Block Diagram - Audio Section - Sony HCD-DX2D Service Manual

HCD-DX2D
Q Q
7-3. BLOCK DIAGRAM — AUDIO SECTION —
3 7 6 3 1 5 1 5 0
JK201
L
TV IN
R-CH
R
TUNER PACK
L-CH
R-CH R-CH
D OUT
FM 75Ω
COAXIAL
D IN
CL
ANTENNA
CE
AM
SO
AEP,UK
RDS DA
RDS CLK
TAPE
T E
L 1 3 9 4 2 2 9 6 5 1 3
MECHANISM
DECK
L-CH
REC/PB
HEAD
R-CH
R-CH
R-CH
T301
ERASE
PACK
RECF
RECR
HDPLY
TCNT
Q653,654
MOT
MOTOR DRIVER
Q651,652
SOL
SOL DRIVER
w w w
HCD-DX2D
SOUND PROCESSOR
19
23
2
MPEG-2
B
21
SECTION
IC501(2/3)
(Page 23)
SYSTEM CONTROLLER
Q322
13
STRB 52
MUTE CONT
Q321
MUTE CONT
19 TUDO
18 TUDI
5
SDAT/ROMDA 53
20 TUCK
6
SCK/ROM CK 54
12
TUCE
STE
11
AMUT 59
21 RDDA
TSOL 5
46 TMOT 6
RDCK
TCNT 7
REPT 31
HDPN 30
RPHD 3
BIAS 4
Q327,332
REC/PB SWITCH
Q329-331
REC/PB SWITCH
Q344-Q347
Q348
OSC
+VM
x a o
y
. i
http://www.xiaoyu163.com
IC302
18
OUT-L 11
AUX-L
Q102
TUNER-L
13
MUTE
TAPE-L
CD-L
R-CH
+9V(TU)
COMT
REC-O-L 28
INH
A
Q319
MUTE
MUTE
SWITCH
IC503 PANEL/POWER
SDA
EPROM SECTION
SCL
(Page 25)
Q105
MUTE CONT
Q314,317
+VDD CURRENT
DETECT
Q Q
3 7 6
u 1 6 3
.
24 24
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2 4
8 9 9
IC103
POWER AMP
R-CH
CH1_ CH1_
4
IN OUT+
Q104,301
STBY
OVER LOAD
DETECT
Q199
INVERTER
R-CH
R-CH
Q308
Q303,304,354
PROTECT
DC PROTECT
SWITCH R-CH
3 1 5 1 5 0 8 9 2
• R-CH is omitted due to same as L-CH.
• Signal Path
: AUDIO
: PB(TAPE)
: REC(TAPE)
: TUNER
: DVD/CD(AUDIO)
: TV IN
m
c o
2
8 9 9
JK103
PHONES
L JK102
SPEAKER
IMPEDANCE
USE 6Ω
R
Q350-352
DC
FAN CONT FAN
Q353,355
FAN CURRENT
DETECT
4 9 8 2 9 9