Marantz SR-19EX - Trouble Shooting

66
11. TROUBLE SHOOTING
U:PB14/C,K,S:PB64 or
connection has any problem
P804,or Main Transf (U:L001
C,K,S:L051) has any problem
no
yes
no
yes
no
yes
no
no
yes
yes
no
yes
No Power
Standby
LED Lights up on
standby mode
FLD shows
ERROR PWR1
?
Supply +24V
to PY04?
PY04 has any problem.
QY01(92p, 93p) lnput level
is too Low.
Can P804
supply +15V ?
Connection has
problem
PS04,or Sub Transf (U:L002
C,K,S:L052) has any problem
Vkk or FL is not supplied
to PU04
Power supply circuite (PS04)
has any problem.
To be check +5VL or
PDOWN signal.
Supply +15V
to PY04?
Can PS04
supply +24V ?
no
yes
U:LB03/C,K,S:LB53
Relay
Control is
Ok ?
OSD IC (QL09, QZ11) or have
no
driver QL08, QZ09 and QZ10
have any trouble
yes
no
yes
Input to OSD IC(QL09, QZ11) has any trouble.
Video input detection has any trouble.
To be ckeck SYNC DET1, SYNC DET2
No picture
from Monitor output
OSD menu is
shown?
Video Input select circutes
have problem
VCR1&2 out
are OK ?
Video output stage are no problem
OSD ICs control is no problem