8.6.
Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
:TO LUMINANCE & CHROMINANCE/AUDIO SECTION
:TO SYSTEM CONTROL & SERVO SECTION
1
2
3
4
5
6
7
A
B
C
D
E
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
:TO POWER SUPPLY/RF SECTION
8
9
S
V
R
:TO TIMER SECTION
T
F
G
10
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VCC2
GND
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
SWITCH
RCH
SWITCH
LCH
OUTPUT
SELECT
SWITCH
RCH
+
DET
NORMAL
OUTPUT
SWITCH
OUTPUT
SELECT
SWITCH
LCH
VREF
INPUT SWITCH RCH
INPUT SWITCH LCH
GND
(L)
AGC &
SWITCH
FM
MODULATOR/
DEMODULATOR
LPF
PNR
LCH
AGC
+
GND
PREAMP
&
SWITCH
VCC
REC
DC2
ENV.DET
OUT
REC AGC
DET
PNR RCH
BPF
BPF
LPF
FM
MODULATOR/
DEMODULATOR
AGC &
SWITCH
MUTE
CONTROL
REC AGC
ADJ.
GND(R)
VCC
VCO-
FO
IIC BUS
INTERFACE
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
ORDER A PART,PLEASE REFER TO PARTS LIST.
11
S
S
V
S
MAIN IIC CLOCK
MAIN IIC DATA
FSC
MUTE
A3
A2
A1
A4
QR4501
UN2113
(BUFFER)
R4530
100K
R4533
220
2
1
3
4
5
QR4503
XN0121600L
(MUTE)
C4530
16V10
C4531
16V10
R4531
220
R4532
100K
C4532
16V10
R4535
220
C4544
100P
R4534
100K
1
2
3
PP3901
GND (AV)
GND (AV)
GND (AV)
TO INPUT/OUTPUT PACK
PS3901(H-1)
PP3902
RFC VIDEO OUT
GND (AV)
AV1 A IN (R)
AV2 A IN (R)
GND (AV)
AV1 A IN (L)
AV2 A IN (L)
GND (AV)
AV1 A OUT (L)
AV1 A OUT (R)
GND (AV)
AV2 A OUT (R)
AV2 A OUT (L)
AV1 PB 12V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TO INPUT/OUTPUT PACK
PS3902(G-1)
B1
B2
B3
B4
B5
B6
2
1
QR4504
XN0121600L
3
(MUTE)
4
5
C4533
16V10
C4545
100P
R4536
100K
R4538
220
PP3904
TO INPUT/OUTPUT PACK
PS3904(D-1)
AV3 C IN
PS 12V
AV3 VIDEO IN
TUNER VIDEO IN
GND (AV)
OSD IIC DATA
OSD IIC CLOCK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND (AV)
VV C OUT
GND (AV)
PS 5V
Y/C C OUT
OSD PULSE
PROG
B12
B13
B14
B15
B17
B18
B19
PP3905
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Y/C Y OUT
GND (AV)
VIDEO/Y IN
GND (AV)
AV2/AV3 C IN
GND (AV)
GND (AV)
AV3 Y IN
GND (AV)
OSD VIDEO OUT
AV2 PB
PROJECT 50
S-VHS SW
TO INPUT/OUTPUT PACK
PS3905(C-1)
B20
B21
B22
B23
B24
B25
B26
PP3906
1
2
3
4
5
6
7
8
9
10
11
12
13
14
IR
N.SW 5V
AV3 A IN (R)
GND (AV)
SCT SW
POWER SW
GND (AV)
AV3 VIDEO IN
GND (FIP)
AV3 A IN (L)
AV3 C IN
GND (AV)
AV3 Y IN
AV3 S-VHS IN
B28
B29
B30
B31
B32
S
RFC MUTE
R
PS 5V
R
N.SW 5V
R
PS 12V
TW3901
L4503
0
C4539
0.1
C4534
16V47
R4537
10K
R4543
220
C4535
16V10
C4536
16V22
C4538
0.1
R3539
3600
QR4507
UN2216
(MUTE)
QR4502
UN2113
(BUFFER)
IC4501
AN3656NFBPBV
C4540
0.1
B29
R4505 4700
R4502 56K
C4541
0.1
R4506 4700
R4501 56K
B32
C4501
16V10
C4502
16V10
R4507 10K
R4504 22K
B38
R4508 4700
R4514 56K
B2
B3
R4509 4700
R4516 56K
C4503
16V10
R4510 10K
R4503 22K
B39
R4511 4700
R4513 56K
R4512 4700
R4515 56K
B4
B5
R4518
4700
C4504
0.047
R4517
510
C4505
10V33
C4515
6V100
C4516
0.1
L4501
1.2u
C4506
16V10
C4507
16V22
C4508
0.015
C4509
0.033
TW4501
C4511
0.01
R
RFC VIDEO OUT
S
AV1 PB 12V
TUNER VIDEO
OSD IIC DATA
OSD IIC CLOCK
VV C OUT
Y/C C OUT
OSD PULSE
PROG
Y/C Y OUT
VIDEO/Y IN
AV2/AV3 C IN
OSD VIDEO OUT
AV2 PB
PROJECT 50
S-VHS SW
IR
R
S
S
V
V
S
S
V
V
V
S
S
S
S
S
B1
B6
B12
B13
B14
B15
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B28
SCT SW
T
B30
POWER SW
T
B31
AUDIO IN (N)
V
RFC AUDIO OUT
R
AUDIO OUT (N)
V
TUNER AUDIO (R)
R
TUNER AUDIO (L)
R
B35
B36
B37
B38
B39
GND
R
GND (SYS)
R
GND (LVM)
R
GND (HA2)
R
V
AUDIO HEAD COM
AUDIO HEAD R
V
C4514
0.01
V
AUDIO HEAD L
GND(A)
V
C4517
0.1
S
A.HEAD SW
ABS NORMAL
S
TW4511
TL4503
R4519
820
R4520
120K
C4520
0.015
C4519
0.22
TW4502
D4502
MA165
S
D.FM REC
C4521
6V22
C4522
16V10
R4521
4700
R4522
510
C4524
0.047
C4523
10V33
A4
R4523
1K
R4524
30K
R4525
1K
A3
R4526
1K
A2
C4529
16V10
A1
TO AV FRONT PS4801(B-1)
B35
B36
B37
L4502
1.2u
C4526
0.1
C4525
6V100
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
-1.4
(-0.6)
0
-1.4
(-0.6)
0
0
-1.4
(-0.6)
0
0
-1.3
(-0.6)
0
0
1.7
1.7
6.0
6.0
6.0
0
0
6.0
11.9
6.1
0.8
2.5
2.4
0
0
2.4
0
2.4
0
0
2.5
2.0
0
0
0
2.0
0
0
0
2.5
0.3
(0.7)
2.5
2.5
0
(2.0)
0
(1.9)
0.7
(2.0)
0.7
(2.1)
5.0
0
(2.1)
2.5
(0)
0.1
(4.2)
1.8
(4.2)
1.8
(4.2)
2.5
(1.1)
2.5
2.5
0.3
(0.7)
2.5
0
1.7
0.1
5.0
2.8
2.6
3.3
1.6
4.8
2.5
2.5
R4540
22K
B33
AV3 S-VHS IN
S
B33
DNR SW
B27
15
DNR SW
T
B27
H
H
H
L
L
H
H
H
L
H
H
L
NV-HS880EG/B/EC/EE
Hi-Fi AUDIO SECTION SCHEMATIC DIAGRAM
44
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 ...
