Block Diagram - Panel/Power Supply Section - Aiwa CX-JN77 User Manual

CX-JN77
Q Q
3 7 6 3 1 5 1 5 0
6-3. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
FLUORESCENT
INDICATOR TUBE
FL601
ROTARY
VOLUME ENCODER
S660
ROTARY
AMS/
ENCODER
TUNING
S661
S601 – 610,
S621 – 630,
S641 – 650
(FRONT PANEL KEYS)
T E
L 1 3 9 4 2 2 9 6 5 1 3
FRONT SP RELAY
C
(Page 23)
X601
32.768kHz
X602
10MHz
w w w
SYSTEM CONTROLLER
IC601 (3/3)
O-POWER LED 76
S1 – 21
LED DRIVE
O-I-BASS LED 77
Q609
G1 – G13
REMOTE CONTROL
I-SIRCS-IN 28 RECEIVER
IC610
9 I-VOLUME-IN1
10 I-VOLUME-IN2
81 I-MULTI-JOG IN1
82 I-MULTI-JOG IN2
I-KEY1 –
I-KEY3
12 I-XT1
13 O-XT2
15 CF1 I-AC CUT 29
CF2
16 RESET 11
O-POWER RELAY 74
x a o
y
. i
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8
CD +1.5V
LED601
I/1
LED602
i-BASS
M +9V
CD M+7V
D316
B+ SWITCH
Q314, 315
D321
B+ SWITCH
RY B+
Q Q
3 7 6 3
+12V
FAN B+ REGULATOR
Q311
B+ SWITCH
Q604, 616
D609
VDD2
D607, 608
VDD1,
VDD3/4
RESET SWITCH
Q605
u 1 6 3
.
24 24
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2 4
9 9 8
MAIN POWER
(E51, MX)
TRANSFORMER
PT901
AMP B+ 2
RECT
D402
AMP B– 2
AMP B+ 1
+1.5V
RECT
REGULATOR
D401
AMP B– 1
IC303
+3.3V
CD +3V REGULATOR
D314, 315
IC302
+3.3V
RECT
B+3.5V REGULATOR
D301 – 304
IC301
+9V
REGULATOR
B+9V
IC303
RECT
UNREG +16V
D305 – 308
D324 – 326
+9V
REGULATOR
IC304
RECT
D309 – 312
Q312
1 5 1 5 0 8 9 2 4
VF1, 2
TO
D908
FLUORESCENT
VP
RECT
–27V
INDICATOR TUBE
REGULATOR
–VFL
Q902
EVER +10V
RECT
D902 – 904
B+3.5V
SUB POWER
TRANSFORMER
PT902
+3.3V
REGULATOR
IC603
D610
VOLTAGE
DETECT
IC604
m
c o
2
9 9
• Abbreviation
E51 : Chilean and Peruvian models
MX : Mexican model
9 8 2 9 9
(E51)
(EXCEPT E51)
VOLTAGE
SELECTOR W001
S901 (AC IN)
(EXCEPT E51)
RY901
RELAY DRIVE
Q361, 362