Block Diagram -Main Section - Sony HCD-RV777D Service Manual

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3 7 6 3 1 5 1 5 0
7-4. BLOCK DIAGRAM — MAIN SECTION —
TM901
FM 75Ω
LCH 8
COAXIAL
RCH 10 R-CH
+9V 5 A+9V
AM
DIN
DO 2
DOUT
3
DATA
CLK
CLOCK 1
CE
4
CE
MUTE
MUTING 11
TUNED
6
TUNED
STEREO
7
STEREO
J104
L
IN
R
R-CH
VIDEO/SAT
L
OUT
R
R-CH
J501
VIDEO
GAME
INPUT L
AUDIO
R
R-CH
MIC AMP
IC501 (1/2)
J503
MIC
RV501
MIC LEVEL
T E
L 1 3 9 4 2 2 9 6 5 1 3
(DECK A)
HP901
PB
HEAD
R-CH
(DECK B)
REC/PB
HEAD
R-CH
HRPE901
T601
Q627,
Q628
ERASE
HEAD
TAPE
R-CH
MECHANISM
DECK
BLOCK
B PHOTO
A PHOTO
B MODE
A MODE
B HALF
A HALF
B REC(REV)
B REC(FWD)
CAP M+
B SOL
A SOL
w w w
HCD-RV777D/RV888D/RV999D
DAC
E
SECTION
(Page 48)
REC(DECK B)
MUTE
Q142
MIC AMP
IC501 (2/2)
ECHO AMP
IC502
RV502
ECHO LEVEL LINE OUT
MUTE CONTROL
EXCEPT RV999D:E51,
Q723
AR,MX MODEL
DETECT
Q661,662
Q602,603
MUTE
A+9V
Q622
BIAS OSC
Q604-606
Q601
MUTE CONTROL
Q623,624
MUTE CONTROL
Q629-631
CAP M DRIVE
Q615,616
B SOL DRIVE
Q617,618
A SOL DRIVE
Q613,614
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REC/PB AMP,
SOUND CONTROLLER
IC101
FRONT
PB MUTE
57 SUR1 80
DOWN MIX Q111,607,608
3 DM
1
TUNER
SW 29
4 INB1
TONE
TONE 23
PB(DECK A) MUTE
75 PB A
PB(DECK B)
76 PB B
17 REC
7
LOUT 28
8 AMS IN
11 AMS OUT
27
BBB1
LINE
BBA1 25
2 LINE
GAME
6 GAME
DBFB
MIC
SWITCH
59 MIC
Q112
13 RECB1
53
35 34
Q191
MASTER CONTORL
IC701 (2/3)
6 7
IN1 91
27 DIN
IN2 90
26 DOUT
28 CLK
M61537
25 CE ST
PROTECT 86
22 MUTE
24 TUNED Q Q
PB MUTE 80
3 7 6
23 STEREO
57 MIC SW
LINE-MUTE 84
83 LINE OUT MUTE AC4
AC DET
Q704,705
AMS
STK-MUTE 85
72 AMS-IN
HP SW
56
FRONT-RELAY 88
FAN CONT
AMS 92
MUTE 78 AMS MUTE
FAN ON/OFF 93
VIDEO OUT-SW 36
77 BAIS
79 TC-RELAY
M-REQ
33
61 B-SHUT
60 A-SHUT
71 B-PLAY
70 A-PLAY
69 B-HALF
68
A-HALF
67 B-REC.REV
66 B-REC.FWD
(Page 47)
65
CAP M-CONT
59 B-TRIG
MUTE1
34
MUTE2 35
58 A-TRIG
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49 49
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2 4
8 9 9
SW
DAC
D
SECTION
(Page 48) OVERHEAT
DET
TH201,Q216,217
Q801
POWER AMP
IC201
+RE 6
15 IN
-RE 7
OVERLOAD
ST-BY
R-CH
DET
13
Q201
R-CH
MUTE
Q171
DBFB Q233,234
DET
IC203
R-CH
2
PROTECT
1 4
DET
3
Q221,222
MUTE
CONTROL
3 1 5 1 5 0 8 9
MUTE CONTROL
LINE MUTE
Q702,703,707
2
3
COMPONENT
1
VIDEO BUFFER
MREQ IC801
V
4 CVBS IN CVBS OUT 23
S-DC OUT 27
C
2 C-IN C OUT 26
Y/G
6 Y-IN Y OUT 21
DVD DSP 10 CY-IN
B CY OUT 20
WIDE
SECTION
25 S1
CB/R
12 CB-IN CB OUT 18
I/P SW
9 I/P
CR/B
CR-IN CR OUT 16
16
3 MUTE1
13 MUTE2
m
c o
.
HCD-RV777D/RV888D/RV999D
2
8 9 9
OVERLOAD DET
DC DET DAC
F
SECTION
PROTECT
(Page 48)
TM201
RY281
L
FRONT
R-CH
Q281,282
SPEAKER
+VH
R-CH R
D230,231
RELAY AC
AC3
SWITCH DET
MUTE
Q232
R-CH J502
PHONES
MUTE
Q143
2 4 9 8 2 9 9
Q701
Q713,714,
Q708-710
FAN FAN901
SWITCH
FAN
VIDEO SELECTOR
IC802
J802
VIDEO
7
OUT
J803
C
S VIDEO
Y
OUT
Y
J801
COMPONENT
P /C
B B VIDEO OUT
P /C
R R
• Signal Path
: AUDIO
: TUNER
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
• R-CH is omitted due to same as L-CH.