Sony CDX-540RF - Block Diagram - MAIN Section

2222
CDX-540RF/545RF/545XRF
7-2. BLOCK DIAGRAM – MAIN Section –
18
GAMMA
AMP
L IN
1
GAMMA
AMP
R IN
MPX
17 15 6 8
MPX BAL MPX BAL
TRANSMITTER
L/R BALANCE
RV701
X701
38kHz
OSC
BUFFER
13
MPX
MPX
IC701
38K 38K
A
(Page 21)
L, R L
R
BUFFER
Q701
RF AMP
Q702, 703
BUFFER, AMP
Q781, 782
15 11
PLL
5 4 3 1 2
DATA CLK CE
X781
7.2MHz
XOUT XIN
PD2 FMIN
PLL
IC781
3
ACC
2
B. UP
OUTPUT
CN703
POWER
CN303
98
97
96
PLLDATA
PLLCLK
PLLCE
PLLDATA
PLLCLK
PLLCE
62
ACCIN
60
MCK
PLLDATA PLLCLK PLLCE
ACCESSORY
CHECK
Q308
D311
59
EHS
51
AVREF
ELVON
RV201
ELEVATOR HEIGHT
(ADDRESS)
RV202
ELEVATOR HEIGHT
SENSOR
REFERENCE VOLTAGE
SWITCH
Q201
B. UP +5V
9
LCDON
36
+8V
REGULATOR
IC304
DRIVER +8V
+10V
REGULATOR
Q311
+5V
REGULATOR
IC304
MPX +5V
LCD +10V
REGULATOR
CONTROL
Q309, 310
BUCHK
75
D306
D302
D307
38
CDON
8
EJECT
63
SW302
(RESET)
B. UP +5V
KEY +5V
+5V
REGURATOR
Q303
+5V
REGURATOR
IC305
DAC/SERVO +5V
Z
SW301
76
MGLK
74
ELVF
73
ELVR
SW201
MAGAZINE
DETECT
ON : When magazine
is set
3
4
48
EEDATA
49
EECLK
40
XTAL
41
EXTAL
80 KEYACK
95
ADON
58
KEYIN
5
6
9
7
MOTOR
DRIVE
IN1
IN2
OUT1
OUT2
ELEVATOR
MOTOR DRIVE
IC301
M
M104
(ELEVATOR)
DATA
CLK
EEPROM
IC203
X201
12MHz
KEY ACTIVE
SWITCH
Q231
KEY +5V
SWITCHING
Q232
44
LCDDATA
45
LCDCLK
37
LCDCE
43
LCDINH
83
SIRCS
6
7
4
5
8
1
3
DISPLAY
CN302
+10V
POWER ON
SIRCS
LCDINH
LCDCE
LCDCLK
LCDDATA
KEYA/D
B. UP +5V
SYSTEM CONTROLLER
IC201 (2/2)
05
• SIGNAL PATH
: CD PLAY
RESET
DEVIATION
RV702
HIGH VOLTAGE
DETECT
Q301
BATTERY
CHECK
Q301, 302
BATT B+
BATT B+
RESET SIGNAL
GENERATOR
IC303
D308