Block Diagram - Power Supply Section - Aiwa CX-BK33 Service Manual

CX-BK33
Q Q
3 7 6 3 1 5 1 5 0
7-4. BLOCK DIAGRAM – POWER SUPPLY Section –
POWER,
POWER MONITOR
(Page 33)
H
USB ON,
TUNER ON, CD ON USB ON
(Page 32)
F
TUNER ON
T E
L 1 3 9 4 2 2 9 6 5 1 3
CD ON
POWER_DOWN,
RESET
POWER_DOWN
(Page 33) J
RESET
w w w
POWER MONITOR
+9V
VCC 9V REGULATOR
Q050, 051
POWER
+5V
B+ SWITCH
USB 5V REGULATOR
Q700, 701
IC701
VM 10V
TU 9V
REGULATOR
CONTROL
Q891, 892
+3.3V
FR VDD (3.3V) REGULATOR
+2.5V Q018, 019
SERVO
REGULATOR
+2.5V
IC121
B+ SWITCH
VDD (3.3V)
Q024, 025
x a o
y
. i
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8
+VH
VOLTAGE DC UNBALANCE
AC DETECT + +
DETECT DETECT
Q105, 106
Q107 – 109 D139, 140
DC UNBALANCE
DETECT
D112, 113
OVER CURRENT
DETECT
+VL
Q110
OVER CURRENT
DETECT
Q102 – 104
+10V
REGULATOR
IC101
+9V
REGULATOR
Q890
FAN B+
+12V
M+12V,
REGULATOR
VM, +12V
IC003
D002
Q Q
3 7 6 3
(AEP, UK)
+7V
CD VM (7V),
REGULATOR
+7V
IC001
(Chilean, Peruvian)
VDD
D902
B+ SWITCH
EVER 3.3V
Q901, 906
VOLTAGE
DETECT
IC904
D906
RESET SIGNAL
GENERATOR
IC902
u 1 6 3
.
34 34
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2 4
9 9
– VH
RECT
+
D116, 117
– VL
RECT
D120, 121
VM +9V
D111 RECT
RECT
D114, 115
POWER TRANSFORMER
(MAIN)
PT002 (Chilean, Peruvian)
PT003 (AEP, UK)
VH
+VH
RECT
VH
D004
– VH
1 5 1 5 0 8 9 2
+VL VL
RECT
VL
D002
– VL
REG
REG
RECT
REG
D007 – 010
RELAY DRIVE
Q101
POWER TRANSFORMER
+12V
(SUB)
PT005 (Chilean, Peruvian)
VSTBY
D612 PT006 (AEP, UK)
+4V
RECT
REGULATOR
D005, 006
IC905
m
c o
2
8 9 9
THERMAL DETECT
G
(Page 33)
(Chilean, Peruvian)
4 9 8 2 9 9
S001
VLOTAGE
SELECTOR
RY502
(AC IN)
RY001
(AEP, UK)