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HCD-MD595
6-4.
D607 – 609
LCD BACK
LIGHT
VOLUME
D601 – 606
(Page 52)
BLOCK DIAGRAM – DISPLAY, POWER SUPPLY Section –
LIQUID CRYSTAL
DISPLAY UNIT
LCD600
SDA
7
LCD DATA
SCL
8
LCD CLK
RW/CS
14
LCD CE
RS
13
LCD CLEAR
LED DRIVE
49
DIMMER
Q603
REMOTE CONTROL
RECEIVER
93
SIRCS
IC602
ROTARY
68
ENC VOL A
ENCODER
69
ENC VOL B
S601
S602 – 618
LED MD-PAUSE
LED MD-PLAY
LED DRIVE
LED CD-PAUSE
Q604 – 606,
LED CD-PLAY
Q608 – 610
LED MD-REC
LED STANDBY
SYSTEM CONTROLLER
IC501 (2/2)
TR RELAY
47
LCD ON/OFF
31
P.DOWN
K
46
MD/CD POWER
RESET
34
05
D916, 917
CD+12V
ST+12V
M+7V
+3.3V
D+3V
REGULATOR
IC190
D1109
B+ SWITCH
CD A+5V
Q1101, 1102
D915
D912
D+5V
A +3.3V
D1102
D913
CD D+5V
SYS +3.3V
D1103
CDM+5V
B.UP +3.3V
+4V
B.UP +2.7V
REGULATOR
IC912
D924
D914
BT921
M+5V,
H+5V
D918, 1108
D923
LCD ON/OFF
LCD +5V
SWITCH
Q601, 602
SYS +5V
D922
RESET
RESET
SWITCH
SIGNAL GENERTOR
Q941
IC941
D941
54
54
• Abbreviation
AUS
: Australian model
CND
: Canadian model
HK
: Hong Kong model
JE
: Tourist model
: Malaysia model
MY
: Singapore model
SP
+12V
REGULATOR
IC901
+7V
REGULATOR
IC903
+5V
REGULATOR
IC914
+5.6V
REGULATOR
IC911
T900
POWER
TRANSFORMER
RECT
D982 – 985
+5V
RECT
(AUS)
REGULATOR
(US, CND,AEP, UK)
D981
IC913
AMP B+
RECT
AMP B–
D832
RY991
RELAY DRIVE
Q991
(MY, SP, HK, JE)
S991
VOLTAGE SELECTOR
220 – 240V
110 – 120V
+5.6V
RECT
REGULATOR
D971 – 974
IC921
(AEP, UK, AUS) (US, CND)
T901
POWER
RECT
TRANSFORMER
D992, 993
BDPWR
E
(Page 52)
(AC IN)
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