Sony HCD-ESX6 / HCD-ESX8 / HCD-ESX9 Service Manual ▷ View online
HCD-ESX6/ESX8/ESX9
25
MB Mount Diagnosis Flow
PLA
Y MUSIC
Is there audio output from MB Board?
output of CN1700 10pin.
Is the power voltage OK?
Checks ESX6/ESX8: 12.5V or ESX9: 13.5V
Checks 3V output of CN203 2pin (PVDD_ON)
Is the power voltage OK?
Checks ESX6: 36V or ESX8/ESX9: 50V
output of CN1700 1pin (V1).
Is the power voltage OK?
Check 12V/12.5V of MB at:
ESX6/ESX8: L1700, CL1725
ESX9: L1700, CL1725 and CL1726
Is the power voltage OK?
Reinserts the cable or Exchanges.
If there are no problems, checks output of
SMPS.
Reinserts the FFC or Exchanges.
If there are no problems, checks output of
Main on output of MB Board side.
Reinserts the cable or Exchanges.
If there are no problems, checks output of
SMPS.
Check circumference circuit of:
ESX6/ESX8: IC1855
ESX9: IC1856
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
END
Assembles into the unit again then, checks
whether there is the audio output from
MB Board.
Replaces MB Board
Yes
HCD-ESX6/ESX8/ESX9
26
SECTION 6
DIAGRAMS
• Circuit Boards Location
PANEL board
MB board
REGULATOR board
SMPS-300W board (ESX6)
SMPS-400W board (ESX8)
SMPS-600W board (ESX9)
SMPS-400W board (ESX8)
SMPS-600W board (ESX9)
HCD-ESX6/ESX8/ESX9
HCD-ESX6/ESX8/ESX9
27
27
6-1. BLOCK DIAGRAM - CD/USB Section -
DC OUT (USB)
5V 500mA
SERVICE,
OPTICAL DEVICE
CD RF AMP
FOCUS/TRACKING ERROR AMP
CD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
IC501
SYSTEM CONTROL
IC001 (1/4)
5CH SYSTEM
MOTOR DRIVER
IC851
AUTO
POWER CTRL
Q891
RFIP
RF_C
1
128
127
127
RF_B
RF_A
RF_D
RF_A
RF_D
2
RF
VOA/A
VOB/B
VOC/C
VOD/D
VOD/D
RF_F
4
VOE/E+G
RF_E
3
VOF/F+H
V2O
10
VC
LDO1
14
LD(780)
AUTO
POWER CTRL
Q881
LDO2
15
LD(650)
FOO
22
VR(780)
DVD_VR
20
CD_VR
19
MSW
23
VR(650)
FCS+
(LO:DVD,HI:CD)MSW
MDI1
13
PD
64M SDRAM
IC504
X501
27MHz
14
FCS–
13
1
TRO
21
TRK+
16
TRK–
15
26
FMO
18
SL+
17
SL–
18
23
DMO
17
SP+
11
SP–
12
9
10
4
V14/VREF0
11
27
DG0, DQ1 – DQ15
RD0 – RD15
PRST#
A0 – A11
RA0 – RA11
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
52 – 55, 57 – 60,
69 - 62
89 - 92, 79 - 74,
88, 73
23 – 26,
29 – 34, 22, 35
XTALI
7
BA0
BA0
85
20
BA1
BA1
86
21
RCLK
CLK
72
38
DQM0
LDQM
61
15
