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Color Television
Model
:
20S62(TDVCF2016)
4355
The picture process is the same as (c).
SIF signal is send to P57 of LA72670.
LA72670 can adjust it is a mono signal or stereo signal or sap signal.
After inner decoding, LA72670 will outpus the L and R sound signal at P78 and 80.
MM1492 receives the signal at P14/P15(VCR in).
MM1492 will output the signal at P36/P35 to TDA7449 for TV to process and amplify.
At the same time, MM1492 will get the signal at P26/P24(VCR out), and output it to P7/P69 of LA72670.
After inner decoding, LA72670 will output the A-R/A-COM/A-L signal to plug P201.
The DRUM gets the signal and write it on the tape.
(e) VCR is on play back mode, mono sound signal(normal).
VCR reads the video signal at DRUM and through the P201, the signal is send to LA71207.
If the tape is SP mode, the signal is received by LA71207 at P65/P66/P67. If the tape is SLP mode, it will be received at
P72/P73/P74.
LA71207 will send out ENVE signal at P14 to adjustment board for the VCR adjustment.
CVBS signal of tape will be send out at P26 of LA71207.
MM1492 receives the CVBS signal at P13(VCR in) and outputs it at P37(TV out).
Sound signal is read at ACE-HEAD of VCR and the signal is send to P6 of LA71207.
After inner decoding, sound signal is output at P10 and LA72670 receives it at P4.
Now P23 of LA72670 will be low voltage and send the informaiton to the P8 of MM37762.
After inner transferring, LA72670 will output the signal at P78/P80.
MM1492 receives the signal at P14/15.
(f)
VCR is on play back mode, HiFi sound signal.
VCR reads the signal through DRUM and the signal is transferred to P24/P26/P27 of LA72670.
LA72670 will decode the A-R/A-COM/A-L signal and output L/R sound signal at P78/P80.
After LA72670 receives the signal, it will outputs the high voltage at P23.
M37762 knows the information at P8 and sends out related orders.
MM1492 receives the signal at P14/P15(VCR in).
(g)
Working on the DVD mode.
DVD CVBS signal is send to P7 of MM1492.
DVD audio L/R signal is send to P8/P10 of MM1492.
(h) Working on VIDEO 1 mode.
CVBS signal is send to P1 of MM1492.
Audio L/R signal is send to P2/P4 of MM1492.
(i)
Working on VIDEO 2 mode.
CVBS signal is send to P16 of MM1492.
Audio L/R signal is send to P17/P18 of MM1492.
(6) Passwords of parental control in TV and DVD.
The initial password of parental control in TV is 0000. If users forget the password, 9443 can be used to regain the
password. This is a password which can be used forever.
The initial password of DVD is 1234. 1369 is a password which can be used forever.
Summary of Contents for TDVCF2016
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