Block Diagram - Main Section - Sony HCD-DC1 Service Manual

HCD-DC1
Ver 1.1
6-2. BLOCK DIAGRAM – MAIN Section –
TU1
TUNER PACK
L-CH 1
(EXCEPT US, CND, MX)
R-CH 2 R-CH
FM75Ω FM ANT
ANT GND
FM75Ω
AM ANT
AM
ANT GND
TUNED 4
ANENNA
DI 9
(US, CND, MX)
CK 8
CE 10
DO 7
DET AMP
FM DET 3
SJ302
L
AUDIO IN
MD (VIDEO)
R R-CH
L-CH
REC/PB SWITCHING
IC402
HRPE901
(REC)
(RECORD/PLAYBACK/ERASE) 1
(PB)
3
R-CH R-CH
2
REC BIAS SWITCH
BIAS
Q402, 403
OSC
T401
(ERASE)
BIAS OSC
Q401
CD L IN
DATA
CLK
LATCH
SENS
A
(Page 15)
SQSO
SQCK
XRST
HOLD
C SCOR
Q809 – 811, 813
TUNER ON/OFF
SWITCH
Q810
Q809
Q811
Q813
D806
RDATA 2
4 MIX
Q812
RCLK 16
X1 X0
13 14
RDS DECODER
X803
IC804
4.332MHz
REC/PB AMP, EQ AMP
IC401
R-CH
B IN L
PB L
23
20
A IN L
24
REC
IN L
R-CH ALC 14
MUTING
REC OUT L
Q407
16
R-CH
MUTING
Q414
(SW)
4
R-CH
T403
BIAS
TRAP
B+
(+8V)
INPUT SELECT SWITCH,
MIX, TONE CONTROL,
ELECTRICAL VOLUME
IC323
LINE
OUT2 VOL2 OUT2
C2
6 31 30 TREBLE MIDDLE BASS
A2
2
D2
8
LINE LOGIC
E2
10 AMP
DATA CLK
14 15
88 28
17 TUNED
5 C-DATA/TU-DATA
MUTING DRIVE
AU-MUTE 97
8 C-CLK/TU-CLK
AMP-MUTE 22
H/P CHECK 24
19 C-LATCH/TU-CE
TX 92
X802
32.768KHz
18 SENS2/TU-COUNT
TEX 93
XTAL1 40
25 TU-ON
X801
4.19MHz
EXTAL1 39
12 C-SQSO/
RDS-DATA
2 RDS-IN
MOT-CON 4
SOL-CON 10
SYSTEM CONTROLLER
IC801 (1/2)
TAPE-END 1
T-MODE 6
TC-SW 32
96 L-MUTE
R-CH
87 REC-MUTE
LOADING
R-CH
MOTOR DRIVE
95 REC/PB
TRAY-OPEN 13 6 INPUT2
TRAY-CLOSE 15 5 INPUT1
TRAY-SW 33
11 86 14 100
Q801
LED DRIVE
Q854
16 16
HEADPHONE AMP
IC324
MUTING
Q815, 817
IN+
MOS GAIN & MOS
17 3
LEVEL SHIFT OUTPUT
MUTING 4
ING STAGE STAGE
IN–
Q100
STANDBY/MUTE
R-CH
MUTE STBY
10 9
MUTING DRIVE
Q330
B+ (+8V)
Q312, 313
R-CH
(TAPE DECK BLOCK)
CAPSTAN/REEL
M M
MOTOR DRIVE
Q601, 602
TRIGGER
PLUNGER DRIVE
Q603, 604
TAPE END DETECT
SENSOR
• R-CH : R-ch is omitted due to same as L-ch.
• SIGNAL PATH
IC320
OUT2 10
M M M901
OUT1 2 (LOADING)
• Abbreviation
SI
CND: Canadian model
DISC TRAY
MX : Mexican model
OPEN/CLOSE DETECT
D853
TUNER
/BAND
R-CH J301
PHONES
SJ301
SPEAKER
IMPEADANCE
USE 6 – 16Ω
SHORT
OUT
+
CIRCUIT 14
PROTECTION
L
–
–
POWER AMP
R
IC201 +
R-CH
REG CON
B (Page 17)
: TUNER
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
: TAPE (PLAY)
: TAPE (RECORD)
: MD
REC/PB
D
(Page 17)
FM ON
C
(Page 17)