Sony HCD-EX66 / HCD-EX88 / HCD-EX99 / MHC-EX66 / MHC-EX88 / MHC-EX99 Service Manual ▷ View online
HCD-EX66/EX88/EX99
HCD-EX66/EX88/EX99
17
17
OPTICAL PICK-UP BLOCK
(DA11MMVGP)
B
C
D
D
E
A
F
SP+
SP-
LD
MD
VREF
AUTOMATIC
POWER
CONTROL
Q201
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC301
CD-MP3 PROCESSOR
IC101
VO1+
2
VO1-
1
IN1 3
SL+
SL-
VO2+
11
VO2-
12
IN2’ 9
T+
T-
VO3+
18
VO3-
17
IN3’ 20
F+
F-
CD
MECHANISM
DECK
LOADING
MOTOR
DRIVE
IC303
M+
OPEN SW
CLOSE SW
M–
VO4+
26
VO4-
27
IN4’ 24
MUTE 7
7 BIN
6 CIN
8 DIN
6 CIN
8 DIN
EIN
5 AIN
14
13
FIN
18 LDD
LDS
11 VREF
25 SPDO
19
24 SLDO
23 TDO
22 FDO
XOUT
XIN
X101
16.934MHz
S001
(LIMIT)
72
73
LIMIT-SW 32
LCHO
CD/USB-L
76
RCHO
R-CH
78
USB CONTROLLER
IC901
37 UHD-
38 UHD+
6 CF1
VBUS+5V
7 CF2
URX1 44
DBGP2 25
DBGP1 24
DBGP0 23
P71 47
RES 2
SO0 9
SI0 10
SCK0 11
P16 15
P23 32
P23 32
SDAT 26
BCLK 27
BCLK 27
LRCK 28
P22 31
P24 33
P70 46
P24 33
P70 46
UTX1 45
STREQ 33
STCK 34
STDATA 35
PCMLRSY 62
O-USB-TXD
93
I-USB-RXD
94
O-USB-SLEEP
92
RESB 47
O-CD-RST
1
O-CD-M-MUTE
100
O-USB-RST
4
O-CD-CL
98
O-CD-CE
3
O-CD-DI
2
I-CD-DO
99
O-CD-ON 91
+9V
AVDD3.3V
DVDD3.3V
A
O-CD-M- 87
O-CD-M+ 88
7
1
9
2
4
4
2
1
4
I-CD-OP/CL 18
DBGP0
DBGP1
DBGP2
DBGP1
DBGP2
DBGP0
RESET
DBGP1
DBGP2
DBGP2
95
96
97
96
97
I-RST 11
3
D+
D-
CN304
(USB)
X901
12MHz
2
1
4
TUNER/
AUDIO
SECTION
I-HP/CD-SW
B
TUNER/
AUDIO
SECTION
SYSTEM CONTROL
IC302 (1/3)
63
PCMBCK
64
PCMDATA
65
PCMREQ
44
CL
43
CE
46
DO
45
DI
2
CN301
FLASH
PROGRAMMING
3
( )
CN901
FLASH
PROGRAMMING
( )
5
1
SLJQDO SDWK
R-FK LV RPLWWHG GXH WR VDPH DV L-FK.
