Sony HCD-GNZ8D - Block Diagram - Main Section

3838
HCD-GNZ7D/GNZ8D/GNZ9D
HCD-GNZ7D/GNZ8D/GNZ9D
7-4. BLOCK DIAGRAM — MAIN SECTION —
17
LINE
REC(DECK B)
PB(DECK A)
PB(DECK B)
TUNER
DOWN MIX
MIC
VIDEO
76
RELAY
SWITCH
3
4
75
L
R
FAN
SWITCH
J1001
BIAS OSC
Q601
T601
B
VIDEO
SECTION
(Page 36)
R-CH
FAN SWITCH
Q782-784
D
AUDIO
SECTION
(Page 37)
F
AUDIO
SECTION
(Page 37)
H
FUNCTION/
POWER
SECTION
(Page 39)
A
RF/SERVO
SECTION
(Page 35)
G
AUDIO
SECTION
(Page 37)
E
AUDIO
SECTION
(Page 37)
1
2
FRONT
57
R-CH
R-CH
A+9V
J202
ECHO AMP
IC1002
LINE
VIDEO
MIC
RECB1
31
35 34
DATA CLOCK
DATA
CLOCK
88
VACS/
ILLUMI
VACS2
8
AC DET
AC4
5
VIDEO OUT-SW
6
VIDEO MUTE
8
TA MUTE
9
HP MUTE
6
FUN ON/OFF
12
FUN CTRL
7
FRONT RELAY
22
REAR RELAY
86 BIAS
PB B
DM
SUR1
INB1
PB A
REC
28LOUT
29SW
23TONE
SW
TONE
MUTE
27
BBB1
25
53
BBA1
POWER AMP
IC401
REC/PB AMP,
SOUND CONTROLLER
IC201
SYSEM CONTORL
IC101 (3/4)
7
6
15
13
OVERLOAD
DET
Q401
5
TM901
LCH
6
DI
8
DO
4
+9V
3
RCH
DBFB
DET
AC
DET
DBFB
SWITCH
Q212
R-CH
PROTECT
DET
R-CH
Q282,283
+VH
RY481
23CVBS OUT
4
CVBS IN
V
6
Y-IN
Y
YG
2
C-IN
C
12
14
3
13
CB-IN
25
S1
9
I/P
MUTE1
MUTE2
CR-IN
10
CY-IN
CR/B
CB/R
WIDE
DSEL
S-DC OUT
C OUT
27
26
COMPONENT
VIDEO BUFFER
IC801
VIDEO SELECTOR
IC802
21Y OUT
20CY OUT
18CB OUT
16CR OUT
VIDEO
OUT
J802
COMPONENT
VIDEO OUT
J801
FRONT
SPEAKER
VIDEO
INPUT
S VIDEO
OUT
J803
C
Y
2
4
6
1
Y
P
B /C B
P R /C R
TM401
Q272
Q271
Q402,403
MUTE
Q701
IN
ST-BY
+RE
-RE
AC DET
D763,Q721-723
D753
SWITCH
Q281
MUTE
Q703
MUTE
CONTROL
Q791-795,
797
Q481,482
R-CH
OVERLOAD DET
SURROUND RY
DC DET
PROTECT
FUN DET
R-CH
OVERHEAT
DET
TH401,Q416,417
AC DET
J1003
RV1001
MIC 1
J1004
MIC 2
MIC LEVEL
MIC AMP
IC1001 (1/2)
MIC AMP
IC1001 (2/2)
RV1002
ECHO LEVEL
IN
L
R
OUT
L
R
AUDIO
L
R
R-CH
TV/SAT
VIDEO
R-CH
69 DIN
70 DOUT
71 CLK
68 CE
AC DET
ST
19 TUNED
R-CH
Q602,603
Q627,
Q628
A+9V
ERASE
HEAD
REC/PB
HEAD
R-CH
R-CH
PB
HEAD
MUTE CONTROL
Q629-631
MUTE CONTROL
Q623,624
MUTE
Q622
J1004
PHONES
R-CH
AC3
FAN901
FAN
FAN902
FAN
(DECK A)
HP901
HRPE901
(DECK B)
TAPE
MECHANISM
DECK
BLOCK
SHUT(B)84
SHUT(A)
83
PLAY(A)&(B)/A-HALF82
85
79
B-HALF/REC
TRG(A)A SOL
REC(REV)
B PHOTO
A PHOTO
B MODE
A MODE
B HALF
A HALF
REC(FWD)
TRG(B)
B SOL
78
CAP M+
B SOL DRIVE
Q101,102
CAP M DRIVE
Q103,104
A SOL DRIVE
Q105,106
7
CL
9
CE
TUNED
1
DOUT
DIN
CLK
CE
TUNED
LINE OUT
MUTE CONTROL
Q727
MUTE
Q705
IC203
PROTECT
3
4
2
6
59
13
AM
ANTENNA
FM 75Ω
COAXIAL
MUTE CONTROL
Q729
HP SW
GNZ9D
MIC
21
PB/REC
24
CAPM SW
10
AU-OUT MUTE
SIGNAL IN/OUT CONTROL
IC102 (2/3)
MUTE
CONTROL
Q728
• Signal Path
: TUNER
: AUDIO
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: VIDEO
: COMPONENT VIDEO
• R-CH is omitted due to same as L-CH.
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