Printed Wiring Board -Ind Section; Schematic Diagram -Ind Section - Sony xm-752eqx Service Manual

XM-752EQX
3-8. PRINTED WIRING BOARD — IND SECTION —
• Semiconductor Location
Ref. No. Location Ref. No. Location
IC802 A-2 (LD815) B-2
(LD816) A-2
(LD801) B-4 (LD817) B-2
(LD802) A-4 (LD818) A-2
(LD803) B-3
(LD819) B-1
(LD804) A-3 (LD820) A-1
(LD805) B-3 (LD821) B-1
(LD806) A-3 (LD822) A-1
(LD807) B-3 (LD823) B-1
(LD808) A-3 (LD824) A-1
(LD809) B-3
(LD810) A-3 Q801 A-3
(LD811) B-2 Q802 A-1
(LD812) A-2 Q803 A-3
(LD813) B-2 Q804 A-1
(LD814) A-2
( ) : SIDE B
(Page 11)
Note on Printed Wiring Board:
• Y : parts extracted from the conductor side.
• : Through hole.
r
• b : Pattern from the side which enables seeing.
(The other layer's patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B) pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A) parts face are indicated.
– 19 –
3-9. SCHEMATIC DIAGRAM — IND SECTION — • Refer to page 23 for IC Block Diagrams.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1 / W or less unless otherwise
4
specified.
• C : panel designation.
• U : B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from +12V and REMOTE terminals.
• Voltage is dc with respect to ground under no-signal
condition.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
– 20 –
(Page 13)