Block Diagram - Main Section - Sony CDX-434RF Service Manual

CDX-434RF/530RF/535RF
7-2. BLOCK DIAGRAM – MAIN Section –
L, R L L IN
A
18
(Page 23)
R R IN
1
TRANSMITTER
L/R BALANCE
SW201
MAGAZINE IN/OUT
DETECT
ON : When magazine 76 MGLK
is set
ELEVATOR
MOTOR DRIVE
IC301
OUT1 IN1
M104
9 MOTOR 3 74 ELVF
M
OUT2
(ELEVATOR) IN2
DRIVE
7 4 73 ELVR
EEPROM
IC203
DATA 5 48 EEDATA
CLK 6 49 EECLK
(530RF/535RF)
40 XTAL
X201
12MHz
41 EXTAL
KEY ACTIVE
80 KEYACK
KEY +5V SWITCH
CN302 Q231
DISPLAY
95 ADON
6
SWITCHING
KEYA/D 58 KEYIN
Q232
7
LCDDATA 44 LCDDATA
4
LCDCLK 45 LCDCLK
5
LCDCE 37 LCDCE
8
LCDINH 43 LCDINH
1
SIRCS 83 SIRCS
(530RF/535RF)
3
POWER ON +10V
05
24
MPX
IC701
DEVIATION
MPX
GAMMA BUFFER
BUFFER 13
AMP Q701
MPX
GAMMA
OSC
AMP
17 15 6 8
RV701
X701
38kHz
SYSTEM CONTROLLER
IC201 (2/2)
PLLDATA
PLLDATA 98
PLLCLK
PLLCLK 97
PLLCE
PLLCE 96
ACCIN
62
RV201
ELEVATOR HEIGHT
MCK 60
(ADDRESS)
RV202
ELEVATOR HEIGHT
EHS 59
SENSOR
REFERENCE VOLTAGE
VREF 51 SWITCH
Q201
ELVON 9
LCDON 36
BATTERY
BUCHK 75
CHECK
Q301, 302
RESET SIGNAL
RESET 38 GENERATOR
IC303
SW302
(RESET)
SW301
Z
EJECT 63 B. UP +5V
CDON 8
24
RV702
RF AMP
Q702, 703
PLL
IC781
PD2 FMIN
BUFFER, AMP
15 PLL 11
Q781, 782
5 4 3 1 2
X781
7.2MHz
D311
ACCESSORY
CHECK
Q308
D302
HIGH VOLTAGE
DETECT
Q301
+8V
B. UP +5V DRIVER +8V REGULATOR
IC304
+5V
MPX +5V
REGULATOR
IC304
+10V
LCD +10V REGULATOR
Q311
REGULATOR
CONTROL
Q309, 310
D306
D307
B. UP +5V
+5V
KEY +5V REGURATOR
Q303
D308
+5V
DAC/SERVO +5V REGURATOR
IC305
CN703
OUTPUT
CN303
POWER
3
ACC
2
B. UP
• SIGNAL PATH
: CD