Sony CMT-BX3R / CMT-BX4R / HCD-BX3R / HCD-BX4R Service Manual ▷ View online
HCD-BX3R/BX4R
17
17
HCD-BX3R/BX4R
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – CD SERVO Section –
SYSTEM CONTROLLER
IC301 (1/4)
CD-MP3 PROCESSOR
IC101
MUTE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
95
89
A
AVDD
+3.3V
+3.3V
DETECTOR
FNi1 (A)
RFo
97 FPi1 (B)
88
2
AGCi
3
RFRP
RFZi
7
6
TEi
TEZi
83
RFEQo
81 RFi
82 RFRPi
30
LO
27
RO
65
AIN (PI4)
66
BCKi (PI5)
BCK
A-IN
BUS1
BUS0
BUS2
BUS3
BUCK
67
LRCKi (PI6)
LRCK
51
PIO3
GATE
49
PIO1
ST-REQ
38
BUS0
R-CH
94 FNi2 (C)
96 FPi2 (D)
100 TNi (E)
98 TPi (F)
91 LDo
92
MDi
2 VO1+
1 VO1–
13 DMO
AUTOMATIC
POWER CONTROL
Q301
LD
PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
B
C
D
E
F
12 FMO
10 TRo
9 FOo
20 IO0 (/HSO)
I-V AMP
M401
(SPINDLE)
M402
(SLED)
12 VO2–
11 VO2+
18 VO3+
17 VO3–
26 VO4+
27
7
IN4’ 24
IN3’ 20
IN2’ 9
IN1 3
BIAS 23
84 VRo
VO4–
M
M
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
S201
(LIMIT)
DVDD
+3.3V
+3.3V
24
XO
23
XI
X102
16.9344MHz
72 CD DRIVE MUTE
LOADING
MOTOR DRIVE
IC311
CDM LOAD IN 89
CDM LOAD OUT
CDM SW (OPEN)
CDM SW (CLOSE)
88
90
91
M
A
CD-L
B
DATA, CLK,
A-IN, BCK, LRCK,
GATE, ST-REQ
C
BUS0 – BUS3,
BUCK, CCE, REQ
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: USB
VCC
A
B
C
D
E
F
LD
PD
SP+
VC
SP–
SL+
SL–
T+
T–
F+
F–
1
2
68 CD BUS0
13
39
BUS1
4
3
67 CD BUS1
5
40
BUS2 (SO)
8
9
66 CD BUS2
75 CD CLK
6
41
BUS3 (SI)
11
10
65 CD BUS3
12
BUS SWITCH
IC321
1
2
13
4
3
5
8
9
6
11
10
12
BUS SWITCH
IC322
DATA SELECTOR
IC323
A/B
Q321
42
BUCK (CLK)
4
2
3
CCE
63 CD CCE
43
XCCE
54
SBSY
48
PIO0
7
69 MP3 IREQ
44 DEC BUS SEL1
19 SBSY
37
XRST
71 CD XRST
5
REQ
6
12
14
13
9
10
11
1
S001
DISC TRAY
OPEN/CLOSE DETECT
OPEN
CLOSE
M001
(LOADING)
47
AOUT2 (PO5)
63
BCK (PO8)
CLK
DATA
(Page 19)
(Page 18)
(Page 18)
HCD-BX3R/BX4R
18
18
HCD-BX3R/BX4R
6-2. BLOCK DIAGRAM – TUNER, USB Section –
BUS1
BUS0
BUS2
BUS3
BUCK
CCE
REQ
LB
I/O0 – I/O15
D0 – D15
S-RAM
IC921
39
UB 40
OE 41
WE 17
CE 6
79 D+
80 D–
77 USBOC
USB CONTROLLER
IC901
35 USB TXD
SYSTEM CONTROLLER
IC301 (2/4)
CN902
(USB)
(USB)
3
2
1
D+
D–
78 USBPON
70 CS2
64 RD
65 WR
64 RD
65 WR
66 SRLLB
67 SRLUB
VBUS
B
DATA, CLK,
A-IN, BCK, LRCK,
GATE, ST-REQ
C
BUS0 – BUS3,
BUCK, CCE, REQ
VBUS POWER
ON/OFF SWITCH
IC915
5
1
4
OUT
EN
3
FLG
IN
VBUS
+5V
93
DATA
92
BCK
BCK
A-IN
LRCK
GATE
ST-REQ
71
LRCK
94
GATE
97
ST-REQ
E
TUNER-L
55
BUS0
56
BUS1
88
RXD1
36 USB RXD
87
TXD1
38 USB RTS
2
DI
37 USB CTS
84
DO
40 USB RESET
1
/RESET
57
BUS2
58
BUS3
59
/BUCK
60
/CCE
96
REQ
7 – 10, 13 – 16,
29 – 32, 35 – 38
18 – 25, 28 – 35
A0 – A15
A1 – A16
44 – 42, 27 – 24,
21 – 18, 5 – 1
37 – 43, 46 – 54
