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HCD-MD1EX
7-4.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
– 39 –
– 40 –
05
LED DRIVE
Q904
GRID DRIVE
Q902
GRID DRIVE
Q901
(AMBER)
(GREEN)
D907
MD
(
LED DRIVE
Q903
D902
(FOR ILLUMINATION)
MD
P
(AMBER)
(GREEN)
CD
(
CD
P
LED DRIVE
Q905
D905
REC
LED DRIVE
Q906
LED DRIVE
Q908
73
72
REMOTE CONTROL
RECEIVER
IC902
OSC
11
90
DATA
CLOCK
LED-MD PAUSE
68
LED-MD REC
70
LED-CD PLAY
LED DRIVE
Q909
D906
(MD DISC SLOT INDICATOR)
LED DRIVE
Q907
69
LED-CD PAUSE
67
LED-MD DISC
61
CD-POWER
LED-MD PLAY
CS
–27V
REGULATOR
Q503
+5V
REGULATOR
IC501
+3.3V
REGULATOR
IC192
B+ SWITCH
Q507, 508
–27V
FL DRIVER (IC901) B–
AC IN
AC
(TO FL901)
VF
VF
T901
POWER
TRANSFORMER
RY501
+3.3V
MD SERVO SECTION B+
+5V
MASTER CONTROLLER (IC707) B+
+5V
RDS DECODER (IC710) B+
D+5V
SYS +3.3V
MD SERVO SECTION B+
BACK UP +3.3V
MD MECHANISM
CONTROLLER (IC316) B+
BA701
LITHIUM
BATTERY
RECT
D503 – 505
D507
D709
D717
D716
D506
ST +12V
FM/AM TUNER UNIT B+
A+7.5V
M62428AFP (IC705) B+
POWER AMP
(IC506)
B+
B–
FAN MOTOR
(M501) B–
RECT
D510 – 513
+12V
REGULATOR
IC505
+7.5V
REGULATOR
Q509
AD/DA +5V
A/D, D/A CONVERTER (IC201) B+
MOTOR +7V
CD MOTOR/COIL DRIVER (IC102),
CD LOADING MOTOR DRIVER (IC702),
MD LOADING MOTOR DRIVER (IC153) B+
+7V
REGULATOR
IC504
+5.7V
REGULATOR
IC503
VOLTAGE
SELECTOR
S101
+3.3V
REGULATOR
IC502
D713
D719
D718
D714
D715
RECT
D509
RECT
D524, 525
RELAY DRIVE
Q506
10 – 1, 64 – 62
59 – 33, 31 – 24
DIG2 – DIG14
SEG0 – SEG34
25 – 27
KEY0 – KEY2
FLUORESCENT
INDICATOR TUBE
FL901
FL/LED DRIVER
IC901
CD +5V
CD SERVO SECTION B+
MOTOR +5V
MD MOTOR/COIL DRIVER (IC152),
OVER WRITE HEAD DRIVE CIRCUIT B+
14
SDATA
15 SCK
16
42
43
44
CS
RESET
13
45
RST
SIRCS
S901 – 915
61
DIG1
17
P1
DIG15
21
XIN
C910, R906
20
XOUT
MASTER CONTROLLER
(SYSTEM CONTROL)
IC707 (3/3)
D903
PWR-DWN
(Page 38)
F
RELAY
(Page 38)
E
Except Singapore,
Hong Kong models
Singapore, Hong Kong models
Summary of Contents for HCD-MD1EX - System
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Page 11: ... 11 This section is extracted from instruction manual ...
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