Read Sony BMZ-K7D / CX-BK7 Service Manual online
CX-BK7
42
42
7-5.
BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
SUB POWER TRANSFORMER
PT005 (Except AEP, UK, CIS, Mexican)
PT006 (AEP, UK, CIS, Mexican)
(AC IN)
(AEP, UK, CIS, Mexican, Australian)
(Except AEP, UK, CIS, Mexican, Australian)
RY001
(AEP, UK, CIS, Mexican)
RY502
(Australian)
POWER ON/OFF
RELAY DRIVE
Q101
VOLTAGE
SELECTOR
S001
RY502
MAIN POWER TRANSFORMER
PT001
(AEP, UK, CIS, Mexican)
PT002
(Except AEP, UK, CIS, Mexican)
VSTBY
D612
RECT
D005, 006
+4V
REGULATOR
IC905
VDD+3.3V
D906
EVER +3.3V
+12V
D902
RESET SIGNAL
GENERATOR
IC902
VOLTAGE
DETECT
IC904
RECT
D001
D001
B+ SWITCH
Q901, 906
D911
REG
REG
SVH
SVH
+12V
REGULATOR
IC005
+5V
REGULATOR
IC001
+12V
REGULATOR
IC003
+9V
REGULATOR
Q890 – 892
+10V
REGULATOR
IC101
+5V
REGULATOR
IC103
REGULATOR
CONTROL SWITCH
Q004
RECT
D003
D003
– SVH
+ SVH
VH
VH
RECT
D004
D004
– VH
+ VH
VL
VL
RECT
D002
D002
– VL
+ VL
M+12V
VM+9V
AUDIO+5V
VM+10V
B+ SWITCH
Q021, 022
DVD ON/OFF
SWITCH
Q020
+3.3V
REGULATOR
IC392
AUDIO+3.3V
USB ON
TUNER ON
DVD ON
+5V
REGULATOR
IC701
USB+5V
+3.3V
REGULATOR
Q018, 019
+3.3V
+9V
REGULATOR
Q050, 051
VCC+9V
B+ SWITCH
Q701, 702
REGULATOR
CONTROL SWITCH
Q001
D+5V
+3.3V
REGULATOR
IC907
A+3.3V
+1.8V
REGULATOR
IC211
D+1.8V
+3.3V
REGULATOR
IC004
REGULATOR
CONTROL SWITCH
Q002
D+3.3V
DVD ON/OFF
SWITCH
Q003
RECT
D114, 115
OVER CURRENT
DETECT
Q102 – 104
CLK
SHIFT SO
12
Q7
3 DATA
4 CLK
4 CLK
LCK
5 LCK
LED DRIVE
IC602
LED204 – 221
(ILLUMINATION)
18 SO
6 – 15
Q0 – Q9
LED DRIVE
Q601 – 605
LED631 – 635
DISC SELECT 1 – 5
LED203
i-Bass
CLK
2 DATA
3 CLK
3 CLK
LCK
4 LCK
LED DRIVE
IC601
6 – 11
Q1 – Q6
LED251 – 254
(LCD BACK LIGHT)
13, 14
Q8, Q9
16
Q10
LED601
(DISC SLOT ILLUMINATION)
SYSTEM CONTROLLER
IC901 (3/3)
16
RESET
STBY
41
I-POWER _DOWN
98
I-POWER _MONI
40
O-POWER
80
LIQUID CRYSTAL
DISPLAY
LCD001
67 – 70
1 – 65
S1 – S65
COM1 – COM4
C105, R101
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC001
OSC
DI
79
CL
78
CE
76
OSC
77
INH
53 O-LCD_DATA
54 O-LCD_CLK
63 O-LCD_CE
54 O-LCD_CLK
63 O-LCD_CE
34
LED202
(STANDBY)
ROTARY
ENCODER
S301
I-RMC
REMOTE CONTROL
RECEIVER
IC603
23
I-RE_VOL
93
I-HEADPHONE
42
VOLUME
ROTARY
ENCODER
S302
I-RE_BAS
92
BASS
ROTARY
ENCODER
S303
I-RE_TRE
91
TREBLE/MIDDLE
ROTARY
ENCODER
S304
I-RE_JOG
94
MULTI JOG
97 – 95
I-KEY1 – I-KEY3
S311 – 320,
S331 – 339,
S331 – 339,
S341 – 344
(FRONT PANEL KEY)
R
(Page 41)
O-POWER
O
(Page 40)
DVD ON, TUNER ON, USB ON
Q
(Page 41)
HEADPHONE
S
(Page 41)
POWER MONITOR
N
(Page 40)
SHIFT SO, INH
K
(Page 40)
CLK, LCK
INH
14
X902
5MHz
X1
15
X2
17
X901
32.768kHz
XT1
18
XT2
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