BMZ-K1, CX-BK1 - Sony Audio Service Manual (repair manual). Page 33

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CX-BK1
33
33
8-3.
BLOCK  DIAGRAM  – AMP Section –
J521
POWER
THERMAL DETECT
POWER MONITOR
RY501
R-CH
PHONES
+
+
R
L
M301
(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
FEED BACK
SWITCH
Q625
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
FREQUENCY
CONTROL
Q614 – 616
BBE ON/OFF
CONTROL
Q623
R-CH
D611
+VL
+VH
OUTPUT LEVEL
DETECT
Q620, 621
1
7
6
BASS BOOST ENHANCER
IC603
ELECTRICAL VOLUME
IC601 (2/2)
INA
BBE
14
VREF
12
GOUT
OUTA
25
OUT 2
27
BB_A2
26
BB_B2
28 VOLIN2
13
GIN
BOOST
CONTROL
Q617 – 620
BOOST
CONTROL
Q624
+
R-CH
OUT-L
V-BASS,
18 –24
21
DATA
22
CLOCK
LEVEL
MCLK
MDATA
19
SAOUT
39
O-MUTE
98
I-POWER_MONI
42
I-HEADPHONE
40
O-POWER
23
22
21
24
20
19
18
LCK
CLK
SHIFT SO
LED631 – 635
(DISC INDICATOR 1 – 5)
V-BASS
G
(Page 34)
H
(Page 34)
J
(Page 34)
B
(Page 32)
C
(Page 32)
MDATA, MCLK,
LEVEL
D
(Page 32)
INH, SHIFT SO,
CLK, LCK
E
(Page 32)
M
M
• SIGNAL PATH
: TUNER
• R-ch is omitted due to same as L-ch.
76
79
78
80
LIQUID CRYSTAL
DISPLAY
LCD001
67 – 70
1 – 65
COM1 – COM4
S1 – S65
OSC
C105, R101
LCD DRIVER
IC001
OSC
16
6 – 15
Q0 – Q9
Q10
DI
CL
CE
77
3
INH
DATA
4 CLK
5 LCK
53 O-LCD_DATA
54 O-LCD_CLK
63 O-LCD_CE
18 SO
93 I-RE_VOL
2 DATA
3 CLK
4 LCK
INH
S311 – 320, 331 – 339,
S341 – 344
17
18
X901
32.768kHz
XT1
XT2
14
15
X902
5MHz
X1
X2
23 I-RMC
REMOTE CONTROL
RECEIVER
IC603
LCK
CLK
LED203
LED DRIVE
IC602
i-Bass
34
STBY
LED202
STANDBY/ON
VOLUME
ROTARY
ENCODER
S302
92 I-RE_BAS
BASS
ROTARY
ENCODER
S303
91 I-RE_TRE
TREBLE/MIDDLE
ROTARY
ENCODER
S304
94 I-RE_JOG
MULTI JOG
LED204 – 221
(ILLUMINATION)
12
6 – 11
Q1 – Q6
Q7
97 – 95
I-KEY1 – I-KEY3
LED251 – 254
(LCD BACKLIGHT)
13, 14
Q8, Q9
LED601
(DISC SLOT ILLUMINATION)
LED DRIVE
IC601
41
I-POWER_DOWN
16
RESET
POWER_DOWN
RESET
SYSTEM CONTROLLER
IC901 (3/3)
LED DRIVE
Q601 – 605
5
 SPEAKER
JK502
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