: CD
: USB
8
7
5
7
5
9
DBGP0
DBGP1
DBGP2
DBGP1
DBGP2
TRESET
I-RST
C
DISPLAY/POWER
SECTION
+3.3V REG
IC304
MOTOR
CONTROL
Q305
VREF
FIN
RIN
RIN
OUT2
OUT1
OUT1
5-1. BLOCK DIAGRAM –CD Section –
(Page 18)
SECTION 5
DIAGRAMS
(Page 19)
(Page 18)
HCD-EX66/EX88/EX99
HCD-EX66/EX88/EX99
18
18
8
R-CH
INPUT FUNCTION SELECTOR
IC306
ISYSTEM CONTROL
IC302 (2/3)
CD/USB-L
7 CD/USB-R
CD/USB-L
PC-IN-L
TUNER-L
5 INPUT_B
4 INPUT_B
PRE AMP
IC600 (EX66)
IC600 (EX88)
IC600 (EX88)
PRE AMP
IC601 (EX66)
IC601 (EX88)
IC601 (EX88)
21
R-CH
25
OUT-R
OUT-L
11
SEL-L
PROTECT-F
12
SEL-R
21
I-SIGNAL-LEVEL
36
O-HP-MUTE
10
R-CH
J301
AM/FM-DET,OSC,MIX,PLL,IF AMP
IC502
L501
X501
32.768kHz
DVD/PC IN
ANTENNA
FM/AM
CN502
-1
-2
L
FM
AM
AM
3
2
1
R
R-CH
FRF1
ARF1
ARF2
+3.3V(TU)
9 PC-IN-R
6
R-CH
R-CH
LOUT
ROUT
X1
X2
4
6
7
5 TUNER-R
SCLK
SDATA
I2C-FUNC-DATA
I2C-FUNC-CLK
I-RDSI
I2C-TU-CLK
I2C-TU-DATA
27
28
41
7
6
9
8
15
14
9V
1
+3.3V REG
IC501
2
5
FL501
BAND-PASS
FILTER
SUBWOOFER
MUTE
Q311,316,317
I2C/RDSI
8
CK
10
DA
13
18
19
3
1
22
I-LED-LEVEL
23
I-VACS
D324
D319
5
7
32
O-SW-MUTE
31
O-FR-RELAY
33
O-AMP-RST
30
O-FAN-LOW-SPEED
35
I-PROTECT-S
5
7
8
VCC
+9V
R-CH
10 INPUT_C
R-CH
44
OUT_B
45
OUT_B
36
37
53
OUT_A
52
OUT_A
OUT_C
OUT_C
OUT_D
OUT_D
29
28
11 INPUT_D
R-CH
2
RESET
15
SD
6
7
PRE AMP
IC600
POWER AMP
IC800
POWER AMP
IC800 (EX66)
IC800 (EX88)
IC800 (EX88)
PRE AMP
IC601
R-CH
HEADPHONE
AMP
IC308
5
7
2
4
5
1
VACS/SIGNAL LEVEL
CONTROL
IC305
5
10
11
2 5
7
6
7
52
I-HP/CD-SW
R-CH
53
36
37
45
44
29
28
SUBWOOFER
AMP
Q312-315
SPEAKER RELAY
DRIVER
Q705
MUTE
CONTROL
Q321,324
DC DETECT
Q706
+8.3V REG
Q319
MUTE
Q325
OVERLOAD
DETECT
Q604-607,
609,610
DC DETECT
Q705
DC DETECT
Q711
OVERLOAD
DETECT
Q604-607
+
–
L
TB601
SUBWOOFER
,03('$1&(86(ȍ
,03('$1&(86(ȍ
TB600
R
RY600
+
–
–
+
–
PHONES
J302
SPEAKERS
+
4
3
2
1
D601
–
L
,03('$1&(86(ȍ
TB600
EX66/EX88
EX99
R
+
–
SPEAKERS
FAN MOTOR CONTROL
Q706,707,712 (EX66)
Q608,706,707 (EX88)
Q707,708,712 (EX99)
Q608,706,707 (EX88)
Q707,708,712 (EX99)
FAN MOTOR
REG
Q708 (EX66/EX88)
Q709 (EX99)
FAN MOTOR
DETECT
Q709 (EX66/EX88)
Q710 (EX99)
D704
FAN701
DC FAN
DC FAN
+9V
+13V
+
–
M+7V
INPUT_A
INPUT_B
INPUT_C
OUT_A
OUT_A
OUT_B
OUT_B
OUT_C
OUT_C
OUT_D
OUT_D
INPUT_D
RESET
SD
A
CD SECTION
B
CD SECTION
D
DISPLAY/
POWER
SECTION
5FKLVRPLWWHGGXHWRVDPHDV/FK
6LJQDOSDWK
: FM
: AM
: CD
: DVD
