Sony CDX-GT610UI / CDX-GT61UI Service Manual ▷ View online
29
29
CDX-GT61UI/GT610UI
CDX-GT61UI/GT610UI
5-9. SCHEMATIC DIAGRAM — KEY SECTION —
(Page 27)
R901
R904
R888
R889
R887
R978
R984
R983
R909
R910
Q882
Q881
Q883
R911
R912
R914
R915
R906
R907
R908
R902
R903
R977
R913
R982
R881
R886
R883
R885
R884
IC972
D904
D908
D906
D907
D905
R974
R975
R976
D
971
R844
R850
R852
R854
R860
R964
R965
R855
R856
R961
R857
R962
R963
R842
R845
R846
R841
R843
R849
R851
R853
R859
FB901
FB903
FB902
J901
FB905
FB904
LF901
C905
S901
S902
S903
S904
LSW
901(2/2)
LSW
902(2/2)
S907
S908
S909
S910
S911
S912
S913
S914
S9
15
S906
R922
R921
C841
C843
LSW901(1/2)
LSW902(1/2)
C974
C979
C977
C976
C975
C904
C982
C981
FB906
FB907
D909
RB901
D903
R971
R905
C842
R995
R
994
R9
93
R
882
R988
R989
CN902
CN901
IC971
FL901
RE901
LED842
LED841
LED843
LED844
LED845
LED846
LED847
LED850
LED851
LED852
LED853
LED854
LED855
LED857
LED856
LED962
LED963
LED961
R981
D
955
D
951
D
953
R947
R948
30
30
CDX-GT61UI/GT610UI
CDX-GT61UI/GT610UI
• IC BLOCK DIAGRAMS
IC300 TDA8588AJ/N2/R1 (MAIN Board (1/4))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL–
OUT-FL+
OUT-RL–
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR–
OUT-FR+
OUT-FR–
DIAG
ANT-REM
AMP-REM
SERVO3.3V
MECH6V
VP
BU+B
SDA
SCL
VP2
PGND1
SVR
IN-FL
IN-FR
BEEP
PGND3
VP1
STB
PGND4
RST
CRES
AUDIO+B
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
IC601 BA8271F-E2 (MAIN Board (1/4))
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS IN
BUS IN
CLK IN
B/U–C
DATA IN
DATA OUT
DATA I/O
IC401 BD3442FS-E2 (MAIN Board (2/4))
1
2
BUS-RCH
100k
100k
100k
100k
100k
100k
250k
250k
250k
BUS-LCH
TU-RCH 3
4
TU-LCH
5
CD-RCH
6
CD-LCH
7
AUX-RCH
8
AUX-GND
9
AUX-LCH
10
DS3-L
11
DS1-L
12
DS2-L
13
EBIAS
14
DS2-R
15
DS1-R
16
DS3-R
26 OUT-FR
27 VCC
VCC
VCC2
28 MUTE
29 SCL
30 SDA
31 GND
32 FIL
INPUT
SELECTOR
VOLUME1
/MUTE
VOLUME2
I2C
BUS
LOGIC
TREBLE
/BASS
/MIDDLE
SPECTRUM
ANALYZER
FADER
25 OUT-FL
24 OUT-RR
23 OUT-RL
FADER
FADER
22 SUBOUT-R
21
20
SUBOUT-L
19
ADJ
18
SAOUT
17
SADA
SACLK
FADER
FADER
LPF
EFFECT
INPUT
GAIN
FADER
IC200 BA3121F-E2
(MAIN Board (2/4))
(MAIN Board (2/4))
AMP
8
4
3
2
1
OUT1
VM1
IN1
GND
VCC
OUT2
VM2
IN2
AMP
7
6
5
31
CDX-GT61UI/GT610UI
IC250 ATMEGA32L-8AU-S2 (MAIN Board (4/4))
PROGRAM
COUNTER
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
CONTROL
LINES
PROGRAM
FLASH
STACK
POINTER
SRAM
GENERAL
PURPOSE
REGISTERS
ALU
AVR CPU
Z
Y
X
EEPROM
OSCILLATOR
ADC
INTERFACE
TIMERS
/COUNTERS
OSCILLATOR
TWI
MCU CTRL.
& TIMING
INTERNAL
CALIBRATED
OSCILLATOR
OSCILLATOR
STATUS
REGISTER
PROGRAMMING
LOGIC
PORT B
DIGITAL
INTERFACE
PORT B
DRIVERS
/BUFFERS
40
41
42
43
44
34
ADC3
ADC4
ADC5
ADC6
ADC7
AREF
GND
AVCC
TOSC2
TOSC1
TDI
TDO
MOSI
MISO
SCK
RESET
VCC
GND
XTAL2
XTAL1
RXD
TXD
INTO
ADC2
ADC1
ADC0
VCC
GND
XCK/T0
T1
AIN0/INT2
AIN1/OC0
SS
TMC
TCK
SDA
SCL
OC2
ICP1
VCC
GND
INT1
OC1A
OC1B
30
31
32
33
35
36
37
38
39
2
1
3
4
5
9
10
11
7
8
6
INTERRUPT
UNIT
INTERNAL
OSCILLATOR
WATCHDOG
TIMER
PORT A
DIGITAL
INTERFACE
PORT A
DRIVERS
/BUFFERS
PORT C
DRIVERS
/BUFFERS
22
25
26
27
28
29
23
24
21
20
19
13
12
14
15
16
17
18
PORT C
DIGITAL
INTERFACE
PORT D
DIGITAL
INTERFACE
PORT D
DRIVERS
/BUFFERS
COMP.
INTERFACE
USART
SPI
MUX &
ADC
32
CDX-GT61UI/GT610UI
IC801 NJM2387ADL3 (MAIN Board (4/4))
IC802 NJM2387ADL3 (MAIN Board (4/4))
IC802 NJM2387ADL3 (MAIN Board (4/4))
1
2
3
4
5
CURRENT
LIMIT
THERMAL
PROTECTION
OVERVOLTAGE
PROTECTION
BANDGAP
REFERENCE
VIN
CONT
VOUT
VADJ
GND
IC803 BD9778HFP (MAIN Board (4/4))
1
2
3
4
5
CURRENT
LIMIT
PWM
COMPARATOR
ERROR
AMP
L:OFF
H:ON
H:ON
VREF
VIN
TSD
OSC
VIN
SW
FB
GND
INV
6
RT
7
EN
VREF
SOFT
START
ON/OFF
LATCH
DRIVER
RESET
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