HCD-GZR5D
HCD-GZR5D
34
34
7-4. BLOCK DIAGRAM – DISPLAY Section –
KEY1
KEY2
FUNCTION KEY
S311,315 – 317,351
FUNCTION KEY
S302,303,313
353 – 357
KEY3
FUNCTION KEY
S304 – 310,
312
MOTOR
DRIVE
Q459 – 462
LED DRIVER
Q301
SW8
SW6
SW5
SW7
SW1
SW2
SW3
M1+
M1–
S301
REMOTE CONTROL
RECEIVER
IC302
VOLUME
ROTARY
ENCODER
MOTOR
DRIVE
Q455 – 458
M2+
M2–
PROTECT
REG+9V
O-POWER
VCC
(IC401)
AVCC
(IC401)
MOTOR DRIVE CONTROL
Q451 – 454
+4V REG
Q491,492,494
RELAY DRIVE
Q016
X402
20MHz
X401
32.768kHz
SYSTEM CONTROL
IC401 (3/3)
LCD DRIVE
IC301
T002
POWER
TRANSFORMER
(SUB)
T001
POWER
TRANSFORMER
(MAIN)
D003
RECT
D001,002
RY002
D027
VSTBY
AC DETECT
D012,013
D014,015
D011
POWER
AMP
+VP
–VP
SW+5V
SW+3.3V
UNREG+7.6V
UNREG+16V
9V
D493
+4V
+9V
D029
D301
(LCD BACK LIGHT)
DVD
MECHANISM
DECK
(3 DISK)
ND301
LEQUID
CRYSTAL
DISPLAY
PANEL
EXCEPT UK MODEL
UK,TH
MODEL
120V
S001
220V
230 – 240V
VOLTAGE
SELECT
SW+9V
AU+5V
REG+9V
40
I
37
•
1
I
36
•
52
I
45
41
I
44
L001
AC IN
LED(RED)
DRIVE
Q821
VBUS
D825
D826
LED(BLUE)
DRIVE
Q822
VBUS
POWER
MONITOR
Q015
AU+5V REG
Q563
M+9V
M+9V SWITCH
Q017,018
Summary of Contents for CDM74HF-DVBU101
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