Panasonic NV-FJ621B, Service Manual

Page: 30 / 92

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
C7317
16V10
R7324
220
TL7304
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
R7327
8200 C7316
0.1
C7315
0.1
QPSK/SIF
GND
TUNER AUDIO (N)
TUNER 5V
1
2
3
4
5
6
7
PK7301
TO POWER SUPPLY/RF SECTION PK7301 (C-10)
PK7302
SYS IIC DATA
SYS IIC CLOCK
2
1
3
4
5
6
TO POWER SUPPLY/RF SECTION PK7302 (B-10)
TUNER AUDIO (R)
GND
TUNER AUDIO (L)
L7301
0
1 2 3
IN GND OUT
(RESET)
IC7302
PST7043
R7305
100
R7306
100
C7312
0.1 C7308
50V2.2
C7304
6V100
1
2
3
FL7301
VLF0633
TL7303
C7318
6V47 LB7303
0 R7316
10K
C7313
0.1
R7325
0
X7302
VSX0953
L7302
1u
C7302
6V100
C7307
0.01 R7302
0 C7311
0
IC7301
TDA9874AH
R7328
220
C7319
16V10 C7320
16V10
R7329
220
C7324
0.1
C7325
0.1
LB7301
0
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
TL7301
C7341
4700P
C7342
4700P
C7306
33P
C7305
33P
AUDIO SIGNAL PATH
C7301
0.01
C7303
0.01
(E/F)
(C/D)
3.3 2.0 1.6 1.6 0.4
2.0
2.0
2.0
4.9
4.9
4.8
4.6
1.2
1.2
1.2
1.2 4.8 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
1.6
0
4.9
4.8
4.6
0
0