Ic Functional Block Diagram - Oe - Sherwood R-725/RDS Service Manual

IC 1: LM7001M
svc Phase Detector 3-0
svc ©
Change Pump ad O
XIN ©
x0UT O
Shift RegistOr latch
IC 108, 400 : KA7806/GD7806
IC 109 : GD7815
INPUT
THERMAL
SHUT
DOWN
START-UP
CIRCUIT
32
IC FUNCTIONAL BLOCK DIAGRAM
Model No. : R-725/RDS - AV-725
IC 3: LA3401
19
| | =
"ee ee |
2) pee Bs
IC 5: LC7073M
Serial / Parailel
symmetrical
Converter
reactance
circuit
Error detector
/ Correction
Synchronizing
muting
output
|
|
|
|
|
|
L ——-©-0-—@- — — -— —
vod vSS1 vSS2 vSS3 osc2 osc RES CL-EO.SEL
uce FSEL
IC 101, 107, 501, 503 : KIA4559
MONITOR OUT
GND
INS
GNO
ING
vec | ©|
CTLE
a
<
at
= IN (+) B | o |
outs | |
IN3
T
Tt 6130 «TH O2 OTS? ro
IC 807 : SSM-2126
Outputs
o Left
© Center
o Right
o Surround
centeR [' R~] MASTER
MODE (| cj Levee
CONTROL CONTROL
Auto
Balance
BUFFERS
ADAPTIVE
SSM-2125/SSM-2126
ae AUDIO
AY
FILTER Pet
SHIFT REGISTER (13bat)
STROBE OCILLATOR
ThHz
LOWPASS
FILTER
MODIFIED
B TYPE
DECODER
33