Block Diagram – Main Section - Sony HCD-xb5 Service Manual

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3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – MAIN Section –
RV706
IC760 (1 / 2)
MIC AMP MIC LEVEL
J761
MIC
IC101
J101 (1 / 2)
PHONO
PHONO
AMP
IC102 INPUT SELECTOR
15
CD SECTION E 14 13
(page 42)
A
TUNER SECTION 11
(page 38, 40 )
3 R-CH
J101 (2 / 2) 12
VIDEO (AUDIO)
A
4
10
B
R-CH 5
9
C
2
6
IC611
PBEQ
3 1
AMP
HP101
PLAYBACK HEAD
(A DECK) IC601
R-CH
PBEQ
5 7
AMP
IC602
PB / REC SW
HRPE101
T E
L 1 3 9 4 2 2 9 6 5 1 3 1
REC/PB HEAD
(B DECK)
2
R-CH
R-CH
3
ERASE
RV341
X
(HEAD)
REC BIAS
T621
Q1531,Q1532
CAPSTAN MOTOR
SWITCH
RV652
M1 B+
HIGH SPEED
M
CAPSTAN (+12V)
Q651
MOTOR
Q1533
CAPSTAN MOTOR
SWITCH
RV651 CONTROL
NORMAL SPEED
Q1534,Q1535
IC1502
SWITCH
2 4
M2
TRIGGER
M
5
TRIGGER
MOTOR
MOTOR 10
1 6
DRIVE
www
S1001
A PLAY
S1002
B PLAY
S1004
(A HALF)
.
S1007
(B HALF)
S1006
+5V
(REC A)
S1009
(REC B)
05
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IC760 (2 / 2)
MIC AMP
IC231
SPEANA MIX
2
+
– 1
3
69
65 64 +
71 45 44
–
A
28
B MICON EQ
29
INTERFACE
C
IC201
30
EQUALIZER/VOLUME
62 39
32 33 34 62
RV311
REC
PB LEVEL
70
DOLBY
2
B
PB
120
4
RV301
PB LEVEL
9
RV105
REC LEVEL
IC1501
4 10
HEAD AMP
DECK PROCES
C331,L331
BIAS REC
11
TRAP
EQ
Q621,622
BIAS OSC
NORM
25 BIAS
Q623
SWITCH SW
24
CROM
+7V 22
12 13 14 15 16 17 18 19 20
S1005
A CrO2
S1008
B CrO2
86
LED SWITCH
Q604-Q608
82 D611-D614
Q609-Q611
D616-D625
Q614,Q615
D631,D632
Q617-Q619
D635-D638
Q621,Q622
85
D641
D645-D647
83
3-10 • 15 • 16 • 18-20 • 22 • 23 • 47
84
LED
LED SWITCH
29 LED SELECT
Q601-Q603
27 CLOCK
94
DATA
28
95
x a o
GR1-GR16 SEG1-SEG34
y
51-66 67-100
97
i
28
BACK LIGHT
FL601
VF
FRUORESCENT INDICATOR TUBE
+7V
-7V
D671-D674
– 43 –
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8
*1 IC801
POWER AMP
43 42 38 3 +
12
–
4
Q204
R-CH 19 +
MUTE
15
–
20
MUTE
8
Q231
40 41
SWITCH
Q283
Q232
MUTE
Q202 Q203
SWITCH
DBFB SWITCH FEED BACK
REC
< >
6 REC L-CH
DOL
PB
< >
8 PB L-CH
PAS
CD
Q Q
(page 42)
SECTION
3 7 6 3
C
PB R-CH
35
REC R-CH
37
18 34 36 47 48 57 58 73 74
77 76 62 61 60 86
CD
SECTION
D
(page 42)
VOLUME
S691
S601-S607,S609-S615 JOG DOOR SW
ROTARY
S619-S625,S627-S634 S711
ENCODER
S641-S647,S651-S659
S701
S661-S668,S676-S679
33-37 26 • 41 38 24 40
KEY1-KEY5 JOG A•B
IC601
DISPLAY CONTROL
u 1 6 3
12 13 46 42 43 44 45 39 14
IC602
.
SIRCS
X601
VF 8MHz
HIGH
FREQ
LOW
2 4
9 9 8
RY141
Q801
R-CH
OVER LOAD
DET
R-CH
Q851
OVER LOAD
DET
Q282
Q141,Q142
OVER LOAD
RELAY DRIVE
DET
2 1 4
Q281
IC281
7
SWITCH
PROTECTOR
6
(page 38, 40)
1 5 1 5 0 8 9 2 4
99 2 87 88 89 90 91 92 93 96 3 44 45 65 66 67
IC301
MAIN CONTROL
97 28 26 27 46
85 84 83 82 94 95
Q1001 Q1002 Q901 Q901
REEL Q902 REEL Q902
DET SWITCH DET SWITCH
+35V
D901
-35V RECT
+7V IC901
T901
-7V
REG POWER TRANSFORMER
D902
IC902 |
m
CD MOTOR +7V
REG D905
RECT
IC903
+5V
REG
c o
D906
Q903 IC904
ST +10V D907
REG REG
RECT
TC MOTOR
+12V
Q904
VP
REG
VF
– 44 –
2
9 9
R-CH
J760
PHONES
+ L-CH
TM131
-
SPEAKER
-
+ R-CH
R-CH
+ L-CH
TM132
-
SORROUND
SPEAKER
-
+ R-CH
R-CH
B
TUNER
SECTION
9 8 2 9 9
68 69 70 72 55 56 100 6 1
10 11 13 14 98 15 20
X301 X302
Q301
5MHz 32.768KHz
SWITCH
IC302
Q907 RESET
Q905
SWITCH
Q906
SWITCH
+5V
AC -IN
• R CH: Same as L CH
• SIGNAL PATH
:FM
:PB (DECK A)
:PB (DECK B)
:REC (DECK B)
:CD