Tuner Section - Sony HCD-D290 Service Manual

QQ
3 7 6 3 1 5 1 5 0
– MAIN SECTION –
J761
MIC
IC760 (1 / 2)
RV706 IC760 (2 / 2)
MIC AMP
MIC AMP
IC101 MIC LEVEL
J101 (1 / 2)
PHONO
PHONO
AMP
IC102 INPUT SELECTOR
15
69
E 14
CD SECTION 13 71
(page 42)
A
28

TUNER SECTION

A 11 B
29
(page 40,41)
C
J101 (2 / 2)
12 3 R-CH 30
VIDEO (AUDIO)
A
4
10
B
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
5 7
AMP
PB LEVEL
IC602
PB / REC SW
HRPE101
1
REC/PB HEAD T E
L 1 3 9 4 2 2 9 6 5 1 3
(B DECK)
2
R-CH
R-CH
3
ERASE
RV341
X
(HEAD)
REC BIAS
Q621,622
BIAS OSC
T621
Q623
SWITCH
Q1531,Q1532
CAPSTAN MOTOR
SWITCH
RV652
B+
M1
HIGH SPEED
CAPSTAN M (+12V)
Q651
MOTOR
Q1533
CAPSTAN MOTOR
SWITCH
RV651
CONTROL
NORMAL SPEED
Q1534,Q1535
IC1502
SWITCH
2 4
M2
TRIGGER
M
TRIGGER 5
MOTOR
MOTOR 10
1 6
DRIVE
S1001
www
A PLAY
S1002
B PLAY
S1004
(A HALF)
S1007
.
(B HALF)
S1006
+5V
(REC A)
-7V
S1009
(REC B)
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IC231
SPEANA MIX
2
+
– 1
3
65 64 +
45 44 43
–
EQ
MICON
INTERFACE
IC201
EQUALIZER/VOLUME
32 33 34 62 62
Q202
DBFB SWITCH
REC REC
70
DOL
2 DOLBY
B
PB
120 PAS
4
9
RV105
REC LEVEL
IC1501
4 10
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
86
LED DRIVE
Q604-Q608
82
D611-D625
Q609-Q611
D631,D632
Q614
D635-D638
Q617-Q619
D641
Q621
85
D645-D647
83
79-80 • 1-6 • 14-19
84
LED
SELECT SWITCH
25 LED SELECT
Q601-Q603
DISPLAY CONTROL
23 CLOCK
94
24 DATA
95
GR1-GR15 SEG1-SEG20
x a o
y
42- 56 57- 77
97
28
i
BACK LIGHT
FL601
VF
FRUORESCENT INDICATOR TUBE
+7V
D671-D674
– 43 –
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8
IC801
*1
POWER AMP
42 38 +
–
Q204
R-CH +
MUTE
–
MUTE
Q231
40 41
SWITCH
Q283
Q232
MUTE
Q203
SWITCH
FEED BACK
< >
REC L-CH
6
PB
< >
8 PB L-CH
CD
(page 42)
SECTION
C
Q Q
35 PB R-CH
3 7 6 3
37 REC R-CH
18 34 36 47 48 57 58 73 74
77 76 62 61 60 86 85
CD
SECTION
D
(page 42)
VOLUME
S691
S601-S626,S628-S631 JOG DOOR SW
ROTARY
S641-S647,S651-S659 S711
ENCODER
S661-S668,S676-S679
S701
27 - 30 22 • 35 21 20 34
KEY1-KEY4 JOG A•B
IC601
u 1 6 3
8 9 32 36 37 33 10
IC602
SIRCS
.
X601
MID FREQ
VF
8MHz
LOW FREQ
HIGH FREQ
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
TA AC OFF
(page 40, 41)
1 5 1 5 0 8 9 2 4
2 87 88 89 90 91 92 93 96 3 44 45 65 66 67
IC301
MAIN CONTROL
97 28 26 27 46
84 83 82 94 95
Q1001 Q1002 Q901 Q901
REEL REEL Q902 Q902
DET SWITCH DET SWITCH
+35V
D901
-35V RECT
+7V IC901
T901
-7V REG
POWER TRANSFORMER
D902
IC902 |
CD MOTOR +7V
REG D905
RECT
IC903
+5V
REG
m
D906
S901
Q903 IC904
ST +10V D907
VOLTAGE
REG REG
RECT SELECTOR
TC MOTOR
+12V c o
E,AR,PX
Q904
VP
REG
VF
TA AC OFF
– 44 –
HCD-D290/G3300/XB3
2
9 9
R-CH
J760
PHONES
+ L-CH
TM131
-
SPEAKER
-
+ R-CH
R-CH
D590
+
L-CH
TM132
-
SORROUND
-
+ 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
*1
EXCEPT US,CND US,CND
1 +
3 +
10
12
–
2 –
4
17
+ 19
AC -IN +
13 15
– –
18
20
6
8
• R CH:Same as L CH
• SIGNAL PATH
:FM
:PB (DECK A)
:PB (DECK B)
:REC (DECK B)
:CD
• Abbreviation
AR :Argentine model