DOWNLOAD Sony SRS-RF90R / SRS-RF90RK / TMR-RF90 Service Manual ↓ Size: 5.31 MB | Pages: 28 in PDF or view online for FREE

Model
SRS-RF90R SRS-RF90RK TMR-RF90
Pages
28
Size
5.31 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
srs-rf90r-srs-rf90rk-tmr-rf90.pdf
Date
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Sony SRS-RF90R / SRS-RF90RK / TMR-RF90 Service Manual ▷ View online

16
16
SRS-RF90R/RF90RK/TMR-RF90
4-3. Schematic Diagram (SRS-RF90R)  – RX Bo
a
rd Section –
• IC Block Diagram
IC104
TC7W74FU
1
2
3
4
8
7
6
5
S
C
D
Q
Q
R
Vcc
PR
CLR
Q
CK
D
Q
GND
17
17
SRS-RF90R/RF90RK/TMR-RF90
4-4. Printed Wiring Boards (SRS-RF90R)  – AMP Bo
a
rd Section –
1
2
A
B
C
D
E
F
3
4
5
6
7
8
9
IC201
IC202
IC203
TO
TO
RECHARGEABLE
BATTERY
(NICKEL-CADMIUM)
6PCS. 7.2V
Ref. No.
Location
D201
B-4
D202
B-4
D203
D-5
D204
C-6
D801
E-1
IC201
D-7
IC202
B-6
IC203
B-5
Q202
C-4
Q203
C-4
Q204
D-6
Q901
E-8
• Semiconductor
Location
18
18
SRS-RF90R/RF90RK/TMR-RF90
4-5. Schematic Diagram (SRS-RF90R)  – AMP Bo
a
rd Section –
• IC Block Diagram
IC202, 203   TEA2025B
DECOUPLING
CIRCUIT
START
PROTECT
THERMAL
1
2
3
4
5
6
7
8
14
13
12
11
10
9
15
16
1
1
2
2
19
19
SRS-RF90R/RF90RK/TMR-RF90
4-6. Printed Wiring Board (TMR-RF90R)
IC401
IC402
IC403
VCO UNIT
1
2
A
B
C
D
E
F
3
4
5
6
Ref. No.
Location
D401
E-3
D403
B-4
D404
E-2
D405
E-2
D406
E-3
D408
E-5
D409
D-4
D410
E-4
IC401
C-2
IC402
C-5
IC403
E-4
Q401
E-1
Q402
E-3
Q404
C-5
Q405
D-3
Q406
E-3
Q408
C-5
• Semiconductor
Location
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