Sony HCD-EX660Z / HCD-EX880Z / HCD-EX990Z / MHC-EX660 / MHC-EX880 / MHC-EX990 Service Manual ▷ View online
HCD-EX660Z/EX880Z/EX990Z
HCD-EX660Z/EX880Z/EX990Z
17
17
5-1. BLOCK DIAGRAM - CD Section -
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,
SPINDLE/SLED MOTOR DRIVE
IC301
CD-MP3 PROCESSOR
IC101
VO1+
BIAS
2
VO1-
1
IN1 3
23
SL+
SL-
VO2+
11
VO2-
12
IN2’ 9
T+
T-
VO3+
18
VO3-
17
IN3’ 20
F+
F-
CD
MECHANISM
DECK
LOADING
MOTOR
DRIVE
IC201
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(CONT3) 32
LCHO
CD/USB-L
76
RCHO
R-CH
78
USB CONTROL
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(DEFECT) 33
STCK(FSEQ) 34
STDATA(C2F) 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
O-CD-M- 43
O-CD-M+ 44
7
1
9
2
4
4
2
1
4
I-HP/CD-SW 18
DBGP0
DBGP1
DBGP2
DBGP1
DBGP2
DBGP0
RESET
DBGP1
DBGP2
DBGP2
95
96
97
96
97
I-RST 11
3
D+
D-
X901
12MHz
2
1
4
I-HP/CD-SW
SYSTEM CONTROL
IC200 (1/3)
63
PCMBCK
64
PCMDATA
65
PCMREQ
44
CL
43
CE
45
DI
46
DO
2
CN200
FLASH
PROGRAMMING
3
( )
CN901
FLASH
PROGRAMMING
( )
5
1
5FKLVRPLWWHGGXHWRVDPHDV/FK
8
7
5
7
5
9
DBGP0
DBGP1
DBGP2
DBGP1
DBGP2
TRESET
I-RST
+3.3V REG
IC202
MOTOR
CONTROL
Q200
VREF
FIN
RIN
RIN
OUT2
OUT1
OUT1
6LJQDOSDWK
: CD
: USB
: USB
TUNER/AUDIO
SECTION
(Page 18)
(Page 18)
A
TUNER/AUDIO
SECTION
(Page 18)
(Page 18)
B
DISPLAY/POWER
SECTION
(Page 19)
(Page 19)
C
CN100
HCD-EX660Z/EX880Z/EX990Z
HCD-EX660Z/EX880Z/EX990Z
18
18
5-2. BLOCK DIAGRAM - TUNER/AUDIO Section -
8
R-CH
INPUT FUNCTION SELECTOR
IC204
SYSTEM CONTROL
IC200 (2/3)
CD/USB-L
7 CD/USB-R
CD/USB-L
PC-IN-L
TUNER-L
5 INPUT_B
4 INPUT_A
PRE AMP
IC600
PRE AMP
IC601
21
R-CH
25
OUT-R
OUT-L
11
SEL-L
PROTECT-F
12
SEL-R
36 O-HP-MUTE
10
R-CH
J102
AM/FM-DET,OSC,MIX,PLL,IF AMP
IC101
L101
X101
32.768kHz
DVD/PC IN
ANTENNA
FM/AM
CN103
-1
-2
L
FM
AM
AM
3
2
1
R
R-CH
FRF1
ARF1
ARF2
+3.3V
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
4
+3.3V REG
IC103
3
FL101
BAND PASS
FILTER
SUBWOOFER
MUTE
Q204, Q209
IIC/RDSI
8
CK
10
DA
13
18
19
3
1
22
I-LED-LEVEL
23
I-VACS
D206
32
O-SW-MUTE
30
O-FR-RELAY
33
O-AMP-RST
5
O-FAN-LOW-SPEED
35
I-PROTECT-S
10 INPUT_C
RCH+
53
OUT_A
52
OUT_A
36
37
44
OUT_B
45
OUT_B
OUT_C
OUT_C
OUT_D
OUT_D
28
29
11 INPUT_D
RCH-
6
7
PRE AMP
IC600
POWER AMP
IC801
POWER AMP
IC800
PRE AMP
IC601
RCH-
5
7
2
6
7
1
VACS/SIGNAL LEVEL
CONTROL
IC203
5
12
13
7
6
7
39
40
31
36
28
27
SUBWOOFER
AMP
Q211, Q212
SPEAKER RELAY
DRIVER
Q608
OVERLOAD
DETECT
Q604 – Q607,
Q609, Q610
DC DETECT
Q706
OVERLOAD
DETECT
Q604-607
+
–
L
TB601
SUBWOOFER
TB600
