Block Diagram - Tuner/Tape Deck Section - Sony HCD-XGR90AV Service Manual

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Q Q
–TUNER/TAPE DECK SECTION –
3 7 6 3 1 5 1 5 0
DECK-A
PB
HEAD
R-CH
DECK-B
REC/PB
HEAD
R-CH
C322,L321
BIAS
TRAP
RV321
REC
BIAS(L)
R-CH
T331
BIAS OSC
Q331,332
ERASE
HEAD
RIPPLE
FILTER
T E
L
1 3 9 4 2 2 9 6 5 1 3
TC BLOCK
REC(REW)
REC(FWD)
B-PHOTO
A-PHOTO
B-MODE
A-MODE
B-HALF
A-HALF
A-SOL
B-SOL
CAP M+
MOTOR-L
MOTOR-H
CN371
FM/AM TUNER UNIT
ST-LOUT
FM ANT
ST-ROUT
FM
75Ω
FM ANT
ST-MUTE
STEREO
TUNED
w w w
AM ANT
OUT(ST-DIN)
AM
IN(ST-DOUT)
AM ANT
ST-CLK
ST-CE
.
ANTENNA
32
A
B
34
REC/PB SWITCH
IC321
1
2
SWITCH
4
Q321,322
3
R-CH
REC-OUT
21
TC A+10
Q334,335
Q333
Q383,384
A TRIG
DRIVE
Q381,382
B TRIG
DRIVE
Q385,386
CAP MOTOR
DRIVE
Q387,388
CAP MOTOR
SPEED CONT
RV931
TAPE SPEED
ST-L
LOW
D
(Page 24)
RV391
RV932
R-CH
TAPE SPEED
RV392
HIGH
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
x
a o
y
ST-CLK
ST-CE
i
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8
IC341
AMS DETECT
+
HPF
R-CH
Q341-343
MUTE
Q344,345
70
PB-OUT1
28
27
26
120
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
ALC1
23
13
12
11
15
14
Q
Q
3
7
6
3
u 1 6 3
.
23
23
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2
4
9
9
8
PB-L
B
(Page 24)
RV351
REC(L)
LEVEL
REC-L
C
(Page 24)
SYSTEM CONTROL
(CD MECHANISM CONTROL)
IC501(2/4)
53
AMS-IN
58
TC-MUTE
61
REC-MUTE
68
ALC
1
5
1
5
0
8
9
2
4
66
EQ-H/N
67
PB-A/B
BIAS
65
REC-B
50
REC-A
46
90
B-SHUT
89
A-SHUT
57
B-PLAY SW
56
A-PLAY SW
91
B-HALF
70
A-HALF
69
TC-RELAY
51
A-TRIG
52
B-TRIG
CAPM-CTRL
55
54
CAPM-H/L
21
ST-MUTE
2
STEREO
3
TUNED
m
25
ST-DIN
c o
23
ST-DOUT
27
ST-CLK
22
ST-CE
HCD-XGR90AV
2
9
9
9
8
2
9
9
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD

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