Read Sony BMZ-K33 / CX-BK33 Service Manual online
CX-BK33
33
33
J521
POWER
THERMAL DETECT
POWER MONITOR
RY501
R-CH
PHONES
+
–
–
–
+
R
L
M301
(FAN)
(FAN)
R-CH
R-CH
– VL
–VP
+VP
– VH
OVER LOAD
DETECT
Q505
THERMAL
DETECT
Q610, 611
OUTPUT LEVEL
DETECT
Q617, 622 – 624
ROTARY
ENCODER
S301
OVER CURRENT
DETECT
Q013
RELAY DRIVE
Q530
BIAS
Q507, 509
FINAL DRIVE
Q531, 533
SWITCHING
Q619
SWITCHING
Q618
FAN MOTOR
DRIVE
Q301 – 303
+
+
R-CH
R-CH
+
HOLD
Q012
+
+
TH501, 502
R-CH
R-CH
R-CH
CASCADE
Q511, 513, 515
PRE DRIVE
Q517
MUTING
Q525
+
MUTING
CONTROL
Q527
CURRENT
MIRROR
Q521, 523
+VL
+VH
OUTPUT LEVEL
DETECT
Q612, 620, 621
OUT-L
39
O-MUTE
98
I-POWER_MONI
42
I-HEADPHONE
40
O-POWER
LCK
CLK
SHIFT SO
LED259 – 255
(DISC INDICATOR 1 – 5)
G
H
J
B
INH, SHIFT SO,
CLK, LCK
CLK, LCK
E
MIXOUT-LR
C
M
M
• SIGNAL PATH
: TUNER
• R-ch is omitted due to same as L-ch.
76
79
78
80
LIQUID CRYSTAL
DISPLAY
LCD1
67 – 70
1 – 66
COM1 – COM4
S1 – S66
OSC
C105, R101
LCD DRIVER
IC001
OSC
15
11 – 7
Q6 – Q2
Q10
DI
CL
CE
77
2
INH
DATA
3 CLK
4 LCK
4 LCK
53 O-LCD_DATA
54 O-LCD_CLK
63 O-LCD_CE
54 O-LCD_CLK
63 O-LCD_CE
93 I-RE_VOL
INH
S311 – 325,
327 – 342
17
18
X901
32.768kHz
XT1
XT2
14
15
X902
5MHz
X1
X2
23 I-RMC
REMOTE CONTROL
RECEIVER
IC301
LED203
LED DRIVE
IC601
i-Bass
34
STBY
LED202
STANDBY/ON
VOLUME
ROTARY
ENCODER
S300
95 I-KEY3
MIDDLE
ROTARY
ENCODER
S302
92 I-RE_BAS
BASS
ROTARY
ENCODER
S303
91 I-RE_TRE
TREBLE
ROTARY
ENCODER
S304
94 I-RE_JOG
AMS/
TUNING
12
Q7
97, 96
I-KEY1, I-KEY2
LED261, 263, 264, 266
(LCD BACK LIGHT)
13, 14
Q8, Q9
LED301
(USB PORT ILLUMINATION)
41
I-POWER_DOWN
16
RESET
POWER_DOWN
RESET
SYSTEM CONTROLLER
IC901 (3/3)
LED DRIVE
Q101, 102
SPEAKER
IMPEDANCE: 6
Ω
JK502
7-3. BLOCK DIAGRAM – AMP Section –
(Page 32)
(Page 34)
(Page 34)
(Page 34)
(Page 32)
(Page 32)
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