JVC HR-J880MS Schematics

SECTION 4

CHARTS AND DIAGRAMS

4-1

VA

2
P

VA

u
r

4.1 SECAM SCHEMATIC DIAGRAM

The Parts Number,val

Note :

When replacing the pa

5

4

3

8 8 SECAM

B301
OPEN

Q312
OPEN

IC301
LA7358

R316
220k

R321

OPEN

MODE

CTL

Q311
OPEN

Q302

R301

SYNC GAIE
GEN./V-SEP

TO MUTE

AFC

4.43MHZ
VCO

TO

REC MUTE

TO

PB MUTE

C301
150p

B

SECAM

DET

FILT.
ADJ

R302

C305 C307

120k

0.01 150p27k

1

0.0068

C302

C303

C306

PHASE

DET

FROM LIM

LOGIC

LIMITER

HOLD

DET SENSE

BGP
GEN

CONTROL

0.0068

C304

1

4.3MHZ

OSC

F0

ADJ.

F0

ADJ.

1.1MHZ

OSC

VCC

GND

R

P

CA

2.

X2

B

CA

R

P

2

1

4-2

R328

R329

OPEN

L303 R311

C317

0

680p

27µ 3.3k

R327
OPEN

R315
560k

R314

24k

R326
OPEN

C322

0.47

C321
300p

R313
22k

R312

2.7k

C319
1

C318C320

0.0220.01

ABC D