Block Diagram - Power Supply Section - Sony CX-BK1 Service Manual

CX-BK1
8-4. BLOCK DIAGRAM – POWER SUPPLY Section –
POWER,
POWER MONITOR
H
(Page 33)
USB ON,
TUNER ON, CD ON USB ON
F
(Page 32)
TUNER ON
CD ON
POWER_DOWN,
RESET
POWER_DOWN
(Page 33) J
RESET
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
+VH
VOLTAGE DC UNBALANCE
AC DETECT + +
DETECT DETECT
Q105, 106
Q107 – 109 D139, 140
DC UNBALANCE
DETECT
D112, 113
+VL
OVER CURRENT
Q102 – 104
+10V
REGULATOR
IC101
+9V
REGULATOR
Q890
FAN B+
+12V
M+12V,
REGULATOR
VM, +12V
IC003
D002
(EXCEPT US)
+7V
CD VM (7V),
REGULATOR
+7V
IC001
(US)
VDD
D902
B+ SWITCH
EVER 3.3V
Q901, 906
VOLTAGE
DETECT
IC904
D906
RESET SIGNAL
GENERATOR
IC902
34 34
– VH
+ RECT
D116, 117
– VL
RECT
D120, 121
RECT
DETECT
D114, 115
POWER TRANSFORMER
(MAIN)
PT001 (Mexican)
PT002 (Chilean, Peruvian)
PT003 (US, AEP, UK)
VH
+VH
RECT
VH
D004
– VH
+VL VL
RECT
VL
D002
– VL
REG
REG
RECT
REG
D007 – 010
(US, Chilean, Peruvian, Mexican)
RELAY DRIVE
Q101
POWER TRANSFORMER
+12V
(SUB)
PT005 (Chilean, Peruvian)
VSTBY
PT006 (EXCEPT Chilean, Peruvian)
D612
+4V
RECT
REGULATOR
D005, 006
IC905
THERMAL DETECT
G (Page 33)
(Chilean, Peruvian)
S001
VLOTAGE SELECTOR
120V
220 – 230V
240V
RY502
(AC IN)
RY001
EXCEPT
Chilean, Peruvian