Sony CMT-HX3R Service Manual ▷ View online
HCD-HX3
IC702 TK11133CSCL-G
IC704 TK11118CSCL-G
IC704 TK11118CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
IC703 MC74VHC74DTR2
14
1
2 3
4
5
6
7
13 12 11
10
9
8
VCC
GND
CK
CLR
CK
CLR
Q
PR
Q
Q
PR
Q
D
D
IC705 CXD9788AR
12
11
10
9
8
7
6
5
4
3
VSUBC
XVSS
OUTR2
VSSR
OUTR1
VDDR
VSSL
VSSR
OUTL2
OUTL1
VSSL
VDDL
2
1
PWM
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
31
29
25
OVFFLAGL
26
SFLAG
27
INIT
30
S g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
∆ Σ
48
XFSOIN
47
XVDD
HPVDDL
46
45
HPOUTL1
HPVSSL
44
43
HPOUTL2
HPVDDR
42
41
HPOUTR1
HPVSSR
40
HPOUTR2
39
37
FSOCKO
38
FSOI
13
XOVSS
14
XFSOOUT
15
XOVDD
16
DVDD
17
DVSS
18
NSPMUTE
19
SOFTMUTE
20
PGMUTE
SERIAL
CONTROLLER
21
SCDT
22
SCSHIFT
23
SCLATCH
24
OVFFLAGR
28
MCKSEL
32
BFVDD
33
BFVSS
34
TEST
35
DVDD
36
XFSIIN
LRCK
BCK
DATA
45
HCD-HX3
IC707 CXD9845AM
/OTW 2
GVDD_B 1
PROTECTION
LOGIC
GATE
DRIVE
GVDD_A
36
BST_A
35
PVDD_A
34
OUT_A
33
GND
32
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
/SD 3
PWM_A 4
PWM_B 6
/RESET_AB 5
/RESET_CD 15
PWM_C 14
M1 13
M2 12
GND 11
GND 8
GND 9
VREG 10
OC_ZDJ 7
PROTECTION
&
RESET LOGIC
OLP
OTP
OTP
CB3C
TIMING
CONTROL
STUCK
DETECT
STUCK
DETECT
STUCK
DETECT
REGULATOR
STUCK
DETECT
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GVDD_C
PWM_D 16
VDD 17
18
GATE
DRIVE
BST_C
27
PVDD_C
26
OUT_C
25
GND
24
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GATE
DRIVE
BST_B
28
PVDD_B
29
OUT_B
30
GND
31
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GATE
DRIVE
BST_D
20
GVDD_D
19
PVDD_D
21
OUT_D
22
GND
23
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROGRAMMABLE
CURRENT SENSE
TEMPERATURE
WARNING/ERROR
2
4
/HIZ_HS
4
/HIZ_LS
4
/OCH
4
/OCL
GVDD_D
GVDD_C
GVDD_B
GVDD_A
VREG
4
/RESET
VREG
UNDER
VOLTAGE
PROTECTION
POWER-UP
RESET
/UVP
GVDD_A
GVDD_D
GVDD_B
GVDD_C
VREG
46
HCD-HX3
– Placa USB –
IC915 R5523N001B-TR-F
1
EN
2
GND
3
FLG
4
IN
5
OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
– Placa USB POWER –
IC319 SI-8008TFE
IN
1
SW
2
SS
5
ADJ
4
LATCH
&
DRIVER
ERROR AMP
COMPARATOR
OSCILLATOR
RESET
OVERCURRENT
PROTECTION
THERMAL
PROTECTION
REFERENCE
VOLTAGE
GND
3
ON/OFF
SOFT
START
PREG
+
+
+
–
–
CONSTANT
CURRENT
SOURCE
2
FB
1
VDD
4
VCC
5 DRAIN
8 SOURCE
7 SOURCE
3
CL
VCL
CLAMP CIRCUIT
(ILIMIT SETTING)
IN
ICL.LOW
VCL.OUT
ILIMIT VARIABLE
CIRCUIT
+
–
+
–
+
–
7.2V
+
–
2.4V
VCC UV
VCC OVP
OVERHEAT
PROTECTION
S
R
Q
Q
RESTARTING
TRIGGER
R
S
Q
Q
+
–
27%
22%
22%
FOR LIGHT LOAD
DETECTION INTERMITTENT
OSCILLATION CONTROL
GENERATOR
CLOCK
12kHz
MAXDC
5.7V
5.0V
5.0V
VDD UV
5.7V
REGULATOR
VDD CLAMP
CIRCUIT
6.6V
+
–
ILIMIT
CORRECTION
CIRCUIT
FOR
DRAIN CURRENT
DETECT
GATE DRIVER
POWER
MOSFET
AT TURNING ON
