Main Section - Sony HCD-XB4 Service Manual

– MAIN SECTION –

- MAIN SECTION -

J761
MIC
IC760 (1 / 2) IC760 (2 / 2)
RV706
MIC AMP MIC AMP
IC101 MIC LEVEL
J101 (1 / 2)
PHONO
PHONO
AMP
IC102 INPUT SELECTOR
15
69
CD SECTION
E 14 13 71
(page 40)
A
28
ST SECTION
A
11 B MICON
(page 39)
29
INTERFACE
C
J101 (2 / 2) 3 R-CH
12 30
VIDEO (AUDIO)
A
4
10
B 32 33 34
5
R-CH 9
C
2
6
RV311
IC611
REC LEVEL
PBEQ
3 1
AMP
HP101
PLAYBACK HEAD
(A DECK)
R-CH IC601
PBEQ
RV301
3 1
AMP
PB LEVEL
IC602
PB / REC SW
HRPE101
1
REC LEVEL
REC/PB HEAD
(B DECK)
2 4
R-CH
R-CH
3
ERASE
RV341
X
(HEAD)
REC BIAS
621,622
BIAS OSC
T621
Q623
SWITCH
Q1531,Q1532
CAPSTAN MOTOR
86
SWITCH
RV652
M1 B+
HIGH SPEED
M (+12V)
CAPSTAN
Q651
MOTOR
82
Q1533
CAPSTAN MOTOR
SWITCH
RV651 CONTROL
NORMAL SPEED
Q1534,Q1535 85
IC1502
SWITCH
2 4
M2
TRIGGER 83
M
TRIGGER 5
MOTOR
84
MOTOR 10
DRIVE 1 6
S1001
A PLAY
94
95
S1002
B PLAY
97
S1004
(A HALF)
S1007
28
(B HALF)
S1006
+5V
(REC A)
-7V
S1009
(REC B)
IC231
SPEANA MIX
2
+
– 1
3
65 64 +
45 44 43
–
EQ
IC901
EQUALIZER/VOLUME
62 62 39 40
Q201 Q202
SWITCH
DBFB SWITCH
REC REC
6
70
DOL
DOLBY
2 PB
B 8
PB
120
PAS
4
9
RV105
27
IC1501
10
3
HEAD AMP
DECK PROCES
C331,L331
BIAS
REC
11
TRAP EQ
NORM
25
BIAS
SW
24
CROM
+7V 22
12 13 14 15 16 17 18 19 20
S1005
A CrO2
S1008
B CrO2
LED DRIVE
Q604-Q608
D611-D625 S601-S626,S628-S631
Q609-Q611
S641-S647,S651-S659
D631,D632
Q614
D635-D638 S667-S668
Q617-Q619
D641
Q621
D645-D647
79-80 • 1-6 • 14-19
LED KEY1-KEY4
SELECT SWITCH
25 LED SELECT
Q601-Q603
IC601
DISPLAY CONTROL
23
CLOCK
24 DATA
GR1-GR15 SEG1-SEG20
42- 56 57- 77
BACK LIGHT
FL601
VF
FRUORESCENT INDICATOR TUBE
+7V
D671-D674
– 41 –
IC801
POWER AMP
42 38 1 +
10
–
2
Q204
R-CH 17 +
MUTE
13
–
18
Q231 MUTE
Q232 6
41
SWITCH
Q283
MUTE
Q203
FEED BACK
< >
REC L-CH
< >
PB L-CH
CD
SECTION
C
PB R-CH
(page 40)
REC R-CH
18 34 36 47 48 57 58 59 73 74 2
IC301
MAIN CONTROL
77 76 62 61 60 86 85 84 83 82
CD
SECTION
D
(page 40)
VOLUME
S691
JOG DOOR SW
ROTARY
S711
ENCODER
S701
CD MOTOR +7V
27 - 30 22 - 23 21 20 34
JOG A•B
ST +10V
TC MOTOR
+12V
8 9 32 36 37 33 10
IC602
SIRCS
X601
MID FREQ
VF 8MHz
LOW FREQ
HIGH FREQ
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
TA AC OFF
(page 39) B
TUNER
SECTION
87 88 89 90 91 92 93 96 3 44 45 99 65 66 67 68 69 70 72
97 28 26 27 46 10 11
94 95
X301
5MHz
Q1001 Q1002 Q901 Q901
REEL REEL Q902 Q902
DET SWITCH DET SWITCH
SWITCH
+35V
Q901
-35V RECT
+7V IC901
T901
-7V
REG
POWER TRANSFORMER
AC -IN
D902
IC902 |
REG D904
RECT
IC903
+5V
REG
D906
S901
Q903 IC904
D907
VOLTAGE
REG REG
RECT SELECTOR
E2,AR,PX
D904
VP
REG
VF
TA AC OFF
– 42 –
HCD-D590/XB4
R-CH
J760
PHONES
+ L-CH
TM131
-
SPEAKER
-
+ R-CH
R-CH
D590
+ L-CH
TM132
-
SORROUND
-
+ R-CH
R-CH
55 56 100 6 1
13 14 98 15 20
X302
Q301
32.768KHz
SWITCH
IC302
Q907
Q905 RESET
Q906
SWITCH
+5V
• R CH:Same as L CH
• SIGNAL PATH
:FM
:PB (DECK A)
:PB (DECK B)
:REC (DECK B)
:CD
• Abbreviation
AR :Argentine model