R
RY600
+
–
–
+
–
SPEAKERS
–
D601
+
L
TB600
EX660Z
EX990Z
R
+
–
SPEAKERS
FAN MOTOR
CONTROL
Q708 (EX660Z/EX880Z)
Q713 (EX990Z)
FAN MOTOR
DETECT
Q608 (EX880Z)
Q611 (EX990Z)
Q611 (EX990Z)
FAN MOTOR
REG
Q704 (EX880Z/EX990Z)
FAN MOTOR
DETECT
Q705 (EX880Z/EX990Z)
D704
DC FAN
+9V
+13V
+
–
M+7V
DC DETECT
Q705
+9V
M+7V
D702
INPUT_A
INPUT_B
INPUT_C
OUT_A
OUT_A
OUT_B
OUT_C
OUT_D
OUT_D
INPUT_D
4 /RESET
17 /SD
4 /RESET
17 /SD
7 INPUT_B
6 INPUT_A
PRE AMP
IC600
PRE AMP
IC601
12 INPUT_C
RCH+
2 /RESET
15 /SD
39
OUT_A
40
OUT_A
31
36
OUT_B
OUT_C
OUT_D
OUT_D
28
27
13 INPUT_D
RCH-
6
7
POWER AMP
IC801
6
7
OVERLOAD
DETECT
Q604-607
–
D601
+
L
TB600
EX880Z
R
+
–
SPEAKERS
DC DETECT
Q703
5
7
8
VCC
+9V
R-CH
HEADPHONE AMP
IC100
I-HP/CD-SW
R-CH
HEADPHONE
MUTE SWITCH
Q100
HEADPHONE AMP
POWER SWITCH
Q104
MUTE
Q105
PHONES
J100
CD
SECTION
(Page 17)
(Page 17)
A
CD
SECTION
(Page 17)
(Page 17)
B
DISPLAY/POWER
SECTION
(Page 19)
(Page 19)
D
DC DETECT
Q703
R-FK LV RPLWWHG GXH WR VDPH DV L-FK.
SLJQDO SDWK
: TUNER (FM)
: TUNER (AM)
: CD
: DVD/PC IN
HCD-EX660Z/EX880Z/EX990Z
HCD-EX660Z/EX880Z/EX990Z
19
19
5-3. BLOCK DIAGRAM - DISPLAY/POWER Section -
26 I-KEY0
I-KEY1
I-KEY2
I-KEY2
83
I
86
46
I
53
56
I
79
SEG0
I
SEG31
COM3
I
COM0
25
24
24
29 I-RMC(SIRCS)
PVDD
3
REMOTE CONTROL
SIGNAL RECEIVER
IC101
S100 – S114
KEY MATRIX
ND100
LIQUID
CRYSTAL
DISPLAY
PANEL
27
I-PROTECT-F
VREF
PROTECT-F
SYSTEM CONTROL
IC200 (3/3)
RECT
D1000
+12V REG
IC1001
K
38
O-SUB-ON
34
I-V2-MONI
37
O-MAIN-ON
39
O-VBUS-ON
40
I-VBUS-OCP
10 O-LCD-LED
12 SUB CLOCK
X200
32.768kHz
X201
18MHz
13 SUB CLOCK
15 MAIN CLOCK
16 MAIN CLOCK
+3.3V
M+7V
D106
(WHITE)
87 O-VOL-LED1
88 O-VOL-LED2
28 I-AC-CUT
2 VDD
1
OUT
LED
DRIVER
Q108
LED
DRIVER
Q107
LED
DRIVER
Q119
RESET SWITCH
Q203
RESET
IC205
I-RST
4
8
2
4
5
3
VREF
K
4
3
+12V
EN
VO
5
1
VREF
VOLTAGE
DETECT
IC1000
K
4
3
V2
+3.3V
+9V
VBUS+5V
OUT
V2
V2
EX880Z/EX990Z
EX660Z
PVDD
EX660Z
EX880Z/
EX990Z
EX990Z
1
VDD 2
SS
5
Vin 1
+4V REG
IC700
+4V
VOUT
4
VIN 5
OVER CURRENT
DETECT
Q1004, Q1005,
Q1017
MAIN SWITCH
Q602, Q603,
Q612
+22V REG
Q911
POWER CONTROL
Q1003, Q1008
D1007 – D1008,
D1020 – D1021
VOLTAGE
REGULATOR
D909 – D910
Q903, Q904
POWER CONTROL
Q906 – Q909
POWER CONTROL
Q906 – Q909
PROTECTION
ON/OFF
Q914, Q915
PROTECTION
ON/OFF
Q911, Q913
VOLTAGE
REGULATOR
D908, D910
Q903, Q904
VOLTAGE
DETECTION
D1020, D1021,
D1011
D912
T901
CONVERTER
TRANSFORMER (MAIN)
T903
CONVERTER
TRANSFORMER (SUB)
T901
CONVERTER
TRANSFORMER
DRIVE
VCC
FB
OCP1BD
D
Vcc/OVP
BD
FB/OLP
VCC
FB
DC-DC
