Main Section - Sony HCD-N455KW Service Manual

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3 7 6 3 1 5 1 5 0

—MAIN SECTION—

RV901
MIC
LEVEL
J901
3 1
MIC 1
MIC AMP
J902
IC901
MIC 2
PHONO EQ AMP
IC801
J801
5 7
PHONO
IN
INPUT SELECT
IC802
J801
VIDEO V
1
(AUDIO)
TC
2
ST
4
CD
5
PB L
REC L
RELAY REC/PB 55 TC RELAY
T E
L 1 3 9 4 2 2 9 6 5 1 3 A SHUT 56 A SHUT
B SHUT 57 B SHUT
58
B HALF B HALF
59 A HALF
A HALF
60
A PLAY 220 A PLAY
B PLAY 61 220 B PLAY
B
PB A / B 80 TC A
DECK
NORM/HIGH 81 NORM
SECTION
82 BIAS OFF
BIAS ON/OFF
(Page 20)
83
RM ON/OFF REC MUTE
LM ON/OFF 87 LINE MUTE ON
88
CAP M H/L CAP M HIGH
A TRG 89 A TRG
B TRG 90 B TRG
TRIG H/L 91
TRG LOW
CAP M ON/OFF 92
CAP M ON
63 K CON LAT
ST L
73
COM DIN COM DATA
71 COM CLK
COM CLK
72 COM DIN
COM DATA
A
STEREO 93 STEREO
TUNER
TUNED 94 TUNED
SECTION
ST CE 95 ST CE
(Page 16)
10
MUTE ST MUTE ON
74 KEY CON ON
L CH
UP. SW 15 UP SW
TBL. L 23 TBL L
TBL. R 24 TBL R
25 SCOR
SCOR
26 TBL SENS
T. SENS
29 DF LAT
DF LAT
C
SENS 30 SENS
31 XRST
X RST
CD
SECTION CD CLK 38 CD CLK
40
CD DATA CD DATA
(Page 18)
43 FOCUS SW
FOCUS SW
www
SQ CLK 44 SQ CLK
SQ DATA 45 SQ DATA
X LAT 46 X LAT
75 LIDDED LED
D+5V
D201
(DISC No.)
.
Q201
09
http://www.xiaoyu163.com
IC808 (1/2)
1
3
IC806 ECHO AMP
12 2 5
5 7
23 LPF1 IN LPF2 OUT 13
ECHO LEVEL
2 3
11
X801
320kHz
CLK Q1403
8
IC1401
IC1403
DATA
KEY
7 KEY CON
CONTROL
LATCH SWITCH
9 5
KEY CON
K CON
SWITCH
Q1401
69
65 64 45
3 71
B 9 29
MICON
EQ
A 10 28
INTERFACE
6 30
INH
EQUALIZER / VOLUME
32 33 34 62
POWER ON/OFF
MUTE SWITCH
Q823
62
62427 LAT
POWER ON 67
77
DBFB HIGH
70
MUTE
DELAY ON 97
DELAY LEVEL A 98
DELAY LEVEL B 99
GM REQ 34
35
MG CLK
GM DATA 36
MG DATA 37
MG RDY 32
4
RESET
RESET
SWITCH
Q701
8
AC CUT
MASTER CONTROL
IC701
RESET
IC702
D705
+5.6V
XOUT 2
X701 X3001
10MHz 4MHz
XIN
3
XOUT 5
X702
32kHz
XIN 6
x a o
GRID
CD POWER 68 y
DRIVE
Q636
i
— 21 —
http://www.xiaoyu163.com
8
IC808(2/2)
PRE AMP
IC3103
7
5
5
6
IC861
10 9
S.TWITTER
GAIN CONTROL
IC3101,3102
4
POWER AMP
IC902(2/2)
3
1
44 43 42 38 1
+ +
MUTE
Q954
IC901
MUTE POWER
40 41 SWITCH
Q820 MUTE
Q1206
DBFB
FEED
SWITCH BACK
Q901 Q902
Q Q
3 7 6 3
S.TWITTER ON/LED8 2
21 REQ GM
LED1 9
22 CLK MG
5
23 DATA GM
•
24 DATA MG 18
LED5
•
38 RDY MG
17
LED9
•
45
43
LED13
LED SELECT 42
IC501
SIRCS IN 39
GRAPHIC CONTROL
10
RESET
SPEANA 1 29
28
SPEANA 2
D/A
SPEANA 3 27
SPEANA 4 26
JOG A 37
15
JOG B
KEY 3 31
12 X1
KEY 1 33
KEY SELECT
11 X2
IC503
KEY 4 30
KEY SEL 19
DOR SW 41
S579
VOLUME
VOL A 36
ROTARY
ENCODER
VOL B 20
100 GR1
LED
u 1 6 3 LEDS1 53
CONTROL
IC504,Q601
LEDS5 49
GR14 - 2 SEG32 - 1 Q603,605
Q626,635
87 - 99 54 - 78 80 - 86 •
.
FL501
VF
FLUORESCENT INDICATOR TUBE
2 4
9 9 8
PRE AMP POWER AMP
IC3003 IC3001
R-CH
RY3001
+
7
5 IN OUT 1 1 13
-
S.WOOFER
GAIN CONTROL 2
Q3103 PROTECTOR
IC3002
OVER LOAD
R-CH
DET
1
R-CH
Q3001,3002
S.TWITTER
7
CONTROL SW
Q3101
PROTECTOR
SWITCH
S.TWITTER
Q3109
SWITCH
Q3105-3107
IC1201
RY1201
10
6
RELAY
DRIVE
OVER LOAD Q1207,1208
DET 6
Q1201
2
PROTECTOR
OFF
IC1202
Rch
Rch 1
Q1204
7 4
PROTECTOR
SWITCH
Rch
Q1205
1 5 1 5 0 8 9 2 4
LED
SWITCH D3151-3154
IC504,
5CD
Q3151,3152
Q611,612
LED
D611-620,
SWITCH
D+5V
D628-633,
Q621-625,
D636-640
Q629-634
D1016,1017
D1021,1022
TC +5V
LED CONTROL
+7V REG
IC504
+7.5V
IC1003
REMOTE
CONTROL
RECEIVER +7V REG
CD +7V
IC1002
IC502
S502
+5V REG
AMS +5.6V
IC1001
ROTARY
ENCODER
D706
–7V REG
+5V –7.5V
IC1004
KEY
D1018
MATRIX
+10V REG
D +5V ST +10V
Q1003
S591
OPEN
D +5V
+5V REG –25V REG
DF DP
(CD)
Q1001,1002 Q1006
+B
–B
m
D601 - 604 c o
D621, 622
D634, 635
— 22 —
HCD-N455KW
2
9 9
J3101
WOOFER
SYSTEM
6
RELAY
+B
DRIVE
Q3108
4
TM1202
SURROUND
SPEAKER
TM1201
SPEAKER
+B
J601
PHONES
Rch
• Rch : Same as Lch
• Signal path
9 8 2 9 9
: FM
: CD
: PB
: REC
: VIDEO
: PHONO
: SUPER WOOFER
D1309,1310
RECT
T1601
POWER
D1003 - 1006
TRANSFORMER
AC
IN
RECT
D1001,1002
RECT
D1013, 1014
RECT
D1250
RECT
VF