Sony HCD-N455KW / LBT-N455KRW Service Manual ▷ View online
—CD SECTION—
HCD-N455KW
• R CH: Same as L ch
• SIGNAL PATH
• SIGNAL PATH
: CD
M
OPTICAL PICK-UP BLOCK
DETECTOR
K
B+
A
D
C
B
E
F
A
D
C
B
1
4
2
5
5
10
6
35
36
38
39
RV102
FOCUS
GAIN
2
1
42
44
RV103
TRACKING
GAIN
LD DRIVE
Q101, 102
33
34
LD
PHD
XRST
FGD
FOK
25
25
4
FOCUS/TRACKING SERVO.
EFM COMPARATOR
IC101 (1/2)
6
7
7
12
13
13
19
21
20
37
24
23
31
RV101
B+
FOCUS
BIAS
14
FOCUS SW
Q103
55
54
RF1
PD2
F
E
FEI
FEO
TEO
TEI
CLK
XLT
DATA
TAO
TA-M
FE-M
FE-O
FE BIAS
SENS
C.OUT
RFO
3
1
56 57 59
64
51 52 53
43 46 47 49
50
34
21
20
20
22
2
3
1
4
13
16
26 28 27
5 • 6
X101
16.9344MHz
CKO
XTI
•
XTO
L OUT
R OUT
DATA
LRCK
BCLK
DATA
MLAT
CLOK
XTAI
PCMD
LRCK
BCLK
XRST
SCOR
SQSO
SQCK
SENS
DATA
XLAT
CLOK
DIGITAL SIGNAL PROCESSOR,
CLV SERVO
IC103
RF
CNIN
SEIN
SEIN
DATAO
XLTO
CLKO
MDP
XLON
FOK
7
LASER
DIODE
TRACKING
COIL DRIVE
19
18
17
FOCUS/TRACKING
COIL DRIVE
IC102 (1/2)
FOCUS
COIL DRIVE
9
12
11
2-AXIS
DEVICE
TRACKING
COIL
FOCUS
COIL
T+
F+
T–
F –
SLED
SERVO
IC101 (2/2)
SLED/SPINDLE
MOTOR DRIVE
IC102 (2/2)
14
16
25
SLED MOTOR
DRIVE
26
•
27
M
M102
SLED MOTOR
SPINDLE MOTOR
DRIVE
4
1
•
2
M
M101
SPINDLE
MOTOR
SLO
SL+
CD CLK
CD DATA
DF LAT
SCOR
SQ DATA
SQ DATA
SQ CLK
SENS
FOCUS SW
XRST
XLAT
S201
UP SW
09
DIGITAL FILTER
D/A CONVERTER
IC104
L-CH
R-CH
C
MAIN
SECTION
X RESET
7
3
9
1
M201
TABLE
MOTOR
OUT1
OUT2
IN1
IN2
MOTOR DRIVER
IC201
TBL.L
TBL.R
UP SW
(Page 21)
DISC
TABLE
SENSOR
IC202
T.SENS
— 18 —
— 17 —
HCD-N455KW
— 19 —
— 20 —
—DECK SECTION—
IC611
R CH
HP101
PB HEAD
(DECK A)
(DECK A)
L
R
RV311
PLAYBACK
LEVEL
DECK A
IC601
R CH
L
R
RV301
PLAYBACK
LEVEL
DECK B
3
1
IC602
4
REC/PB
EQ OUT
REC BIAS
BIAS OSC
T621, Q621, 622
ERASE HEAD
ERASE BIAS
3
2
BIN
A IN
4
14
A/B
ABO
EQ IN
11
13
RV301
REC LEVEL
10
REC OUT
BIAS SW
B OUT
C IN
5
70
120
+7.5V
Q623, 901
REC IN
6
16
18
19
8
PB OUT
Q402
BIAS ON/OFF
RM ON/OFF
Q301
MUTE
PB L
REC L
PB A/B
NORM/HIGH
BIAS ON/OFF
RM ON/OFF
RELAY REC/PB
09
B
MAIN
SECTION
LM ON/OFF
NORM/
HIGH
P
R
REC/PB HEAD
(DECK B)
X
HEAD AMP
IC401
HRPE101
RV341
REC
BIAS
27
15
S1004
A C O
A C O
S1008
B C O
B C O
r 2
r 2
17
A 120/70
B 120/70
M
CAP M SWITCH
Q405, 407
SPEED
CONTROL
Q651
SWITCH
Q406
RV652
HIGH
SPEED
RV651
NORMAL
SPEED
M1
CAPSTAN
MOTOR
CAP M ON/OFF
CAP M H / L
REEL
DETECT
