Panasonic NV-FJ623EC, Руководство по обслуживанию

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8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM
L
H
L
L
L
H
0.01
C7613
5600
R1030
1K
R1015
1K
R1016
R1010 10K
0.1
C1026
0.1
C1025
A10
A11
TUNER 5V
A4
A5
-15.7
-16.4 -16.3
5.9
5.2
5.7
5.7
5.0
5.7
5.7
5.1
5.7
5.7
5.1
5.6
0
5.7
5.0 5.6
5.7
12.9
12.3 17.9
0
5.2
5.2
5.2
-29.3 -29.4
0
4.9
37.2
37.9 37.9
(5V REG.)
(5V REG.)
:OFF) (SLEEP
(POWER SAVE:OFF)
:ON) (POWER OFF
(5V REG.)
(5V REG.)
(5V REG.)
(12V REG.)
:ON) (FIP
(FIP ON/OFF CONTROL) (BUFFER)
100
R7615
A11 RFC AUDIO OUT A
0.01
C7623
2200P
C7626
2200P
C7625
33u
L7601
6V100
C7604
L7603 27u
R7604 100
R7605 100
R7601 0
VIDEO OUT
CLOCK
PS 5V
DATA
ORDER A PART,PLEASE REFER TO PARTS LIST.
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
100
R7614
150
R7608
150
R7613
A8
A7
A6
10u
L7607
0
L7605
A2 A1
MA4300M
D7601
50V1
C7610
0
LB7602
2.2u
L7604
0.01
C7617
6V100
C7616
470
R7610
33P
C7614
470
R7611
33P
C7615
27u
L7602
6V100
C7603
330
R7606
330
R7607
2SD602A
Q1005
0
D1007
MA4056NH
D1006
25V47
C1008
470
R1017
2SC1959Y
Q1004
0.1
C1006
UN2211
QR1002
2SB710A
Q1008
10K
R1026
4700
R1025
470
R1012
0
D1002
MA4056NH
D1003
10V47
C1002
0.1
C1003
2SC1959Y
Q1003
5600
R1029
2SD601A
Q1011
0
D1010
MA4056NH
D1004
10V22
C1012
0.1
C1001
2SC1959Y
Q1001
2SC1959Y
Q1010
R1023 10K
68K
R1002
68K
R1001
0
D1012
MA4130NL
D1008
25V47
C1010
0
D1005
0.1
C1011
2SC1959Y
Q1007
10K
R1027
UN2112
QR1001
2SD601A
Q1006
22K
R1008
22K
R1009
56K
R1004
56K
R1003
2SD602A
Q1002
5600
R1011
10K
R1007
10K
R1006
:TO TIMER SECTION
:TO INPUT/OUTPUT SECTION
:TO Hi-Fi AUDIO SECTION
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
:TO SYSTEM CONTROL & SERVO SECTION
T
:TO POWER TRANSFORMER SECTION
HEATER DC (-) P
P HEATER DC (+)
T HEATER (+)
S FIP
S SLEEP
T FIP -29V
P UNREG -29V
P UNREG 36V
P UNREG 14V
P GND
S GND
V GND
A GND
I GND
T GND
I GND (A)
S GND (FG)
S GND (MOTOR)
S GND (CYL)
P UNREG 6V
POWER OFF S
S
S
A
A
I
V VIDEO 5V
S REG 5V
I PS 12V
I PS 5V
V BIAS 5V
N.SW 5V
T
I
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
VIDEO MAIN SIGNAL PATH IN REC MODE
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
IMPORTANT SAFETY NOTICE:
PK7302(C-1) TO NICAM DECODER PACK
PK7302
TUNER AUDIO (L)
GND
TUNER AUDIO (R)
SYS IIC DATA
SYS IIC CLOCK
6
5
4
3
2
1
PK7301(D-1) TO NICAM DECODER PACK
PK7301
2.2u
L7608
7 TUNER 5V
6
5
4
SIF/QPSK 1
2
GND
3 TUNER AUDIO (N)
PACK PK0701(D-1) TO TV DEMODULATOR
DU7601
PK0701-9
PK0701-8
PK0701-7
PK0701-6
PK0701-5
PK0701-4
PK0701-3
PK0701-2
PK0701-1
27
26
25
24
23
22
21
20
19
GND
TUNER VIDEO
AFC S-CURVE
SIF/QPSK
ENG47327G1
TUNER UNIT
TU7601
IF IN
IF OUT
BTL 30V
TUNER 5V
DATA
CLOCK
AUDIO OUT
N.SW 5V
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
A10
A7
A8
A6
A2
A1
A4
A5
G
F
RFC VIDEO OUT I
AFC S-CURVE S
TUNER VIDEO V
TUNER AUDIO (N) V
SYS IIC CLOCK S
SYS IIC DATA S
TUNER AUDIO (L) A
TUNER AUDIO (R) A
I
A
V
S
P
10 9 8
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
E
D
C
B
A
7 6 5 4 3 2 1
NV-FJ623EC/ECN
POWER SUPPLY/RF SECTION
SCHEMATIC DIAGRAM
L7609 10u R7616 0
32