3-5
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
A
RESET or Power On.
Flash Memory operates
properly?
Show LOGO?
Does Tray move inside when
it is not at closed position?
B
Check connection lines between
FLASH & ZR336888 and the FLASH
access time whether is suitable or not.
SDRAM works properly?
Check connection lines
between SDRAM & ZR36888
and the SDRAM is damaged.
ZR36882 VIDEO outputs
properly?
Check the related circuit of
ZR36888
Have TV signal output?
Check AV cable connection
to TV set.
Normal OUTSW & INSW
signals?
Check the filtering and amp
circuit of TV signal.
Check the load OPEN &
CLOSE switch
Normal OPEN & CLOSE
signal?
Check the Tray control IO
pins on ZR36888 &
AM5869S
Normal LOAD+ & LOAD
signal?
Check the cable connection
between main PCBA and
loader.
Check the Tray control
amplifying circuit on Motor
driver.
Summary of Contents for T515C
Page 27: ...3 16 FIG 7 2 DVD FIG 7 3 CD FACT FACT FE FE SBAD SBAD ...
Page 28: ...3 17 FIG 7 4 CD 8 FOCUS ON WAVEFORM FIG 8 1 DVD FE FOSO FACT FACT FACT FE SBAD ...
Page 34: ...3 23 2 Audio Related Signal FIG 14 2 AOUT0 ABCK ALRCLK ...
Page 48: ...3 45 3 46 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Page 49: ...3 47 3 48 2 KEY P C BOARD 3 TIMER P C BOARD TOP VIEW BOTTOM VIEW TOP VIEW BOTTOM VIEW ...
Page 51: ...3 51 3 52 6 KARAOKE P C BOARD KARAOKE MODEL ONLY 6 7 9 TOOL ...