Sony HCD-LS1 Service Manual ▷ View online
33
33
• Waveforms
– MAIN R237 Board –
– MAIN R237 Board –
1
U101
8
(TE), U102
ra
(TE)
(CD Play Mode)
2
U101
q;
(FE), U102
el
(FE)
(CD Play Mode)
3
U101
wf
(RFI),
wg
(RFO)
U102
rd
(RFDC),
ta
(RFAC)
(CD Play Mode)
4
U102
yh
(XTAI)
5
U501
yl
(X2)
140 m Vp-p
Approx.
200 mVp-p
Approx.
Approx.
1.2 Vp-p
1.2 Vp-p
2.4 Vp-p
16.9344 MHz
3.7 Vp-p
4.194304 MHz
3.2 Vp-p
4.332 MHz
5.2 Vp-p
5 MHz
– MAIN Board –
1
IC103
qd
(XI)
– FRONT Board –
1
IC601
qj
(X2)
34
34
HCD-LS1
5-14. PRINTED WIRING BOARDS – POWER SUPPLY Section –
•
See page 21 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D1
H-6
D2
H-6
D3
H-6
D4
H-6
D5
G-5
D6
F-4
D7
F-4
D8
G-4
D9
G-4
D10
E-6
D11
H-6
D12
H-5
D13
F-6
D14
F-6
D15
F-6
D16
F-8
IC1
G-5
IC2
G-6
IC3
G-6
IC4
G-6
IC5
G-9
Q1
H-6
Q2
H-5
Q3
H-5
Q4
G-7
Q5
F-8
Q6
E-8
Q7
F-8
POWER SUPPLY BOARD
(COMPONENT SIDE)
POWER SUPPLY BOARD
(CONDUCTOR SIDE)
1
IC5
10
1
CN1
7
1
CN3
3
1
CN2
3
IC1
5
4
2
1
IC2
IC4
Q4
2
L1
LINE
FILTER
3
1
4
Q1
Q2
Q3
Q5
Q7
Q6
T901
DC/DC CONVERTER
5
1
2
3
4
1
2
3
4
6
IC3
1
3
+
(CHASSIS)
K
H
G
R16
R1
R11
R26
R25
R27
R30
R2
R7
R8
R5
R15
R14
R4
R3
R17
R6
R9
R10
R13
R28
R29
R23
R24
R12
D4
D2
D1
D3
D9
D13
D14
D10
D15
D16
D6
D7
D5
D8
D12
D11
TH1
C2
C1
C3
C4
C5
C8
C31
C9
C20
C21
C18
C12
C28
C10
C13
C27
R22
C25
C29
C30
C26
+
+
C23
+
C15
+
C22
+
+
C17
+
C6
+
+
C16
C24
+
+
C11
+
L4
L3
L2
FB1
1
2
1
2
AC IN
05
F501
1
A
2
3
4
5
6
7
8
9
B
C
D
E
F
G
H
GND1
AC BOARD
(COMPONENT SIDE)
1-678-395-
11
AC BOARD
(CONDUCTOR SIDE)
1-678-395-
11
(Page 26)
(Page 26)
(Page 28)
35
35
HCD-LS1
5-15. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
•
See page 36 for IC Block Diagram.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
no mark : TUNER (FM/AM)
∗
: Impossible to measure
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
(Page 29)
(Page 27)
(Page 27)
36
36
• IC Block Diagrams
– MAIN R237 Board –
– MAIN R237 Board –
U102
CXD2587Q
– MAIN Board –
IC103
BU1924F (AEP, UK models)
– FRONT Board –
IC631
BU2092F-E2
– POWER SUPPLY Board –
IC5
LA5617
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTION
CORRECTION
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
ANALOG
DIGIT
AL
RCLK
NC
XO
XI
VSS2
T2
VDD2
T1
QUAL
RDA
T
VREF
MUX
VDD1
VSS1
VSS3
CMP
1
4
3
6
5
8
7
2
14
15
16
13
12 11 10
9
CLOCK
PLL 57kHz
RDS/ARI
COMPARATOR
8th SWITCHED
CAPACITOR
FILTER
ANTI-ALIASING
FILTER
BIPHASE
DECODER
PLL
1187.5Hz
DEFFERENTIAL
DECODER
TEST
1 2
3
4
5 6 7 8 9
10
16 15 14 13 12 11
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
OUTPUT
BUFFER
(OPEN DRAIN)
17
18
VDD
OE
Q11
Q10
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
LCK
CLOCK
DATA
VSS
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
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