Block Diagram - Main Section - Sony HCD-XGR99AV Service Manual

HCD-XGR99AV
Q Q
– MAIN SECTION –
3 7 6 3 1 5 1 5 0
J802
MIC1
J801
MIC AMP
+
MIC2
IC850 (1/2)
VREF
A+9V
Q884
CD-L
A
(Page 22)
PB-L
B
(Page 23)
ST-L
(Page 23) D
FUNCTION SELECT
VREF
SWITCH
+9V
Q611
IC181
VC
J701 (1/2)
PHONO
X0 X
EQ AMP
L 12 13
PHONO IC601
X1
IN
14
R R-CH
X2
15
X3
L 11
MD IN
A B
R-CH
R
10 9
Q182
Q181
D461
MUTE
T E
L 1 3 9 4 2 2 9 6 5 1 3
Q471
1
D462
AMP
IC422 (2/2)
20
2 3
MUTEOL
TSTB
MCK
22 PWML+ MSD
MLAB
24 PWML–
MEMP
RHYTHM TEMPO 10
PHRASE
XIS XOS
PLAYER
J500
28 27
IC461
X401
L
8.19MHz
AUDIO
R R-CH
GAME
INPUT
VIDEO
IN4 A
8 2
IN3
J721 B
6 3
IN2 C
DVD
VIDEO 4 5
INPUT IN1
1
MUTE
VD-OUT
VIDEO OUT 10 6db
(75Ω)
VIDEO INPUT
J711 SELECT
IC191
PRO-LOGIC
SOUND
L
CONTROL
FRONT
IC201
R
R-CH
40 42
A/D, D/A
27 +
LOGIC
+
VCA
DVD (L-R)
26
INPUT (L+R)
CONTROL
w w w
CENTER
MODE
3 SL
2
SL-IN 11 10
L 77
1
REAR
R
R-CH
C
2
5
C-IN
CENTER
76
1
SW-IN SR
WOOFER 79 15 16
MIC OUT
MIC AMP +
6 7
IC850 (2/2)
MIX AMP
IC422 (1/2)
RV801
MIC LEVEL
VC
2 8
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC111
INC1
5
INB1
4 INPUT
+
INA1
SELECT
3
IND1
SWITCH
6
SURROUND OR
DPL BUFFER
INEX1
7
+
R-CH
SUR1
42
XC-OUT
11
EQIC-DAT 80
X501
EQIC-CLK 81
32.768kHz
10 XC-IN
13
X-OUT
X502
TEMP DET 97
16MHz
AUDIO-OUT 1
15 X-IN
71 AU-SEL0
72 AU-SEL1
Q802,803
66 ML-MUTE LEVEL SHIFT
LINE-MUTE 82
STK-MUTE 83
4 60 ML-RESET
HP-MUTE 86
6 7 PARTY-CLK
7 6 PARTY-DATA
8 59
ML-WR
9 54
ML-BUSY2
42
PARTY-TEMPO
PROTECT 88
FRONT-RELAY 87
HP-IN
95
18 V-SELA
100 V-SELB
VIDEO-MUTE
76
72 1
REAR-RELAY 85
REQ 24 77 PL-LAT
22 78 PL-DAT
DATA
PL-CLK
SCK 23 79
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
74
LT-IN IC501 (3/4)
SL
VOL OUT SL
9
VOL x a o
MUTE
Q281
. i
C VOL OUT C
4 VOL 3
MUTE
VR SW IN Q271
SR
VOL 80
1 2
17
VOL OUT SW
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R-CH
+
C VL
MID/
F OUT2 IN1
A VOLUME
BASS & 14 15
CONTROL
B
TREBLE
C
CPU
A COMMAND
R-CH
INTERFACE
B
L+R
+
19
21 22
SPEANA
E
(Page 25)
POWER AMP
18 IC801 11
Q Q
3 7 6
12
TEMPERATURE
MUTE
DETECT SWITCH
Q114
Q842, 843
TH831
STANDBY SWITCH
R-CH
Q803, 804, 834
TEMPERATURE
DETECT SWITCH
Q831, 832
D401
OVER LOAD
DETECT
R-CH
Q801, 851
+
R-CH
POWER AMP
10 5
IC101(1/2)
OVER LOAD
R-CH DETECT
Q101, 151, 181
D410
LEVEL SHIFT
Q804, 807, 808
D811
u 1 6 3
y
POWER AMP
14 6
IC101(2/2)
24 24
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2 4
8 9 9
REC-L
MUTE
R-CH
Q701
Q805,806
SWOUT LEVEL SHIFT
24
FAN MOTOR
OUT1
B+
18
FAN MOTOR
DRIVE
Q961, 962
16 17
R-CH
–1
Q115
D803
+
Q166,167
–2
R-CH
R-CH
DBFB
R-CH
3 1 5 1 5 0 8 9
MUTE
Q805,855
DELAY
Q833
PROTECTOR
IC912
1 OCP
F (Page 25)
RY401
AC DET
PROTECT SWITCH
Q431
2 VP
CT 4 Q923
3 OUT
FRONT SPEAKER PROTECT
RELAY DRIVE
Q401, 402
TM402
RY402
RELAY DRIVE
R-CH
Q403, 407
RY403
MUTE
m
Q731
c o
.
2
8 9 9
C (Page 23)
L
MD OUT
R
J701 (2/2)
M901
(FAN)
M
TM401
+
L
–
FRONT
+
R
–
2 4 9 8 2 9 9
J891
PHONES
+
L
–
SURROUND
+
R
–
+
CENTER
–
J731
SUB WOOFER OUT
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
: TAPE PLAY
: RECORD
: MIC INPUT