Main Section - Sony HCD-GR3 Service Manual

HCD-GR3/RX30
— MAIN SECTION —
FUNCTION SWITCH
J801
IC802
VIDEO
V
IN 1
TC
L
2
ST 3
4
CD
5 B 9
10
A
6
INH
PB L
REC L
POWER ON/OFF
55
RELAY REC/PB TC RELAY
A / B 80
TC A
B
82
BIAS ON/OFF BIAS OFF
83 REC MUTE
RM ON/OFF
84 NR OFF
DOLBY ON/OFF
DECK
85
REC/PB PB
SECTION
86 PASS AMP/DOLBY
(Page 20) PASS/DOL
87 LINE MUTE ON
LM ON/OFF
A STOP / PLAY 11 180 A PLAY
B STOP / PLAY 12 180 B PLAY
13 180 B REC
B STOP / REC
ST L
73
COM DIN COM DATA
COM CLK 71 COM CLK
72
COM DATA COM DIN
A
93
STEREO STEREO
TUNED 94 TUNED
ST CE 95 ST CE
TUNER
SECTION MUTE 10 ST MUTE ON
(Page 18)
L CH
54
DISC SENS DISC SENS
TBL. L 23 TBL L
TBL. R 24 TBL R
25 SCOR
SCOR
26 TBL SENS
T. SENS
29 DF LAT
DF LAT
C
SENS 30 SENS
31 XRST
X RST
38
CD CLK CD CLK
CD
40 CD DATA
CD DATA
SECTION
43 FOCUS SW
FOCUS SW
(Page 22)
SQ CLK 44 SQ CLK
SQ DATA
45 SQ DATA
46
X LAT X LAT
OPEN OUT-SW-OPEN
20
ENC-1 17 ENCODER-0
ENC-2 18 ENCODER-1
ENC-3 19 ENCODER-2
LOAD IN 21 LOAD IN
LOAD OUT 22 LOAD OUT
09
69
65 64 45
+
71
29
MICON
EQ
28
INTERFACE
30
EQUALIZER / VOLUME
IC901
32 33 34 62
62
62427 LAT
67
POWER ON
DBFB HIGH 77
MUTE 70
GM REQ 34 13
MG CLK 35 14
GM DATA 36 15
MG DATA 37 16
32 46
MG RDY
RESET 4
RESET
SWITCH
Q701
AC CUT 8 17
MASTER CONTROL
IC701
RESET
IC702
D705
+5.6V
XOUT 2 34
X701 X501
10MHz 5MHz
XIN
3 35
XOUT 5
X702
32KHz
XIN 6
CD POWER 68
— 23 —
POWER AMP
IC1201
44 43 42 38 1
+
MUTE
Q954
MUTE
40 41 SWITCH
Q820
MUTE
Q1206
DBFB FEED
SWITCH BACK
Q901 Q902
LED
51
LED11
SWITCH
Q601-603
49
LED13 D605,615,625
REM GM
9
LED10
•
CLK MG
10
•
DATA GM
LED7 LED
36
SWITCH
DATA MG • •
D548-556,
37 Q501-504
RDY MG LED4
•
578,
507-510
40
580-583
LED1
43
LED
CONTROL
LED SELECT 19
Q520,530
REMOTE
GRAPHIC CONTROL CONTROL
47
SIRCS IN
RECEIVER
IC501
RESET
IC502
S550
VOLUME
44 ROTARY
VOL IN A
ENCODER
VOL IN B 12
KEY IN4
25
X1
KEY
MATRIX
28
KEY IN1
X2
SEG1 — SEG 22 GR1 — GR12
53 - 70 • 72 - 75 1 - 7 • 76-80
FL501
VF
FLUORESCENT INDICATOR TUBE
RY1201
10
6
OVER LOAD
DET 6
Q1201
2
PROTECTOR
IC1202
Rch
Rch
1
Q1204
7 4
PROTECTOR
SWITCH
Rch
Q1205
Q522
LED SWITCH
+5V
Q521
LED SWITCH
+7V REG
+7.5V
IC1003
+7V REG
CD +7V
IC1002
D1024 - 1027
+5V REG
+5.6V
IC1001
RECT
D706
–7V REG
+5V –7.5V
IC1004
D1001
D1017
+10V REG
ST +10V RECT
D +5V
Q1011
D1013, 1014
D +5V –25V REG
+5V REG
–25V RECT
(CD) Q1006
Q1001,1002
D1003
+B
RECT
–B
VF
— 24 —
GR3/RX30 : US, CND
J802
SUPER
WOOFER
TM1201
SPEAKER
+
–
RELAY
+B
DRIVE
J501
Q1202,1203
PHONES
Rch
HP / SP
SWITCHING
Q1207
• Rch : Same as Lch
• Signal path
: FM
: CD
: PB
: REC
• Abbreviation
CND : Canadian model.
AR : Argentine model.
T1001
POWER
TRANSFORMER
AC
IN
VOLTAGE
SELECTOR
S1601
GR3 : E, AR