BLANKING PULSE
GENERATION CIRCUIT
– Placa SUB POWER –
IC601 MIP2F20MS1SO
47
HCD-HX3
•
Descrição das funções dos pinos dos IC's
Placa CD IC101 TC94A70FG-008 (CD-MP3 PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
AVSS3
-
Ground terminal
2
RFZi
I
RF ripple zero crossing signal input terminal
3
RFRP
O
RF ripple signal output terminal
4
SBAD/RFDC
O
Sub beam addition signal or RF peak detection signal output terminal Not used
5
FEi
O
Focus error signal output terminal Not used
6
TEi
O
Tracking error signal output terminal
7
TEZi
I
Tracking error zero crossing signal input terminal
8
AVDD3
-
Power supply terminal (+3.3 V)
9
FOo
O
Focus coil drive signal output terminal
10
TRo
O
Tracking coil drive signal output terminal
11
VREF
I
Reference voltage (+1.65V) input terminal
12
FMO
O
Sled motor drive signal output terminal
13
DMO
O
Spindle motor drive signal output terminal
14
VSSP3
-
Ground terminal
15
VCOi
I
VCO control voltage input terminal
16
VDDP3
-
Power supply terminal (+3.3 V)
17
VDD1
-
Power supply terminal (+1.5 V)
18
VSS
-
Ground terminal
19
FGiN
I
FG signal input terminal Not used
20
IO0 (/HSO)
I
Disc inner position detection signal input terminal
21
IO1 (/UHSO)
O
Not used
22
XVSS3
-
Ground terminal
23
XI
I
System clock input terminal (16.9344 MHz)
24
XO
O
System clock output terminal (16.9344 MHz)
25
XVDD3
-
Power supply terminal (+3.3 V)
26
DVSS3
-
Ground terminal
27
RO
O
Audio data (R-ch) output to the input selector
28
DVDD3
-
Power supply terminal (+3.3 V)
29
DVR
O
Reference voltage (+1.65V) output terminal
30
LO
O
Audio data (L-ch) output to the input selector
31
DVSS3
-
Ground terminal
32
VDDT3
-
Power supply terminal (+3.3 V)
33
VSS1
-
Ground terminal
34
VDD1
-
Power supply terminal (+1.5 V)
35
VDDM1
-
Power supply terminal (+1.5 V)
36
SRAMSTB
I
S-RAM standby mode control signal input terminal Fixed at "L" in this set
37
XRST
I
Reset signal input from the system controller "L": reset
38, 39
BUS0, BUS1
I
Serial data input from the system controller and USB controller
40
BUS2 (SO)
I
Serial data input from the system controller and USB controller
41
BUS3 (SI)
I
Serial data input from the system controller and USB controller
42
BUCK (CLK)
I
Serial data transfer clock signal input from the system controller and USB controller
43
XCCE
I
Chip enable signal input from the system controller and USB controller
44
TEST
I
Setting terminal for test mode Normally fixed at "L"
45
IRQ
I
Interrupt request signal input terminal Not used
46
AoUT3 (PO4)
O
Request signal output to the USB controller
47
AoUT2 (PO5)
O
Audio data output to the USB controller
48
Click on the first or last page to see other CMT-HX3R service manuals if exist.