Sharp SG-290H - Page 5

SG-290H/HEB
FM_FRONT END
LED403
FM STEREO
INDICATOR Z
Qlol QI03
FM RF MIX
EXT.
ANT Q102 ic201
FM LOCAL osc ua devner dae
AM TUNER @) PLL MPX
AM
EXT.
ANT
AM BAR
ANTENNA SURO
Q203 VCO ADJ
MUTING
Q202
BUFFER
RADIO SIGNAL
J601
HEADPHONES
a
ae
CONTROL J ©
CARNE Se IC601, 1C602
0 PHONO SIGNAL () (2)
‘ OO POWER AMP &
sw20l (©)
VR6O! VR6O2 VR6O3
V () TONE VOLUME BALANCE SO60l
YS
Q603
SPEAKER
/ MUTING Cw)
2401
__,
au
MICROPHONE
K2) LPFSOI
1c 401 (SY |LPFSO2
om ~ TAPE PRE-AMP {
Ic SOl Ic502
+ DOLBY NR REC EQUALIZER
RECORD/ swaol »_fswad
PLAYBACK
R/P
5)
x
R/P
VR503,VR50
HEAD VRS5OI REC SENS,
vVR502
P.B SENS, sw40 LED402
BIAS ADJ. DOLBY NR , DOLBY NR
VR4Ol1, VR402 INDICATOR SW403B SW4034
TAPE SELECTOR
+B IOV +B 23V
DC POWER SUPPLY T701
a
POWER F701,F 702
INDICATO
FUSE
POWER
ACO
220¥
Figure 7 BLOCK DIAGRAM
-7-