Sony HCD-XGV50, Service Manual

Page: 25 / 80

25 25
HCD-XGV50
–TUNER/TAPE DECK SECTION –
PB-L
C
ST-L
E
To MAIN
SECTION
(Page 26)
REC-L
D
PB
HEAD
DECK-A
DECK-B
TC BLOCK
32
BIAS OSC
Q331
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
CAP M+
B-SOL
A-SOL
A-HALF
B-HALF
A-MODE
B-MODE
B-PHOTO
A-PHOTO
REC(FWD)
REC(REW)
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
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
34
28 27 26
23 21
65
67
68
61
58
53
50
46
90
89
57
56
91
70
69
51
B TRIG
DRIVE
52
CAP MOTOR
DRIVE
55
21
2
3
27
22
25
23
13 12 11 15 14
SWITCH
Q321,322,327
R-CH
PB-OUT1
TAI1
EQ
OUT 1
ALC1
HPF
Q341,342,344
AMS DETECT
Q343
R-CH
R-CH
R-CH
TC A+9V
REC/PB
HEAD
ERASE
HEAD
A/B NORM/HIGH ALC ON/OFF REC MUTE ON/OFF MUTE ON/OFF
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC301
Q334,335
Q323,325
Q383,384
Q381,382
Q385,386
SYSTEM CONTROL
(CD MECHANISM CONTROL)
IC501(2/4)
REC-OUT
BIN 1
AIN 1
+
T331
To MAIN
SECTION
(Page 26)
To MAIN
SECTION
(Page 26)
EQ