Sony HCD-MD555, Service Manual

Page: 55 / 124

HCD-MD555
— AUDIO SECTION —
— 57 — — 58 —
TUNER UNIT
MD REC L
C
(PAGE 54)
MD PLAY L
D
CD PLAY L
B
L
R
L
R
L
R
DVD/
VIDEO IN
TAPE IN
TAPE OUT
J100
J101
R-CH
R-CH
R-CH
FM 75
Ω
AM
FM
AM
L OUT
COMP
R OUT
D OUT
D IN
CLK
CE
ST MUTE
STEREO
TUNED
ANTENNA
64
69
68
67
66
65
INF2
INA2
INB2
INC2
IND2
INE2
INPUT
SELECT
LPF O
61 62
LPF 1
SOUND
CONTROL
GRAPHIC
0dB/5dB
AMP
EQUALIZER
57
RECB2
58
RECA2
F OUT2
42 41
VOL IN2
VOLUME
CONTROL
BASS BOOST
CONTROL
CPU
INTERFACE
32 34 39 38 33
D
ATA
CLOCK LA
TCH
BB A2 BB B2
BUF OUT2
AUDIO
CONTROL
IC100
36
FEED BACK
SWITCH
Q100
MUTE
Q101
MUTE
CONT MUTE
CONT
POWER
AMP
IC801
Q101
Q510,511
Q505
D151
OVER LOAD
DETECT
Q801
OVER LOAD
DETECT
SWITCH
Q833
DC IN
DETECT
Q831,832
RELAY
DRIVE
Q830,834,835
RY800
J20
PHONES
TB800
R CH
SPEAKER
R CH
31
TUNED
30
STEREO
29
ST MUTE
32
ST CE
35
ST CLK
33
ST DOUT
34
ST DIN
RDS
AEP, UK MODEL
IC630,631
X630
4.332MHz
R-CH
SPEANA
IC502
17 16 15 14
4 3
SYSTEM CONTROL
IC500 (1/2)
18
RDS DA
TA
17
RDS CLK
56
SPEANA 1
OPT SEL
H
(PAGE 54)
Q509
60
REC LEVEL
78
SPEANA SW
LEVEL L
J
IC503
16
57
SPEANA 2
58
SPEANA 3
59
SPEANA 4
69
AMP DA
TA
70
AMP CLK
77
AMP CE
98
LINE MUTE
94
STK MUTE
93
SP RELA
Y
6
OPT SELECT
: TUNER
: CD PLAY
• Signal Path
• RCH is omitted
: MD PLAY
: MD REC(ANALOG)
(PAGE 54)
(PAGE 56)
(PAGE 54)
MD CD POWER
M
(PAGE 59)
R
L