Sony Ericsson CDX-M620 - Manual (Page 54)

54 54
CDX-M620/M670
1 BOOST
5 VOUT
6 LV
7 OSC
8 V+
2 CAP+
3 GND
4 CAP–
RC
OSCILLATOR
INTERNAL
VOLTAGE
REGULATOR
RC
OSCILLATOR
LOGIC
NETWORK
+2
IC306 TC7660SE0A713 IC7 LA6576L-TE-L IC1 CXA2596M
• IC BLOCK DIAGRAMS
IC202 SAA6588T-V2-118
IC601 BA8270F-E2
1 36 FWD
2 REV
3 VCC2
4 VL0–
5 VL0+
6 VO4+
7 VO4–
8 VO3+
9 VO3–
S-GND
35 MUTE2
34 MUTE1
33 VIN4
31 VIN4+
30 VREF-IN
29 VIN1-SW
28 VREF-OUT
10 VO2+ 27 REG-OUT
11 VO2– 26 REG-IN
12 VO1+
13 VO1–
14 VCC1
15 VIN1
16 VIN1–A
17 VIN1+A
18 VIN1–B
25 VIN3+
24 VIN3–
23 VIN3
32 VIN4–
INPUT
OUTPUT
CONTROL
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
AMP-A
AMP-B
VIN1/VREF SW
MUTE1
MUTE2
CH2-CH4 OUTPUT
ON/OFF
CH1 OUTPUT
ON/OFF
GND
5V REG
+
–
+
–
22 VIN2+
21 VIN2–
20 VIN2
19 VIN1 +B
+
–
+
–
1
2
3
4
5
6
7 8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RESET
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
1 24 HOLD
2 AGCVTH
3 LD
4 PD
5 A
6 B
7 C
8 D
9 VEE
VEE
VCC
APC PD AMP
+
–
+
–
+
–
+
– VEE VREF 1.25V
VCC
APC LD AMP
+
–
VC
VC
VCC
VCC
23 LC/PD
22 LD ON
21 HOLD SW
19 RF BOT
18 RFTC
17 RF I
16 RFO
10 F 15 RFE
11 E 14 FE
12 VC 13 TE
20 AGCCONT
+
–
+
–
+
–
+
–
VC
VEE
+
–
VC
VC
VC
VC
VC
VC
VC
+
–
+
–
+
–
+
–
+
–
VC
+
–
RF SUMMING AMP RF EQ AMP
TRACKING
ERROR AMP
VEE ERROR AMP
FOCUS
VC BUFFER VCC
VEE
SCOUT
MRO MPTH TCON OSCO OSCI VSSD VDDD DAVN SDA
VREF MPX VSSA VDDA AFIN MAD PSWN
SCL
2 1 6
15 11 13 16 14 12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17 18
CIN
19
LVIN
20
8 7
DATA
CLOCK
DATA
CLOCK
4 4 5
9 10 3 4 5
IC651 BA6288FS-E2
REFERENCE
VOLTAGE
LATCH
TRIANGLE
OSCILLATOR
VERF.
+2.5V
+2.5V
+
–
U.V.L.O
–
+
+
–
1 2 3 4 5 6 7 8
9 10 16 15 14 13 12 11
PWM
COMPA-
RATOR2
OUTPUT2
OUTPUT1
GND
PWM
COMPA-
RATOR1
VERF
S R R
VERF VERF
ERROR
AMP2
ERROR
AMP1
VREF/2
SHORT
CIRCUIT
PROTECTION
COMPARATOR
VCC
+
REFO S.C.P INA2 INB2 FB2 DTC2 OUT2 VCC
GND OUT1
RT
INA1 INB1 FB1
DTC1
CT
CONTROL LOGIC
TSD
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
NC
OUT1
M BATT
VCC
CLOSE
NC
NC
RNF
NC
OUT2
NC
VREF
OPEN
NC
NC
DRIVER DRIVER
POWER
SAVE
1 2 3
4 5
CD NC
OUT VDD GND
RESET
IC101 TL1451ACDB-E20
IC102 RN5VD53AA-TL