Tuner/Tape Deck Section - Sony HCD-FLX7D Service Manual

7-2. BLOCK DIAGRAM – TUNER/TAPE DECK Section –
FM/AM TUNER PACK
FM 75
FM ANT L-CH
COAXIAL
R-CH
ANT GND
ANTENNA
ST-DOUT
AM ANT
ST-DIN
AM
ST-CLK
ANT GND
ST-CE
ST-MUTE
TUNED
STEREO
L-CH
HP901
(PB)
(DECK A)
R-CH R-CH
L-CH
3 1
R-CH
R-CH R-CH
2
HRPE901
(REC/PB/ERASE)
(DECK B)
BIAS
R-CH
TRAP
RV52 RV2
REC BIAS (R) REC BIAS (L)
(DECK B) (DECK B)
BIAS OSC
T301
REC BIAS
SWITCH
Q2, 3, 9
ERASE
BIAS OSC
Q4, 5
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: REC
R-CH
DI
DO
CLK
CE
MUTING
TUNED
STEREO
DECK A/B SELECT SWITCH,
PB EQ AMP
IC1 (1/2)
AIN1
32
BIN1
34
REC/PB SWITCHING
IC2
4
REC/PB
SWITCHING
Q20, 21
TC +10V
82 58 57 59 56 53 55 54
81 BIAS
MUTE
EQOUT1 TAI1
28 27
R-CH
15 13 12 14
REC EQ AMP, ALC
IC1 (2/2)
REC-
OUT1
REC-IN1
21 EQ 24
ALC1
23
R-CH ALC
REC-IN2
7
RV53
ALC2
8
REC LEVEL
(DECK B)
11
58
SYSTEM CONTROLLER
IC101 (1/4)
49 50 27 93 91 92 22 21 23
CAPSTAN
Q255 TRIGGER
MOTOR DRIVE
PLUNGER DRIVE
Q256.257
(DECK A)
Q253, 254
TAPE MECHANISM
DECK BLOCK
35 35
PB-OUT1
26
LOW-PASS
BUFFER
FILTER
Q6 - 8
IC3
MUTING
Q40
MUTING CONTROL
SWITCH
Q41
R-CH
61 67 66 85
25
TRIGGER
PLUNGER DRIVE
(DECK B)
Q251, 252
HCD-FLX5D/FLX7D
TUNER
L-CH
14
(Page 37)
TAPE
L-CH
15
(Page 37)
REC
L-CH
16 (Page 37)
97