Q1001
A SHUT
B SHUT
REEL
DETECT
Q1002
S1001 (A PLAY)
+5V
S1002 (B PLAY)
A PLAY
B PLAY
A HALF
S1003
(A HALF)
+5V
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
SWITCH
Q408-410
TRIG H / L
B TRIG
A TRIG
SWITCH
Q412
SWITCH
Q411
4
6
5
TRIGGER
MOTOR
DRIVE
IC402
VZ
IN2
IN1
OUT1
OUT2
2
10
M
M2
TRIGGER
MOTOR
B HALF
(Page 21)
• R-CH : Same as L-CH
• SIGNAL PATH
• SIGNAL PATH
:PB (DECK A)
:REC (DECK B)
:PB (DECK B)
—MAIN SECTION—
— 21 —
HCD-N455KW
55
56
57
58
59
60
61
80
81
1
2
3
4
5
9
10
6
J801
J801
J901
MIC
LEVEL
RV901
MICON
INTERFACE
+
+
BB22
BB12
EQ
EQUALIZER / VOLUME
IC901
DBFB
SWITCH
Q901
FEED
BACK
Q902
Q902
MUTE
Q954
MUTE
SWITCH
Q820
POWER
OFF
MUTE
Q1206
OVER LOAD
DET
Q1201
Rch
Q1204
Rch
Rch
1
2
6
4
7
PROTECTOR
IC1202
RELAY
DRIVE
Q1207,1208
+B
SPEAKER
TM1201
PHONES
J601
PROTECTOR
SWITCH
Q1205
D705
RESET
SWITCH
Q701
RESET
IC702
+5.6V
2
3
X701
10MHz
X3001
4MHz
4
8
5
6
D201
(DISC No.)
09
87 - 99
FL501
FLUORESCENT INDICATOR TUBE
VF
12
11
X1
X2
31
33
DOR SW
KEY 3
KEY 1
JOG A
JOG B
37
15
9
5
•
18
•
17
•
45
43
LED SELECT
42
SIRCS IN
39
IC501
GRAPHIC CONTROL
REQ GM
CLK MG
DATA GM
DATA MG
RDY MG
21
22
23
24
38
10
RESET
LED
SWITCH
Q621-625,
Q629-634
D611-620,
D628-633,
D636-640
D628-633,
D636-640
REMOTE
CONTROL
RECEIVER
RECEIVER
IC502
LED CONTROL
IC504
ROTARY
ENCODER
AMS
S502
KEY
MATRIX
S591
OPEN
D+5V
68
CD POWER
D1018
D706
+5.6V
+5V
D +5V
D +5V
(CD)
+5V REG
Q1001,1002
VF
+B
–B
D1250
RECT
AC
IN
T1601
POWER
TRANSFORMER
RECT
D1003 - 1006
D1001,1002
RECT
RECT
D1013, 1014
DF DP
–25V REG
Q1006
ST +10V
+10V REG
Q1003
–7.5V
–7V REG
IC1004
+5V REG
IC1001
+7.5V
CD +7V
+7V REG
IC1003
+7V REG
IC1002
PB L
REC L
RELAY REC/PB
ST L
COM DIN
COM CLK
COM DATA
STEREO
TUNED
ST CE
MUTE
L CH
UP. SW
TBL. L
TBL. R
SCOR
T. SENS
DF LAT
SENS
X RST
CD CLK
CD DATA
FOCUS SW
SQ CLK
SQ DATA
X LAT
B
DECK
SECTION
A
TUNER
SECTION
C
CD
SECTION
MIC 1
IC801
5
7
PHONO EQ AMP
INPUT SELECT
IC802
V
TC
ST
CD
73
71
72
93
94
95
10
COM DATA
COM CLK
COM DIN
STEREO
TUNED
ST CE
ST MUTE ON
TC RELAY
LINE MUTE ON
220 A PLAY
220 B PLAY
220 B PLAY
62
62427 LAT
15
23
23
24
25
26
29
30
31
38
40
43
44
45
46
75
UP SW
TBL L
TBL R
SCOR
SCOR
TBL SENS
DF LAT
SENS
XRST
CD CLK
CD DATA
FOCUS SW
SQ CLK
SQ DATA
X LAT
LIDDED LED
67
77
70
POWER ON
DBFB HIGH
MUTE
34
35
36
37
32
GM REQ
MG CLK