5-2. BLOCK DIAGRAM –TUNER/AUDIO Section –
(Page 17)
(Page 19)
(Page 17)
HCD-EX66/EX88/EX99
HCD-EX66/EX88/EX99
19
19
26 I-KEY0
I-KEY1
I-KEY2
I-KEY2
83
I
86
45
I
53
56
I
79
SEG0
I
SEG32
COM3
I
COM0
25
24
24
29 I-RMC
+12V
PVDD
3
REMOTE CONTROL
SIGNAL RECEIVER
IC301
S301,303–309,
312–316
KEY MATRIX
ND301
LIQUID
CRYSTAL
DISPLAY
PANEL
27
I-PROTECT-F
VREF
PROTECT-F
SYSTEM CONTROL
IC302 (3/3)
RECT
D943
VOLTAGE
DETECT
IC932 (EX88)
IC932 (EX99)
IC932 (EX99)
VOLTAGE
DETECT
IC966 (EX88)
IC966 (EX99)
IC966 (EX99)
K
38
O-SUB-ON
34
I-V2-MONI
37
O-MAIN-ON
39
O-VBUS-ON
40
I-VBUS-OCP
43 O-LCD-LED
12 SUB CLOCK
X301
32.768kHz
X302
20MHz
13 SUB CLOCK
15 MAIN CLOCK
16 MAIN CLOCK
+9V
+3.3V(A)
+5.7V REG
Q301
E+4V
D301,302
LCD BACK
LIGHT
5 O-DIMMER
10 O-VOL-LED
28 I-AC-CUT
2 VDD
1
OUT
LED
DRIVER
Q303
DIMMER
CONTROL
Q302
LED
DRIVER
Q304
RESET
Q310
RESET
IC307
I-RST
4
1
4
6
7
3
VREF
K
4
3
VREF
VOLTAGE
DETECT
IC932
K
4
3
VOUT
4
VIN
VCONT
2
OUT
1
VDD
V2
V2
PVDD
+12V
+3.3V(C)
+3.3V(A)
+9V
VBUS+5V
2
OUT
V2
V2
PVDD
EX88/EX99
EX66
PVDD
EX66
EX88/
EX99
EX99
1
VDD 2
3
1
1
OVER CURRENT
DETECT
Q600,601 (EX88)
Q602,603 (EX99)
Q602,603 (EX99)
+19V REG (EX88)
+22V REG (EX99)
+22V REG (EX99)
Q965
POWER
CONTROL
Q934,935
POWER
ON/OFF
ON/OFF
Q932
D937
DC-DC
CONVERTER
IC931 (EX88)
IC931 (EX99)
IC931 (EX99)
D941
T901
DC-DC CONVERTER
TRANSFORMER (MAIN)
T903
DC-DC CONVERTER
TRANSFORMER (SUB)
T901
DC-DC CONVERTER
TRANSFORMER
D
VCC
FB
OCP/BD
DC-DC
CONVERTER
IC965 (EX88)
IC965 (EX99)
IC965 (EX99)
D
VCC/OVP
BD
FB/OLP
VCC/OVP
BD
FB/OLP
DC-DC
CONVERTER
IC930
AEEUHYLDWLRQ
EA SDXGL AUDELD PRGHO
EA SDXGL AUDELD PRGHO
D
PH930
ISOLATION
VOLTAGE
DETECT
Q930
1
3
6
5
1
3
6
5
PH931
ISOLATION
PH965
ISOLATION
PH930
ISOLATION
POWER
CONTROL
Q933
VOUT
4
VIN
E+4V
+3.3V(B)
+13V
M+7V
2
SW
VBUS+5V REG
IC703 (EX66)
IC703 (EX88)
IC703 (EX99)
IC703 (EX88)
IC703 (EX99)
2
5
IN 1
VOUT
4
1
VIN 2
3
+9V REG
IC701 (EX66)
IC701 (EX88)
IC701 (EX99)
IC701 (EX88)
IC701 (EX99)
D315
VC
SS
+4V REG
IC700 (EX66)
IC700 (EX88)
IC700 (EX99)
IC700 (EX88)
IC700 (EX99)
+7V REG
IC702 (EX66)
IC702 (EX88)
IC702 (EX99)
IC702 (EX88)
IC702 (EX99)
1
POWER
CONTROL
Q970
STANDBY
CONTROL
Q308,309
POWER
CONTROL
Q702,703
VBUS OCP
DETECT
Q704
POWER
CONTROL
Q700,701
POWER
CONTROL
Q601,602
D972
D970
+22V
LIMITER
Q930
D934
D940
RECT
D967
RECT
D965
F931
VOLTAGE DETECT
