Panasonic DMR-EZ45VEB, Service Manual

Page: 65 / 108

13.7. AUDIO NICAM
Note:
Marked $ (spare) parts are not assembled
* Optional Parts
DMR-EZ45VEB
AUDIO NICAM
SCHEMATIC DIAGRAM
R4518
4700
R
4557
4700
R
4530
4700
C
4533
0.
01
R4524
1K
R4527 1K
R4526
1K
R4522
4700
C4523
0.047
C4519
0.015
C
4512
0.
01
C
4513
0.
01
C
4515
0.
1
PB-FM ENV
FM-MIX OUT
C4544
0.1
L4503
100u
C4517
$
L4501
$
C4518
0.22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
IC4501
TW4501
A
_5V
IIC_
D
A
T
A
IIC
_
C
L
K
A_
HS
W
D_
REC_
H
ABS
_
NORM
_
L
AL AR
A_
COM
AADC_
L
AADC_
R
FM
_MU
T
E
_H
A_
GND
FSC GND
X
_
SW12V
VT
R_
P
ON_
H
X
_
SW_5R
8V
MI
X
_R
_MU
T
E
VHS
_
OUT
_
R
NOR_
T
O_
YC
NOR_
F
R
OM
_
YC
MI
X
_L
_MU
T
E
R
E
G
_12V
DE
CODER_
L
DE
CODER_
R
R4519
4700
R4528
4700
C4527
$ 0.1
C4528
$ 0.1
C4534
0.1
L4502 1.2U
C4524
6V100
C4526
16V10
C
4531
16V
47
C4520
16V22
C4521 16V10
C4522
6V33
C
4516
0.
1
C
4511
0.
033
C
4510
0.
015
C
4508
16V
10
C
4509
6V
22
C4505
6V33
C4504
0.047
C4502 16V10
C4501 16V10
C4503
16V10
C4506
16V10
C4545
10V22
R4525
33K
R
4559
39K
R
4521
120K
R4517
510
R4555
820
R4532
680
R
4560
6800
QR4501
Q4501
R4513 56K
R4514
56K
R4523
510
TL4501
Q4502
A_GND
D4501
D4502
C7325 *
C7314 *
C7342 *
C7341 *
R7328 *
R7329 *
R7316*
C7324 *
C7301 * C7323 *
C7316 * C7311
0.01
C7328 *
C7305 *
C7306 *
C7303 *
C7319
10V1
C7320
10V1
C7343 *
C7331 *
C
7335
0.
1
L7302
*
L7301
1u
D7301 *
LB7303 *
LB7301 *
LB7302 *
K7302 K7303
C7302
6V100
C
7318
6V
47
TL7303 TL7304
TL7301
K7307 *
OUT L
1
OUT R
2
VDDA1/CDE1
3
VSSA1/N.C.
4
VSSD1/N.C.
5
VDDD1/CDE2
6
VSSD2/AGND
7
VDEC2/AF1I
8
TP2/N.C.
9
NICAM/AF1O
10
TP1/N.C.
11
12
ADDR1
/AF
R
13
XT
AL
O/LF
1
14
XT
AL
I/XT
AL
15
T
P3/
N
.C
.
16
TES
T2
/N
.C
.
17
IRE
F
/L
F
2
18
ADDR2
/N.C
.
19
V
SSA
2/
N
.C
.
20
VDE
C1
/M
AD
21 22
SIF2/N.C.
23
VREF1/CAF1
24
SIF1/IFINT
25
CRESET/CAF2
26
VSSA3/DGND
27
VDDA3/VCC
28
SCL
29
SDA
30
SDO/LPF
31
WS/AF2O
32
SCK/AF2I
33
34
VDDD3
/CID
35
V
SSD
3/
N
.C
.
36
P1
37
M
ONOIN/EXT
M
38
EX
TI
R
39
EX
TI
L
40
VRE
F
2
/VRE
F
41
P2
42
OUT
M
43
V
SSA
4/
N
.C
.
44
IC7301
12 = PCLK/N.C. 22 = TEST1/N.C.
34 = SYSCLK/CTRIG
C7313 *
C7322*
C7321 *
C7329 *
R7311 *
R7310
* R7312
*
C
7308
*680P[
JC
](
G
S)
8200(
N
I)
R
7304 * R
7303 *
R
7307 *
C7310 *
R7301 *
GND_NICAM
R7309
*
C7330 *
C7332
$
C7312 0.1
C7315
*
K7306 *
R7308
*
R7302 *
C7309 *
C7307 *
(only ES35)
(only ES35)
(only ES35)
(only ES35)
(only
ES35)
(only ES35)
(only ES35)
(only ES35)
(only ES35)
C7326 *
X7301 *
RF_5V
MPEG_TU_L
MPEG_TU_R
MONO_FROM_TU
SIF
P_FAIL
I2C5_CLK
I2C5_DATA
C
7333
$(
D
V
B
)
C
7334
$(
D
V
B
)
R7315
$ (DVB)
R7313
$ (DVB)
R7314 $ (DVB)
R7317 $ (DVB)
C
7304
*
(EF
)
R7305 100
R7306 100
VHS
_
OUT
_
L
R7318 *
R7319 *
1
2
R
4520 820
SY
S_G
N
D
R4516
68K
R4515 68K
R4512 4700
R4509 4700
R4510 4700
R4507 4700
R4506
4700
R4505
4700
C4546
10V1
C4547
10V1
R7330 *
R7331 *
R4508
9100
R4511
9100
TW4502
(only ES35)
(only ES35)
(only ES35)
(only ES35)
(only ES35)
(only ES35)
(only ES35)
(only ES35)
DMR-EZ45VEB
65