Block Diagram -Main Section - Sony HCD-GZR7D Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-3. BLOCK DIAGRAM – MAIN Section –
J301
-1
L
VIDEO/SAT AUDIO IN
-2
R R-CH
TM901
LCH 1
FM 75Ω RCH 3 R-CH
COAXIAL
+9V 2 +9V
DO
DO 9
ANTENNA
DI
DI 7
CL
AM
CL 8
CE
CE
6
TUNE
TUNED
5
J851
MIC 1
J852
MIC 2
HP901
L-CH
PB
T E
L 1 3 9 4 2 2 9 6 5 1 3
HEAD
R-CH
(DECK A) R-CH
L-CH
REC/PB
HEAD
R-CH R-CH
HRPE901
REC/PB/ERASE
HEAD
(DECK B)
ERASE
HEAD
TAPE MECHANISM
DECK BLOCK
A-PHOTO
B-PHOTO
B-REC-REV
A-HALF
B-HALF
B-REC-FWD
CAP M+
B-SOL
A-SOL
w w w
HCD-GZR7D/GZR8D/GZR9D
AUDIO CD-L
D
SECTION
DPL-L
(Page 46)
MIC SIGNAL
MIC/ECHO LEVEL AMP
AMP
IC851
IC852
16 MIC2P P0OUT 29
MCO 21
15 MIC1P
VOL1 VOL2 VOL3
5 6 7
RV852 RV853
MIC 2 ECHO
LEVEL RV851 LEVEL
MIC 1
LEVEL
PB AMP
IC301
MUTE
Q301
MUTE
Q303
REC AMP
MUTE
IC401
Q305
MUTE
Q405
REC/PB REC MUTE
REC MUTE
SWITCH CONTROL
Q409
Q408 Q410
T001
BIAS OSC
Q453
+9V
Q454,455
CAPSTAN/
REEL MOTOR
CONTROL
Q103,105
SOLENOID B
CONTROL
Q104,106
SOLENOID A
CONTROL
Q107,916
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http://www.xiaoyu163.com
8
TAPE REC/PB AMP,SOUND CONTROL
IC101
42 SAT/VIDEO-L
RECAL 37
TONEOUTL 30
SWOUT 23
OUTL 26
43 TUNER-L
DBFB FEED
PB1L 27 BACK AMP
Q128
28
44 CD-L PB2L
MUTE
Q252
52 DPLL/SURL
FL,FR
MUTE
Q261
21 DATA
22 CLK SA2 9
BUFFER
IC703 (2/2)
46 MIC
SA1 8
45 TAPE-L
BUFFER
36 RECBL IC703 (1/2)
BUFFER
41 DMPORT-L
SYSTEM CONTROL
IC401 (2/4)
O-FRONT-A-MUTE 1
Q Q
15 O-AUDIO-IC-DATA
3 7 6 3
24
O-DVD-POWER
16 O-AUDIO-IC-CLK
57
I-MIC/HP-DET
28 I-TU-DO
O-DMP-DATA 76
26
O-TU-DI
I-DMP-DATA 77
27 O-TU-CLK
I-DMP-DET 62
29 O-TU-CE
I-TU-TUNE
31
O-VIDEO-SEL 11
18 O-TC-REC-MUTE
17 O-TC-REC/PB-SW
VACS
I-VACS 58
CONTROL
I-ILLUMINATION 59
Q101,102
19 O-TC-REC-BIAS
V
C
74 TC-A-SHUT
Y
75 TC-B-SHUT
5 REC-REV YG
VIDEO
B
60 I-TC-STAT SECTION
WIDE
(Page 44)
CB/B
DSEL
CR/R
14 O-TC-CAPM-CNT
6 O-TC-B-TRIG
O-VIDEO-MUTE 12
10 O-TC-A-TRIG
u 1 6 3
.
45 45
2 4
9 9 8
• Signal Path
RECA L
TONEOUT L
SW OUT
AUDIO
E
FL OUT
SECTION
(Page 46)
D201
SOUND
HP DET
• R-CH is omitted due to same as L-CH.
• Abbreviation
AUS: Australian model
EXCEPT AUS MODEL
J304
Q302
DLIGHT 3
POWER D-LIGHT
4
CONTROL
DVD9V +4.5V REG
BUFFER
Q303,304
Q301
IC702
SCORE
VIDEO
A
SECTION
XVOICE (Page 44)
BUFFER
IC701
IC202 CN204
13
3
1
11
2
14
R-CH
12
R-CH
2
1 5 1 5 0 8 9 2 4 4
DMP+5V
5
6
7
J903 1
VIDEO/SAT
6
2
4
VIDEO IN
COMPONENT VIDEO/S VIDEO AMP
VIDEO SELECTOR
IC901
IC902
CVBS OUT
23
4 CVBS IN
S-DC OUT 27
2 C-IN
C
C OUT 26
6 Y-IN
Y
Y OUT 21
10 CY-IN
25 S1
CY OUT 20
12 CB-IN
CB OUT 18
9 I/P
16
CR OUT
CR-IN
14
MUTE1 MUTE2
3 13
m
c o
HCD-GZR7D/GZR8D/GZR9D
2
9 9
: AUDIO
: TUNER
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: TAPE REC (DECK B)
: VIDEO
: COMPONENT VIDEO
D-LIGHT
SYNC OUT
Lch+
Lch-
Rch+
Rch-
DMPORT
VBUS(5V)
DC5V 0.7A MAX
9 8 2 9 9
VDIDEO(5V)
RXD
TXD
DET
J902
VIDEO
OUT
J904
S VIDEO
OUT
-3
Y J901
-2
COMPONENT
P /C
B B
VIDEO OUT
-1
P R /C R