Block Diagram Power Section - Sony STR-DB830 - Fm Stereo/fm-am Receiver Service Manual
Fm stereo fm-am receiver
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Also See for STR-DB830 - Fm Stereo/fm-am Receiver:
- Service manual (64 pages) ,
- Operating instructions manual (59 pages) ,
- Limited warranty (1 page)
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4-2. BLOCK DIAGRAM POWER SECTION
+VDD
VOLUME
-VDD
RV401
VOL CONT
IC414
L
IC408
14
IN
OUT
15
DATA
9
DATA
CLK
8
CLK
LAT
10
LAT
VOL CONT
IC416
C
IC410
3
IN
OUT
2
+VDD
W
IC410
-VDD
B
14
OUT
IN
15
DATA
9
DATA
CLK
8
CLK
LAT
10
LAT
VOL CONT
IC415
SL
IC409
14
IN
OUT
15
DATA
9
DATA
CLK
8
CLK
DATA
LAT
10
LAT
CLK
LAT
+VDD
M
-VDD
MUTE
AC MUTE
Q501,503
PROTECTOR
PRE RY
RY HP
C
SP/A RY
SP/B RY
RY CENTER
RY WOOFER
RY REAR
RY POWER
STOP
RESET
URESET
USREQ
UMREQ
D
UCLOCK
UDATA
FLASH DO
FLASH DI
MD2
MD0
49
RDS DATA
54
RDS DATA
A
RDS CLK
53
RDS CLK
ANT LEVEL
46
RDS SIGNAL
IC103
2
8
55
UP
MOTOR
DRIVE
4
5
56
DOWN
US,Canadian MODEL
95
96
93
94
J258
BUFFER
TV/SAT
Q253
CONTL S
STATUS IN
9
6
ST-I/O
J257
11
IC253
MONITOR
Q251,252
4
CONTROL S
SWITCH
IN
3
J255
1
Q255,256
2
VIDEO 1
CONTL S
LEVEL
IC254
OUT
CONTROL
IC254
5
J256
7
6
Q257,258
DVD/LD
CONTL S
LEVEL
OUT
CONTROL
Q254
LEVEL
CONTROL
POWER AMP(L)
IC501
13 VCC
BOOSTER
14
VCC
+VE
2
Q506
15
VEE
Q504, Q505
6
IN
NF
5
BIAS
1
MUT
BOOSTER
CUR DET
-VE
3
Q507
Q598
POWER AMP(C/W)
IC601
13 VCC
BOOSTER
14 VCC
+VE
12
Q606
15
VEE
8
IN
Q604, Q605
NF
9
BIAS
BOOSTER
CUR DET
-VE
11
Q607
Q698
1 MUT
+VE
2
6
IN
-VE
3
POWER AMP(SL)
IC701
13 VCC
BOOSTER
14
VCC
+VE
2
Q706
15
VEE
Q704, Q705
6
IN
NF
5
BIAS
1
MUT
BOOSTER
CUR DET
-VE
3
Q707
Q798
PROTECTOR
Q547-549
D122,123,136-140
D140-145
1
RV101
RV102
29
51 20 19
61 62 60 58
59
78
79
75
76
1
2
3
4
5
MODE CONTROL
IC102
38
39
40
41
43
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
KEY
KEY
KEY
KEY
KEY
S103-110
S126-128
S119-121
S115-118
S111-114
S131
S129,130
S122-124
— 9 —
RY602
RELAY
DRIVE
Q601
Q511
AF DETECTOR
Q509,510
RY501
RELAY
DRIVE
Q546
RY502
RELAY
DRIVE
Q596
RY601
Q611
RELAY
AF DETECTOR
DRIVE
Q609,610
Q645
RY681
RELAY
DRIVE
Q681
RY701
RELAY
AF DETECTOR
DRIVE
Q709,710
Q745
RY671
RELAY
DRIVE
Q671
DB930/V929 MODEL
X102
D147,149-157
IC106
7.82MHz
SIRCS
15
16
+B
IC107
Q129,130
2
CARR OUT
CA1 I
11
SIRCS
DET.
SIRCS IN
CA1 O
33
12
7 .
.
9
15
20
29
RESET
D124,125,128
LAT
5
14
LED DRIVER
IC108
X101
16MHz
16
17
18
19
88
87
89
90
82
83
99
7
98
64
65
66
21 24 25
22
67
63
SPEAKER
SWITCH
S102
S101
34
26
24
29
4
5 30
Q104
POWER
I/O
BUFFER
DIN
3
29
DOUT
IC104
IC105
FL DRIVE
FL DRIVE
F2
F1
FL101
FLOURESCENT
INDICATOR TUBE
R CH
J701
PHONES
L
A
TM501
R
FRONT
SPEAKER
L
B
R CH
R
C
TM701
S(L)
SURROUND
SPEAKER
S(R)
R CH
JJ101
L
SUB
WOOFER
+5V
R CH
R
+5V
1
3
REG
IC401
L
PRE OUT
REAR
+15V
+15V
3
REG
R
R CH
IC402
L
-15V
-15V
3
REG
FRONT
R
R CH
Q801
JJ102
+32V
+32V
REG
CENTER
D801
+VDD
-VDD
SWITCH
+24V
Q613
IC1207
DIGITAL PWB
+5V
DISP +5V
3
FROM SUFFIX-12
REG
IC1501
+5V
CODEC +5V
3
REG
IC1203
+3.3V
DIGITAL +5V
3
REG
IC1204
Q105
+5V
CONT µCOM ETC
3
CTL
REG
I/O
IC1205
D1208
+6.2V
DISP µCOM+5.6V
3
REG
D1209
IC101
Q101
REMOTO
SIRCS
26
CONTROL
RECEIVER
D1211
+6.2
URESET
58
REG
Q1205
RESET
RESET
77
Q103
D901-904
3
RESET
STOP
47
8
5
IC1206
6
— 10 —
STR-DB830/DB930/V929X
Ver 1.1 2002. 02
• R-CH is omitted due to same as L-CH.
• Signal Path
:FM
:CD
S801
IMPEDANCE
SELECTOR
4
8
T901
1
2
F801
F802
F803
D802-805
F804
F805
D806-809
1
1
1
F2
F1
1
1
RY901
EXCEPT
RELAY
US,Canadian
DRIVE
MODEL
Q901
F903
US,Canadian
MODEL
CNJ901
JW925
T902
JW927
JW928
CNP901
AC IN
J204
S-LINK
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