Sony STR-K670P Service Manual page 4

STR-K670P
Ver. 1.3
QQ
3 7 63 1515 0
1. GENERAL
................................................................... 5
2. TEST MODE
............................................................... 10
3. DIAGRAMS
3-1. Block Diagram - MAIN Section - .............................. 12
3-2. Block Diagram - DISPLAY/POWER Section - ........ 13
3-3. Printed Wiring Board
- DIGITAL Board (Side A) - ...................................... 14
3-4. Printed Wiring Board
- DIGITAL Board (Side B) - ...................................... 15
3-5. Schematic Diagram - DIGITAL Board (1/4) - .......... 16
3-6. Schematic Diagram - DIGITAL Board (2/4) - .......... 17
3-7. Schematic Diagram - DIGITAL Board (3/4) - .......... 18
3-8. Schematic Diagram - DIGITAL Board (4/4) - .......... 19
3-9. Printed Wiring Board - MAIN Section - ................... 20
3-10. Schematic Diagram - MAIN Section (1/3) - ............. 21
3-11. Schematic Diagram - MAIN Section (2/3) - ............. 22
3-12. Schematic Diagram - MAIN Section (3/3) - ............. 23
3-13. Printed Wiring Board - STANDBY Section - ........... 24
3-14. Printed Wiring Board - DISPLAY Section - ............. 25
3-15. Schematic Diagram - DISPLAY Section - ................ 26
4. EXPLODED VIEWS
4-1. Front Panel Section ......................................................... 34
4-2. Chassis Section-1 ............................................................ 35
4-3. Chassis Section-2 ............................................................ 36
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L 13942296513
5. ELECTRICAL PARTS LIST
SERVICING NOTE
Note on replacement POWER AMPLIFIER IC
There are two kinds of sets by POWER AMPLIFIER IC (IC501,
IC601, IC701: on MAIN board) used with this model.
Type1 : 6-700-943-01 IC uPC2581V-S
Type2 : 6-600-450-01 IC STK350-530-E
Ref. No. Type1 : uPC2581V-S
C503 1-128-813-11 CERAMIC
C553 1-128-813-11 CERAMIC
C603 1-128-813-11 CERAMIC
C653 1-128-813-11 CERAMIC
C703 1-128-813-11 CERAMIC
C753 1-128-813-11 CERAMIC
IC501 6-700-943-01 IC UPC2581V-S
IC601 6-700-943-01 IC UPC2581V-S
IC701 6-700-943-01 IC UPC2581V-S
R500 1-247-863-91 CARBON
R600 1-247-863-91 CARBON
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R700 1-247-863-91 CARBON
JUMPER (EXCEP E51, MX)
R858 1-216-452-11 RES, METAL OXIDE FILM 180 (E51)
JUMPER (MX)
.
1-215-889-00 METAL OXIDE 330 5% 2W (EXCEP E51, MX)
R859 1-215-888-00 METAL OXIDE 220 5% 2W (E51)
1-216-453-00 METAL OXIDE 270 5% 2W (MX)
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220PF 5% 50V
220PF 5% 50V
220PF 5% 50V
220PF 5% 50V
220PF 5% 50V
220PF 5% 50V
22K 5% 1/4W
22K 5% 1/4W
22K 5% 1/4W
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MODEL IDENTIFICATION
- BACK PANEL -
Model
US model
CND model
AUS model
SP, SP6 models
MX model
E51 model
AEP, UK and RU models
AR model
• Abbreviation
AR : Argentina mdell
AUS : Australian model
CND : Canadian model
E51 : Chilean and Peruvian models
MX : Mexican model
RU : Russian model
Q Q
3 6 7 1 3 1 5
SP : Singapore model
SP6 : Singapore and Malaysia models
As for the set of type1 and type2, the parts on the Main board in the
table below are different.
When repairing, please confirm the type name printed on IC at the
beggining and use the parts corresponded to the table below.
Type2 : STK350-530-E
1-128-809-11 CERAMIC 100PF
1-128-809-11 CERAMIC 100PF
1-128-809-11 CERAMIC 100PF
1-128-809-11 CERAMIC 100PF
1-128-809-11 CERAMIC 100PF
1-128-809-11 CERAMIC 100PF
6-600-450-01 IC STK350-530-E
6-600-450-01 IC STK350-530-E
6-600-450-01 IC STK350-530-E
1-247-871-91 CARBON 47K 5% 1/4W
1-247-871-91 CARBON 47K 5% 1/4W
1-247-871-91 CARBON 47K 5% 1/4W
1-216-453-00 METAL OXIDE 270 5% 2W (EXCEP E51, MX)
co
1-215-889-00 METAL OXIDE 330 5% 2W (E51)
1-215-888-00 METAL OXIDE 220 5% 2W (MX)
.
1-215-888-00 METAL OXIDE 220 5% 2W
9 4 2 8
Parts No.
Part No.
2-342-334-0[]
2-342-334-1[]
2-342-334-2[]
2-342-334-3[]
2-342-334-4[]
2-342-334-5[]
2-342-334-8[]
2-348-134-1[]
0 5 8 2 9 9 4 2 8
Wiring Board
Location
5% 50V C-4
5% 50V C-4
5% 50V C-5
5% 50V C-5
5% 50V D-3
5% 50V D-3
C-4
C-5
D-2
C-5
C-6
m
D-3
D-7
D-6
9 9
9 9