DQM1
UDQM
70
39
RAS#
RAS
83
18
CAS#
CAS
82
17
R
WE#
WE
80
16
MUTE
45
28
38
XTALO
8
USB_DP 25
USB_DM 24
CN201
3
2
1
O-MTK-RESET
65
I-CDM-LOAD-SW
57
I-CDM-UNLOAD-SW
59
O-MTK-SDO
77
I-MTK-SDI
78
I-MTK-CLK
79
I-MTK-XIFCS
60
O-MTK-BUSY
66
IFSDI 40
IFSDO 35
IFSCK 34
IFCS# 42
IFBSY 41
IFBSY 41
O-VBUS-OE
86
/I-HUB-OC-USB-A
87
SF_CS#
_CS
30
1
SF_CK
SCK
33
6
SERIAL FLASH
IC502
SO
2
SI
5
SF_DO 31
SF_DI 32
ACLK
ALRCK
ABCK
ADIN
118
AUDIO-OUTPUT-L
ASDATA0
113
14
13
STEREO A/D CONVERTER
IC320
8
L-IN
D+
D-
VBUS
R-CH
117
7
112
6
106
9
VOUTL
8
7
VOUTR
STEREO D/A CONVERTER
IC750
2 DATA
1 BCK
1 BCK
3 LRCK
16 SCK
23
27
AUDIO DSP
IC701
11
22
19
21
25
23
24
13
ASYNCHRONOUS SAMPLE
RATE CONVERTER
IC740
4
6
5
SIGNAL SELECTOR
IC780
2
1
AUDIO-OUTPUT-R
27
24 30 29
32 15 16
SDIN1
26 SDOUT2
SDA1
SCL1
LRCK
MCLKO
SCLKOUT1
SCLKOUT2
SDOUT1
4
3
XTALO
XTALI
RESET
8
7
STEREO D/A CONVERTER
IC751
16
3
2
2
SCK
DATA
LRCK
VOUTR
1
BCK
VOUTL
2 RCKI
SDIN
6 LRCKI
5 BCKI
5 BCKI
RST
SDOUT
LRCKO
BCKO
B
A
Y
SEL
SCKI
LRCK
BCK
LRCK
BCK
DOUT
VINL
VINR
O-DIGITAL-SEL
I-DSP
SDA
I-DSP
SCL
O-DSP-RESET
VOFC+
VOFC-
VOFC-
VOTK-
VOTK+
VOTK+
VOLD+
VOLD-
VOLD-
VOSL+
VOSL-
VOSL-
VINFC
VINTK
VINLD
VINSL+
BIAS
MUTE
VOTR-
VOTR+
VOTR+
SW OUT L
SW OUT R
123
CN681
5
1
2
3
2
3
CONNECT TO
CDM90
X700
12.288MHz
LOAD-
LOAD+
TRAY-IN
TRAY-OUT
LOAD+
TRAY-IN
TRAY-OUT
SLJQDO SDWK
: CD PLAY
:
AUDIO
:
USB
R-FK LV RmLWWHG GXH WR
VDmH DV L-FK.
VDmH DV L-FK.
>003B
MAIN
SECTION
(Page 28)
(Page 28)
>002B
AMP SECTION
(Page 29)
>001B
AMP SECTION
(Page 29)
USB 5V REG.
IC203
4
3
6
ESX9
HCD-ESX6/ESX8/ESX9
HCD-ESX6/ESX8/ESX9
28
28
6-2. BLOCK DIAGRAM - MAIN Section -
FM DRIVER
(FM RECEIVER)
IC1951
FRF2
ARF2
L OUT
R OUT
DA
R-CH
CK
ANTENNA
FM/AM
IIC/RDSI
63
I-ST-RDS
47
I-ST-DATA
48
I-ST-CLK
O-ANALOG-BSEL
23
O-ANALOG-ASEL
26
SYSTEM CONTROL
IC001 (2/4)
15
I-X-in
13
O-X-OUT
X002
8MHz
10
I-XC-IN
11
O-XC-OUT
X001
32.768kHz
SWITCH SIGNAL
SELECTOR
Q1600
R
L
J1601
DVD/PC
IN
R-CH
ARF1
CN1950
FM
AM
AM
X2
X1
X1950
12MHz
6LJQDOSDWK
: TUNER (AM)
: TUNER (FM)
: TUNER (FM)
: DVD/PC IN
5FKLVRPLWWHGGXHWR
VDPHDV/FK
SIGNAL SELECTOR
IC1600
B
Y1
Y2
9
A 10
Y 3
2
5
L-IN
>003B
CD/USB
SECTION
(Page 27)
(Page 27)
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