Schematic Diagram - Main Board (4/4) - Sony HCD-RG88 Service Manual

7-16. SCHEMATIC DIAGRAM – MAIN Board (4/4) – •
(4/4)
E1
E2
R579
10k
R580
10k
E3
81
82
LINE-
MUTE
R585 R588
GEQ
10k 10k
DATA
R583
GEQ CLK
100
83
STK-MUTE
84
STBY-RELAY
R584
TP485 NO-USE
100
86
LINK-RELAY
87
FRONT-RELAY
88
PROTECTOR
89
R488 100
A-SHUT
90 R589 100
B-SHUT
91 R590 100
R592
4.7k B-HALF
R591 100
MODEL-IN
R492 4.7k
DEST-IN
(Page 94
R593
SW-AD-KEY
1k
36) C498 R594
TP437 NO-USE
0.1 1k
AVSS
97 R493 *
SW-RELAY
R597 100
E4 VREF
R494
10k AVCC
NO-
USE
C598
* R493
10
50V 0 (SP)
4.7k (E,MX,AR)
C596
0.1
C502
0.022
FB599
R502 R503
10k 10k
E5
E6
E7
See page 28 for Waveforms.
(Page 34)
R574 10k
R573 10k FB562
C562
100
10V
C564
0.01
A-TRIG
CD-MUTE
R549 100
TBL-SENS
R448 100
BU UP/DOWN-SW
R447 100
CLOSE-SW
R446 100
OPEN-SW
R545 100
LOAD-OUT
R544 100
LOAD-IN
R543 100
XRST
R541
NO-USE
C546 0.001
GC-RESET
R540 100
LD-ON
CLOCK-OUT TP439
CD-POWER
R537 470
SYSTEM CONTROLLER
CD-CLK
(CD MECHANISM CONTROL) R536 100
XLT
IC501
R535 470
M30620MCN-A09FP
CD-DATA
R434 470
SENS
R433 100
SQ-CLK
R432 100
SQ-DATA-IN
TXD1
TP431
IIC-
DATA
R509
10k
R513
0
R529
10k
R530
X502 TP530
10k
C510 16MHz
22p
C530
100p
C512 C416
0.1 0.1
R602 D602
C516
FB516 4.7k 1SS355
2200
R575
6.3V
10k
IC601
M62703ML
R603 C603
Q601 47k 0.1
O I
2SC1623
G
RESET
C601
SWITCH D603 R604 C602
10
1SS355 47k 0.1
50V
IC901(2/2)
NJM4565M(TE2)
R903
100k
C902
0.1
C901
BUFFER
0.1
R902
12k
IC903(1/2)
NJM4565M(TE2)
(1/2)
LINE AMP
R912 R914 R913 C905
4.7k 4.7k 4.7k 2.2
D902
UDZ-TE-17
-2.2B
D901
1SS355
50 Q905
2SK246
49 R548
10k AGC
R915
48
1M
47
46
R546
45
10k
C935
44
100
16V
43
10k
41
40
38
37
36
C434
35
47p
34
+5V REGULATOR
33
IC911
C433
32
µPC7805A
47p
O I
G
C432
47p
C912
2200
6.3V
R532
47k D509
1SS355
D508
1SS355
IC951
µPC3504 +4V REGULATOR
O I
G
D501
1SS355
C925
470 JW951
10V
IC961
AN7809 +9V REGULATOR
D921
11ES2N
O I
G
TP514
C962
470
10V
D601
1SS355
C932
470
D502
10V
1SS355
IC101
R601 D505
+10V REGULATOR
M5F7810L
220 1SS355 D503
1SS355
O I
G
D504
1SS355
RESET SIGNAL
C922
470
GENERATOR
16V
TP516
37 37
(Page 35)
IC901(1/2)
R904 C928
NJM4565M(TE2)
6.8k 0.1
R905
6.8k
C933
10
50V
C926
(2/2)
10
(1/2) 50V
C913
LOW-PASS FILTER
0.1
C907
2.2 R999
50V 2.2k
41
R998 4.7k
29
R908
0
30
4
Q999
2SC3661 73
C931
IC903(2/2)
0.01 MUTING
NJM4565M(TE2) 74
(2/2)
75
FILTER AMP
R997
R920 10k
47k
50V
IC902 M5282FP-T1
R901
1k
C923
100
R906
16V
2.2k
R907 C908
5.6k 22
C903 16V
100
6.3V
TP901
C930
LINE AMP,
10
50V ELECTRICAL VOLUME
Q911
RT1P137L-TP
B+ SWITCH
R919
2.7k
R917 R918
2.2k 2.2k
R916
Q912 6.8k
FA1A4M
B+ SWITCH
C911
0.1
RR1
C914
0.1
60 SW-WIDE-LED
D923 D918
11ES2N 11ES2N 71 SW-LINK-LED
94
D924 D919
11ES2N 11ES2N
72 SW-MTRX-SURR-LED
C915
0.1 RR2
C910
C951
RR3 59 SW-SOLID-LED
2200
0.1
16V
C916
0.1
D915 D914
11ES2N 11ES2N
D917 D916
84 STBY RELAY
11ES2N 11ES2N
C917
RR4
C909 0.1
C961
1000
0.1
25V RR3 RR1
C918 RR2
0.1
RR3
D907 D906
11ES2N 11ES2N
RR4
86
D909 D908
11ES2N 11ES2N
83
C919
RR4
C920 0.1
C921
3300
0.1
25V
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
( ) : CD PLAY
HCD-RG88
CN401
30P
GC-RESET
IIC-CLK
IIC-DATA
SIRCS
KEY INT DISPLAY
KEY INT POWER
POWER LED
D-GND
D-GND
D-GND
D-GND
GC+4V
D+4V
D+4V
EVER+4V
EVER+4V
EVER+4V (Page 45)
VF(1)
VF(1)
VF(2)
VF(2)
VG
VG
A+10V
A+10V
A+10V
A+10V
SPEANA
SPEANA
SPEANA
CN904
2P
AGND
SW-IN
(Page 41)
CN101
SYSTEM
CONTROL
D+4V
DGND
VOLUME
AD-KEY
AGND
-VG
D-GND
EVER+4V
VF(1)
VF(2)
AC4(1)
AC4(2)
AC3(1)
(Page 43)
AC3(2)
LINK RELAY
FAN ON
STK MUTE
CN902
13P
CN501
4P
IIC-CLK
IIC-DATA
D-GND (FOR CHECK)
D+3.3V
[ ] : TAPE PLAY (DECK A)
{ } : TAPE PLAY (DECK B)
〈〈 〉〉 : REC
∗ : Impossible to measure