Read Sony BMZ-K7D / CX-BK7 Service Manual online
CX-BK7
40
40
7-3.
BLOCK DIAGRAM – TUNER/TAPE/USB Section –
SYSTEM CONTROLLER
IC901 (2/3)
MOTOR
D/A CONVERTER
IC302
ELECTRICAL VOLUME
IC502
E
(Page 39)
DM, FLR,
CLR, CSW
CLR, CSW
31 DATA1
45 DATA2
45 DATA2
FLR
46 DATA3
CLR
47 DATA4
CSW
DM
F
(Page 39)
XCK, BCK, LRCK
38 SCKI
40 BCK
40 BCK
BCK
41 LRCK
LRCK
XCK
G
(Page 39)
MD, MC, ML
34 MDI
35 MC
35 MC
MC
36 ML
ML
MD
16
VOUT7
20
VOUT8
R-CH
14
VOUT1
13
VOUT2
12
VOUT3
12
VOUT5 10
19
VOUT6
11
VOUT4
R-CH
37
RST
AUDIO D+3.3V
37
41
6
4
5
14
2
34
38
TUNER UNIT
AM LOOP
FM ANT
AM ANT
TUNER-L
TUNER-R
DO
R-CH
DO
TUNED
TUNED
STEREO
STEREO
DI
DATA
CLK
CLK
CE
CE
RDS DATA
RDS-DATA
RDS INT
RDS-CLK
FM SIGNAL OUT
TU-SIG
(AEP, UK)
FM 75Ω
(COAXIAL)
BIAS OSC
L451
MUTING
Q309
HRPE1
(REC/PB/ERASE)
R-CH
L-CH
R-CH
R-CH
REC
BIAS (L)
SFR452
REC
BIAS (R)
SFR451
R-CH
MUTING
Q307
MUTING CONTROL
SWITCH
Q305, 306
MUTING
Q307
R-CH
MUTING CONTROL
SWITCH
Q305, 306
R-CH
REC AMP
IC401
PB AMP
IC301
ERASE
BIAS OSC
Q453, 454
REC SWITCH
Q443
REC BIAS
SWITCH
Q451
+12V
USB ON/OFF
SWITCH
Q702
USB INTERFACE
IC700
J700
(USB)
D+
D –
VBAS
R-CH
USB DATA
USB VBUS ON
3
2
1
X700
12MHz
26
25
VBUS
23
34
FOUTL
5
OUTL
6
OUTR
37
FOUTR
D+
36 FINL
39 FINR
D –
1
XTI
20
SDA
USB CLK
21
SCL
USB ACK
13
ACK
USB INT
12
INT_DATA
2
XTO
R-CH
LINE IN
AUDIO
L
R
R-CH
JK602 (1/2)
MD (AUX)
IN
L
R
14 X1
EXTERNAL INPUT
SELECT SWITCH
IC501
12 X0
15 X1
A
13
COM X
10
A
B
9
B
MIC AMP
IC201 (1/2)
MIC AMP
IC201 (2/2)
VR201
J201
MIC LEVEL
AGC
Q201
MIC
MIC LEVEL
D201
32
C-IN
23 MICOUT
27 C-OUT
31
MIC-IN
5
DATA
3
CLK
4
LATCH
DIGITAL ECHO
IC402
D202
7
CLKI
6
CLKO
OSC
29
TOUT2
25
OUT2
19
SAOUT
24
SWOUT
TAPE-L
2
MIC
28 VOLIN2
38
CD-L
40
SUR1/DPL1
42
SUR2/DPL2
41
MD-L
37
RECB-2
35
TUNER-L
39
INPUT SELECT SWITCH, TONE CONTROL,
ELECTRICAL VOLUME, BASS BOOST AMP
IC601
33
32
MIC DET
3
30
31
REC MUTE
REC/PB
BIAS
J701 (2/2)
FREQUENCY
CONTROL
Q614 – 616
BASS BOOST
ON/OFF SWITCH
Q623
14
9
Q4 – Q6
INA
VREF
Q3
7
BBE
BASS BOOST
CONTROL