73
X2
75
X1
X901
9MHz
TUNER (FM/AM)
AM
FM ANT
AM ANT
L OUT
R OUT
DO/STEREO
R-CH
ST DIN
ST CLK
ST CE
FM 75
Ω
COAXIAL
ANTENNA
1 ST DATA IN/STEREO
3 ST DATA OUT
2 ST CLK
100 ST CE
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: USB
: TUNER (FM/AM)
CLK
DATA
85
DATA
86
CLOCK
: CD PLAY
(Page 17)
(Page 17)
(Page 19)
HCD-BX3R/BX4R
19
19
HCD-BX3R/BX4R
6-3. BLOCK DIAGRAM – MAIN Section –
AUDIO IN
R-CH
J301
CD-L
A
TUNER-L
E
PROTECT
J
6
8
5
4
22
DATA
21
CLK
AMP DATA
81
AMP CLOCK
82
TA LINE-MUTE
80
LOUT
INPUT SELECT, ELECTRICAL VOLUME
IC304
SYSTEM CONTROLLER
IC301 (3/4)
: AUDIO
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: AUDIO IN
: TUNER (FM/AM)
INL3
IGOUTL
VOLINL
INL2
INL1
9
MUTING
Q103, 203
R-CH
27
MUTING
CONTROL
Q340, 341
POWER AMP
IC601
11 CH1 IN
12 CH1 NF
12 CH1 NF
10
MONITOR
CH1 OUT+ 4
CH1 OUT– 5
13
STBY
J500
R-CH
PHONES
SPEAKER
+
–
–
–
+
R
L
J302
DC
DETECT
Q342 – 344
M301
(FAN)
(FAN)
+9V
M
M
AC DET
K
D313
STK-ON
87
FAN MOTOR
DRIVE
Q316, 317
FAN MOTOR
DETECT
Q307, 347, 348
(Page 17)
(Page 18)
(Page 20)
(Page 20)
HCD-BX3R/BX4R
20
20
HCD-BX3R/BX4R
6-4. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section –
SIRCS
4
KEY WAKE UP_DISPLAY
73
LCD CLK
29
LCD DATA
30
SYSTEM CONTROLLER
IC301 (4/4)
(AC IN)
SUB POWER
TRANSFORMER
T902
RY901
MAIN POWER
TRANSFORMER
T901
RECT
D911 – 914
D922, 923
D330
D920
D332
D322
D318, 321
D303
AMP B+
F901
F902
TO
POWER AMP
AMP B–
+9V
REGULATOR
IC305
+5V
REGULATOR
Q304 – 306
LCD B+
LCD +5V
UNREG SUB
UNREG SUB
SYS +3.3V
B+SWITCH
Q810, 811
+9V
RECT
D907 – 910
VOLTAGE
DETECT
IC310
RELAY
DRIVE
Q315
LINE
FILTER
LF901
TUNER +9V
28
STBY-RELAY
20
AC CUT
86
I-POWER MONITOR
12
RESET
REMOTE CONTROL
RECEIVER
IC804
D803, 804
(LCD BACK LIGHT)
X301
32.768kHz
11
10
XCOUT
XCIN
13
15
X302
5MHz
XOUT
XIN
LCD801
LIQUID
CRYSTAL
DISPLAY
LCD BACK LIGHT LED
25
USB MEMORY
S801, 803 – 813,
S815 – 819
(FRONT PANEL KEYS)
KEY0 – KEY2
92 – 94
76
USB POWER
RESET
SWITCH
Q309
AC DETECT
Q301
VM +7V
RECT
D308, 312,
D314, 315
+5V
REGULATOR
IC306
VBUS +5V
+1.5V
+1.5V
REGULATOR
IC201
D310
KEY WAKE UP_POWER
74
D311
KEY0
KEY2
LED DRIVE
Q808
D802
USB/BT LED
26
LED DRIVE
Q806
STANDBY
D805
STANDBY LED
27
LED DRIVE
Q805
USB +3.3V
+3.3V
REGULATOR
Q314, 318, 391
70
CD ON
AVDD +3.3V
DVDD +3.3V
+3.3V
REGULATOR
Q302, 303,
Q390, 392
RECT
D916 – 919
AC DET
K
PROTECT
J
+9V LCD
+5V
B+SWITCH
Q311, 313
VOLTAGE
DETECT
Q393
PROTECT
DETECT
Q333, 338
(E2, E51)
(EXCEPT E2, E51)
VOLTAGE
SELECTOR
S901
• Abbreviation
E2 : 120V AC area in E model
E51 : Chilean and Peruvian models
E51 : Chilean and Peruvian models
(Page 19)
(Page 19)
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