Schematic Diagram -Main Section (1/2) - Sony CDX-L490EE Service Manual

CDX-L490EE
3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 17 for Waveforms and page 18 for Common Note on Schematic Diagram.
TU1
J1
C7
JC20
C2
C4 C1
JC1
L1
R1
C6
Q1
D1
C5
C57
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
( ) : AM
< > : CD PLAY
∗
: Impossible to measure
• Refer to page 26 for IC Block Diagrams.
IC B/D
C11
IC401
R28
R30
C401
C9 C8
C412
R405
C404
C413
C405
C406 JC406 R406
R407
C407 JC407 R408
C421
R409
C420
C751
C431 IC B/D
R431 JC431 R433 C432
R432
Q431
C334
R452
C451
Q451
R451 R453 C452
C441
R441 JC441 R443 C442
C335
R442
Q441 JC755
R462
C461
Q461
R461 R463 C462
JC444
JC753
D479 R479
C753
Q479
C480
R480
D480
C479
JC754
Q478
C756
JC479
R756
JC631
Q631
JC609
(Page 23)
22 22
C332
C333
C765 C764
D751
D752
D753
D754
D755
D756
IC750 D757
D758
D759
D761
D762
D760
C617
R609
C618
JC756 C757
D609
C758
C754
C759
D601
C760
C602
C761
R752 C755
C601
R636
R652
JC651
R653 R651
Q651
R654
R633
R631
C631
R634 R632 D651
J330
CN601
F901
L601