Schematic Diagram -Front Section - Aiwa CDC-R237 Service Manual

4-12. SCHEMATIC DIAGRAM — FRONT SECTION —
S602
S604
S601
S608 S612 S610
S613 S614 S615 S616
LCD601
S605
S606
R605
S617 S618
R601
R602
R603
C601 R604
C604
C602 C603
R609
R608
R607
R606
D601 D602
C605
IC601
R641
D641
JR642
D642
29 29
CON601
S611
R610
R621 R622
C923
C621 C622
S621
R651 R652 R653 R671 R672 R673 R643
TP1 TP4
TP2
R654 Q651
R674 Q671 R662 Q661
Note:
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : FM
∗ : Impossible to measure
CDC-R237
J601
(Page 27)
R661
R663