Vhs Audio Section (Main P.c.b.(2/4)) Schematic Diagram (A) - Panasonic DMR-EH75VP Service Manual

13.11. VHS Audio Section (Main P.C.B.(2/4)) Schematic Diagram (A)

1 2 C4519
F
0.1
Q4502
B1AAGD000016
3
(2SC1959YT2M)
1
1
2
C4520
2 (MA4056N-HTA)
6V22
I V A_5V
I REF_GND
E
D
I VHS_R
I VHS_L
S MO_ST_BI
1
C
C
V:Video Section:(Page: )
D
A:VHS Audio Section:(Page: )
S:Syscon/Servo/Timer Section:(Page:
I:I/O Tuner Section:(Page: F )
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.
B
V L3_IN_R
V L3_IN_L
V L1_IN_L
V L1_IN_R
I DVD_OUT_R
I DVD_OUT_L
I S L2_IN_R
I S L2_IN_L
A
1 2
R4507
4700
2
1
3
R4504
2SB0710A0L
1
820[D]
D4502
1
MAZ4056NHF
2
L4501 1R2u
1
2
K4702
VWJ0795=20
C4538 0.01
C4525 16V100
E )
3 4
R4513
4700
1
2
QR4501
UNR521100L
2
Q4501 1
L4503
100u
C4524 0.1[KB]
2
1
1 1
2
1
2 1 2 1 2
1
1 2 1 2
IC4501
AN3656NFBPBV
VCO-f0
LOGIC ZZ-PROM
adj LOGIN
SUB LEVDET
SW20
H/S
AGC/ PNR Rch
MAIN OUT
SW NOISE
SW21
MTS VCC(5V)
SW9 Rch
VCO
AUDIO LIMTER
DC OUT R
REC LPF
MUTE
R
SW19 HIFI
SW18
R MIX PC PBLPF
L
R
DEC(R)SW
MUTE NOISE EDIT
NC
L
LINER SW
SW17
L SW16
GND R
DEC(L)SW
LED PORT L
Rch BPF
L
FMLMT
Lch BPF
VCC(12V)
PC PBLPF
DET
MIX
AUDIO LIMTER
SW13
MIX
SW22
SW4
SW2
NA0 SW NOISE REC LPF
PNR Lch
AGC/
Lch
SW1 VCO
S/H
NAI
COMP (EXT4)
INPUT SW(L)
(EXT4)
SUB REF
-29dBV
INPUT SW(R)
VREF1
1 2 1 2 1 2 1 2
1 1 1 1
R4516 47K
2 2 2 2
R4523 47K
R4509 47K
R4502 47K
R4503 47K
R4511 47K
1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2
5 6 7
79
2 2
1 1
C4522
0.047
1 2
R4522
510
CCA 0 R4534 120K
C4512 0.22[KB]
HIF/NOR
C4537 56P[GC][22] L4502 390u
R4529 680
PB FM IN 1 2 R4500
SW12
1K
D4501
PB
OUT
TW4502 B0AACK000004
VWJ0795=5
TL4507
ENVE
HPF
ENV
K4506
AH SW
C4511 0.1[KB]
HOLD T
AMP
HEAD
C4518 0.01
VCC
K4509
C4510 0.01
VWJ0795=10
K4507
AMP
VWJ0795=7.5
FM MIX
SW14
C4509 0.01
TW4501
DET VWJ0795=5
C4508 0.033[KB]
C4534 0.015[B]
CCAOUT
K4502
VWJ0795=10
C4507 6V22
NR REF
C4506 16V10
NR DET2
R4521 510
R4520 C4501
1 2 1 2
4700 0.047
1
C4505
2
6V33
K4504
R4518 75K VWJ0795=5
R4519 75K
1 2 1 2
8 9
DMR-EH75VP
D
DREC_H S
ABS_NORM_L S
A_H_SW S
AL V
AR V
A_COM V
A_GND V I
FM_GND V
TUN_R I
TUN_L I
DMR-EH75VP
VHS Audio Section
(Main P.C.B.(2/4))
Schematic Diagram(A)
10