Sony STR-KM22 - Page 49

STR-KM22/KM55/KM77
49
IC2110 TC7WHU04FK (MAIN BOARD (5/9))
IC2113 MM1839A50NRE (MAIN BOARD (6/9))
1A 3Y 2A GND
VCC 1Y 3A 2Y
1 2 3 4
8 7 6 5
tnoC1
DNG2
3NC
4 Vout
5Vin
Current
Limit
Bias
Vref
+
–
Thermal
shutdown
IC2105 BU4229F-TR (MAIN BOARD (6/9))
IC2117 BU4229F-TR (MAIN BOARD (7/9))
IC2803 BU4229F-TR (MAIN BOARD (9/9))
IC2107 BR24T64FJ-WE2 (MAIN BOARD (7/9))
+
–
12
4
Vref
Vout CT
GND VDD
3
1
A0
A1 2
A2 3
GND 4
1Kbit~1024Kbit EEPROM array
Address
decoder
7bit
8bit
9bit
10bit
11bit
12bit
13bit
14bit
15bit
16bit
17bit
*1
*1
Control circuit
START STOP
ACK
High voltage
generating circuit
Power source
voltage detection
Word
address register
Data
register
Vcc
8
WP
7
SCL
6
SDA
5
8bit
IC2104 PCM1681GPWPR (MAIN BOARD (6/9))
MS/ADR/FMT1 2
MC/SCL/DEMP 3
SCK 5
DATA1
6
MD/SDA/MUTE 4
ZR1/ZR1/FMT0 1
FUNCTION
CONTROL
INTERFACE
BCK 7
LRCK 8
VDD
9
DGND
10
DATA2 11
DATA3 12
DATA4 13
MSEL
14
SERIAL
INPUT
INTERFACE
8
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTILEVEL
DELTA-SIGMA
MODULATOR
SYSTEM CLOCK
MANAGER
ZERO
DETECT
POWER
SUPPLY
SYSTEM
CLOCK
ZR228
VOUT127
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
VOUT226
VCOM25
AGND224
VCC223
VOUT322
VOUT421
VOUT520
VOUT619
AGND118
VCC1
17
VOUT716
VOUT815
D/A
CONVERTER