SERVICE MANUAL
Document No
Date of Origin
Date of REV
51-L-DSR004
98-10-21
PAGE REV.
0
PAGE
3/102
S-00-005(96.03.27)
REV.1
6.
Diagnostics
6-1. Preparations-----------------------------------------------------------24
6-2. Setup -----------------------------------------------------------------24
6-3. Function
Keys ---------------------------------------------------------25
7.
Trouble
shooting
7-1.
Instrument-------------------------------------------------------------26
7-2.
Installation-----------------------------------------------------------27
7-3.
Basic Flow Chart-------------------------------------------------------28
7-4.
SMPS----------------------------------------------------------------29-30
7-5.
No Power---------------------------------------------------------------31
7-6.
Video---------------------------------------------------------------31-32
7-7.
Audio------------------------------------------------------------------33
7-8.
RF Modulator-----------------------------------------------------------34
7-9.
QPSK----------------------------------------------------------------34-39
7-10. ICAM ------------------------------------------------------------------40
7-11. G.729A -------------------------------------------------------------40-41
7-12. BEEP ---------------------------------------------------------------41-42
7-13. Interactive(Mondex)
Card Interface-------------------------------------42
7-14. NDS Card Interface--------------------------------------------------42-43
7-15. IEEE1394
-----------------------------------------------------------43-45
7-16. MODEM --------------------------------------------------------------45-46
8.
Block Diagram
-------------------------------------------47
9.
Part List
9-1. Main PCB Part List---------------------------------------------------48-54
9-2. Front PCB Part List-----------------------------------------------------55
9-3. MONDEX
PCB Part List---------------------------------------------------56
9-4. PCMCIA PCB Part List ---------------------------------------------------56
9-5. Packing
BOX Part List --------------------------------------------------57
9-4. Chassis
Part List ------------------------------------------------------58
10. Pin Description
10-1.
CPU (ST20TP2)
-----------------------------------------------------59-62
10-2.
A/V Decoder
(STi3520LCV)
---------------------------------------------63
10-3.
Video Encoder
(STV0119B)
---------------------------------------------64
10-4.
Audio Decoder
(CS4330)
-----------------------------------------------64
10-5.
G.729A (R6715-13)
----------------------------------------------------64
10-6.
MODEM Chipset
(R6741-28)
---------------------------------------------65
10-7.
Telephone
Line driver (MH88435)---------------------------------------65