Block Diagram - Panel/Power Supply Section - Aiwa CX-JV77 Service Manual

CX-JV77
6-4. 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)
FRONT SP RELAY
(Page 25) H
X601
32.768kHz
X602
10MHz
CX-JV77
SYSTEM CONTROLLER
IC601 (3/3)
S1 – 21
O-VIDEO-POWER 94
G1 – G13
O-POWER LED 76
LED DRIVE
9 I-VOLUME-IN1 O-I-BASS LED 77
Q609
10 I-VOLUME-IN2
REMOTE CONTROL
81 I-MULTI-JOG IN1
I-SIRCS-IN 28 RECEIVER
82 I-MULTI-JOG IN2
IC610
I-KEY1 –
I-KEY3
12 I-XT1
13 O-XT2
15 CF1
I-AC CUT 29
16 CF2
RESET 11
O-POWER RELAY 74
+4.5V
REGULATOR
CD +4.5V
Q201
+2.5V
CD +2.5V REGULATOR
IC201
+3.3V
REGULATOR
CD +3.3V
IC202
+5V
B+ SWITCH
REGULATOR
CD +5V
Q301, 302
IC302
LED601
I/1
LED602
M +9V
i-BASS
CD M+7V
D316
B+ SWITCH
Q314, 315
D321
B+ SWITCH
RY B+
Q312
+12V
REGULATOR
FAN B+
Q311
B+ SWITCH
Q604, 616
D609
VDD2
D607, 608
VDD1,
VDD3/4
RESET SWITCH
Q605
26 26
MAIN POWER
TRANSFORMER
F904,
PT901
F905
AMP B+ 2
RECT AC-VL
D402
AMP B– 2
F908,
AMP B+ 1 F909
RECT AC-VH
D401
AMP B– 1
+3.3V F906
RECT AC3
REGULATOR
B+3.5V
D301 – 304
IC301
+9V
B+9V,
REGULATOR
MIC +9V
IC303
RECT
UNREG +16V
D305 – 308
D324 – 326 +9V
REGULATOR
IC304
F907
RECT AC4
D309 – 312
VF1, 2
TO
D908
FLUORESCENT
VP
RECT
–27V
INDICATOR TUBE
–VFL REGULATOR
Q902
EVER +10V
RECT
D902 – 904
B+3.5V
SUB POWER
TRANSFORMER
PT902
+3.3V
REGULATOR
IC603
D610
VOLTAGE
DETECT
IC604
VOLTAGE
SELECTOR W001
S901 (AC IN)
RY901
RELAY DRIVE
Q361, 362