Sony xo d 20 s service manual

Page 2

XO- D208

TABLE OF CONTENTS
Note-1 on Ceramic Filter (CF101, 102) Replacement

. . P .
m L 432 and Diode D364, 355 Connection.
S f't' ........................ i
Peel 1. 1.0!] 1 This set employs two ceramic filters (CF101, 102)
Ceramic Filters (CPI and CFZ) . . . . . . . . . . . . . 2 .
which should have the same color marking to

SECTION 1. GEN ERAL

Location and Function of Parts and Controls . . , . . 3 identify their center frequency. Therefore PM IF

SECTION 2. ADJUSTMENTS offset adjustment by diodes (D364, 365) connection is
2-1. Mechanical Adjustments . . . . . . . . . . . . . . . 4 necessary to match the center frequency of the
2-2- 1516001081 AdeStmentS ~ ~ - ' . - . - . - ' - . - - 4 ceramic filters used with FM intermediate frequency.

SECTION 3. DIAGRAMS
3-1. Printed Wiring Boards
-I\inerSection-................. 9

Color marking

3-2. Schematic Diagram CF101, 102
-WnerSection-vtuuuo~..o-o-..oo 11
8~3. Printed Wiring Boards
- 0: connect
-Am and Power-Su 1 Section--- - - . ..
P ppy 15 X: not connect
3-4. Schematic Diagram
~ Ceramic filter D364! 365 . l
- Amp and Power - Supply Section - - . . . . - l9 connection FM Inlermedi-
I
sermon 4. EXPLODED Views. . - . ~ - ~ - - . . . . ~ - . 25 Com Center fre- m ~13 m WW
mark quency (II/Hz) (D364) (1)365)

SECTION 5. ELECTRICAL PARTS LIST . . . . . . . . . . . 29

White 10.750 0 X 10.750
Red 10.700 X X 10.700
Black 10.650 X 0 10.650
SAFETY-RELATED COMPONENT WARNING . .
FM intermediate frequency is determined by the
COMPONENTS IDENTIFIED BY MARK A on DOTTED _ ~
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS three types as shown above. Ceramic filters of
AND IN THE PARTS LIST ARE CRITICAL T0 SAFE same center frequency, i.e., of same color coding
OPERATION. REPLACE THESE COMPONENTS WITH h
SONY PARTS WHOSE PART NUMBERS APPEAR As S W be 59d {0 Cle and CF 102
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- When replacing the ceramic filters, perform the PM
LISHED BY SONY. . . .
Discriminator Adjustment.