Q617 – 620
13
GIN
10 – 12
Q7 – Q10
13 – 16
BASS BOOST ENHANCER
IC603
REC/PB SWITCHING,
BASS BOOST CONTROLLER
IC703
1
6
OUTA
FEED BACK
SWITCH
Q625
BASS BOOST
CONTROL
Q624
R-CH
+
3
DATA
17
Q11
18
SO
CLOCK
LCK
SO
4
CLK
5
LCK
6 Q0
Q1
Q2
BIAS
7
REC MUTE
8
REC/PB
3
DATA
4
CLOCK
5
LCK
9
Q3
MULTI CONTROLLER
IC701
A
16 Q10
B
MUTING
Q501
MUTING
Q382
MUTING
Q181
17
DATA
18
CLOCK
CLK
DATA
R-CH
JK602 (2/2)
MD (AUX)
OUT
L
R
MUTING
Q607
MUTING CONTROL
SWITCH
Q183
MUTING CONTROL
SWITCH
Q383
MUTING CONTROL
SWITCH
Q500
64 REAR_MUTE
65 CENTER_MUTE
66 SWR_MUTE
61
DATA
60 4CH_CLK
4CH_DATA1
CLK
R-CH
R-CH
REAR-L
L
(Page 41)
FRONT-L
J
(Page 41)
CLK, LCK
(Page 42)
CENTER
M
(Page 41)
SW1
I
(Page 39)
N
(Page 42)
SUB WOOFER
OUT
J501
99
I-LEVEL
39
O-MUTE
SPEANA
AMP
Q902
29
25
22
11
23
LOW-PASS
FILTER
13
12
15
24
44 O-SHIFT_DATA
43 O-SHIFT_CLK
45 O-SHIFT_STB
43 O-SHIFT_CLK
45 O-SHIFT_STB
K
SW2
(Page 39)
H
LEVEL SHIFT
Q202, 203
LEVEL SHIFT
Q204, 205
LEVEL SHIFT
Q206, 207
LCK
CLK
SO
32 I-USB_INT
USB INT
33 O-USB_VBUS_ON
USB VBUS ON
31 I-USB_ACK
USB ACK
25 I2C-USB_CLK
USB CLK
24 I2C-USB_DATA
USB DATA
21
DATA
22
CLOCK
CLK
DATA
50 O-MDATA
6 I-DO
DATA
DO
48 O-MCLK
CLK
46 O-PLLCE
CE
5 O-M_ECHO
MIC ECHO
9 I-TUNE
TUNED
8 I-STEREO
STEREO
21 I-MIC_DET
MIC DET
2 I-RDS_DATA
RDS-DATA
20 I-RDS_CLK
RDS-CLK
1 I-RDS_SIG
TU-SIG
(AEP, UK)
MIC ECHO
CLK
DATA
27
I-DECK_ENDSW
28
I-DECK_PACK
29
I-DECK_FREC
30
I-DECK_RREC
26
I-DECK_PLAYSW
M
TAPE MECHANISM
DECK BLOCK
PLAY SW
SOL
END SW
PACK
F.REC
R.REC
(CAPSTAN/REEL)
MUTING CONTROL
SWITCH
Q608
CAPSTAN/REEL
MOTOR DRIVE
Q904
PLUNGER DRIVE
Q905
8
Q2
7
Q1
14 Q8
11
Q5
18
SO
17
Q11
SHIFT SO
INH
O
(Page 42)
P
(Page 41)
6
Q0
10
Q4
USB ON
TUNER ON
15
Q9
DVD ON
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TAPE PLAY
: REC
: LINE IN (AUDIO)
: USB
: MIC INPUT
: MD (AUX) IN
: DVD PLAY
: TUNER
: MD (AUX) IN
: MD (AUX) OUT
REC AMP
Q605
+
R-CH
MUTING
Q525
MUTING CONTROL
SWITCH
Q527
ANTENNA
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