S3.4. Analog Audio Block Diagram; S3.4.1. Analog Audio Block Diagram (1 - Panasonic DMR-EZ49VEG Service Manual

S3.4. Analog Audio Block Diagram

S3.4.1. Analog Audio Block Diagram (1)

DIGITAL IF P.C.B.
P59001 P9703 MIX R OUT DM
FROM 41
DIGITAL P.C.B.
P59001 P9703 MIX L OUT DM
39
JK3901
21 PIN JACK
AUDIO IN ch2(R)
2
AV1
(TV) AUDIO IN ch1(L)
6
AUDIO IN ch2(R)
2
AV2
(DECODER/EXT) AUDIO IN ch1(L)
6
JK4801
FRONT INPUT JACK
PP4801 PS6002
3
LINE
2
(Rch)
1
AV3
AUDIO
(FRONT) PP4801 PS6002
5
LINE
(Lch/MONO)
4
FRONT JACK P.C.B.
PS90001 P7401 DEC AUD R
3
FROM
Backend P.C.B.
DEC AUD L
PS90001 P7401
1
FROM D3R8VL
P9104 P6004
5 VDD
DIGITAL IF P.C.B. 10
IC7304
(REG. +1.5V)
[ Only for EG model ]
3
CNT
1 VIN VOUT 5
REG. +5.8V
SYSTEM CTRL SECTION
IC6001- 62
IC7801
(REG. +5V)
[ Only for EG model ]
1 VIN
TU7801
U/V TUNER
3 CONT
ACT_TV_5V 1 5 VOUT
SIF OUT 6
AUDIO OUT
7
SDA
10
SCL 9
DIGITAL IF P.C.B.
FROM
P59001 P9703 IEC OUT
DIGITAL
44
P.C.B.
MAIN P.C.B.
IC3901
(A/V SIGNAL PROCESSOR)
P9103 P6003 DAC Rch
56
19
P9103 P6003 DAC Lch
64
17
AV1 Rch
52
AV1 Lch
60
AV2 Rch
53
AV2 Lch
61
F_INPUT_R
AV3 Rch
50
7
F_INPUT_L AV3 Lch
58
5
TU2 A RIN
51
TU2 A LIN
59
IC7302
(REG. +1.5V)
[ Only for EG model ]
OUT
4
36 TU_P_ON_H
G_TU_R_A
TUN Rch
54
G_TU_L_A
TUN Lch
62
IC7301
(AUDIO MULTIPLEXER)
34 23
[ Only for EG model ]
RS1B AVDD1.5V
7
18 SIF2 AOUTR RF OUT
OPEN
76
2
AOUTM
AOUTL 12
(SA1R)
a
BUFF.
b
c LPF MUTE
d
e
OUTPUT
SELECT SWITCH
(SA3R) (SA4R)
a a
b b
ADC Rch
c c AGC
AMP
d d
e
(SA18R) (SA2R)
BUFF.
AV4 a
BUFF.
b
TUN c LPF MUTE
d
e
(SA2L)
a
BUFF.
b
c LPF MUTE
d
e
OUTPUT
SELECT SWITCH
(SA3L) (SA4L)
a a
b b
ADC Lch
c c AGC
AMP
(SA18L) d d
BUFF. e
AV4
TUN
(SA1L)
a
BUFF.
b
c LPF MUTE
d
e
IIC BUS
LOGIC
(SA17R)
(SA17L)
+
MUTE VCA
MIX
I2C_DATA
I2C_CLK
S-11
:REC SIGNAL :PB SIGNAL
JK3901
21 PIN JACK
AV1 Rch AUDIO OUT Ch2(R)
72
AUDIO OUT Ch1(L)
ADC Rch
79
AV2 Rch AUDIO OUT Ch2(R)
74
AUDIO OUT Ch1(L)
AV2 Lch
73
P6003 P9103
AADC_R P9703
13
ADC Lch P6003 P9103 AADC_L P9703
78
15
AV1 Lch
71
5V
2.3V
1.0V
SCL IIC CLK
TO/FROM
88
IC6001- 71 IC3001- 73 ,
SYSTEM
SDA IIC DATA CONTROL &
89
SERVO SECTION
IC6001- 72 IC3001- 74 ,
VCR_R_IN
55
VCR_L_IN
63
QR4911
QR4913
FM MUTE H
MUTE MUTE
IC6001- 25
QR4912
MUTE
DMR-EZ49VEG/EC/EB
Analog Audio (1/2) Block Diagram
1
AV1
(TV)
3
1
AV2
(DECEODER/EXT)
3
AADC_R
A
AADC_L
B
P59001
31
TO
DIGITAL P.C.B.
P59001
29
MIX_R_OUT_DM
C
MIX_L_OUT_DM
D
IIC_CLK
E
IIC_DATA
F
VHS_OUT_R
G
VHS_OUT_L
H
FROM
SYSTEM & CONTROL
SERVO SECTION
IC9700
OPTICAL
(DIGITAL AUDIO OUT)
1