Main Section - Sony HCD-XGR6 Service Manual

HCD-XGR6/XGR60
– MAIN SECTION –
DISTORTION
DISTORTION
(Page 25) E
ON/OFF SWITCH
GUITAR AMP
Q880 – 883
IC853
J802
GUITAR AMP
GUITAR
IC852
GUITAR LEVEL
J801
MIC AMP
MIX MIC
IC850 (1/2)
CD-L
(Page 22) A
PB-L
B
(Page 23)
ST-L
D
(Page 23)
FUNCTION SELECT
SWITCH
IC181
J701 (1/2)
PHONO
X0
X
L EQ AMP 12 13
X1
PHONO
IC601
14
IN
X2
R R-CH 15
X3
11
L
A B
MD IN
10 9
R R-CH
Q181 Q182
J804 (2/2)
L
GAME
INPUT
AUDIO R
R-CH
J804 (1/2)
GAME
INPUT
VIDEO
J721
VIDEO OUT
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
: TAPE PLAY
: RECORD
: MIC INPUT
MIC OUT
MIC AMP
IC850 (2/2)
RV601
RV602
MIC LEVEL
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
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (3/4)
11 XC-OUT
EQIC-DAT 80
X501
EQIC-CLK 81
32.768kHz
10 XC-IN
13 X-OUT
DBFB-H/L 94
X502
SW-MODE 97
16MHz
AUDIO-OUT 1
15 X-IN
71 FUNC-SEL0
72 FUNC-SEL1
Q802,803
LEVEL SHIFT
MUTE
LINE-MUTE 82
Q114
R-CH
-VEE
STK-MUTE 83
HP-MUTE 86
AC-CUT 20
RESET
RESET 12
SWITCH
Q801
PROTECT 88
FRONT-RELAY 87
HP-IN 95
VL
C
MID/
F OUT2 IN1
A VOLUME
BASS & 14 15
CONTROL
B
TREBLE
C
A
COMMAND
R-CH
INTERFACE
B
L+R
+
19
21
SPEANA
F
(Page 25)
XGR6
POWER AMP
14 7
IC801
8
POWER AMP
18 11
IC801
12
MUTE
Q115 XGR60 TH831
STANDBY SWITCH
TEMPERATURE
Q803, 804, 834
DETECT SWITCH
TC
+10V Q831, 832
EVER +3.9V
D401
OVER LOAD
1
DETECT
RESET SIGNAL R-CH
Q801, 851
GENERATOR
IC801
3
DC DETECT
+
SWITCH
Q433, 434
R-CH
24 24
R-CH
Q805,806
SWOUT
+ LEVEL SHIFT
24 NC
OUT1
18
CPU
22 16 17
R-CH
Q112
D803
+
Q165,166
R-CH
Q113 Q111
R-CH R-CH
R-CH
Q169,170 Q167,168
R-CH
DELAY
Q833
PROTECT SWITCH
Q431
RY401
OVER LOAD OVER LOAD
DETECT SWITCH
DETECT SWITCH
Q432 Q437
PROTECT SWITCH
Q439
FRONT SPEAKER PROTECT
RELAY DRIVE
Q401, 402
REC-L
C (Page 23)
L
MD OUT
MUTE
R-CH R
Q701
J701 (2/2)
M901
(FAN)
FAN MOTOR
M
DRIVE
Q961, 962
TM401
FRONT SPEAKER
IMPEDANCE
USE 4 – 16Ω
–1
+
L
–
–2
+
R
–
MUTE
Q805,855 J803
PHONES