Panasonic NV-GS80E Service Manual page 11

VIDEO SIGNAL PROCESS II BLOCK DIAGRAM
MAIN P.C.B
IC3201 (FORMATTING/EQUALIZER)
A9,
TO/FROM VIDEO
A10,
DBR (0-3)
SIGNAL PROCESS I
B9,
BLOCK DIAGRAM
B10
RESET(L) RESET(L)
A3 L5
FROM SYSTEM
RESET(L)
CONTROL
BLOCK DIAGRAM
ADDA (0-3)
27MHz CLOCK
TO/FROM VIDEO
SIGNAL PROCESS I
READ(H)
BLOCK DIAGRAM
VAL
HEAD SW PULSE 1
LUMA
FROM VIDEO
SIGNAL PROCESS I
BLOCK DAGRAM
CHROMA
MODULATOR
/DEMODULATOR
AGC CONTROL
VITERBI EQUALIZER A/D CONVERTER
ATF DET BPF A/D CONVERTER
MICROCONTROLLER
INTERFACE
27MHz
CLOCK
READ(H) VAL
D11,E9,E11,F8 B11 C11 D10
IC3301 (VIDEO SIGNAL PROCESS)
19 CLAMP BUFFER LPF
18 BUFFER LPF
IC5001 (HEAD AMP)
L8 8
LOGIC DRIVE
REC CLOCK K8 10
AGC
K3 3
DET
AGC
AMP D3 6 1 43
AMP
AMP E1 39
REC-C CONTROL J3 35
EQ HOLD J7 11
REC CONTROL L9 15
HEAD SW PULSE 2 J6 16
HEAD SW PULSE 1 K6 17 LOGIC
PB(H) K9 18
REC ON/OFF CONTROL H6 19
(FROM SAFETY TAB SW)
14
S-TAB ON(L)
TP3203
1 V
GCA
VIDEO
+ 29
GCA
11
REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL
FP24
GCA 27
CH1 6
26
HEAD FP24
28
AMP 7
29
FP24
31
CH2 5
30
HEAD FP24
AMP AMP 32
AMP 4
33
LPF
41
TP3922
2.0 Vp-p V1 0.30 Vp-p
V1
2 ms 0.1 V 5 ms
PB Mode (SP)
FRONT P.C.B
JK7101
FP41 FP6501
15 15
VIDEO SIGNAL PROCESS II BLOCK DIAGRAM
NV-GS80EG/EF/E/EP/EB/EK/EE, NV-GS85GC/EE, NV-GS88GK
PB AUDIO SIGNAL
CYLINDER UNIT
CH 1
HEAD
CH 2
HEAD
VIDEO