Panasonic NV-SV120EF, Service Manual

Page: 93 / 135

8.8. DECODER SECTION IN MAIN SCHEMATIC DIAGRAM
1 2 3 4 5 6 7
A
B
C
D
F
E
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
8
TL7602
34 35 36 37 38 39 40 41 42 43 44
11
10
9
8
7
6
5
4
3
2
1
22 21 20 19 18 17 16 15 14 13 12
23
24
25
26
27
28
29
30
31
32
33
C7630
8200
C7628
0.1
C7624
0.1
1 2 3
IN GND OUT
(RESET)
IC7601
C0EAH0000051
R7619
100
R7620
100
TL7601
C7635
6V47
C7634
100P
LB7603
J0JCC0000124 R7628
10K
C7638
0.1
R7626
0
X7601
H0D245500011
L7607
2.2u R7615
0 C7625
0.01
IC7602
TDA9874AH
C7642
0.1
C7641
0.1
LB7604
J0JCC0000124
INPUT
SWITCH
AGC,
ADC
FM/AM
DEMODULATION
IDENTIFI-
CATION
DEMATRIX
2 CHANNEL
ANALOG/
SATELLITE
DECODER
DIGITAL
SELECTOR
IIC BUS
INTERFACE
NICAM
DEMODULATION
NICAM
DECODER
LEVEL
ADJUST
IIC BUS
INTERFACE
POST FILTER
3 DACS
ANALOG CROSSBAR
SWITCH
2 CHANNEL
OUTPUT
BUFFERS
MONO
CHANNEL
OUTPUT
BUFFERS
SYS CLK VDDD3 VSSD3 P1 MONO IN EXTIR EXTIL VREF2 P2 OUT M VSSA4
SIF2
VREF1
SIF1
CRESET
VSSA3
VDDA3
SCL
SDA
SDO
WS
SCK
TP1
NICAM
TP2
VDEC2
VSSD2
VDDD1
VSSD1
VSSA1
VDDA1
OUT R
OUT L
TEST1
VDDA2
VSSA2
VDDR2
1 REF
TEST2
TP3
XTAL I
XTAL O
ADDR1
PCLK
TL7603
C7654
10P
C7653
10P
AUDIO SIGNAL PATH
3.3 2.0 1.6 1.6 0.4
4.8 1.2 4.9 2.4 2.4 2.4 2.4 4.9 2.5
0.4
0
4.8
4.9
2.5
2.5
4.9 4.9
R7618
100
LB7601
J0JCC0000080
C7631
0
R7623
0
C7621
50V2.2
C7647
6V100 C7648
0.01 C7622
0.1
L7608
1u
R7630
220 R7637
220 C7651
16V10 L7609
0
R7631
220 C7645
16V10
R7632
220 C7646
16V10
A TUNER AUDIO (R)
TUNER AUDIO (L) A
R TUNER AUDIO (N)
S SYS IIC DATA
SYS IIC CLOCK S
REG 5V R
GND R
SIF R
R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
A :TO Hi-Fi AUDIO SECTION
2.0
1.2
1.2
2.0
2.0
2.0
4.9
4.9
4.8
4.6
1.2
1.2
1.2
NV-SV120EF
DECODER SECTION SCHEMATIC DIAGRAM
48