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CX-JN331/JPK331
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26
CX-JN331/JPK331
7-3. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
–27V
REGULATOR
Q902
W001
(AC IN)
SUB POWER
TRANSFORMER
PT902
MAIN POWER
TRANSFORMER
PT901
RY901
VF1, 2
VDD2
VDD1,
VDD3/4
TO
FLUORESCENT
INDICATOR TUBE
–VFL
VP
RECT
D401
RECT
D301 – 304
AMP B+
AMP B–
D324 – 326
D321
D609
D610
D607, 608
D316
D908
RECT
D314, 315
VOLTAGE
SELECTOR
S901
B+3.5V
CD +3V
CD +1.5V
RECT
D309 – 312
RECT
D902 – 904
RY B+
CD M+7V
RECT
D305 – 308
UNREG +16V
B+9V
EVER +10V
M +9V
B+3.5V
B+ SWITCH
Q312
B+ SWITCH
Q604, 616
RESET SWITCH
Q605
B+ SWITCH
Q314, 315
RELAY DRIVE
Q361, 362
SYSTEM CONTROLLER
IC601 (3/3)
FRONT SP RELAY
FLUORESCENT
INDICATOR TUBE
FL601
43 – 45, 47 – 50,
LED601
I
/1
LED602
i-BASS
LED DRIVE
Q609
S601 – 610,
S621 – 630,
S641 – 650
(FRONT PANEL KEYS)
ROTARY
ENCODER
S660
VOLUME
ROTARY
ENCODER
S661
AMS/
TUNING
X601
32.768kHz
X602
10MHz
(JPK331: Mexican)
(JN331/JPK331: Chilean and Peruvian)
(JPK331: Mexican)
• SIGNAL PATH
: MIC
M +9V
MIC AGC
Q801
MIC DETECT
Q372
MUTING
Q802
VR801
MIC LEVEL
J802
MIC
(JPK331: Chilean and Peruvian)