Block Diagram - Audio Section - Sony STR-KM5000 Service Manual

6-4.

BLOCK DIAGRAM - AUDIO Section -

L
TV IN
R R-CH
J401 (1/2)
L
SA-CD/CD
CD-R IN
R R-CH
L
DVD
AUDIO IN
R R-CH
J403
L
SAT
AUDIO IN
R R-CH
J404 (1/2)
L
VIDEO 1
AUDIO IN
R R-CH
J298 (2/2)
L
VIDEO 2 IN/
PORTABLE AV IN
AUDIO
R R-CH
L, C, SW, SL, SBL
F
(Page 16)
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: AUDIO (ANALOG)
: TUNER
CN1302 (1/2)
DMPORT
13
BUFFER
L+
IC3002
14
R+ R-CH
TUNER (FM/AM)
FM ANT L CH
FM 75Ω
R CH
COAXIAL
GND
ANTENNA
AM ANT
AM
GND
CLOCK
STR-KM5000
47 INL9 LOUT 76
RECL1 29
51 INL7
RECL2 27
41 INL12
FLOUT 14 6
43 INL11
38 INL13
SLOUT 18 6
55 INL5
INPUT SELECTOR,
ELECTRICAL VOLUME
IC400
SL
68 SLIN
C
70 CIN COUT 16 8
SW
71 SWIN
L
LIN
72
SBL
66 SBLIN
SBLOUT 20 6
SWOUT 15
61 INL2 (DMPORT_L)
63 INL1 (TUNER_L)
R-CH
10 11
24 25
DO 89 DO/SD/ST
DI 91 TUNER_DATA
SYSTEM CONTROLLER
90
TUNER_CLK
IC1101 (4/5)
CE 92 SLATCH
SD 43 TUNER_SD
L
SA-CD/CD
CD-R OUT
R-CH
R
L
POWER AMP
AUDIO OUT
IC700 R-CH
R
BOOSTER
+VOUT1 2
Q703
LIMITER
Q701, 702
IN1 NF1 5
BOOSTER CURRENT
-VOUT1 3
Q704
DETECT
Q711, 712
POWER AMP
IC800
BOOSTER
+VOUT1 2
Q803
LIMITER
Q801, 802
IN1 NF1 5
BOOSTER CURRENT
-VOUT1 3
Q804
DETECT
Q811, 812
POWER AMP
IC600
BOOSTER
+VOUT2 12
Q653
LIMITER
Q651, 652
IN2 NF2 9
BOOSTER CURRENT
-VOUT2 11
Q654 DETECT
Q661, 662
BOOSTER
+VOUT1 2
Q653
LIMITER
Q601, 602
IN1 NF1 5
BOOSTER CURRENT
-VOUT1 3
Q604
DETECT
Q611, 612
ANALOG AUDIO SWITCH
IC2100
LINE AMP
4 SW-L_IN SW-L_OUT 3
IC2101
13 MONO-SW_IN MONO-SW_OUT 12
11 MONO-SW_IN MONO-SW_OUT 10 R-CH
15 5 6 14
AUDIO ON/OFF
CONTROL
Q2100
AUDIO ON/OFF
CONTROL
Q2101
17 17
J401 (2/2)
J404 (2/2) R-CH
VIDEO 1
RELAY DRIVE
Q375
R-CH
AF POWER RELAY DRIVE
PROTECT Q350
Q720
R-CH
RELAY DRIVE
Q360
AF POWER
PROTECT
Q820
RELAY DRIVE
Q355
AF POWER
PROTECT
Q670
AF POWER
PROTECT
Q620
R-CH
RELAY DRIVE
Q2103
PROTECT
SWITCH
Q320, 321,
323 – 325
D1107
D1108
D1109
D1110
61 45 55 62 66 67 70
STR-KM5000
A_AUDIO
C (Page 14)
J790
PHONES
RY375
TB601
+
R
−
FRONT
+
−
L
RY350
TB605
+
SURROUND
−
BACK
+
R SPEAKERS
RY360
−
SURROUND
+
−
L
RY355
TB607
+
CENTER
−
R
J406
L
SUB WOOFER
AUDIO OUT
R
RY2101
L
P_DET
G
(Page 18)