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)
DRX-1
DRX-1
104
PSEN
EAV
PP
ALE
RST
XTAL1 XTAL2
V
CC
V
SS
PORT 0
DRIVERS
PORT 2
DRIVERS
RAM ADDR
REGISTER
RAM
PORT 0
LATCH
PORT 2
LATCH
FLASH
REGISTER
B
ACC
STACK
POINTER
TMP2
TMP1
ALU
TIMING
AND
CONTROL
INSTRUCTION
REGISTER
PD
OSCILLATOR
PSW
PORT 1
LATCH
PORT 3
LATCH
PORT 1
DRIVERS
PORT 3
DRIVERS
PROGRAM
ADDRESS
REGISTER
BUFFER
PC
INCRE-
MENTER
PROGRAM
COUNTER
DPTR'S
MULTIPLE
P1.0±P1.7
P3.0±P3.7
P0.0±P0.7 P2.0±P2.7
SFRs
TIMERS
P.C.A.
8
8 16
LCC
6140
7
17
39
29
18 28
Pin Function
1NIC*
2 P1.0/T2
3 P1.1/T2EX
4 P1.2/ECI
5 P1.3/CEX0
6 P1.4/CEX1
7 P1.5/CEX2
8 P1.6/CEX3
9 P1.7/CEX4
10 RST
11 P3.0/RxD
12 NIC*
13 P3.1/TxD
14 P3.2/INT0
15 P3.3/INT1
Pin Function
16 P3.4/T0
17 P3.5/T1
18 P3.6/WR
19 P3.7/RD
20 XTAL2
21 XTAL1
22 V
SS
23 NIC*
24 P2.0/A8
25 P2.1/A9
26 P2.2/A10
27 P2.3/A11
28 P2.4/A12
29 P2.5/A13
30 P2.6/A14
Pin Function
31 P2.7/A15
32 PSEN
33 ALE/PROG
34 NIC*
35 EA
/V
PP
36 P0.7/AD7
37 P0.6/AD6
38 P0.5/AD5
39 P0.4/AD4
40 P0.3/AD3
41 P0.2/AD2
42 P0.1/AD1
43 P0.0/AD0
44 V
CC
* NO INTERNAL CONNECTION
P89C51RD: IC7203