8.2.
POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
UNREG -29V
P
P :TO POWER TRANSFORMER SECTION
:TO SYSTEM CONTROL & SERVO SECTION
S
V :TO LUMINANCE & CHROMINANCE/AUDEIO SECTION
:TO INPUT/OUTPUT SECTION
I
:TO TIMER SECTION
T
Q1013
2SD601A
(FIP ON/OFF CONTROL)
FIP
S
T
FIP -29V
S
SLEEP
UNREG 36V
P
R1001
33K
R1014
4700
(POWER SAVE CONTROL)
Q1003
2SB710A
R1016
10K
UNREG 14V
P
C1025
0.1
(12V REG.)
Q1005
2SC1959Y
C1008
0.1
C1004
25V47
D1003
MA4130NL
HEATER DC(+)
P
UNREG 6V
P
R1024
5600
(5V REG.)
Q1009
2SC1959Y
C1019
0.1
Q1008
2SC1959Y
C1018
0.1
(5V REG.)
C1016
16V100
D1011
MA4051NM
D1012
MA165
R1013
10K
R1015
10K
R1022
150
R1025
150
QR1004
UN2111
(POWER ON/OFF
CONTROL)
QR1005
UN2211
(POWER ON:ON)
POWER OFF
S
REG 5V
S
VIDEO 5V
V
PS 12V
I
S
PS 5V
V
S
R1009
470
(5V REG.)
Q1006
2SC1959Y
D1005
MA4056NH
C1011
25V47
(5V REG.)
Q1007
2SC1959Y
C1009
0.1
BIAS 5V
V
N.SW 5V
T
S
(5V REG.)
Q1002
2SC1959Y
D1002
MA4056NH
C1002
25V47
L7601
27u
C7603
6V100
L7602
27u
C7604
6V100
L7605
2.2u
C7614
6V100
R7612
330
R7611
330
AUDIO OUT
V
C1003
0.1
R1008
470
I
RFC VIDEO OUT
S
SYS IIC CLOCK
S
SYS IIC DATA
S
SW2
S
AFC S-CURVE
V
TUNER VIDEO
A1
A2
A3
A4
A5
A7
A8
R7603
J0JBC0000041
R7606
100
R7605
100
R7608
100
C7609
33P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
R7607
100
C7610
33P
C7607
50V1
D7601
MA4300M
A5
A4
A3
A2
A1
C7619
0.1
(C/E)
19
20
21
22
23
24
25
26
27
DU7601
SW1
SW2
AFC S-CURVE
TUNER VIDEO
REG 5V
GND
PK0701-1
PK0701-2
PK0701-3
PK0701-4
PK0701-5
PK0701-6
PK0701-7
PK0701-8
PK0701-9
TO TV DEMODULATOR
PACK PK0701(D-1)
TU7601
ENG47327G1:A/D
ENG47328G1:B
ENG47329G1:C/E
TUNER UNIT
A7
C7617
0.01
(A/B/D)
A8
R7613
150
R7614
150
S V
I T
S V
V
V
P
T
T
S
S
S
V
V
GND
GND
GND
GND(SYS)
GND(FIP)
GND(CTL)
GND(FG)
GND(MOTOR)
GND(A)
GND(HA)
GND(V)
GND(NA)
L7606
0
N.SW 5V
AUDIO OUT
DATA
PS 5V
CLOCK
VIDEO OUT
CLOCK
DATA
REG 5V
SW1
BTL 30V
IF OUT
IF IN
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.
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.
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
L7603
27u
-30.7
-30.7
5.2
37.1
37.1
36.4
15.6
12.3
13.1
5.9
5.2
6.0
5.9
5.1
6.0
S
I
GND(AV)
5.2
5.9
5.9
5.9
5.3
5.9
5.1
5.9
5.9
12.3
12.2
0
0
4.8
)
T
HEATER DC(-)
P
R1005
5600
R1006
5600
(BUFFER)
Q1001
2SD602A
-17.0
-17.0
-16.2
R1027
3300
R1028
3300
C1026
0.1
R1003
27K
R1026
6800
5.2
5.2
0
QR1003
UN2112
(FIP :ON)
C7605
0.01
C7615
0.01
K7611
J0JBC0000041
C7611
33P
AGC
V
TUNER AUDIO
A9
A10
AUDIO DEF
S
TUNER AUDIO
A9
Q7601
2SD601A
(MUTE)
R7610
68K
0
0.6
A10
C7612
0.1
BT
H
L
L
L
H
NV-MV20EG/EB/EBL,
MV15EG/EP
POWER SUPPLY/RF
SECTION SCHEMATIC DIAGRAM
40