IC604
+12V REG
IC602
VOLTAGE DETECT
IC603 (EX66)
IC603 (EX88)
IC603 (EX99)
IC603 (EX88)
IC603 (EX99)
D967
RECT
D981
+12V REG
IC602 (EX88)
IC602 (EX99)
IC602 (EX99)
POWER
CONTROL
Q602,603 (EX88)
Q600,601 (EX99)
Q600,601 (EX99)
42
O-STBY-SW
F901
L901,902 (EX88/EX99)
L903 (EX66)
L904 (EX66: EA MODEL)
L903 (EX66)
L904 (EX66: EA MODEL)
AC IN ~
RECT
D901 (EX88)
D902 (EX66/EX99)
D901 (EX88)
D902 (EX66/EX99)
TH901 (EX66)
TH902 (EX88/EX99)
TH902 (EX88/EX99)
D303,305,307,
309,310
C
CD SECTION
D
TUNER/AUDIO
SECTION
5-3. BLOCK DIAGRAM –DISPLAY/POWER Section –
(Page 17)
(Page 18)
HCD-EX66/EX88/EX99
HCD-EX66/EX88/EX99
20
20
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
• 2 : Nonfl ammable resistor.
• C : Panel designation.
• 2 : Nonfl ammable resistor.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– BD76 Board –
no mark : CD PLAY
– Other Boards –
no mark : TUNER (FM/AM)
no mark : CD PLAY
– Other Boards –
no mark : TUNER (FM/AM)
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
F
: TUNER (FM)
f
: TUNER (AM)
J
: CD
E
: USB
q
: DVD/PC IN
• Abbreviation
AR
AR
: Argentina model
E2
: 120V AC area in E model
E4
: 220 – 240V AC area in E model
E51
: Chilean and Peruvian models
EA
: Saudi Arabia model
MX
: Mexican model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
•
• X : Parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Abbreviation
AR
AR
: Argentina model
E2
: 120V AC area in E model
E4
: 220 – 240V AC area in E model
E51
: Chilean and Peruvian models
EA
: Saudi Arabia model
MX
: Mexican model
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Circuit Boards Location
PANEL board
AMP SMPS board
EFX-MODULE board
TUNER board
BD76 board
LOADING board
REGULATOR board
(EX88/EX99)
(EX88/EX99)
• Waveforms
– BD76 Board –
– TUNER Board –
– PANEL Board –
16.934 MHz
200 mV/DIV, 500 nsec/DIV
1 V/DIV, 20 nsec/DIV
1
IC101 2 (RFOUT)
(CD play mode)
2
IC101 us (XOUT)
0.6 to 1.5 Vp-p
2.6 Vp-p
1 V/DIV, 20 nsec/DIV
3
IC901 7 (CF2)
12 MHz
3.1 Vp-p
20 MHz
32.768 kHz
1 V/DIV, 10
Psec/DIV
1 V/DIV, 50 nsec/DIV
1
IC302 qd (Sub Clock)
2
IC302 qh (Main Clock)
2.9 Vp-p
3.3 Vp-p
200 mV/DIV, 5
Psec/DIV
1
IC502 ql (X2)
32.768 kHz
0.6 Vp-p
Click on the first or last page to see other HCD-EX66 / HCD-EX88 / HCD-EX99 / MHC-EX66 / MHC-EX88 / MHC-EX99 service manuals if exist.