DOWNLOAD Sony HCD-HX3 / HCD-HX5 / HCD-HX7 Service Manual ↓ Size: 7.5 MB | Pages: 91 in PDF or view online for FREE

Model
HCD-HX3 HCD-HX5 HCD-HX7
Pages
91
Size
7.5 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-hx3-hcd-hx5-hcd-hx7.pdf
Date
PREV: Sony CMT-HX3 / CMT-HX3R / CMT-HX5BT / CMT-HX7BT Service Manual

Sony HCD-HX3 / HCD-HX5 / HCD-HX7 Service Manual ▷ View online

49
HCD-HX3/HX5/HX7
IC702   NJM2871BF33-TE2
IC704   NJM2871BF18-TE2
5
VIN
4
VOUT
2
GND
3
NOISE
BYPASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
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
50
HCD-HX3/HX5/HX7
IC707   CXD9845AM (HX3/HX7)
/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
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
51
HCD-HX3/HX5/HX7
IC707, 708   CXD9774M (HX5)
RESET 4
GND 1
GND 3
PWM BP 2
DREG RTN 5
GVDD 6
M3 7
M1 10
M2 11
DVDD 12
DREG 8
DGND 9
DGND 14
GND 16
GND 18
PWM
RECEIVER
TIMING
CONTROL
&
PROTECTION
SD 13
OTW 15
DIGITAL
REGULATOR
PROTECTION
LOGIC
OT
&
UVP
DVDD DREG
DREG
DGND
PWM AP 17
PWM
RECEIVER
DVDD DREG
DGND
DREG
GVDD
DREG
GATE
DRIVE
GVDD B
35
GVDD B
36
BST B
33
PVDD B
32
PVDD B
31
OUT B
30
OUT B
29
GND
28
GND
34
GATE
DRIVE
OCH
OCL
TIMING
CONTROL
&
PROTECTION
DREG
GATE
DRIVE
GVDD A
20
GVDD A
19
BST A
22
PVDD A
23
PVDD A
24
OUT A
25
OUT A
26
GND
27
GND
21
GATE
DRIVE
OCH
OCL
GVDD
GVDD
52
HCD-HX3/HX5/HX7
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%
FOR LIGHT LOAD
DETECTION INTERMITTENT
OSCILLATION CONTROL
GENERATOR
CLOCK
12kHz
MAXDC
5.7V
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
– SUB POWER Board –
IC601   MIP2F20MS1SO
Page of 91
Display

Click on the first or last page to see other HCD-HX3 / HCD-HX5 / HCD-HX7 service manuals if exist.

RANDOM: