Sony HCD-RG66 / MHC-RG66 Service Manual ▷ View online
25
25
HCD-RG66
5-6. Printed Wiring Board – MAIN Section –
• See page 19 for Circuit Boards Location.
IC102
IC101
IC103
IC683
IC682
IC684
IC201
IC601
IC304
IC681
IC301
CN305
GND1
CN202
CN302
CN308
MAIN BOARD
TO
PANEL
BOARD
CN801
G
TO
PANEL
BOARD
CN803
H
TO
BD BOARD
CN734
B
TO
POWER AMP BOARD
CN503
F
TO
POWER AMP BOARD
CN502
E
TO
SURROUND
BOARD
CN310
D
FAN
SPEAKER
ANTENNA
DECK B
DECK A
TAPE
DECK
(2/2)
TAPE DECK
(1/2)
FM
AM
75
AUS,SP
AEP,UK
MD(VIDEO)
OPTICAL
CD DIGITAL OUT
R
L
L
R
+
-
+
-
AEP,UK
AEP,UK
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
(Page 30)
(Page 30)
(Page 22)
IN
(Page 34)
(Page 32)
(Page 32)
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
1
AEP,UK
AEP,UK
AUS,SP
AUS,SP
AEP,UK
AEP,UK
AEP
,UK
CN306
CN307
JK302
CN304
CN303
JK301
RB101
JK101
T101
IFT101
L201
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1-684-492-
21
(21)
Ref. No.
Location
D101
C-9
D107
D-7
D108
B-7
D203
C-5
D204
C-5
D205
E-4
D301
B-4
D361
E-7
D371
E-9
D372
E-8
D373
F-8
D374
E-9
D383
E-8
D601
D-4
D602
D-3
D681
F-7
D682
F-7
D683
F-7
D684
F-7
D685
F-5
D686
E-6
D687
F-8
D688
F-8
D689
F-8
D690
F-8
D691
E-5
D692
E-5
D693
D-3
IC101
C-8
IC102
A-8
IC103
D-7
IC201
E-4
IC301
C-5
IC304
B-4
IC601
C-3
IC681
B-6
IC682
F-5
IC683
F-6
IC684
F-5
Q101
C-7
Q102
A-8
Q103
C-7
Q104
C-7
Q105
C-7
Q210
C-6
Q211
C-6
Q212
B-5
Q218
E-3
Q219
E-3
Q220
E-3
Q221
E-3
Q222
F-4
Q223
F-3
Q224
F-3
Q225
F-4
Q228
F-4
Q301
G-5
Q302
G-5
Q361
D-5
Q362
D-5
Q363
E-8
Q364
E-8
Q365
E-7
Q371
E-9
Q381
E-8
Q382
E-8
Q383
E-8
Q384
E-9
Q385
E-8
Q386
E-8
Q387
D-7
Q388
E-3
Q601
D-4
Q602
D-4
Q603
D-3
Q604
D-3
Q605
D-4
Q606
D-3
Q681
C-6
Q682
C-6
• Semiconductor
Location
26
26
HCD-RG66
5-7. Schematic Diagram – MAIN Section (1/4) –
• See page 36, 37 for IC Block Diagrams.
• See page 19 for Waveforms.
2.3
2.3
4.8
6.9
0.1
0
0
5
0
0
2.2
0
1.1
4.7
2.3
2.3
6.3
9.7
0
12
11.9
4.9
5.6
8
8
2.3
2.9
2.3
2.9
0.6
4.8
0
4.8
2.7
8.2
2.1
8
2.3
0
2.3
6.9
3.5
3.3
3.5
0
0
0
0
0.2
0.2
4
No mark : FM
< > : CD
3.5
0.6
1.3
2.3
2.3
1.7
0
2.4
2.5
2.5
4.7
4.7
2.5
LC72131
IC102
IC101
LA1845
AEP,UK
SP,AUS
SP,AUS
SP,AUS
SP,AUS
SP,AUS
AEP,UK
AEP,UK
AEP,UK
0.01
0.01
0.01
0.01
0.1
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.1
4.7
0.022
0.01
0.01
0.01
0.01
0.01
0.001
0.001
0.01
0.01
0.01
0.01
0.47
C101
AEP,UK:860
SP,AUS:330
AEP,UK
AEP,UK
SP,AUS
RV101
FM TUNED
LEVEL
AM IF
NULL
4
2
1
1
6
6
2
4
5
Q103,104
MUTE
0.47
6 R124,141
AEP,UK:220
SP,AUS:270
2 R133,134
AEP,UK:470
SP,AUS:1k
SP,AUS:1k
5
R138
AEP,UK:10k
SP,AUS:100
1 R128,129
AEP,UK:22k
SP,AUS:1.2k
4 R143,144
AEP,UK:4.7k
SP,AUS:220k
3
3
3
3
IC102
PLL
IC101
AM/FM IF MPX.
