NV-VP23EG/EC/EP
NV-VP28EG/EC
NV-VP33EG/EC/EB/EBL/EP
MAIN PCB AUDIO
BLOCK DIAGRAM
53
57
14
15
51
MUTE
52
MUTE
AV2 L IN
AV2 L OUT
AV2 R IN
AV2 R OUT
8
13
62
6
2
79
61
VCA
P
R
1
98
96
A.HEAD(W)
A.HEAD(R)
FROM
AC HEAD
TO
AC HEAD
MAIN SIGNAL PATH IN REC MODE
MAIN SIGNAL PATH IN PLAYBACK MODE
9
10
INPUT
SELECT
SWITCH
RCH
INPUT
SELECT
SWITCH
LCH
SWITCH
RCH
SWITCH
LCH
OUTPUT
SELECT
SWITCH
RCH
OUTPUT
SELECT
SWITCH
LCH
PNR RCH
PNR LCH
NORMAL
SELECT
SWITCH
FM MODULATOR/
DEMODULATOR
AGC
&
SWITCH
LPF
AGC
+
BPF
BPF
LPF
LPF
FM MODULATOR/
DEMODULATOR
AGC
&
SWITCH
2
4
3
1
AV1 R IN
AV2 R IN
AV1 L IN
AV2 L IN
IIC BUS
INTERFACE
42
43
PREAMP
&
SWITCH
29
30
27
45
TW4502
H
H
(R)
(L)
AV3 IN(R)
AV3 IN(L)
(R)
(L)
LINE OUT
1
3
2
6
(R)
(L)
(R)
(L)
AV1 R OUT
AV1 L OUT
AV1 R IN
AV1 L IN
AV1
13
14
3
4
12
5
9
10
11
FROM
QR4902- E
DVD
1
DVD L/R MIX
2
15
DVD R OUT
AV1 R OUT
DVD L OUT
AV1 L OUT
X0
Z0
1
3
2
6
AV2
Y0
43
2
1
NICAM
DECODER
DEC R OUT
DEC L OUT
13
TUNER
TUNER AUDIO OUT
(R)
(L)
DVD OUT
AV2 R OUT
AV2 L OUT
AV2 R IN
AV2 L IN
FROM
DVD
AUDIO
BLOCK
DIAGRAM
AUDO R (OUT)
AUDIO L (OUT)
VHS MAIN PCB
(R)
(L)
(R)
(L)
H
2
3
3
5
3
2
PRE
AMP
REC
EQ
MUTE
MUTE
th
TRAP
MUTE
CTL
24
21
22
22
X1
X
Z1
Z
Y
Summary of Contents for NV-VP23-33
Page 13: ...C Stop unloading just before unloading would be completed D Then the tape becomes slack 13 ...
Page 22: ...7 9 MAIN PCB UNIT 1 Unscrew the Screws 2 Release the Connectors 3 Remove the Main PCB Unit 22 ...
Page 39: ...10 3 FRONT HOLDER 1 Remove the Front Holder 10 4 CLAMP PLATE UNIT 39 ...
Page 56: ...12 ABBREVIATIONS 56 ...
Page 64: ...20 1 VCR CHASSIS PARTS SECTION 20 2 DVD CHASSIS PARTS SECTION 64 ...
Page 65: ...20 3 CASING PARTS SECTION 65 ...
Page 66: ...66 ...
Page 67: ...20 4 PACKING PARTS SECTION 67 ...