
32
32
HCD-GNZ333D/GNZ444D
HCD-GNZ333D/GNZ444D
7-2. BLOCK DIAGRAM – VIDEO Section –
217
EEPROM
IC103
CE
WE
OE
117, 115, 135, 133-128, 126
158-160, 162, 164-166
22-26,
HIGHA0-7
IOA0-7, IOA18-IOA21
A16, A17
A1-A21
DATA & ADDRESS BUS
DATA & ADDRESS BUS
81-84,86-88,91
78, 89, 92, 93
HD0 – HD7
A0 – A21
HD0 – HD7
A0
CE
WE
OE
2,4,5,7,8,10,11,13,42,44,45,47,48,50,51,53
218
D/A CONVERTER
IC301
IC3771
IC3711
219
222
225
198
220
215
214
213
LT
FL
AU+5V
DVD
DIGITAL
OUT
VIDEO OUT BUFFER
IC701
(+2.5V)
208
206
VOICE
VIDEO MUTE
SCORE
SYSRESET
SW+5V
+3.3V
(DAVDD)
RF+3.3V
RF+1.8V
SW+3.3V
229
228
X101
27MHz
103
102
DC BIAS
Q3801
J701
VIDEO
OUT
•
R-ch is omitted due to same as L-ch.
• Signal Path
: AUDIO (DVD)
: VIDEO (DVD)
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
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