Block Diagram - Tuner/Tape Deck Section - Sony HCD-RG66T Service Manual

HCD-RG66T
7-2. BLOCK DIAGRAM – TUNER/TAPE DECK Section –
TUNER UNIT
ANTENNA
FM ANT L-CH
FM 75Ω
ANT GND R-CH
AM ANT
AM
ST-DOUT
ANT GND
ST-DIN
ST-CLK
ST-CE
ST-MUTE
TUNED
STEREO
L-CH
HP901
(PB)
R-CH R-CH
L-CH
3 1
R-CH
R-CH
R-CH R-CH
2
HRPE901
(REC/PB/ERASE)
BIAS
R-CH
TRAP
RV354 RV304
REC BIAS (R) REC BIAS (L)
(DECK B) (DECK B)
BIAS OSC
T301
REC BIAS
SWITCH
Q301, 307, 310
BIAS OSC
Q302, 303
CAPSTAN
M901 M M
MOTOR DRIVE
(CAPSTAN)
Q396, 397
Q395
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
RV1002 RV1001
TAPE SPEED TAPE SPEED
(NORMAL) (HIGH)
R-CH
DI
DO
CLK
CE
MUTING
TUNED
STEREO
DECK A/B SELECT SWITCH,
PB EQ AMP
IC301 (1/2)
AIN1
32
BIN1
34
REC/PB SWITCHING
IC302
4
REC EQ AMP, ALC
REC/PB
IC301 (2/2)
SWITCHING
Q304, 305
REC-
OUT1
21
11
TC +10V
69 25 23 27 22 21 3 2 68
65 BIAS
55 CAPM-CNT1
54 CAPM-H/L
56 57
S1003
(DECK A HALF)
D +3.3V
S1001 S1002 D +3.3V
(DECK A PLAY) (DECK B PLAY)
MUTE
EQOUT1 TAI1
28 27
R-CH
15 13 12 14
REC-IN1
EQ 24
RV301
ALC1
R-CH ALC
23
REC LEVEL (L)
(DECK B)
R-CH
61 67 66
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (2/4)
70 91 89
D +3.3V
ROTATION
S1006
DETECT SENSOR
(DECK B HALF)
(DECK A)
S1005 IC1001
(DECK A REC)
S1009
(DECK B REC)
24 24
PB-OUT1
26
LOW-PASS
BUFFER
FILTER
Q390, 398, 399
IC303
MUTING
Q306
MUTING CONTROL
SWITCH
Q389
58 53
90 51 52
TRIGGER TRIGGER
ROTATION
PLUNGER DRIVE PLUNGER DRIVE
DETECT SENSOR (DECK A) (DECK B)
(DECK B) Q393, 394 Q391, 392
IC1002
PM901
TRIGGER PLUNGER
TRIGGER PLUNGER
(DECK A)
TUNER
L-CH
B
(Page 25)
TAPE
L-CH
C
(Page 25)
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: REC
REC
L-CH
D (Page 25)
PM902
(DECK B)