12.7. Tuner Section (Main P.C.B. (3/4)) Schematic Diagram (TU)
TV_VCR
G_TU_SCL_A
AFC
G_TU_SDA_A
G_TUIFOUT1_A
UNREG38V
G_TU_IFAGC_A
JC_P_ON_H
G_TUIFOUT2_A
G_TU_V_OUT_A
Q7802
2SD1819A0L
QR7801
UNR511200L
R7802
100K
C7829
0.01
C7836
0.01
G_SIF_A
ERJ3GEY0R00V
LB7816
C7835
0.01
C7839
0.01
RET4
RET3
RET1
RET2
G3
G4
19
17
18
21
20
G1
G2
16
4
32
7
12
14
15
13
9
8
11
10
6
5
1
ENGF6703KF
TU7801
C7831
0.1
F2A1H1R0B032
C7827
C7830
F2A0J470A824
J0JHC0000032
LB7803
F2A0J470A824
C7826
LB7807
[J0JCC0000103]
R7801
680
2SB1218A0L
Q7801
B1ADCF000154
C7828
18P
18P
C7825
D7801
B0BA03000015
J0JHC0000032
LB7809
LB7810
J0JCC0000103
LB7811
J0JCC0000103
ERDS2TJ102T
R7803
R7804
0
R7805
0
LB7815
ERJ3GEY0R00V
LB7813
ERJ3GEY0R00V
LB7812
ERJ3GEY0R00V
LB7814
J0JHC0000032
F2A0J470A824
C7823
G_SIF_B
JC_REG5V
0.047
C7308
F2A1H2R2B032
C7322
R7301
100
R7302
100
C7301
F2A0J220A878
1K
R7307
C7807
1u
3
1
2
4
5
C0CBCDC00052
IC7801
ECJ1VB1A105K
C7802
G_SIF_C
3
1
2
EFCT4R5MS5W
J0B4504AA026
FL7301
R7308
0
C7319
1u
G_SIF_E
C7316
1u
C7313
F2A1C100B099
0.1
C7312
GND
C7306
F2A1H4R7B033
C7302
F2A1H4R7B033
C7305
F2A1H4R7B033
C7304
F2A0J220A878
C7314
F2A1H2R2B032
1u
C7317
C7310
F2A0J470A824
0.01
C7311
R7306
4700
C7321
1u
1u
C7318
0.1
C7320
G_TU_L_A
G_TU_R_A
X_SW_5R8V
G_I2C5DT_A
G_I2C5CK_A
R7304
0
TL7301
R7305
0
10
11
9
7
8
3
2
1
6
4
5
14
16
18
20
23
22
24
21
19
17
15
12
13
IC7301
C1AB00002666
RFC_SW
RFC_5V
AUDIO_IN
BOOSTER_5V
TU_MONITOR
NC
SIF_OUT
VIF_5V
VIDEO_OUT
AFT
30V
TUNER_5V
IFD_OUT2
IFD_OUT1
IF OUT
IF_AGC
IIC_CLK
IIC_SDA
VIDEO_IN
AGC
RFC_ON/OFF
VCC
LOUT
PCREG
PCSPE
PCTIM
ROUT
PCKE6B
SDA
ADDSET
SCL
ST_SAP
GND
PCFIL
POSIF
SAPDET
PCDET
DBXIN
PCTNWID
PCDCIN
or
STPDET
VO
GND
CONT
VIN
CN
or
PCPLC
STPLL
PCDCOUT
P
A
A
A
T
A
T
A
A
T
T
A
A
A
A
P
P
PILOT
DET
STEREO
PLL
PILOT
LEVEL DET
-6dB
MUTE
REGULATOR
LPF
LPF
MUTE
L+R
L-R/SAP
dbx PROCESSOR
OFFSET
CANCEL
SPECTRAL IN
SPECTRAL
DET
WIDE RMS DET
PILOT
CANCELLER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
L-R
DEMOD
ST/SAP
SW
MODE
OUT
SAP
DEMOD
SAP
DET
OFFSET
CANCELL
MATRIX
LPF
SIF DEMOD
SAP BPF
SPECTRAL RMS DET
ILL
DECODE
SYSTEM
CONTROL
ADDRESS
CONTROL
ST
SAP
H
VIN
VOUT
NR
GND
:ON
4
2
3
1
5
IC
8
9
10
7
6
E
F
G
D
C
5
4
3
2
1
B
A
DMR-EZ17P
Tuner Section(Main P.C.B.(3/4))
Schematic Diagram(TU)
C
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
P:Power Supply Section:(Page: )
A
A:AV IO Section:(Page: )
B
TU:Tuner Section:(Page: )
T:Timer Section:(Page: )
C
D
IC7301
AUDIO MULTIPLEX DECODER
IC-DETAIL BLOCK DIAGRAM
IC7801
B5V SWITCHING REG.
IC-DETAIL BLOCK DIAGRAM
DMR-EZ17P
47
Содержание DMR-EZ17P
Страница 5: ...2 2 Precaution of Laser Diode 5 DMR EZ17P ...
Страница 7: ...3 Service Navigation 3 1 Service Information 7 DMR EZ17P ...
Страница 8: ...4 Specifications 8 DMR EZ17P ...
Страница 9: ...5 Location of Controls and Components 9 DMR EZ17P ...
Страница 10: ...10 DMR EZ17P ...
Страница 29: ...10 1 2 Checking and Repairing of Main P C B 29 DMR EZ17P ...
Страница 32: ...32 DMR EZ17P ...
Страница 57: ...13 4 Front Jack P C B 1 A B C D 2 3 4 5 DMR EZ17P Front Jack P C B VEP73143A Front Jack P C B DMR EZ17P 57 ...
Страница 58: ...DMR EZ17P 58 ...
Страница 64: ...15 Parts and Exploded Views 15 1 Exploded Views 15 1 1 Casing Parts Mechanism Section 64 DMR EZ17P ...
Страница 65: ...15 1 2 Packing Accessories Section 65 DMR EZ17P ...