Sony STRDB-925 Schematic
MICROFILM
STR-DB925
SERVICE MANUAL
Photo: BLACK
AEP Model
UK Model
Australian Model
SPECIFICATIONS
— Continued on next page —
FM STEREO/FM-AM RECEIVER
– 1 –
WAVEFORMS
– DISPLA Y SECTION –
1
4MHz
IC102 *™ XO
2
7.28MHz
IC103 !¡ X2
– TUNER SECTION –
1
4.33MHz
IC1 !£
3.2Vp-p
4Vp-p
3.2Vp-p
– DIGIT AL SECTION –
1
4Vp-p
4MHz
IC1201 (™ XO
2
3.6Vp-p
24.576MHz
IC1101 @¶ X OUT
3
4.8Vp-p
12.28Vp-p
IC1101 @ª CLK OUT
4
4.8Vp-p
3MHz
IC1101 #¢ BCK
5
6
7
8
4.8Vp-p
48MHz
IC1101 #§ LRCK
3Vp-p
12.27Vp-p
IC1403 0 2QB
0.56Vp-p
49.152MHz
IC1305 !¡, !™
3Vp-p
12.28MHz
IC1305 6
– 16 –
STR-DB925
3-3. SCHEMATIC DIAGRAM – INPUT SECTION –
• See page 58 for IC Block Diagrams.
(Page 38) (Page 38)
(Page 41)
(Page 53)
(Page 45) (Page 45) (Page 45)
(Page 21)
(Page 29)
(Page 42) (Page 46)
(Page 30)
(Page 22)
– 17 –
– 18 –
STR-DB925
3-5. SCHEMATIC DIAGRAM – POWER AMP SECTION –
(Page 18)
(Page 29)
(Page 29)
(Page 29)
(Page 26)
(Page 26)
(Page 18)
(Page 30)
(Page 53)
– 21 –
– 22 –
STR-DB925
3-7. SCHEMATIC DIAGRAM – TRANS SECTION –
• See page 58 for IC Block Diagrams.
(Page 53)
(Page 22)
(Page 22)
– 25 – – 26 –
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