Panasonic DMR-EZ28P

12.7. Tuner Section (Main P.C.B. (3/4)) Schematic Diagram (TU)
18P
C7825
LB7809
1KR7803
LB7811
LB7813
LB7812 ERJ3GEY0R00V
ERJ3GEY0R00V
ERJ3GEY0R00V
ERJ3GEY0R00V
LB7810 J0JCC0000103
J0JCC0000103
R7804 0
R7805 0
LB7815
6.3V47
C7823
LB7814 J0JHC0000032
D7801
B0BA03000015
J0JHC0000032LB7803
6.3V47
C7826
LB7816
C7835
0.01
G_SIF_A
C7836
C7839
0.01
0.01
C7828
18P
C7831
0.1
C7830
6.3V47
50V1
C7827
C7829
0.01
K7890
VWJ0795=5
RET4 RET3
RET1 RET2
G3 G4
19 171821 20
G1 G2
16 451327121415 13 9 811 10 6
ENGF6704KF
TU7801
G_SIF_C
3 1
2
J0B4504AA026
FL7301
1K
R7307
R7301 100 C7322 50V2.2
G_SIF_E
C7313
16V10
0.1C7312
C7316 1 C7319 1
TL7301
100R7302
0.047C7308
C7301 6.3V22
231011 9 78 16 45
14 16 18 20 2322 2421191715
12
13
IC7301
C1AB00002666
R7801 680
2SB1218K0L
Q7801
G_SIF_B
R7308
0
3
1
2
4
5
C0CBCDC00052
IC7801
1
C7802
C7807
1
DI_PON_DL_5V
C7306 50V4.7 C7302 50V4.7 C7305 50V4.7 C7304 6.3V22
R7306
4.7K
1C7318 1C7317
0.01C7311
C7314 50V2.2 C7310 6.3V47
C7321
1
0.1C7320
X_SW_5R8V
G_TU_R_A
G_I2C5DT_A G_I2C5CK_A
G_TU_L_A
GND
R7304 0 R7305 0
QR7801
UNR5112J0L
Q7802
2SD1819K0L
G_TU_V_OUT_A
R7802
100K
G_TUIFOUT2_A DI_PON_DL1_H G_TU_IFAGC_A
UNREG38V
K7891 VWJ0795=7.5
G_TUIFOUT1_A
G_TU_SDA_A
AFC
G_TU_SCL_A
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
IF_OUT_TW
IIC_SDA
VIDEO_IN
AGC
RFC_ON/OFF
A A P A A
VOCN
GND VIN
PCTNWID
DBXIN
PCKE6B PCSPE
SDA
SCL
PCDETPCTIM
PCDCIN STPDET
STPLL PCPLC
GND
POSIF PCFIL
ROUT ADDSET ST_SAP PCREG LOUT VCC
PCDCOUT
SAPDET
CONT
A T A A T A T A A
TU_V_OUT_TW
P P
J0JHC0000032
P:Power Supply Section:(Page: )
A
A:AV IO Section:(Page: )
B
TU:Tuner Section:(Page: )
T:Timer Section:(Page: )
C
C
D
H
VINVOUT
NR GND
:ON
423
15
IC
IC7801
REG. BOOSTER+5V
IC-DETAIL BLOCK DIAGRAM
89 1076
E
F
G
D
C
54321
B
A
DMR-EZ28P/PC
Tuner Section (Main P.C.B. (3/4))
Schematic Diagram (TU)
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.
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
12 3 4 5 6 7 8 9101112
131415161718192021222324
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
IC7301
AUDIO MULTIPLEX DECODER
IC-DETAIL BLOCK DIAGRAM
DMR-EZ28P / DMR -EZ28 PC
49