GM DATA
MG DATA
MG DATA
MG RDY
RESET
AC CUT
XOUT
XIN
XOUT
XIN
X702
32kHz
62
69
71
29
28
30
32 33 34
CK
DA
65
64
45
44
43
42
38
POWER AMP
IC1201
Rch
RY1201
3
1
5
7
MIC AMP
IC901
B
A
INH
D+5V
Q201
MASTER CONTROL
IC701
LED
SWITCH
IC504,
Q3151,3152
D3151-3154
5CD
40 41
LATCH
REC 2A
97
98
99
99
DELAY ON
DELAY LEVEL A
DELAY LEVEL B
DELAY LEVEL B
GR14 - 2
41
36
20
VOL A
VOL B
ROTARY
ENCODER
VOLUME
S579
53
49
LED
CONTROL
IC504,Q601
Q603,605
Q626,635
Q626,635
D601 - 604
D621, 622
D634, 635
D621, 622
D634, 635
LEDS1
LEDS5
82
83
87
88
89
89
90
91
92
TC A
BIAS OFF
REC MUTE
A SHUT
B SHUT
B HALF
A HALF
NORM
CAP M HIGH
A TRG
B TRG
B TRG
TRG LOW
CAP M ON
A SHUT
BIAS ON/OFF
B SHUT
RM ON/OFF
LM ON/OFF
B HALF
A HALF
A PLAY
A PLAY
B PLAY
PB A / B
NORM/HIGH
CAP M H/L
A TRG
B TRG
B TRG
TRIG H/L
CAP M ON/OFF
Q611,612
IC902(2/2)
3
1
TM1202
SURROUND
SPEAKER
23
IC806 ECHO AMP
LPF2 OUT
IC808 (1/2)
3
1
13
LPF1 IN
2
3
X801
320kHz
IC808(2/2)
5
7
29
28
28
27
26
SPEANA 1
SPEANA 2
SPEANA 3
SPEANA 4
SPEANA 2
SPEANA 3
SPEANA 4
D/A
19
30
KEY SELECT
IC503
KEY 4
KEY SEL
TC +5V
D1016,1017
D1021,1022
D1021,1022
RECT
D1309,1310
KEY CON
SWITCH
Q1401
K CON
LATCH
DATA
CLK
Q1403
8
7
9
IC1401
KEY
CONTROL
IC1403
KEY CON
SWITCH
4
63
K CON LAT
74
KEY CON ON
GRID
DRIVE
Q636
100 GR1
54 - 78 80 - 86
SEG32 - 1
POWER ON/OFF
MUTE SWITCH
Q823
10
11
9
IC861
ECHO LEVEL
12 2 5
DLY ON
DLY A
DLY B
1
10
6
J902
MIC 2
VIDEO
(AUDIO)
PHONO
IN
5
LED1
LED5
LED9
LED13
•
(Page 20)
(Page 16)
(Page 18)
S.TWITTER ON/LED8
2
• Rch : Same as Lch
• Signal path
: FM
: CD
: PB
: REC
: VIDEO
: PHONO
: SUPER WOOFER
1
2
6
4
7
PROTECTOR
IC3002
RELAY
DRIVE
Q3108
Q3108
+B
WOOFER
SYSTEM
J3101
PROTECTOR
SWITCH
Q3109
RY3001
OVER LOAD
DET
Q3001,3002
1
13
POWER AMP
IC3001
PRE AMP
IC3003
1
5 IN
OUT
R-CH
R-CH
S.WOOFER
GAIN CONTROL
Q3103
-
+
5
6
7
PRE AMP
IC3103
S.TWITTER
CONTROL SW
Q3101
R-CH
S.TWITTER
SWITCH
Q3105-3107
S.TWITTER
GAIN CONTROL
IC3101,3102
— 22 —
— 71 —
IC1202 µPC1237HA
IC602 µPC1330HA
IC402 LB1641
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
1
2
3
4
5
6
7
8
SW R1
GND
CONT
GND
VCC
SW P2
GND
SW R2
SW P1
9
INVERTER
COMPARATOR
10
9
8
7
6
5
4
3
PRE
DRIVER
INPUT LOGIC BLOCK
GND
OUT1
P1
VZ
IN1
IN2
V
CC
1
V
CC
2
P2
OUT2
2
1
HCD-N455KW
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