IC103
RDS DECODER
IFT101
T101
BUFFER
100uH
1
2
3
4
5 6
7 8
9
10
11
+B SWITCH
C131,132,147
RF IF
AMP
MAIN BOARD
(1/4)
TO
MAIN BOARD
(2/4)
1
TO
MAIN BOARD
(3/4)
2
JR120
(Page 27)
(Page 28)
IC B/D
IC B/D
27
27
HCD-RG66
5-8. Schematic Diagram – MAIN Section (2/4) –
• See page 19 for Waveforms.
3.3
0.6
0
0
0
4.5
0
0.6
3.6
0.2
9.3
8.9
6.4
1.5
2.1
3.9
0.3
0.9
4
0.3
0.9
1.2
4.8
4.7
1.4
4.7
4.7
4.7
2.9
2.9
0.6
0.8
4.7
4.7
4.7
2.9
2.9
0.6
0.7
0
0.2
0.2
0.7
0.7
0.7
0
0
0
0
0
12
11.3
12
0.3
12
11.5
11.5
0
0
0
0
0
0.6
5
0.01
0.47
0.47
0.001
0.01
2.2
0.01
4.7k
4.7k
0.001
0.001
0.001
0.001
10
16V
270
22k
10k
0.0022
0.022
C285
0.033
4.7k
4.7
10/50v
22k
0.015
0.0047
0.0047
12
50
51
52
53 54
55
1
TO
MAIN BOARD
(3/4)
4
13
14
15
16
17
TO
MAIN BOARD
(3/4)
3
TO
MAIN BOARD
(1/4)
1
TAPE
DECK
(1/2)
DECK A
DECK B
4..7k
5.6k
IC201
DECK A/B SELECT
PB/REC EQ AMP
10k
22k
0.0022
470k
470k
220k
220k
470
470
0.1
TO
MAIN BOARD
(4/4)
5
MAIN BOARD
(2/4)
Q210,211
AMS
BIAS OSC
(Page 26)
(Page 28)
(Page 28)
Q219,218,
220,221
SWITCH
220,221
SWITCH
SWITCH
SWITCH
REC BIAS
BIAS
AMS
(Page 29)
28
28
HCD-RG66
5-9. Schematic Diagram – MAIN Section (3/4) –
• See page 36 for IC Block Diagrams.
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.5
4.5
4.6
4.6
4.6
9.2
0
0
0.2
12.7
0
0.7
0.3
0.1
12
12
4.7
4.7
2.8
0
0
0
0
12
0
0
0
12
4.9
11.9
0.7
0.7
0
0
0.6
0.6
0
0
4.7
11.3
11.3
4.7
0.4
<13.1>
0.2
<4.6>
13.5
<0.1>
0.1
<4.9>
0
<2.5>
0
<4.9>
13.6
5.5
0.6
25.2
12
13.6
9.2
15
9.2
9.2
9.2
9.2
9.2
0
0
0
9.2
9.2
0
9.2
0
9.2
0
No mark : FM
< > : CD
CN303
CN306
IC301
M61519FP
PH671
0.1
4.7k
4.7k
22k
22k
0.022
0.047
0.022
22p
22p
100
0.047
1k
1k
1k
0.022
0.022
0.027
0.027
0.15
0.15
0.15
0.15
0.047
SP,AUS
AEP,UK
IC301
SOUND PROCESSOR
1k
1k
1k
0.01
0.01
4.2k
4.2k
0.1
0.1
0.1
0.1
0.1
22k
68k
4.7k
RY371
SP,AUS
AEP,UK
SP,AUS
(CHASSIS)
2
3
4
5 6
7 8
9 10
11
12
13
14
15
16
17
18
18
19
20
20
21
22
23
24
22
23
24
26
27
28
28
29
30
32
33
34
35
36
37
35
36
37
38
39
40
41
42
43
43
44
45
45
46
47
48
49
48
49
TO
MAIN BOARD
(2/4)
TO
MAIN BOARD
(2/4)
(Page 27)
3
4
TO
MAIN BOARD
(4/4)
6
TO
MAIN BOARD
(1/4)
(Page 26)
2
TO
POWER AMP BOARD
CN502
TO
SURROUND
BOARD
CN310
E
D
FAN
TO
BD BOARD
CN734
B
SPEAKER
OPTICAL
CD DIGITAL OUT
MD(VIDEO)
MAIN BOARD
(3/4)
IC684
+7V REG
IC681
+5V REG
IC682
+5.6V REG
IC683
+12V REG
IN
RELAY
DRIVE
FAN
DRIVE
Q383
PROTECT CONT
Q381,382
PROTECT DETECT
Q386,387
PROTECT SWITCH
Q384,385
RELAY DRIVE
MUTE
CONT
MUTE
CONT
MUTE
CONT
MUTE
MUTE
MUTE
MUTE
Q601,602
A SOL DRIVE
Q603,604
B SOL DRIVE
Q605,606
M+B CONT
Q681,682
SWITCH
0.15
0.15
(Page 24)
(Page 29)
(Page 27)
(Page 34)
(Page 33)
IC B/D
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