Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic DVD DMR-E75VEB DSD0404006C2 doc scd_a43
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22.5. Hi-Fi Audio Section (Main P.C.B.(2 / 3)) Schematic Diagram (A)
V BOOSTER+5V BOOSTER+5V
V PS5V PS+5V
BTL+30V
X SW+5.8V
H QR7401
UNR511200L R7401 R7402
(SW L :ON) 330 330
S UNREG 38V UNREG.+38V
A1 D7401 C7415
MAZ4300NMF 50V1
A2 R7433
S IIC DATA A3 100K Q7401 R4556
S IIC CLK A4 2SD1819A0L 10K
S AUDIO HEAD SW A5 (VTR P ON H :ON)
S D REC H A6
S ABS NORM L A7 A16
V AUDIO HEAD L A8
V AUDIO HEAD R A9
V AUDIO HEAD COM A10 K7402
V AV2 IN R A11
E75VEB
QR7402 C4519 R
V AV2 IN L A12 UNR511200L R7403 R7404 0.015 12
V AV1 IN R A13 (SW L :ON) 330 330
V AV1 IN L A14
G V CONV VIDEO A15
D7402 C7424
LB7402 J0JHC0000032 MAZ4300NMF 50V1
S X SW 5.8V R7434
LB7401 J0JHC0000032
S VTR P ON H
LB7403 J0JHC0000032
100K Q7402
S JC P ON H 2SD1819A0L
(JC P ON H :ON)
E75VEG
32
A17
X SW+5.8V A18
V A 5V A+5V
S REG12V L4502 C4520
1.2u 6V22
Q4501 33
V PY OUT B1AAGD000006
V PB OUT (REG.A+5V) C4521
D4502 C4545 C4544 R4555
F V
S
PR OUT
YOUT DM
MAZ4056NHF 6V22 0.01 820 16V10
34 PNR RCH
R4522 4700
S GPYOUT DM
S PBOUT DM C4522 C4523 R4523
S PROUT DM REG.+12V 10V33 0.047 510
S AADC R 35
S AADC L
S ANA5V Q4502 R4524
S X SW13V B1AAGD000006 1K
(REG.+12V) C4547 36 MUTE
D4503 C4546 CONTROL
25V
TO PS43001 MAZ4130NLF 0.01
I/O P.C.B. 4.7
R4525
P4501 30K
X SW 13V 1 X SW+13V REC AGC
37 ADJ.
REG5V 2
E75VEB
AADC IN L 3
E AADC IN R 4 QR4502
5 UNR511300L 38 GND(R)
PROUT DM 6 (RFC MUTE DRIVE) QR4504
PBOUT DM 7 UNR521600L
GPYOUT DM 8 (RFC MUTE H :ON)
V GND 9 39
YOUT DM 10 C4549 R4519
V GND 11 16V10 220
PR OUT 12
PB OUT 13 40 VCC(5V)
PY OUT 14
RGB H 15 C4524
6V100
AUDIO MUTE2 H 16
MIX L OUT DM 17 QR4501 41
MIX R OUT DM 18 UNR511300L
(FM MUTE DRIVE) 1 2 R4526
D 1K
S MIX R OUT DM QR4503 A1 42
S MIX L OUT DM XN0121600L IIC BUS
V AUDIO MUTE2 H (FM MUTE H :ON) R4527 INTERFAC
S RGB H 1K
S REC A MUTE H 5 4 3 A2 43
S FM MUTE H
S I2C5DT C4526
S I2C5CK 16V10
S DVD OUT H 44
V LINE OUT R
V LINE OUT L V FSC 45 VCOFO
S AU5V S AUDIO AV3 IN L
S AUDIO AV3 IN R
C S
V
VHS TUN H
VIDEO TUNER OUT 46
TO PS43002 TO PS43003
I/O P.C.B. I/O P.C.B.
