CDX-454RF/454XRF
22
22
7-2.
BLOCK DIAGRAM – MAIN Section –
OUTPUT
CN703
22
LIN
1
RIN
A
(Page 21)
L, R
L
R
PRE-EMPHASIS
& LIMITER
PRE-EMPHASIS
& LIMITER
L. P. F.
L. P. F.
MPX
14
XIN
13
XOUT
OSC
MUTING
OSC
BUFFER, AMP
Q702
RF AMP
PHASE
DETECTOR
PROGRAM
COUNTER
SHIFT
REGISTER
X701
7.6MHz
5
MPX
ADJ
18
MUT
FM STEREO
TRANSMITTER
IC701
9
11
7
RF IN
PD
RF OUT
L. P. F.
RV701
TRANSMITTER
MODULATION
SENSITIVITY
5 4 3
DATA
CLK
CE
3
ACC
2
B. UP
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
8V
+10V
REGULATOR
Q311
+5V
REGULATOR
IC304
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
40 XTAL
41 EXTAL
80 KEYACK
95 ADON
58 KEYIN
9
7
MOTOR
DRIVE
IN1
IN2
OUT1
OUT2
ELEVATOR
MOTOR DRIVE
IC301
M
M104
(ELEVATOR)
X201
12MHz
KEY ACTIVE
SWITCH
Q231
KEY +5V
SWITCHING
Q232
44 LCDDATA
45 LCDCLK
37 LCDCE
43 LCDINH
6
7
4
5
8
3
DISPLAY
CN302
LCD +10V
POWER ON
LCDINH
LCDCE
LCDCLK
LCDDATA
KEYA/D
B. UP +5V
SYSTEM CONTROLLER
IC201 (2/2)
• SIGNAL PATH
: CD PLAY
RESET
HIGH VOLTAGE
DETECT
Q301
BATTERY
CHECK
Q301, 302
RESET SIGNAL
GENERATOR
IC303
D308
FM STEREO
TRANSMITTER
+5V
F301
D312
Summary of Contents for CDX-454RF - Compact Disc Changer System
Page 20: ...20 CDX 454RF 454XRF MEMO ...
Page 49: ...49 CDX 454RF 454XRF MEMO ...