Hi-Fi Audio Section (Main P.c.b.(2/3)) Schematic Diagram - Panasonic DMR-E75VP Service Manual

22.5. Hi-Fi Audio Section (Main P.C.B.(2/3)) Schematic Diagram (A)
S CPN C IN2
S CPN Y IN2
S AU5V
G
TO PS43001
I/O P.C.B.
P4501
1
2
AU5V 3
AUDIO L1 IN L 4
AUDIO L1 IN R 5
6
CPN Y IN2 7
CPN C IN2 8
L2 DET 9
AUDIO L2 IN R 10
AUDIO L2 IN L 11
X SW 13V 12
AUDIO TUN IN L 13
AUDIO TUN IN R 14
DVD P OFF L 15
F
ADC R 16
ADC L 17
A GND 18
S ADC L
S ADC R
S L2 DET
V AUDIO L1 IN R A5
V AUDIO L1 IN L A6
S AUDIO L2 IN R A7
S AUDIO L2 IN L A8
R1353
100K
E
S UNREG 38V
S VTR P ON H
S DVD P OFF L A10
R1352
100K
V NORMAL AUDIO IN A11
D
S IIC DATA A12
S IIC CLOCK A13
S FM MUTE H A14
S X SW 13V
S X SW 5.8V
R4601 C4601
24K 35V10
V NORMAL AUDIO OUT A17
S DVD OUT H
C
V AUDIO MIX R OUT A18
V AUDIO MIX L OUT A19
S I2C5CK A20
S I2C5DT A21
V DVD TUN VIN A22
A46
A47 A25
S SCURVE 1
S SCURVE 0
B
S UNREG 6V
V FSC A23
V TUN.VIDEO IN1 A24
S REF GND
A
S REG.12V < REG.12V >
V A 5V < REG.A 5V >
1 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
LB7402
J0JBC0000015
C7409 C7405
0.01 6V47 L7401
A21
A20 A26 A28
R7416 1K
QR1352
C7401 D7402
UNR511200L 50V1 MAZ4300NMF
(REG.+30V)
8
Q1353
2SD1819A0L
POWER ON/OFF
SWITCH
CURRENT
QR1351
LIMITTER
UNR511200L
(REG.+30V)
Q1351
2SD1819A0L
POWER ON/OFF
1
SWITCH
LB7408 0
C7417 1
C7420
Q1341 1
B1AAGD000006
(REG.+12V)
C1341
R1341
0.01
R4309
10K
47K
C1342 D1341
50V4.7 MAZ4130NLF
QR4301
UNR521300L
(DVD OUT
C7426 0.1
C7428 6V47
LB7410
J0JHC0000032 R7403 2200
8 7 6 5
VCC OUT - +
IC7403
C0BBBB000006
C1351
Q1352
(AFC A/D)
0.01
B1AAGD000006 TL1002
(REG.A 5V) OUT - + VSS
R1351
820 1 2 3 4
C1352 D1351
K7409
6V22 MAZ4056NHF
C7425 0.01
L4501 1.2u
3 4 5
TU7401
ENG36716GF
U/V TUNER
19 20 21 22 23 24 25
K7410
K7408
0
A25
A31 A24
A10 A22 A32 A36 A35
C7407 35V10
C7406 35V10
LB7411
0
R7404
Q7401 680
2SB1218A0L
7 6 5
(TU VIDEO AMP)
BIAS
TERMINAL
DRIVER
SHUTDOWN
IC7401
C0CBCDD00006
(MAIN REG.+5V)
REFERENCE
GND
2 3 4
C7418
0.1
K7407
< REG.5V >
< REG.12V >
R4310
1K
C4301 35V10 R4301 1K
R4303 100K
H :ON) R4307 100K
R4311 C4305
1K 10V100
C4302 35V10
16 15 14 13 12 11 10
VDD R2 R1 R R0 R3 IN A
SW LOGIC
R7413 1K
R7414 15K
L0 L2 L L3 L1 INH VEE
1 2 3 4 5 6 7
R7411 13K
R7412 2200 R4308 100K
R4304 100K
R4302 1K
6 7
85
S:Syscon/Servo/Timer Section(Page: C )
A:Hi-Fi Audio Section(Page: D )
V:Video Section(Page: E )
< REG.5V >
A26 A28
FL4562
EFCT4R5MS5W
3
R4507
1K
C7314
1000P
R7308 R7303
330 10K
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18
Lch Rch
IIC BUS
DECODER DEMODULATOR
BLOCK BLOCK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C7303 C7301
R7301
0.1 50V2.2
10K
< REG.12V >
C4526
0.01
C4306
35V10
C4303
35V10
9
IN B 8 7 6 5
+12V
IC4302
C0ABBB000108
IC4301 (AUDIO BUFFER)
C0JBAR000285
(VTR/DVD SELECTOR SW) GND
1 2 3 4
C4304
35V10
VSS
8
C4307
35V10
< REG.A 5V >
< X SW5.8V >
DMR-E75VP Hi-Fi Audio Section (Main P.C.B.(2/3)) Schematic Diagram (A)
8 9 10
DMR-E75VP
D
A
A31
R4572
0
1
L7301
2
C7309
0.33
R7302 C7311
3.3K 0.22
17
IC7301
AN5832SA-E1V
(DECODER)
16
C7313 C7312
0.01 6V47
B
A37
A38
A39
A40
C
D
E
11