-7-
Service Manual EH1 chassis
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BAND1
BAND2
BAND3
X'TAL
OSC for
CPU
KEY SCAN & OP
SIF SW L/L'
POWER ON/OFF
AFT-S
BLUE (OSD)
GREEN (OSD)
RED (OSD)
BLANKING (OSD)
H-SYNC
V-SYNC
RESET
AKB/2V
SYNC IDENT
RC SIGNAL
SOUND MUTE
IC101 IF
MEMORY
IC802
KEY SWITCHES
POWER
SUPPLY
CIRCUIT
IC801
CPU
D615
TUNER
TU
VL
VH
U
TUNING
IF-AGC
FRONT AV SW.
50/60Hz SW
STILL
DECAUS. COIL SW.
LED DRIVE
IGNORE
CVBS TV
CVBS AV
FRAME
VIDEO MUTE
I
2
C BUS SCL
I
2
C BUS SDA
SCL-NVM
SDA-NVM
AFT-S
VERTICAL
DEFLECTION
CIRCUIT
HORIZONTAL
DEFLECTION
CIRCUIT
POWER FAILURE DETECTION
Q801
Q103/Q802
Q101/Q804
Q102/Q803
Q604
Q104
Q111
IF-AGC
I
2
C BUS Control
IC001 AUDIO OUT
IC350 SYNC ID
VIDEO-in
DOUBLE
SCAN
CONVERTER
VIDEO
CONTROLLER
IC202
VIDEO
CHRAMA
DEF.
Y
R-Y
B-Y
To Scan Converter
VL
VH
U
STANDBY
ON
NORMAL
ON
60Hz
ON
MUTE
SYNC ON
MUTE ON
ON
OP
System control
Summary of Contents for 28H1
Page 52: ...SANYO ELECTRIC CO LTD SERVICE MANUAL FOR EH1 CHASSIS ...
Page 61: ...Part No 1AA6P2P0675 F3TT SHEET 5 7 POWER DEF BOARD Circuit side ...
Page 62: ...MAIN BOARD Circuit side ...
Page 75: ...Part No 1AA6P2P0674 F3TV SHEET 5 7 POWER DEF BOARD Circuit side ...
Page 76: ...MAIN BOARD Circuit side ...