Service manual

2828
HCD-GNZ55D
HCD-GNZ55D
6-2. BLOCK DIAGRAM — VIDEO SECTION —
DVD SYSTEM PROCESSOR
IC102(2/2)
217
ASDAT0
ASDAT1
ASDAT2
ASDAT4
225
SDPIF
EEPROM
IC103
6 5
SCL
SDA
CE
WE
OE
FLASH ROM
IC101
125-123, 121, 120, 118,
117, 115, 135, 133-128, 126
146, 147, 149-151,
158-160, 162, 164-166
22-26,
29-35
HIGHA0-7
IOA0-7, IOA18-IOA21
A16, A17
AD0 – AD7
A1-A21
DATA & ADDRESS BUS
DATA & ADDRESS BUS
81-84,86-88,91
53-61, 67-72, 74-76,
78, 89, 92, 93
HD0 – HD7 A0 – A21
HD0 – HD7
A0
2645
CE
WE
28
OE
11
A0 – A19DQ15/A-1
77
IOCS IOWA
79
IOUE
66
DQ0 – DQ7
RCLK
CE WE OE
SDRAM
IC104
38
DRCLK
RD0 – RD15
RA0 – RA11
RA0 – RA11
RD0 – RD15
142
RCS
19
RCS
138
RWE
16
RWE
140
RAS
18
RAS
139
CAS
17
CAS
DQM0
15
DQM0
DQM1
39
DQM1
CKE
37
DRCKE
102
SCL
103
SDA
143
BA0
20
BS0
BA1
21
BS1
29,31,33,35,38,40,42,44 25-16, 10 -1, 48
145 156 113 137 157
2,4,5,7,8,10,11,13,42,44,45,47,48,50,51,53
218
D/A CONVERTER
IC301
IC3711
219
222
198
YUV3
220
XRST
215
ACLK
214
ABCK
213
ALRCK
14
SDTI1
V
15
SDTI2
16
SDTI3
13
SDTI4
8
PDN
10
MCLK
9
BICK
17
LRCK
19
SCL
20
SDA
38
DOWNMIX L
37
2
FRONT L
1
DIGITAL
OPTICAL
TRANSMITTER
IC508
DVD
DIGITAL
OUT
LOUT4+
LOUT4–
(DMIXL)
LOUT1+
LOUT1–
(FL)
A
MAIN
SECTION
B
MAIN
SECTION
XTALI
XTALO
229
228
X101
27MHz
IC3771
• Signal Path
: VIDEO
: AUDIO
: DIGITAL
(Page 29)
(Page 29)