Read Sony STR-KM3500 Service Manual online
STR-KM3500
STR-KM3500
10
10
5-2. BLOCK DIAGRAM - AMP Section -
SYSTEM CONTROLLER
IC1101 (2/3)
10
DA
TA
11
CLK
L CH
R CH
DO
DI
INL1 (TUNER_L)
INL1 (TUNER_R)
INL1 (TUNER_R)
63
64
64
VOL_IC_CLK
25
VOL_IC_DA
TA
24
89
FM 75W
COAXIAL
91
90
92
ANTENNA
TUNER (FM/AM)
AM
INPUT SELECTOR,
ELECTRICAL VOLUME
IC400
FM ANT
GND
AM ANT
GND
CLOCK
CE
DO/SD/ST
TUNER_DA
TA
TUNER_CLK
SLA
TCH
29
30
56
52
55
51
J401
J403
J404
SLIN
68
CIN
70
SWIN
71
LIN
72
78
SD
TUNER_SD
x SIGNAL PATH
: TUNER
: AUDIO (ANALOG)
FLOUT 14
SL
L, R, C, SW, SL, SR
C
L
SW
SRIN
69
SR
RIN
73
R
LIMITER
Q701, 702
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q711, 712
RELAY DRIVE
Q375
RELAY DRIVE
Q350
RELAY DRIVE
Q360
PROTECT
OR
61
66
VACS CTRL
45
LIMITER
43
PROTECT
SWITCH
Q320, 321, 323,
327, 325
+VOUT1 2
NF1 5
-VOUT1 3
LIMITER
Q551, 552
BOOSTER
Q553
BOOSTER
Q554
CURRENT
DETECT
Q550, 555
IN1
6
POWER AMP
IC901
+VOUT1 2
NF1 5
-VOUT1 3
LIMITER
Q851, 852
BOOSTER
Q853
BOOSTER
Q854
IN1
6
COUT 16
+VOUT2 12
NF2 9
-VOUT2 11
LIMITER
Q801, 802
BOOSTER
Q503
BOOSTER
Q654
CURRENT
DETECT
Q8111, 812
IN2
8
POWER AMP
IC601
CURRENT
DETECT
Q861, 862
15
SWOUT
RY360
RY350
RY375
HP_DETECT
HP_R
Y
67
55 62 70
J790
PHONES
RELAY DRIVE
Q365
RY365
1
2
3
4
5
R
FRONT
R
L
L
-
+
TB601
SPEAKERS
C/SUR RL
Y
SB/SW RL
Y
L/FR RL
Y
D1301
D1302
D1510
L
R
SA-CD/CD
TV
L
R
AUDIO OUT
AUDIO IN
L
R
AUDIO IN
L
R
L
R
AUDIO IN
AUDIO IN
SA
T/CA
TV
VIDEO 2
L
R
VIDEO 1
L
R
AUDIO OUT
AUDIO IN
48
46
47
45
26
42
25
41
RECL3
RECR3
RECL1
RECR1
INL12
INR12
INL10
INR10
INL9
INR9
INL7
INR7
INL5
INR5
B
75
ROUT
ROUT, LOUT
76
LOUT
LOUT
ROUT
A
FROUT
SROUT
MAIN
SECTION
(Page 9)
MAIN
SECTION
(Page 9)
+VOUT1 2
NF1 5
-VOUT1 3
IN1
6
13
+VOUT2 12
NF2 9
-VOUT2 11
IN2
8
LIMITER
Q751, 752
BOOSTER
Q753
BOOSTER
Q754
CURRENT
DETECT
Q761, 762
1
2
3
4
5
6
CENTER
+
-
+
-
+
-
TB604
SUBWOOFER
17
LIMITER
Q601, 602
BOOSTER
Q603
BOOSTER
Q604
POWER AMP
IC801
RELAY DRIVE
Q355
RY355
+VOUT1 2
NF1 5
-VOUT1 3
IN1
6
SLOUT 18
+VOUT2 12
NF2 9
-VOUT2 11
IN2
8
LIMITER
Q661, 66 2
BOOSTER
Q653
BOOSTER
Q654
CURRENT
DETECT
Q661, 662
1
2
3
4
+
+
-
-
TB602
SURROUND
L
R
POWER AMP
IC701
CURRENT
DETECT
Q611, 612
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