Panasonic NV-HS870B, Service Manual

Page: 19 / 46

8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
N N
N
0.1
C3517
5.1 2.3
(4.9)
0.1
3.0 3.0
B1 B3
A EE
(4.8)
0
(0)
5.1
5.1
(4.2)
5.1
(5.1)
0.3
(-1.1)
0.3
(4.8)
0.3
(0.8)
0
1.2
(-22.8)
0.7
(4.3)
5.0
5.1
(4.8)
0.3
1.2
1.7
2.8 5.0 3.2 3.4 5.0 0
(4.9)
0.1
(2.9)
2.1
(2.9)
2.1
(2.9)
2.1
3.6 3.6 2.1
2.5
3.1
2.5 2.5
(0.6)
4.7 4.9
0 2.5 2.5
2.6 2.5
(4.7)
0.6 5.0
0 2.6 2.6
2.9
2.2
5.0
1.5
2.2
2.2
1.5
5.0
0
0
1.3
(0.6)
4.7
4.8
(4.9)
0.1
(0)
4.8
(4.7)
0.6
(0)
4.8
4.8
1.2
0
4.8
5.0
(-22.8)
0.7
(-13.7)
0
(-0.7)
0.4
(4.5)
0.4
(4.9)
0
(-22.6)
5.2
5.1
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
1K
R3512
B11
B9
B8
B7
B5 B4 B2
A22 A21 A20 A17 A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
3900
R3023
50V4.7
C3515
(OSC)
0
L3009
16V10
C3040
16V10
C3041
100
R3035
0.1
C3044
16V10
C3043
4.7
C3514
0
R3076
0
C3063
(AMP)
0
R3074
0
L3017
0
L3018
0
L3019
270P
C3504
3300
R3505
3300
R3506
270P
C3505
470
R3508
220P
C3503
1500
R3504
1K
R3507
82P
C3506
270P
C3508
1K
R3509
1500
R3502
0.1
C3516
6V47
C3507
2SB709A
Q3501
1200
R3503
2200
R3501
4.7
C3502
4.7
C3501
S LP
3900
R3022
4.7
C3512
4.7
C3509
390K
R3510
390
R3513
1200
R3511
(AMP)
2SB709A
Q3502
4.7
C3511
(V.EE :ON)
UN2113
QR3008
AN6308S
IC3503
82u
L3002
3300
R3005
S V.EE
(PB:ON)
UN2211
QR3007
UN2113
QR3006
(PB:ON)
S S-VHS
UN2213
QR3003
(VHS:ON)
(VHS:ON)
UN2113
QR3005
560
R3055
47P
C3057
180u
L3013
0
R3054
150P
C3058
56
R3053
(AMP)
2SD601A
Q3007
0
R3051
AN6308S
IC3502
0
R3047
2SB709A
Q3005
(AMP)
1800
R3048
22P
C3055
2700
R3049
1K
R3050
4.7u
L3012
(AMP)
2SD601A
Q3006
R BIAS 5V
100P
C4017
S PAL EP
S HEAD SW
S TRACKING ENV.
R GND (SYS)
R GND (HA2)
R GND (HA)
R GND
A AUDIO HEAD L
A AUDIO HEAD COM
A AUDIO HEAD R
(TO CYLINDER UNIT)
P5001
AUDIO HEAD R
AUDIO HEAD COM
AUDIO HEAD L
GND (HA)
SP L
SP COM
SP R
LP/EP L
LP/EP COM
LP/EP R
10
9
8
7
6
5
4
3
2
1
J0JBC0000070
LB4005
A GND (A)
R TUNER AUDIO (N)
S MUTE
ET REC S
A AUDIO IN (N)
A AUDIO OUT (N)
:OFF)
(D.A.REC
UN2111
QR4005
R N SW 5V
S D.A REC
4700
R4084
2200
R4085
(PB:ON)
2SD601A
Q4004
(PB:ON)
2SD1149
Q4003
(PAL EP :ON)
XN1215
QR4003
5
4
3
1
2
DRIVE)
(FULL ERASE
(FULL ERASE :ON)
(BIAS :ON)
(OSC)
GND
H L
VCC
6 5 4
3 2 1
C1AB00001340
IC3002
VCC
GND
L
H
8 6 5
4 3 2
7
1
VCC
GND
L
H
8 7 6 5
4 3 2 1
AN3293S
IC3501
VCC
PB REC
LP SP
GND
SUB EMPHASIS
LOGIC
14 13 12 11 10 9 8
7 6 5 4 3 2 1
16V10
C4024
4700
R4088
7500
R4081
220P
C4018
CTL HEAD (+) 6
CTL HEAD (-) 5
A.HEAD (W) 4
A.HEAD (R) 3
(TO A/C HEAD)
P4002
AUDIO ERASE IN 1
GND (NA) 2
2SD602A
Q4002 3300
R4082
6
4
1
0.15
C4019
2
EQQ7QF026P
T4002
3
4700P
C4021
(TO FULL ERASE HEAD)
P4003
2
1
FULL ERASE IN
FULL ERASE GND
S
S
S
S
S
FULL ERASE
BIAS
SHORT DET
CTL HEAD (-)
CTL HEAD (+)
0.022
C4022
2SB710A
Q4001
4700
R4087
68u
L4002
10V47
C4020
6800
R4086
10V22
C4023
MA165
D4001
UN2212
QR4006
4700
R4090
10V22
C4025
6800
R4089
2SB710A
Q4005
68u
L4003
6V47
C4028
0.022
C4026
2SD602A
Q4006 6800
R4091
EQQ7QF025P
T4001
2200P
C4027
0.022
C4029
6
4
1
2
3
12 11 10
:TO Hi-Fi AUDIO SECTION
:TO SYSTEM CONTROL & SERVO SECTION
:TO POWER SUPPLY/RF SECTION
H
9 8 7 6 5 4 3 2 1
G
F
E
D
C
B
A
R
S
A
H
H
H
H
L
L
H
L
H
H
H
H
H
L
H
L
WITH PAL COLOUR SIGNAL.(SP MODE)
NOTE:THE MEASUREMENT MODE OF THE DC VLOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
NV-HS870EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
42