1
2
3
4
5
6
7
A
B
C
D
E
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
8
9
10
A
TUNER AUDIO (R)
A
TUNER AUDIO (L)
S
AUDIO DEF
S
SYS IIC DATA
S
SYS IIC CLOCK
V
TUNER AUDIO (N)
V
TUNER VIDEO
S
AFC S-CURVE
I
RFC VIDEO OUT
F
G
A5
A4
A3
A1
A2
A6
A8
A7
A10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
N.SW 5V
AUDIO OUT
CLOCK
DATA
TUNER 5V
BTL 30V
IF OUT
IF IN
TU7601
TUNER UNIT
ENG47327G1:EG/EGY
ENG47329G1:EE
SIF/QPSK
AFC S-CURVE
TUNER VIDEO
GND
19
20
21
22
23
24
25
26
27
PK0701-1
PK0701-2
PK0701-3
PK0701-4
PK0701-5
PK0701-6
PK0701-7
PK0701-8
PK0701-9
DU7601
TO TV DEMODULATOR
PACK PK0701(D-1)
TUNER AUDIO (N)
3
GND
2
1
SIF/QPSK
4
5
6
TUNER 5V
7
L7608
0:EG/EGY
2.2u:EE
PK7301
TO DECODER PACK
PK7301(F-1):EG/EGY
TO NICAM DECODER PACK
PK7301(D-1):EE
1
2
3
4
5
6
SYS IIC CLOCK
SYS IIC DATA
TUNER AUDIO (R)
GND
TUNER AUDIO (L)
PK7302
TO DECODER PACK
PK7302(D-1):EG/EGY
TO NICAM DECODER PACK
PK7302(C-1):EE
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
T
N.SW 5V
BIAS 5V
V
PS 5V
A
PS 12V
I
REG 5V
S
VIDEO 5V
V
S
S
A
S
POWER OFF
UNREG 6V
P
GND (CYL)
S
GND (MOTOR)
S
GND (FG)
S
GND (A)
I
GND
T
GND
I
GND
A
GND
V
GND
S
GND
P
UNREG 14V
P
UNREG 36V
P
UNREG -29V
P
FIP -29V
T
SLEEP
S
FIP
S
HEATER (+)
T
HEATER DC (+)
P
P
HEATER DC (-)
:TO POWER TRANSFORMER SECTION
:TO SYSTEM CONTROL & SERVO SECTION
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
:TO Hi-Fi AUDIO SECTION
:TO INPUT/OUTPUT SECTION
:TO TIMER SECTION
R1006
10K
R1007
10K
R1011
5600
Q1002
2SD602A
R1003
56K
R1004
56K
R1009
22K
R1008
22K
Q1006
2SD601A
QR1001
UN2112
R1027
10K
Q1007
2SC1959Y
C1011
0.1
D1005
0
C1010
25V47
D1008
MA4130NL
D1012
0
R1001
68K
R1002
68K
R1023 10K
Q1010
2SC1959Y
Q1001
2SC1959Y
C1001
0.1
C1012
10V22
D1004
MA4056NH
D1010
0
Q1011
2SD601A
R1029
5600
Q1003
2SC1959Y
C1003
0.1
C1002
10V47
D1003
MA4056NH
D1002
0
R1012
470
R1025
4700
R1026
10K
Q1008
2SB710A
QR1002
UN2211
C1006
0.1
Q1004
2SC1959Y
R1017
470
C1008
25V47
D1006
MA4056NH
D1007
0
Q1005
2SD602A
R7607
330
R7606
330
C7603
6V100
L7602
27u
C7615
33P
R7611
470
C7614
33P
R7610
470
C7616
6V100
C7617
0.01
L7604
2.2u
LB7602
0
C7610
50V1
D7601
MA4300M
A1
A2
L7605
0
L7607
0:EG/EGY
10u:EE
A6
A7
A8
R7613
150
R7608
150
R7614
100
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
ORDER A PART,PLEASE REFER TO PARTS LIST.
DATA
PS 5V
CLOCK
VIDEO OUT
R7601 0
R7605 100
R7604 100
L7603 27u
C7604
6V100
L7601
33u
C7625
2200P
C7626
2200P
C7623
0.01
(EE)
A
RFC AUDIO OUT
A11
R7615
100
(EE)
(BUFFER)
(FIP ON/OFF CONTROL)
(FIP
:ON)
(12V REG.)
(5V REG.)
(5V REG.)
(5V REG.)
(POWER SAVE:OFF)
(5V REG.)
(5V REG.)
37.9
37.9
37.2
4.9
0
-29.4
-29.3
5.2
5.2
5.2
0
17.9
12.3
12.9
5.7
5.6
5.0
5.7
0
5.6
5.1
5.7
5.7
5.1
5.7
5.7
5.0
5.7
5.7
5.2
5.9
-16.3
-16.4
-15.7
A5
A4
A3
R7618
56K
0
4.8
QR7601
UN2215
(MUTE)
(EG/EGY)
TUNER 5V
A11
A10
C1025
0.1
C1026
0.1
R1010 10K
R1016
1K
R1015
1K
R1030
5600
S
SW2
A9
SW2
SW1
SW1
A9
C7620
0.1
(EE)
C7613
0.01
C7627
0.01
(EE)
P
S
V
A
I
T
L
L
H
H
L
(POWER OFF
:ON)
H
(SLEEP
:OFF)
L
NV-FJ623EG/EGY,FJ628EE
POWER SUPPLY/RF
SECTION SCHEMATIC DIAGRAM
L7609 10u
R7616 0
Summary of Contents for NV-FJ623EG
Page 19: ...3 3 7 LOCATION OF TEST POINTS CONTROLS 3 3 8 CIRCUIT BOARD LAYOUT ...
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