
34
34
HCD-GNZ333D/GNZ444D
HCD-GNZ333D/GNZ444D
7-4. BLOCK DIAGRAM – DISPLAY Section –
KEY1
KEY2
FUNCTION KEY
S351,352
FUNCTION KEY
S304,305,311
S353 – 357
KEY3
FUNCTION KEY
S303,312,313
S358 – 362
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
DC VOLTAGE
DETECT
Q017,018
POWER
MONITOR
Q015
M2+
M2–
PROTECT
REG+9V
O-POWER
VCC
(IC401)
AVCC
(IC401)
MOTOR DRIVE CONTROL
Q451 – 454
+4V REG
Q491,492
RELAY DRIVE
Q016
X402
20MHz
X401
32.768kHz
SYSTEM CONTROL
IC401 (3/3)
LCD DISPLAY DRIVER
IC301
T002
POWER
TRANSFORMER
(SUB)
T001
POWER
TRANSFORMER
(MAIN)
D003
RECT
D001,002
RY002
L001
D027
VSTBY
AC DETECT
D024
D016 – 019
D012 – 015
D011
POWER
AMP
UNREG (+16V)
AU+5V
REG+9V
+VP
–VP
+9V
F004
F003
D493
D029
D028
D351
D303
(LCD BACK LIGHT)
"/1
STANDBY
DVD
MECHANISM
DECK
(3 DISK)
•
ND301
LEQUID
CRYSTAL
DISPLAY
PANEL
AC IN
S001
EXCEPT E13 MODEL
120V
220V
230 – 240V
VOLTAGE
SELECT
B+ SWITCH
Q011,012
SW+9V
SW+5V
SW+3.3V
F002
F001
1
44
49
52
45
48
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299