Text preview for : b_audio.pdf part of panasonic b audio panasonic Video NV-VP21EC b_audio.pdf
Back to : b_audio.pdf | Home
MAIN SIGNAL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE
IC4501
JK4801
TO / FROM SYSCON
PP4801 PS7501 AV3 IN(R)
2
6 6
(R) PP4801 PS7501 AV3 IN(L)
5 5
42 IIC CLK S
IIC BUS
(L) INTERFACE
53 43 IIC DATA S
FRONT JACK PCB
57
JK4904
AV1 R IN
IC4502 9
(R) 9
AV2 R IN INPUT
DVD R OUT 10
X1 X0 SELECT
LINE OUT 13 12 SWITCH
RCH
(L) 6
AV1 R OUT X AGC
FROM SYSCON
14 &
SWITCH
AV1 L IN
DVD L OUT 14
JK4902 Z1 Z0 VCO 45
3 5 F0 FSC
AV1 AV2 L IN INPUT
(R) AV1 R OUT 15
SELECT
1 SWITCH
(L) Z LCH
AV1 L OUT AV1 L OUT
3 4
(R) AV1 R IN
2
FROM SYSCON
(L) AV1 L IN QR4501
6 9 OUTPUT
51 SWITCH SELECT
DVD H 10 MUTE RCH SWITCH
FROM 11
QR4902- E RCH
27 AUDIO H.SW
QR4503
MUTE 52 SWITCH
Y0 LCH
DVD L/R MIX
1 2 PNR RCH
FM MODULATOR/
AV2 Y DEMODULATOR
(R) 15 OUTPUT
AV2 R OUT SELECT
1 SWITCH
(L) LCH
AV2 L OUT
3
(R) LPF
AV2 R IN
2
FROM SYSCON
(L) 4 PNR LCH
AV2 L IN
6 3
AV2 R OUT 1 BPF
AV2 L OUT PB60Hz H
30
AV2 R IN 8 QR4505
AV2 L IN BPF
TU7601
TUNER 21 TUNER AUDIO OUT 13 PREAMP
NV-VP21EF IC7301 & 29
SWITCH
DEC R OUT Hi-Fi
38 2 TW4501 AUDIO
HEAD
P5001
NICAM 24
7 L
DECODER
NV-VP26/31 + P5001
DEC L OUT
IC3001 AGC 21
9
43 1 R
P5001
JK4904 22
10
MUTE 6 62
(R)
DVD OUT LPF
8
1
(L)
FM MODULATOR/
5 DEMODULATOR AGC
R &
AUDO R (OUT) TO A.HEAD(W)
P4002
98
REC
MUTE VCA
SWITCH
FROM PS8002 P4301 4 EQ NORMAL
DVD AC HEAD 2 61 SELECT
16 16 SWITCH
AUDIO
FROM SYSCON
BLOCK PS8002 P4301 P
DIAGRAM 18 18
AUDIO L (OUT)
AV FROM P4002 PRE th
MUTE
79 MUTE H
DECODER AC HEAD
A.HEAD(R)
3
96
AMP TRAP
CTL
PCB
I/O SECTION AUDIO/VIDEO SECTION
VHS MAIN PCB NV-VP21EC/EF/EP
NV-VP26EC
NV-VP31EC/EB/EBL/EP
MAIN PCB AUDIO
BLOCK DIAGRAM