Service manual
Table Of Contents
- CONTENTS
- TO SERVICE PERSONNEL
- WARNING: CHEMICAL CONTENT NOTICE!
- WARNING: Laser Safety
- Laser Emitting conditions:
- Laser Diode Properties
- WARNING
- WARNING LOCATION: REAR PANEL
- Warning for power supply
- PREVENTION OF ELECTRO STATIC DISCHARGE
- LOCALE MANAGEMENT INFORMATION
- FRONT PANELS
- REMOTE CONTROL
- REAR PANELS
- SPECIFICATIONS
- DISASSEMBLY PROCEDURES
- SERVICE POSITION
- DIAGNOSTIC SOFTWARE
- 1. End User/Dealer Script Interface
- 2. Player Script Interface
- 3. Menu and Command Mode Interface
- 4. Nuclei Error Codes
- 5. Loop tests
- 5.1 Nucleus 900: Digital Audio Loop
- 5.2 Nucleus 901: Audio User Dealer Loop
- 5.3 Nucleus 902: Digital Video Loop
- 5.4 Nucleus 903: Digital Video VBI Loop
- 5.5 Nucleus 904: System Video Loop
- 5.6 Nucleus 905: System Video VBI Loop
- 5.7 Nucleus 906: Video User Dealer Loop
- 5.8 Nucleus 907: Video VBI User Dealer Loop
- 5.9 Nucleus 908: System Audio Loop Scart (Europe)
- 5.10 Nucleus 909: System Audio Loop CINCH (Nafta)
- FAULTFINDING TREES
- ALIGNMENTS
- CIRCUIT DESCRIPTION
- ABBREVIATION LIST
- IC DATA
- BLOCK DIAGRAM
- WIRING DIAGRAM
- PRINTED CIRCUIT BOARD
- SCHEMATIC DIAGRAM
- POWER SUPPLY P.C.B. (A,B,G models)
- DISPLAY
- FRONT AV INPUT
- IR AND STANDBY
- FRONT DV INPUT
- ANALOG P.C.B. (U model)
- ANALOG P.C.B. (A,B,G models)
- ANALOG: All in One 1
- ANALOG: All in One 2
- ANALOG: TUNER / DEMODULATOR
- ANALOG: IN /OUT 1
- ANALOG: IN /OUT 2
- ANALOG: IN /OUT 3
- ANALOG: IN /OUT 4
- ANALOG: SOUND PROCESSING
- ANALOG: FOLLOW ME
- ANALOG: VPS
- ANALOG: POWER SUPPLY
- ANALOG: AUDIO CONVERTER
- ANALOG: RGB- YUV- CONVERTER
- ANALOG: DIGITAL IN / OUT
- ANALOG: FAN CONTROL
- DVIO
- DIGITAL
- DIGITAL: VSM, BUFFER MEMORY AND BIT ENGINE INTERFACE
- DIGITAL: AV DECODER STI5508
- DIGITAL: AV DECODER MEMORY
- DIGITAL: VIDEO ENCODER, EMPRESS
- DIGITAL: VIP CVBS Y/ C VIDEO INPUT
- DIGITAL: ANALOG P. C. B. CONS. VIDEO IN / OUTPUT
- DIGITAL: PROGRESSIVE SCAN
- DIGITAL: PROGRESSIVE SCAN
- DIGITAL: POWER, CLOCK, AND RESET AUDIO CLOCK
- EXPLODED VIEW (U model)
- EXPLODED VIEW (A, B, G models)
- MECHANICAL PARTS
- EXPLODED VIEW (FRONT ASS’Y)
- MECHANICAL PARTS (Front Ass’y)
- MECHANICAL PARTS (Accessories)
2
ABCDEFGH I J
1
3
4
5
7
DRX-1
6
180
DIGITAL: AV DECODER MEMORY
NC
DQMH
SENSE AMPLIFIERS
COMMAND
DECODE
CTRL
LOGIC
