Bus Diagram ...
Page 91: ...3 9 3 9 Block Diagram Central Control AIO1 AIO2 OPTION ...
Page 92: ...3 10 3 10 Mother Board solder side CLOCK ADJUST 4769 ...
Page 93: ...3 11 4769 E10 ...
Page 94: ...3 12 ...
Page 119: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...
Page 120: ......