Sony HCD-XGR80, Service Manual

Page: 23 / 76

23 23
HCD-XGR80
–TUNER/TAPE DECK SECTION –
PB-L
B
(Page 24)
ST-L
RV391
D
(Page 24)
REC-L
C
(Page 24)
PB
HEAD
DECK-A
DECK-B
TC BLOCK
32
BIAS OSC
Q331,332
RIPPLE
FILTER
Q333
A TRIG
DRIVE
• SIGNAL PATH
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD
: TUNER (FM/AM)
R-CH
FM/AM TUNER UNIT
CN371
ANTENNA
ST-LOUT
FM ANT
FM ANT
AM ANT
AM ANT
ST-ROUT
ST-MUTE
STEREO
TUNED
OUT(ST-DIN)
IN(ST-DOUT)
ST-CLK
ST-CE
FM
75
Ω
MOTOR-H
MOTOR-L
CAP M+
B-SOL
A-SOL
A-HALF
B-HALF
A-MODE
B-MODE
B-PHOTO
A-PHOTO
REC(FWD)
REC(REW)
CAPM-H/L
CAPM-CTRL
B-TRIG
A-TRIG
TC-RELAY
A-HALF
B-HALF
A-PLAY SW
B-PLAY SW
B-SHUT
A-SHUT
REC-A
REC-B
BIAS
PB-A/B
EQ-H/N
ALC
REC-MUTE
TC-MUTE
AMS-IN
AM
• R-ch is omitted due to same as L-ch.
70
A
B
120
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
RV392
BIAS
TRAP
REC
BIAS(L)
34
1
2
3
4
28 27 26
23 21
65
67
66
68
61
58
53
50
46
90
89
57
56
91
70
69
51
B TRIG
DRIVE
52
CAP MOTOR
DRIVE
55
CAP MOTOR
SPEED CONT
54
21
2
3
27
22
25
23
13 12 11 15 14
SWITCH
Q321,322
HPF
R-CH
PB-OUT1
ALC1
MUTE
Q344,345
AMS DETECT
Q341-343
R-CH
R-CH
R-CH
R-CH
RV321
REC(L)
LEVEL
RV351
C322,L321
TC A+10
REC/PB SWITCH
IC321
REC/PB
HEAD
ERASE
HEAD
A/B NORM/HIGH ALC ON/OFF REC MUTE ON/OFF MUTE ON/OFF
IC341
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
Q334,335
T331
Q383,384
Q381,382
Q385,386
TAPE SPEED
LOW
RV931
TAPE SPEED
HIGH
RV932
Q387,388
SYSTEM CONTROL
(CD MECHANISM CONTROL)
IC501(2/4)
REC-OUT
+