CONVERTER
IC900
DRIVE
PH930
ISOLATION
VOLTAGE DETECT
Q905
VOLTAGE DETECT
Q902, Q910
VOLTAGE CONTROL
Q910
1
3
6
5
8
2
4
PH932
ISOLATION
PH933
ISOLATION
PH930
ISOLATION
PH931
ISOLATION
POWER CONTROL
Q1006
MAIN SWITCH
Q600, Q601
VOUT
4
VIN
E+4V
+13V
M+7V
5
SW
2
5
IN 1
SS
POWER
CONTROL
Q1011 – Q1013,
Q1016
STANDBY
SWITCH
Q201
VBUS OPERATION
DRIVER
Q706 (EX660Z)
Q707 (EX880Z/EX990Z)
VBUS OCP
DETECT
Q702
POWER
CONTROL
Q700,701
D972
D927
RECT
D1010
D1001, D1002
D967
RECT
D1001
42
O-STBY-SW
F901
L901,902
AC IN ~
RECT
D902
TH902 (EX660Z)
TH902, TH904
(EX880Z/EX990Z)
D117, D121
D116,
D118 –D120
OVER CURRENT
DETECT
Q1001 – Q1004,
Q1017
TUNER/AUDIO
SECTION
(Page 18)
(Page 18)
D
CD SECTION
(Page 17)
C
VOLTAGE
DETECT
IC1001 (EX880Z)
IC1001 (EX990Z)
IC1001 (EX990Z)
DC-DC
CONVERTER
IC900 (EX880Z)
IC900 (EX990Z)
IC900 (EX990Z)
DC-DC
CONVERTER
IC965 (EX880Z)
IC965 (EX990Z)
IC965 (EX990Z)
+12V REG
IC602 (EX880Z)
IC602 (EX990Z)
IC602 (EX990Z)
VOLTAGE
DETECT
IC1000 (EX880Z)
IC1000 (EX990Z)
IC1000 (EX990Z)
+3.3V REG
IC603 (EX660Z)
IC603 (EX880Z)
IC603 (EX990Z)
IC603 (EX880Z)
IC603 (EX990Z)
+9V REG
IC701 (EX660Z)
IC701 (EX880Z)
IC701 (EX990Z)
IC701 (EX880Z)
IC701 (EX990Z)
+4V REG
IC700 (EX880Z)
IC700 (EX990Z)
IC700 (EX990Z)
+7V REG
IC703 (EX880Z)
IC703 (EX990Z)
IC705 (EX660Z)
IC703 (EX990Z)
IC705 (EX660Z)
VBUS+5V REG
IC702 (EX880Z)
IC702 (EX990Z)
IC703 (EX660Z)
IC702 (EX990Z)
IC703 (EX660Z)
HCD-EX660Z/EX880Z/EX990Z
HCD-EX660Z/EX880Z/EX990Z
20
20
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
F unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
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
).
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
E2
E2
: 120V AC area in E model
E51
: Chilean and Peruvian models
MX
: Mexican model
RU
: Russian model
SAF : South African 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
E2
E2
: 120V AC area in E model
E51
: Chilean and Peruvian models
MX
: Mexican model
RU
: Russian model
SAF : South African 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:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
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.
• Waveforms
– BD76 Board –
– TUNER1 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
18 MHz
32.768 kHz
1 V/DIV, 10
Psec/DIV
1 V/DIV, 50 nsec/DIV
4
IC200 qd (Sub Clock)
5
IC200 qh (Main Clock)
2.9 Vp-p
3.3 Vp-p
200 mV/DIV, 5
Psec/DIV
6
IC101 ql (X2)
32.768 kHz
0.6 Vp-p
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