Block Diagram - Audio Section - Sony STR-K7200 - Av Receiver Component Service Manual

STR-K7200
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
XML
P
(Page 17)
L, C, SW, SL
(Page 17) R
CN1302 (2/3)
DMPORT
13
L+
14
R+ R-CH
FM 75Ω
COAXIAL
ANTENNA
AM
CN1302 (3/3)
DMPORT
5
CLINK_RX
6
CLINK_TX
7
DET
STR-K7200
INPUT SELECTOR,
ELECTRICAL VOLUME
IC400
47 INL9 LOUT 76
RECL1 29
51 INL7
RECL2 27
41 INL12
43 INL11
FLOUT 14
INL13
38
55 INL5
SLOUT 18
34 INL15
SL
68 SLIN
C
70 CIN
SW
71 SWIN
L
72 LIN
COUT 16
SWOUT 15
BUFFER
61 INL2 (DMPORT_L)
IC3002
TUNER (FM/AM)
FM ANT L CH 63 INL1 (TUNER_L)
R CH
R-CH
GND
AM ANT 10 11
GND
11 10
27
DO TUN_DO
DI 72 TUNER DATA
CLOCK 69 TUNER CLK
CE 26 TUN_LAT
SD 117 TUNE SD
100 CLINK_RX
99 CLINK_TX
101 C_LINK_DET
L
R-CH R
L
POWER AMP
IC700 R-CH
R
BOOSTER
+VOUT1 2
Q703
LIMITER
Q701, 702
6 IN1 NF1 5
CURRENT
DETECT
Q711, 712
BOOSTER
-VOUT1 3
Q704
POWER AMP
IC800
BOOSTER
+VOUT1 2
Q803
LIMITER
Q801, 802
6 IN1 NF1 5
CURRENT
DETECT
Q811, 812
BOOSTER
-VOUT1 3
Q804
POWER AMP
IC600
BOOSTER
+VOUT2 12
Q653
LIMITER
Q651, 652
8 IN2 NF2 9
CURRENT
DETECT
Q661, 662
BOOSTER
-VOUT2 11
Q654
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: AUDIO (ANALOG)
: TUNER
SYSTEM CONTROLLER
IC1010 (3/4)
18 18
J401 (2/2)
SA-CD/CD
CD-R OUT
R-CH
J404 (2/2)
VIDEO 1 RELAY
AUDIO OUT DRIVE
Q375
R-CH
AF POWER RELAY
PROTECT DRIVE
Q720 Q350
R-CH
RELAY
DRIVE
Q360
AF POWER
PROTECT
Q820
RELAY
DRIVE
Q355
AF POWER
PROTECT
Q670
RELAY
DRIVE
Q301
PROTECT
SWITCH
Q320, 321, 325
D1107
D1108
D1111
D1112
12 13 14 16 17
68 119
A_AUDIO
N
(Page 15)
J790
PHONES
RY375
TB601
+
R
−
FRONT
+
L
−
RY350
TB604
+
SPEAKERS
RY360
R
−
SURROUND
+
L
−
RY355
TB607
+
CENTER
−
J405
SUB WOOFER
AUDIO OUT
RY301
P_DET
Q
(Page 19)