MODE REG
ADDRESS REGISTER
ROW
ADDR
MUX
LOGIC
CTRL
BANK
COLUMN
ADDR
COUNTER/
I/O GATING
DQM DATA LOGIC
READ DATA LATCH
WRITE DRIVERS
DATA INPUT REGISTER DATA OUTPUT REGISTER
DQML
VDDQ
VDD
NC
VSSQ VSS
LATCH
REFRESH
COUNTER
BANK0
ROW-
ADDR
LATCH &
DECODER
COLUMN
DEDCODER
BANK0
MEMORY
ARRAY
(4,096x256x16)
NC
SYSTEM CONTROL
FLASH 2
SDRAM
A
B
C C
SDRAM Interface
5 6 7 8 9 10 11 12 13 14
12345 14
D
E
F
G
H
I
A
B
AV Decoder Memory
SYSTEM ADDRESS BUS
SYSTEM DATA BUS
1234
OPTION
OPTION
6 7 8 9 10 11 12 13
FLASH 1
D
E
F
G
H
I
2306
100n
3300
2302
100n
GNDD
47R
2308
100n
GNDD
4301
100n
2309
12
13
7
14
11
74LVC00AD
7303-D
11
38
DQ5
40
DQ6
42
DQ7
44
DQ8
30
DQ9
32
E_
26
G_
28
10
13
14
RB_
15
RP_
12
VCC
37
VSS1
27
VSS2
46
W_
20
A6
19
A7
18
A8
8
A9
7
BYTE_
47
DQ0
29
DQ1
31
DQ10
34
DQ11
36
DQ12
39
DQ13
41
DQ14
43
45
DQ15|A-1
33
DQ2
DQ3
35
DQ4
A0
25
A1
24
A10
6
A11
5
A12
4
A13
3
A14
2
A15
1
A16
48
A17
17
A18
16
A19
9
A2
23
22
A3
21
A4
A5
M29W160DT
7302
I306
I309
I307
GNDD
100n
2301
I305
I304
GNDD
I303
47R
3301
I300
2310
GNDD
GNDD
GNDD
100n
GNDD
100n
2307
1
2
7
14
3
GNDD
7303-A
74LVC00AD
2304
4u7
GNDD
74LVC00AD
7303-C
9
10
7
14
8
2311
4u7
2303
100n
GNDD
2312
100n
2300
100n
4u7
2305
7303-B
74LVC00AD
4
5
7
14
6
I308
RB_
15
RP_
12
37
VCC
27
VSS1
46
VSS2
W_
11
41
DQ13
43
DQ14
DQ15|A-1
45
DQ2
33
35
DQ3
38
DQ4
40
DQ5
42
DQ6
44
DQ7
30
DQ8
32
DQ9
E_
26
G_
28
10
13
14
16
A18
9
A19
23
A2
A3
22
A4
21
20
A5
19
A6
18
A7
8
A8
7
A9
47
BYTE_
29
DQ0
31
DQ1
34
DQ10
36
DQ11
39
DQ12
7301
M29W160DT
25
A0
24
A1
6
A10
5
A11
4
A12
3
A13
2
A14
1
A15
48
A16
17
A17
16 WE_
I302
40
18 RAS_
11427 394349
28 41 546 124652
47DQ11
48DQ12
50DQ13
51DQ14
53DQ15
5DQ2
7DQ3
8DQ4
10DQ5
11DQ6
13DQ7
42DQ8
44DQ9
39DQMH
15DQML
36
26 A3
29 A4
30 A5
31 A6
32 A7
33 A8
34 A9
20 BA0
21 BA1
17 CAS_
37 CKE
38 CLK
19 CS_
2DQ0
4DQ1
45DQ10
7300
MT48LC4M16A2TG-7E
23 A0
24 A1
22 A10
35 A11
25 A2
100MHZ
5302
4300
GNDD
I301
5300
100MHZ
GNDD
{EMI_RWn,FLASH_OEN,EMI_CE2n,EMI_CE3n}
ROML_CEn
GNDD
VDD_FLASH_L
VDD_FLASH_L
ROMH_CEn
VDD_FLASH_H
VDD_STI
VDD_FLASH_H
ROML_CEn
+3V3
VDD_FLASH_L
VDD_STI
+3V3
VDD_FLASH_L
VDD_FLASH_L
VDD_FLASH_L
ROMH_CEn
2300 A14
2301 A14
2302 A14
2303 A13
2304 B8
2305 B6
2306 B6
2307 B9
2308 A13
2309 A13
2310 A13
2311 A11
2312 H7
3300 H8
3301 I8
4300 H9
4301 I9
5300 B5
5302 B8
7300 A11
7301 B8
7302 B6
7303-A H6
7303-B H7
7303-C I6
7303-D I7
■ SCHEMATIC DIAGRAM