Block Diagram -Bus Control, Power Section - Sony CDX-MP80 Service Manual

CDX-MP80
4-4. BLOCK DIAGRAM — BUS CONTROL, POWER SECTION —
CD ON
MOTOR+
MOTOR-
LED ON
OPEN SENS
LOAD SENS
A
UNISI
CD
SECTION
UNI CLK
(Page 22)
BUS ON
BU IN
SYS RESET
UNISO
IR
RECEIVE
IC902
Q601
B+ (BATT)
(BUS CONTROL IN)
MOTOR
9
DRIVE
7
IC654
6
LED
DRIVE
Q410
LEVEL SHIFT
IC411
7 13
9 11
5 15
3 17
S1
(RESET)
X910
4MHz
B+ RESET
IC502
3 4 (BU+5V)
SIRCS
9 17
I/F
IC903
6
BUS I/F
Q604
IC601
RESET
2 13
BATT
BATT
CHECK 3 10
CHECK
Q603
4 11
7
9
BCLK
1 4
B DATA
2 5 6 8
BUS ON
3 6
BUS
BUS
1 12
CONTROL
8
ON
Q602
CN601
SYSTEM CONTROL
IC501 (2/2)
Q411
TEL ATT 16
35 CD ON IN
ILL IN 95
3 61
T-CLOSE
TEST IN 84
4 62 T-OPEN
101 MOTOR
ACC IN 81
CURRENT
CHECK 51 TR-DET
IC651(2/2)
60 LED ON
B+(SERVO+3.3V)
(IC1,2,6,8,9)
58 OPEN SENS
59 CLOSE SENS
83
PON
17 UNISI
TUNER ON 114
19 UNICLK
DDC ON 57
BUSON
14
77 BUIN
86 HSTX
90 RSTX
UNISO
18
85 RAM BU
6 SYS RST
TH501
FSW SFT 37
47 TEMP
24 SIRCS FSW IN 65
FLS PWON 82
DISPLAY CONTROL
IC702 (2/2)
63 L-RESET
BUFF
81 SYS RES
IC701
34 BU IN
SPE 49
ILL ON 52
101 UNICKI
97 UNISO
98 UNISI
38 BUSON
XTAL 85
X701
18.432MHz
EXTAL 86
50 LINKOFF
24 24
TEL MUTE
DETECT
Q406
ILLUMI
DETECT
Q407
ACC
DETECT
Q405
B+(MOTOR+9V)
9V REG
(IC653,654)
IC652
POWER
3.3V REG B+ (BATT)
SWITCH
IC402
(IC309)
Q401,402
POWER POWER
5V REG B+ (DD+5V)
B+(REF+5V)
SWITCH SWITCH
Q160
(IC2,3,5) (TUX201)
Q401,404
Q408,409
POWER
LEVEL
5V REG
SWITCH
DETECT
Q150
Q101,102
B+(BU+5V) IC102
TUX201,IC501,601
IC701,702
REG
Q113,116
B+(BU+3.3V) REG
(IC4,5,11,13,14,411) IC401
ON/OFF
DRIVE
Q103
FREQ
SHIFT
Q105
14
10
B+(AUD+3V) ON/OFF
3V REG
(IC1) DRIVE
Q117-119
Q106
POWER POWER
B+(TU+8.5V)
B+(AUD+8.5V)
SWITCH SWITCH
(TUX201,IC201)
IC301-305
Q107,108 Q110,111
307,310
5V
B+(TU+5V)
REG
(TUX201,IC202)
Q201
POWER
B+(LCD+B)
SWITCH
(IC901-903)
Q109,112
CN101 (2/2)
TEL MUTE
13
ILL
14
TEST
15
ACC
7
+B
16
AMP R
5
ANT R
6
9
VCC
7 OUT1
3 INA1
2 RT
INA2
OUT2
PWM CONTROL
IC101