Sanyo DC D30 - Page 51

BLOCK DIAGRAM (TAPE DECK AMPLIFIER)
DECK A
: 1C370
PEAY BACK PRE-AMPLIFIER (3)
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| TRANSFORMER [JOS
| 03301
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BIAS-SHIFT
HEAQ DRIVER
BLOCK
TO PRE-AMPLIFIER PCB
TO CO/TUNER UNIT
03300 +3303
RECORD AMPLIFIER
(ie)LINE IN(L)
(ia)PLaY INCL)
IC351
(3)PLAY IN(R)
(1) LINE IN(R}
OOLBY NOISE REDUCTION
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REC ouT(R) (6)
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SWITCHING
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Q3107+3108
OUBBING H/L
SWITCHING
Q3106+3109
DECK A/B NORMAL /CHROME
SELECT SWITCHING
Q3105 +3302
DIAGRAM (FRONT)
TO FRONT SWITCH | PCB
TO FRONT SWITCH 2 PCB
TO TAPE DECK AMPLIFIER PCB
TO MECHANISM-8
REC MUTE
SWITCHING
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SWITCHING
"03101
102
Q3103+3104
DOLBY REC/PLAY
SWITCHING
°
2
~
3
TO POWER AMPLIFIR PCB
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—— FILTER FOR
SPECTRUM
ANALOZER,
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MICRO PROCESSOR
IC700
AF POWER
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RELAY DRIVER
04901
Q4903
. VOLTAGE
1SV REGULATOR
94904 04905
~15v VOLTAGE
REGULATOR
1c900
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FOR TAPE DECK
REGULATOR
1¢903
+ i2v VOLTAGE
£99
s1zv VOLTAGE
qSEGULATOR
1C302 ~
s12v VOLTAGE
REGULATOR
REGULATOR | “MB.
AMPLIFIER (3)
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SWITCHING
CN302
10 FRONT DISPLAY PCB
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RECTIFIER
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SPEAKER TERMINAL
POWER AMPLIFIER
-74-
P.T
SECONDARY
CB
AC-IN
|
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P.T
PRIMARY
PCB
BLOCK DIAGRAM (PRE-AMPLIFIER)
BLOCK
DIAGRAM
(SYSCON
&
POWER
AMPLIFIER)
TO TAPE DECK AMPLIFIER PCB
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| PRE-AMPLIFIER PCB
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+ +
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|SWITCHIN!
SWITCHING
T
VIDEO
a
alias
co
TAPE
301 C4309 FUNCTION KEY CONTROLLER
1C703 i
+ +
ELECTRONIC VOLUME
FOR GRAPHIC EQUAL
+
ul 4002
SWITCHING
ae Ce
Pp
oo
1C607
TO POWER AMPLIFIER PCB
ame ape eee ae
Q3202
LED DRIVER
TAPE B
TO POWER AMPLIFIER PCB
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18 te oe ta 1s 18
es a es Gis
PCB
FRONT SWITCH 1
TO SP TERMINAL PCB
PHONES |”
ssl
r sii
~
ak
TO PRE-AMPLIFIER PCB
BALANCE
ao
TO POWER AMPLIFIER PCB
TO FRONT PCB
Ic551
MICRO PROCESSOR
LCD ORIVER
LCD51
LIQUID CRYSTAL DISPLAY
0555! - D5570
|LED(LCD_BACK LIGHT)PCB!
-75-
O5503
LED
DRIVER
LED
ORIVER
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1210 8109 | P a 05501
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a
+4
KEY SWITCH
| FRONT DISPLAY P
|