P4502 P4503 47
I2C5CK 1 B1 VHS R OUT 1 B11
I2C5DT 2 B2 VHS L OUT 2 B12
AU 5V 3 V GND 3
RF AUDIO OUT 4 VIDEO TUNER OUT 4 B13 48
LINE OUT L 5 V GND 5
LINE OUT R 6 DVD TUNER OUT 6 B14
GND 7 VHS TUN H 7
MIX R OUT 8 B3 DVD DECODER L 8 B15
MIX L OUT 9 B4 DVD DECODER R 9 B16
VTR P ON H 10 A GND 10 B17 49
B DVD OUT H
DVD OUT L
11
12
VHS DECODER L
VHS DECODER R
11
12
B18
B19
DVD OUT R 13 A GND 13 B20
PS12V 14 AUDIO AV3 IN R 14 B21
VHS/DVD TUN.VIDEO 15 AUDIO AV3 IN L 15 B22
DECODER L 16 X SW 5.8V 16
DECODER R 17 SCART IN L 17
JC P ON H 18 SCART IN R 18
V DECODER R V SCART IN R
V DECODER L V SCART IN L
V VHS/DVD TUN.VIDEO
V PS12V V VGND
V DVD OUT R V HA GND
V DVD OUT L V S REF GND
A S AFC S-CURVE(DVD)
V NORMAL AUDIO OUT
B5
B6
V
S
A GND
AU GND
V NORMAL AUDIO IN B7
V TU AUDIO IN B8
S AFC S-CURVE B9
V DVD TUNER OUT B10
1 2 3 4 5 6 7
88
A
A6 A7 A5 A8 A9 A10 D
BOOSTER+5V B
PS+5V C
D
BTL+30V E
X SW+5.8V F
S:Syscon/Servo/Timer Section(Page: C )
R4532
680 A:Hi-Fi Audio Section(Page: D )
D4501
V:Video Section(Page: E )
B0AAED000003
TL4501
PB-FM ENV A H SW FM MIX OUT
TW4502 TW4503 TW4501
C4519 R4521 C4518 C4516 C4515 C4513 C4512 C4511 C4510 C4509 C4508
0.015 120K 0.22 0.1 0.1 0.01 0.01 0.033 0.015 16V22 16V10
R4520
0
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 R4518
REC
4700
DC2
VCC
GND
ENV.DET
HIF/NOR
(5V)
HOLD
OUT
TIMING
PREAMP C4504 R4517
& 0.047 510 C4505 10V33
SWITCH PNR
33 16
LCH
R4515 56K
A12
R4512 4300
34 PNR RCH SW SW 15
NOISE NOISE
R4513 56K
A14
LCH R4511 4300
35 AGC AGC & 14
SWITCH
INPUT R4510 9100
36 MUTE + SELECT 13
CONTROL
SWITCH R4503 22K
LCH B17
C4503 16V10
REC AGC
37 ADJ. LPF LPF 12
FM FM
RCH MODULATOR/ MODULATOR/
AGC & DEMODULATOR DEMODULATOR
SWITCH RCH LCH
38 GND(R) RCH LCH GND
11
BPF BPF (L)
R4516 56K
A11
R4509 4300
39 10
R4514 56K
A13
R4508 4300
40 VCC(5V) 9
INPUT R4507 9100
41 SELECT 8
SWITCH R4504 22K
RCH B19
C4502 16V10
42 7
IIC BUS
INTERFACE
C4501 16V10
43 OUTPUT OUTPUT 6
SELECT SELECT
SWITCH SWITCH
RCH LCH
44 5
R4506 4300
45 VCOFO 4
R4501 56K
B22
46 3
NORMAL R4505 4300
47 OUTPUT 2
SWITCH R4502 56K
B21
48 1
VCC(12V)
VCC(5V)
GND
IC4501
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 AN3656NFBPBV
(AUDIO PROCESSOR)
C4529 C4531 C4530 C4533 C4534
16V10 16V47 16V10 0.01 0.1
R4560 6800
R4557 4700
R4530 4700
R4559 39K
R4558 68K
R4554 68K
R4528 R4531
1K 1K
B11 B12 B6 B7 B3 B4
G
DMR-E75VEB/EG Hi-Fi Audio Section (Main P.C.B.(2/3)) Schematic Diagram (A)
H
7 8 9 10 11 12 13
88
A
B BOOSTER+5V
C PS+5V
D
E BTL+30V
F X SW+5.8V
TU7401
ENV57G05G3F:E75VEG
ENV87G01G3F:E75VEB
VHS TUNER
LB7416
J0JHC0000032 L7402
C7403
1 1 BOOSTER+5V
C7425 C7426
6V47 0.01
8 7 6 5 2 AUDIO IN
BIAS 3 NC
TERMINAL
DRIVER 4 NC
SHUTDOWN
IC7401
C0CBCDD00006 CURRENT
(REG.+5V) LIMITTER 5 NC
REFERENCE
6 NC
GND 7 NC
1 2 3 4
8 NC
C7401 C7402
1 0.1 9 NC
10 NC
R7405
470
A4 11 SCL
R7406
A16 470
A3 12 SDA
A17 C7406
0.1 C7412 C7413
C7407 33P 33P
1 13 NC
LB7404
J0JHC0000032 L7409
8 7 6 5 14 REG+5V
C7417 C7418
6V100 0.01
BIAS 15 NC
LB7415 0
TERMINAL
DRIVER 16 BTL+30V
SHUTDOWN
IC7402
C0CBCDD00006
TV TUNER
(REG.+5V) CURRENT
LIMITTER 17 IF OUT
REFERENCE
18 IF IN
GND 19 NC
1 2 3 4
20 NC
C7404 C7405
1 0.1 21 TUNER AUDIO
L7401
2.2u
22 SIF OUT
B9 23 AFC S-CURVE
R7408
0
B13 24 TUNER VIDEO
LB7405
J0JHC0000032
C7456
0.1 25 REG+5V
C7457 C7414 C7422
1 6V47 0.01
26 NC
DU7401
8 7 6 5
VIF
27 GND
BIAS
TO
TERMINAL
NICAM DECODER(B)P.C.B.
DRIVER
SHUTDOWN
TO PK7301
PK7401
CURRENT
IC7405 LIMITTER 1 SIF
C0CBCDD00006 REFERENCE
2 GND
(REG.+5V) B8 3 TU AUDIO IN
C7465 4
LB7406 470P 5
0 L7407 6
GND 7 JC 5V
1 2 3 4
C7430 C7431
6V47 0.01
TO PK7302
PK7402
R7410 220
1 SCL
C7454 C7455 R7411 220
2 SDA
1 0.1
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