Sony HCD-XB66 / HCD-XB660 / LBT-XB66 / LBT-XB660 Service Manual ▷ View online
– 79 –
IC102
BA5941FP-E2
+
–
LEVEL SHIFT
+ –
+
–
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
LEVEL SHIFT
+ –
+
–
MUTE
+
–
+
–
LEVEL SHIFT
+ –
+
–
LEVEL SHIFT
+ –
+
–
+
–
15
16
17
18
19
21
20
22
26
25
24
23
+
–
NC
Vcc
Vcc
Vcc
VCC
BIAS IN
IN1B
IN1A
IN2B
IN2A
GND
GND
MUTE
VCC
OUT2A
OUT2B
OUT1A
OUT1B
IN4B
IN4A
IN3B
IN3A
OP OUT
OP IN (–)
OP IN (+)
GND
NC
VCC
OUT3A
OUT3B
OUT4A
OUT4B
IC103
CXD2591Q
3RD-ORDER NOISE SHAPER
+
–
+
–
PWM
PWM
+
–
+
–
VDD
VSS
LMUT
RMUT
TES2
CKOUT
SQCK
SQSO
SENS
DATA
XLAT
CLOK
SEIN
CNIN
DATO
XLTO
CLKO
SPOA
SPOB
SPOC
SPOD
XLON
FOK
VDD
VSS
MON
MDP
MDS
LOCK
PWMI
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
LRCK
WDCK
ASYE
ASYO
ASYI
BIAS
RF
AVDD
CLTV
AVSS
FILI
FILO
PCO
VCTL
V16M
VCKI
VPCO1
VPCO2
TES1
TES0
43
42
41
40
39
38
37
36
35
34
33
32
31
50
49
48
47
46
45
44
NC
AVSS
AVDD
AOUT1
AIN1
LOUT1
AVSS
XVDD
XTAI
XTAO
XVSS
AVSS
LOUT2
AIN2
AOUT2
AVDD
AVSS
NC
NC
XRST
88
89
90
91
92
93
94
95
96
97
98
99
100
81
82
83
84
85
86
87
SYSM
VDD
VSS
EXCK
SBSO
SCOR
WFCK
EMPHI
EMPH
DOUT
C4M
FSTT
XTSL
MNT0
MNT1
MNT3
XROF
C2PO
RFCK
GFS
XPCK
XUGF
GTOP
VDD
VSS
BCKI
BCK
PCMDI
PCMD
LRCKI
71
70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
80 79 78 77 76 75 74 73 72
ASYMMETRY
CORRECTOR
DIGITAL
PLL
CLOCK
GENERATOR
D / A
INTERFACE
DIGITAL CLV
SERIAL-IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
SUB CODE
PROCESSOR
TIMING
LOGIC
CPU
INTERFACE
SERVO
AUTO
SEQUENCER
ERROR
CORRECTOR
16K RAM
DIGITAL OUT
OSC
EFM
DEMODURATOR
– 80 –
– CD MOTOR Board –
IC201
TA8409S
– MAIN Board –
IC281
µPC1237HA
IC901
LA5617
– AUDIO Board –
IC602
IC602
µPC1330HA
IC1502
LB1641
1
2
3
4
5
6
7
8
9
HEAT
CUT OFF
BLOCK
STANDBY
BLOCK
VREF
BLOCK
IN2
VCC
OUT2
NC
GND
VS
OUT1
VREF
IN1
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
ON/OFF
CURRENT
LIMITER
START
CIRCUIT
VREF
OVER HEAT
PROTECT
ON/OFF
CURRENT
LIMITER
1
2
3
4
5
6
7
8
9
10
VCC
VMUTE
VCC
VREF
ERROR
AMP
VREF
ERROR
AMP
VO1
VCC
CN1
EN
EN DISPLAY
GND
NC
CN2
VEE
VO2
~
_1.8V
~_
140uA
COMPARATER
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
– 81 –
SECTION 8
EXPLODED VIEWS
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(1) CASE, REAR PANEL SECTION
• Abbreviation
AR
: Argentine
AUS : Australian
SAF : South African
MX : Mexican
MX : Mexican
1
3-363-099-01 SCREW (CASE 3 TP2)
* 2
4-987-052-92 CASE
* 3
4-996-413-01 PANEL, BACK (XB66: E, AR)
* 3
4-996-413-21 PANEL, BACK (XB66: MX)
* 3
4-996-413-31 PANEL, BACK (XB66: AUS)
* 3
4-996-413-41 PANEL, BACK (XB66: SAF)
* 3
4-996-413-81 PANEL, BACK (XB660)
4
4-956-370-12 BAND, PLUG FIXED (XB66: AUS)
5
1-233-545-11 ENCAPSULATED COMPONENT
(FM/AM TUNER UNIT)
6
1-769-974-11 WIRE (FLAT TYPE) (13 CORE)
M100
1-763-072-11 FAN, D.C.
2
1
3
4
XB66: AUS
5
6
1
#2
#2
#1
#1
#1
#1
M100
#3
#1
#2
– 82 –
51
4-987-995-01 SPRING (CD EJECT), COMPRESSION
52
4-987-001-11 BUTTON (EJECT CD)
* 53
1-664-019-11 CD-A SW BOARD
54
X-4949-282-1 PANEL (A) SUB ASSY
* 55
1-664-012-11 TC-A SW BOARD
56
4-986-999-12 BUTTON (EJECT A)
57
4-951-620-01 SCREW (2.6X8), +BVTP
58
1-773-161-11 WIRE (FLAT TYPE) (21 CORE)
59
1-769-949-11 WIRE (FLAT TYPE) (11 CORE)
60
3-354-963-01 DAMPER
* 61
1-664-017-11 LED BOARD
62
4-957-577-01 SCREW PTP WH (2.6X8) (DIA. 10)
* 63
1-664-016-11 DOOR SW BOARD
* 64
4-987-933-01 BRACKET (TA)
(2) FRONT PANEL SECTION-1
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
65
4-987-000-12 BUTTON (EJECT B)
* 66
1-664-013-11 TC-B SW BOARD
* 67
1-664-020-11 CD-B1 SW BOARD
68
X-4949-279-1 BUTTON (CD STOP) ASSY
69
4-987-037-11 KNOB (JOG)
70
X-4949-274-1 PANEL (B) SUB ASSY
* 71
1-664-021-11 CD-B2 SW BOARD
72
A-4384-916-A LID ASSY, CD
73
4-987-014-01 INDICATOR (CD)
74
4-987-002-11 BUTTON (CD.PLAY)
75
X-4949-685-1 LID ASSY, DISC
76
4-987-997-01 SPRING (CD. LID), TORSION
77
4-987-998-01 SPRING (LOCK SHAFT), TORSION
78
3-568-749-00 CUSHION, ECM
78
54
53
57
57
57
57
64
71
70
supplied
with S711
with S711
not
supplied
supplied
69
52
51
78
65
66
75
57
67
68
73
74
76
57
57
57
61
62
60
72
62
63
77
not
supplied
supplied
#1
TCM-220WR2
57
59
58
57
57
55
56
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