Sony STR-KM7600 Service Manual page 48

STR-KM7600
• IC Block Diagrams
IC551 BD3470KS2 (MAIN BOARD)
80 79 78 77 76 75 74 73 72 71
GND 1
SUB1 ADC
HPFN 2
LPF01 3
LPF02 4
LPFN2 5
LPFN1 6
SWVOL 7
VCC 8
DGND 9
DA 10
LOGIC
CL 11
12
VEE
FR
FROUT 13
VOLUME
FL
FLOUT 14
VOLUME
SW
EQ
VOLUME
SWOUT 15
C
COUT 16
VOLUME
SR
SROUT 17
VOLUME
SL
SLOUT 18
VOLUME
SBR
SBROUT 19
VOLUME
SBL
SBLOUT 20
VOLUME
SUB2
21 22 23 24 25 26 27 28 29 30
STR-KM7600
70 69 68 67 66 65 64 63 62
SWITCH SWITCH SWITCH SWITCH
SWITCH
SWITCH
SWITCH SWITCH SWITCH SWITCH
REC
SWITCH SWITCH SWITCH
SWITCH SWITCH SWITCH SWITCH
31 32 33 34 35 36 37 38
IC600, IC601, IC602, IC603
IC STK350-530T-E (MAIN BOARD)
61
PROTECTOR
REG DRIVE
60 INR3
SWITCH
1 2
59 INL3
SWITCH
SWITCH 58 INR4
SWITCH 57 INL4
SWITCH 56 INR5
55 INL5
SWITCH
SWITCH 54 INR6
SWITCH 53 INL6
IC2000 TK11150CSCL-G (DIGITAL BOARD)
SWITCH 52 INR7
IC3509, IC3510
TK11150CSCL-G (HDMI PC BOARD)
51 INL7
SWITCH
50 INR8
SWITCH
SWITCH 49 INL8
SWITCH 48 INR9
CONTROL
CIRCUIT
SWITCH 47 INL9
46 INR10
SWITCH
SWITCH 45 INL10
1
44 INR11
SWITCH
SWITCH 43 INL11
SWITCH 42 INR12
IC2011 TC74VHC393FT (EL) (DIGITAL BOARD)
SWITCH 41 INL12
14 13
VCC
SWITCH
39 40
1 2
48 48
BIAS CIRCUIT
PRE PRE
DRIVE
DRIVE DRIVE
3 4 5 6 7 8 9 10 11 12 13 14 15
5 4
OVER HEAT &
OVER CURRENT
PROTECTION
–
+
BANDGAP
REFERENCE
2 3
12 11 10 9 8
Q Q Q Q
A B C D
A
CLEAR
CLEAR
A
Q Q Q Q
A B C D
GND
3 4 5 6 7
IC2008 SI-3050KM-TLS (DIGITAL BOARD)
IC2009 SI-3033KM-TLS (DIGITAL BOARD)
VC 1
VIN 2
GND 3
TSD
–
+
REF
VOUT 4
ADJ 5
IC2010 TC74WH74FU (TE12R) (DIGITAL BOARD)
8 7 6 5
S R Q
C D Q
1 2 3 4
IC2012 TC7WH157FK (TE85R) (DIGITAL BOARD)
8 VCC
11 7 ST
11 6
SELECT
EN G
A 1 A Y 5 Y
B 2 B Y
Y 3
GND 4