Panasonic NV-MV20EG Service Manual page 134

P :TO POWER TRANSFORMER SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
V :TO LUMINANCE & CHROMINANCE/AUDEIO SECTION
I :TO INPUT/OUTPUT SECTION
T :TO TIMER SECTION
G
P UNREG -29V
L
S FIP
T FIP -29V
S SLEEP H
F
P UNREG 36V
P UNREG 14V
P UNREG 6V
R1024
5600
Q1001
2SD602A
(BUFFER)
P HEATER DC(+)
-17.0 -17.0
R1006
-16.2
5600
E
P HEATER DC(-)
R1005
5600
P GND
S V GND
I T GND
S V T GND(SYS)
S T GND(FIP)
S GND(CTL)
S GND(FG)
S GND(MOTOR)
V GND(A)
V GND(HA)
D
V GND(V)
V GND(NA)
I GND(AV)
T HEATER(+)
C
S POWER OFF L
S REG 5V
V VIDEO 5V
S I PS 12V
S V PS 5V
V BIAS 5V
S T N.SW 5V
B
V AUDIO OUT A1
I RFC VIDEO OUT A2
S SYS IIC CLOCK A3
S SYS IIC DATA A4
S SW2 A5
S AFC S-CURVE A7
V TUNER VIDEO A8
V TUNER AUDIO A9
S AUDIO DEF H A10
A
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.
1 2
VIDEO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
Q1013
2SD601A
(FIP ON/OFF CONTROL)
-30.7 -30.7
C1026 R1026
R1003
0.1 27K 6800 5.2 R1027 R1028
3300 3300
5.2
0
5.2
Q1005
2SC1959Y
(12V REG.)
15.6 12.3
C1008
0.1 13.1
C1004 D1003
25V47 MA4130NL
Q1009
2SC1959Y
(5V REG.)
5.9 5.2
C1019
0.1
6.0
Q1008
2SC1959Y
(5V REG.)
5.9
C1018
0.1
6.0
C1016 D1011
16V100 MA4051NM
D1012
MA165
Q1007
2SC1959Y
(5V REG.)
5.9 5.3
5.9
Q1002 Q1006
2SC1959Y 2SC1959Y
(5V REG.) (5V REG.)
5.9 5.2 5.9 5.1
R1008 C1003 C1009
R1009
470 0.1 0.1
5.9 5.9
470
C1002 D1002 C1011 D1005
25V47 MA4056NH 25V47 MA4056NH
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
3 4
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
Q1003
2SB710A
(POWER SAVE CONTROL)
37.1 37.1
R1001 R1014
L7601
33K 4700 36.4
27u
R1016
10K
QR1003
C1025
UN2112
0.1
(FIP :ON)
L
L7602
27u
R1013 R1015
10K 10K
12.3
QR1004
L7605
0
UN2111 2.2u
(POWER ON/OFF
CONTROL)
12.2
5.1
R1022 R1025
150 150
0
QR1005
4.8
UN2211
(POWER ON:ON)
L7606
0
0
R7610
68K
0.6
A10
5 6
R7603
C7603 C7605
J0JBC0000041
6V100 0.01
A1
R7606
100
R7605
C7604
100
6V100
L7603
27u
A2
R7608
100
A3
C7609
33P
R7607
100
A4
C7610
33P
C7614 C7615
6V100 0.01
R7612 R7611
330 330
C7607 D7601
50V1 MA4300M
(C/E)
A5
C7619 K7611
0.1 J0JBC0000041
A7
C7617
0.01
(A/B/D) R7614
Q7601
150
2SD601A
(MUTE) A8
R7613
150
A9
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
ORDER A PART,PLEASE REFER TO PARTS LIST.
7 8
TUNER UNIT
TU7601
ENG47327G1:A/D
ENG47328G1:B
ENG47329G1:C/E
1 N.SW 5V
2 AUDIO OUT
3 DATA
4 PS 5V
5 CLOCK
6 VIDEO OUT
7
C7611
33P
8 AGC
C7612
0.1
9 BT
10
11 CLOCK
12 DATA
13
14 REG 5V
15 SW1
16 BTL 30V
17 IF OUT
18 IF IN
DU7601
19 SW1 PK0701-1
20 SW2 PK0701-2
21 TUNER AUDIO PK0701-3
22 PK0701-4
23 AFC S-CURVE PK0701-5
24 TUNER VIDEO PK0701-6
25 REG 5V PK0701-7
26 PK0701-8
27 GND PK0701-9
NV-MV20EG/EB/EBL,
MV15EG/EP
POWER SUPPLY/RF
SECTION SCHEMATIC DIAGRAM
9 10