Aiwa HV-E212 - System Diagrams and IC Details; Block Diagrams, Schematics & Waveforms

BLOCK DIAGRAM —1 (VIDEO SECTION )
J301-2
VIBE oO é
OUT
RF MOa
| VIBEO (1)
AUalO
SV
“8 @
RF371
Q37)
0372
[A] MAIN (VIDEO-1,
1C301 LA7391
VIQEO
69
INS
29)
ro
ATT
G1) <q
B. SEEM
KILL
G3)
BPF
(FROM SERVO/SYS.CON.)
PAL 9 9 MECECAM
9308
2 SECTION) C.B
0441,0443,0445
SuB
DE EMPH
CLAMP
R 4 4 P
3. SMHZ
LPF |
ACC ACC
AMP AeT
[BG A
@) Icst1
LA7311
SECAM
BET
(19)
p< EVER SV
z SFR303
PB Y LEVEL
(2)
MAIN SUB
ofp LB _EMPH LPF
Pl CONV
FM DOUBLE
demon LIM 9)
DOC
as See DET
BPF
EVER +5V WW
ass4
§
Q856
R(LNC)
oO
tI]
@!)
2tsc
S EY
ial
(18) (19)
X301
4.43MHZ 938s
Q387
[An® je ——{LPF
1c401
ENV
‘ oe
C387 ~ C390
(C] HEAD C.B
Ics5i AN3331K
PEAK ING
AMP
LC8992
Q401,
LPF g403
ccaeat
26
<
4d
RE SWP
(FROM SERVO/SYS.CON 1C102 @®)
PB Y SIGNAL
PB CHROMA SIGNAL
tse
(TO SERVO/SYS.CON.
1c102 ©)
Oe hate Nese tnt tee othe Se a ey