Block Diagram - Tuner/Tape Section - Sony HCD-ZX80D Service Manual

7-3. BLOCK DIAGRAM – TUNER/TAPE SECTION –
L-CH
HP1
(PB)
(DECK-A)
R-CH R-CH
L-CH
R-CH
MUTING
Q325
R-CH R-CH
R-CH
HRPE1
(REC/PB/ERASE)
MUTING
(DECK-B) Q321, 322
T301
BIAS OSC
ERASE
BIAS OSC
Q370
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY (DECK-A)
: TAPE PLAY (DECK-B)
: REC
HCD-ZX80D/ZX100D
ANTENNA
FM 75Ω
FM ANT
COAXIAL
AM AM ANT
DECK A/B SELECT SWITCH,
REC/PB EQ AMP
IC301
AIN1
32 EQ-OUT1
28
BIN1
34
MUTE ON/OFF 14
A/B 13
ALC ON/OFF 11
MUTING CONTROL
REC MUTE ON/OFF 15
SWITCH
Q382, 383
REC-OUT1 REC-IN1
21 EQ 24
MUTING CONTROL
SWITCH
Q377, 379, 381
REC BIAS
SWITCH A+9V
Q378, 380
TUNER (FM/AM)
ST-L
ST-R R-CH
ST-DOUT/MC-DIN
ST-DIN/MC-DOUT
ST-CLK
ST-CE
TUNED
TAI1 PB-OUT1
27 26
R-CH
MUTING CONTROL
MUTING
SWITCH
Q106
Q509, 510
TAPE MECHANISM
DECK BLOCK
A SHUT
B SHUT
AHALF
BHALF
REC (FWD)
REC (REV)
TRIGGER PLUNGER
ATRGM+
DRIVE (DECK-A)
Q340, 343
(DECK-A)
TRIGGER PLUNGER
BTRGM+
DRIVE (DECK-B)
Q342, 345
(DECK-B)
CAPSTAN/REEL
CAPM+
M
MOTOR DRIVE
Q341, 344
(CAPSTAN/REEL)
25 25
ST-L
(Page 26)
H
5 ST-DIN
2 ST-DOUT
3 ST-CLK
6 ST-CE
1 TUNED
TC-L
(Page 26)
J
71 TC-MUTE
55 PB A/B
56 ALC
54 REC MUTE
REC-L
K (Page 26)
53 TC-RELAY
MASTER CONTROLLER
IC401 (3/6)
52 REC BIAS
89 A-SHUT
90 B-SHUT
47 A-HALF
91 B-HALF
48 A-TRIG
49 B-TRIG
50 CAPM
HCD-ZX80D/ZX100D