Io / Tuner - Panasonic DMR-EZ45VEB Service Manual

DMR-EZ45VEB

13.4. IO / TUNER

GND
QR4902
SCART_MUTE
QR4901
QR4903 QR4904 QR4905
MIX_R_MUTE
MIX_L_MUTE
AADC_L
AADC_R
AU_GND
R3930 $240
Q3901
81
CPN_C_IN_DM
K3906 82
V_Y_IN
83
V_Y_IN_DM
C3957
84
$0.1
85
SLICER_VIDEO
86
CSYNC_IO
R3915
87
0
R3916 88
100
R3917 89
100
R3914 90
SYNC_DET
33
C3904 91
C_OUT_DM
0.01
C3905 92
10V1
C3906 93
Y_OUT_DM
0.1
R3931
94
100K
C3907 95
R/PR_OUT_DM
10V1
96
C3908 97
G/PY_OUT_DM
0.1
98
C3909 99
B/PB_OUT_DM
10V1
C3910 100
10V1
C3911
0.1
C3912
6V220
C3928
0.1
C3929
IO_GND 6V220
IO_GND
AV2_V_IN
AV2_R_C_IN
AV2_G_IN
AV2_B_IN
I2C5_CLK
I2C5_DATA
C3955
0.01
C3956
0.01
Note:
Marked $ (spare) parts are not assembled
* Optional Parts
C4101 470P C4107 470P
C4102 470P C4108 470P
R4101 R4102 R4103 1K
1K 1K 1K R4104
AUX_GND
JK3902
2 4 6 8 10 12 14 16 18 20 2 4 6 8 10 12 14 16 18 20
JK3901
1 3 5 7 9 11 13 15 17 19 21 1 3 5 7 9 11 13 15 17 19 21
D3901
QR4906
LB4101
C4942
0.1
50 C4943
C4944
49
16V47
48 0.01
Y/V_ADC
C3920
81 C_ADC 48 VCR_C in 47 C3921
Vcc5V_VSW VCR_Y in
82 Y_SYNC_out 49 REF_4.5V 0.1
50 AV3_R in 46 C4945
Slicer Vcc11.6V_A
16V220
45 C3922
C_SYNC out AV3_C in
0.01
44
V_DET in GND
43 C3923
SCL in AV4_C in
*0.01
42
SDA in IC3901 Vcc_ALL_5V
41 C3924
V_DET out AV3_Y in
0.1
40
ENC_C in Vcc5V_VC
39 C3925
V_DET_FIL AV4_Y/TU2_V in
*0.1
38 R3922
ENC_Y in EXT_CTL4
$6800
37 C3926
Vcc_Logic AV3_V in
0.1
36 R3926
ENC_R/R-Y in EXT_CTL3
$6800
31 AV2_V/Y in 35 C3927
GND_Logic AV4_V in
99 ENC_B/B-Y_in 32 AV2_FB_in 0.1
100 REG_2.5V 34
ENC_G/Y in AV1_FB out
33 C3947
GND_VSW AV1_V in
0.1
32
31 C3948
0.1
C3946
0.1
C3934
IC3905 0.1
6 1
IN1 SW
5 2
GND OUT
4 3
IN2 VCC
QR4911
QR4912
QR4913
* (DVB)
R7845
Q7802
*10K(DVB)
C7842
QR7801
* (DVB) *0.01(DVB)
*330 (DVB)
R7844
QR7802
*
D7803 *
K4901
QR7803
K7802
QR7804
Q4901
D4901
C7403
10V1
R4925
4700
NSW_5V
R4926
4700
C7402
C7404
0.1
10V1
C7410
10V1
(only
LB3901 ES35)
PS_5V
RF_5V
C7409 C7411
10V1
0.1
C7407
10V1
IC7402
C7406
1
V0 VIN
10V1
NC NC
C7405 PS_5V
CN NC
10V1
GND CONT
QR4915
QR4914
Y Y C C
JK4902
JK4903
JK4901
62
P7801 P7802 P6004
*(DVB)
* (DVB) * (DVB)
K7810 $
LB7801
K7811
$ * (DVB)
K7809
* (ANT_P)
(5V<=ANT_PON)
(5V<=NSW) K7805
* (ATU)
IC7804
*(ANT_P) * (DVB)
R7865
R7866
Vout (5V<=NSW) K7803
*4700(ANT_P) *47K(ANT_P)
NC
Vin R7867
On/Off 1
C7806
GND *1.5M (ANT_P)
*0.01(DVB)
btl30v
C7824
agc
$ 0.1
scl
sda R7849
R7850 (ES35)
LB7401 agc
R7851 (ES35)
D7802 C7811 *10V1(DVB)
* (ANT_P) K7853
sifout
*(ATU)
R7854
L7808
K7855
C7807
*10U(ANT_P) 0.01 aftout *(DVB)
videoout
D7801
*(ANT_P) C7810*10V1(ATU)
C7815 K7806
K7858
*0.22 (DVB)
digagc
R7859
R7808 *100(DVB)
K7808
R7861
K7807 * (ATU)
R7863
LB7802
(only ES35)
C7809
* 0.01(DVB)
R7818 R7819
470
470
LB7803
LB7804 R7821
$ 0
LB7602 C7621
* (DVB) $ 470P
NSW_5V
L7602
*27u(ATU)
C7605
(only ES35) C7603
6V100
0.01
LB7601
* (DVB)
VIF_5V
L7606* 39u(ATU)
(only ES35) 27u (ATU) C7618 C7620
C7617
C7613 0.1 16V47 *0.01(DVB)
*220P (ATU)
0.1(DVB)
LB7603
RF_5V
*(DVB)
TU_5V
L7605 *2.2u(ATU)
Turned Elko
(only ES35) C7604
6V100
COMBO ANALOG
1
BB: +5V ANT +5V Booster
2
NC AUDIO IN
3
NC M SDA
4
BB: +5V Boost.
+5V RFC
5
NC M SCL
6
NC VIDEO IN
7
+B: +5V TNR +5V TNR
8
BTL+30V NC
9
NC
NC
10
RF AGC NC
11
SCL NC
*0(DVB)
*0(ATU) 12
SDA RF AGC
*0(ATU)
13
AUDIO OUT NC(EE=SW)
14
SIF OUT SCL
*0(DVB)
15
NC
SDA
16
AFT OUT AFT OUT
17
VIDEO OUT AUDIO OUT
* (DVB)
18
+B: +5V VIF SIF OUT
* (ATU)
*0(DVB) 19
DIG AGC BTL 30V
* (ATU)
*0(DVB) 20
D IF OUT1 +5V VIF
*0(DVB) 21
D IF OUT2 VIDEO OUT
TU7801 *ENGF7503GF
SIF
AFC
MONO_FROM_TU
RF_5V
MPEG_TU_R
MPEG_TU_L
DECODER_R
DECODER_L
DMR-EZ45VEB
IO / TUNER
SCHEMATIC DIAGRAM