Sony SRS-RF930RK Service Manual ▷ View online
17
SRS-RF930RK
• IC Block Diagrams
– AMP Board –
IC102, IC202 TPA2005D1DGNR
1
7
8
5
6
2
3
4
SHUTDOWN
SD
TTL
Input
Buffer
Biases
Ramp
Generator
Startup
Protection
Logic
OC
Detect
Gate
Drive
Gate
Drive
and
Reference
Deglitch
Logic
Deglitch
Logic
+
+
+
+
+
+
GND
V
O+
V
O-
V
DD
V
DD
Gain=2V/V
150K
150K
IN-
IN+
NC
1
IC403
6
TO CRYSTAL
500 mV/DIV, 10
µ
s/DIV
1.8 Vp-p
26.3
µ
s
2
IC403
8
PILOT OUTPUT
200 mV/DIV, 20
µ
s/DIV
0.58 Vp-p
52.6
µ
s
• Waveforms
— TX-BASE Board —
— TX-BASE Board —
18
SRS-RF930RK
IC602 MC14521BDR2
VDD
VSS
RESET
IN 1
IN 2
OUT 1
VSS
OUT 2
STAGES
3 THRU 7
STAGES
11 THRU 15
8
2
1
9
10
16
17
18
19
20
21
22
23
24
Q18
Q19
Q20
Q21
Q22
Q23
Q24
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC601 NJM2903M
– TX-BASE Board –
1
2
3
4
8
7
6
5
OUTPUT1
-INPUT1
+INPUT1
GND
V+
OUTPUT2
-INPUT2
+INPUT2
1
2
19
SRS-RF930RK
7
A-1175-369-A AMP BOARD, COMPLETE (WHITE)
8
2-649-931-01 CUSHION BATTERY
9
1-756-621-11 BATTERY, NI-MH
10
A-1149-626-A REAR CABINET ASSY (SILVER)
10
A-1175-367-A REAR CABINET ASSY (WHITE)
11
3-254-143-11 SCREW (B3), (+) BV TAPPING
SP101
1-826-243-11 SPEAKER (057F034)
SP201
1-826-243-11 SPEAKER (057F034)
SECTION 4
EXPLODED VIEWS
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
The mechanical parts with no reference
number in the exploded views are not supplied.
number in the exploded views are not supplied.
Ref. No.
Part No.
Description
Remark
1
2-649-908-01 PANEL, BOTTOM (SILVER)
1
2-649-908-11 PANEL, BOTTOM (WHITE)
2
A-1149-636-A FRONT CABINET ASSY (SILVER)
2
A-1175-368-A FRONT CABINET ASSY (WHITE)
3
3-252-829-01 SCREW (B3), (+) BV TAPPING
4
A-1149-646-A RX BOARD, COMPLETE
5
A-1163-332-A SIDE PANEL ASSY (SILVER)
5
A-1175-366-A SIDE PANEL ASSY (WHITE)
6
3-254-151-01 SCREW (B2.6), (+) P TAPPING
7
A-1149-637-A AMP BOARD, COMPLETE (SILVER)
4-1.
RECEIVER SECTION
Ref. No.
Part No.
Description
Remark
•
Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
KNOB, BALANCE (WHITE) . . . (RED)
R R
Parts of Color Cabinet’s Color
SP201
SP101
1
2
3
7
3
4
10
11
11
6
6
5
5
3
9
8
not
supplied
not
supplied
20
SRS-RF930RK
4-2.
TRANSMITTER SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
53
54
55
56
57
57
52
not supplied
not
supplied
not supplied
58
51
A-1149-663-A TOP CABINET ASSY (SILVER)
51
A-1175-371-A TOP CABINET ASSY (WHITE)
52
3-252-829-01 SCREW (B3), (+) BV TAPPING
53
1-831-460-11 CABLE, STEREO
54
4-213-164-01 TERMINAL, ANTENNA
55
A-1149-665-A TX BOARD, COMPLETE
56
2-649-913-01 CABINET (T), BOTTOM (SILVER)
56
2-649-913-11 CABINET (T), BOTTOM (WHITE)
57
3-254-151-01 SCREW (B2.6), (+) P TAPPING
58
2-649-933-01 FOOT RUBBER
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