8.5.
LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
H
L
H
H
H
H
H
H
H
L
L
H
L
J0JBC0000070
LB4005
A
GND (A)
(AMP)
2SB709A
Q3501
1.7
1.2
1200
R3503
0
C3063
2.2
5.0
2.9
(AMP)
2SD601A
Q3007
0.1
C3517
0
R3051
47P
C3057
0
R3054
560
R3055
56
R3053
180u
L3013
150P
C3058
B4
B5
B6
B7
(AMP)
2SB709A
Q3502
3.1
2.5
390
R3513
1200
R3511
390K
R3510
4.7
C3509
4.7
C3511
3900
R3022
4.7
C3521
M52065FP
IC3502
0
R3076
0
R3074
0
L3017
0
L3018
0
L3019
0.01
C3518
4.7
C3512
4.7
C3515
4.7
C3510
4.7
C3513
2.0
(0.2)
4.7
2.0
2.0
2.0
(4.9)
0.1
2.0
2.0
2.0
4.8
4.9
2.0
2.0
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
GND
H
L
GND
VCC
GND
L
H
L
H
6V47
C4028
4700
R4090
5.1
2.3
(4.9)
0.1
3.0
3.0
B1
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
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
0
0
1.3
(0.2)
4.7
4.8
(4.9)
0.1
(0)
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
B2
A22
A21
A20
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
(OSC)
0
L3009
4.7
C3041
4.7
C3040
0
R3035
0.1
C3044
16V10
C3043
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
2200
R3501
4.7
C3502
4.7
C3501
S
LP
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
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
R
TUNER AUDIO (N)
S
MUTE
ET REC
S
A
AUDIO IN (N)
A
AUDIO OUT (N)
:OFF)
(D.A.REC
UN2111
QR4005
R
PS 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
(BIAS :ON)
(OSC)
GND
H
L
VCC
6
5
4
3
2
1
C1AB00001340
IC3002
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
10V22
C4025
6800
R4089
2SB710A
Q4005
68u
L4003
0.022
C4026
2SD602A
Q4006
6800
R4091
EQQ7QF025P
T4001
2200P
C4027
0.022
C4029
6
4
1
2
3
12
11
10
A :TO Hi-Fi AUDIO SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
:TO POWER SUPPLY/RF SECTION
R
H
9
8
7
6
5
4
3
2
1
G
F
E
D
C
B
A
NV-HS880EG/B/EC/EE LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM
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
42
Summary of Contents for NV-HS880EG
Page 16: ...4 REMOVAL OF THE MAIN C B A Remove Screw F Remove 4 Screws G Unlock 2 Tabs H Fig D5 16 ...
Page 23: ...3 3 8 CIRCUIT BOARD LAYOUT 23 ...
Page 26: ...10 2 CASING PARTS SECTION 26 ...
Page 27: ...10 3 PACKING PARTS SECTION 27 ...
Page 28: ...11 REPLACEMENT PARTS LIST 11 1 CHASSIS PARTS SECTION PARTS LIST 28 ...
Page 41: ...D7501 MAZ4220NMF DIODE MAVD 41 ...
Page 43: ...K7301 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 43 ...
Page 46: ...Q1104 2SD1992A R TRANSISTOR 46 ...
Page 48: ...R0715 ERJ3GEYJ223 M RESISTOR CH 1 16W 22K 48 ...
