Sony SLV-7700KME, Service Manual

Page: 41 / 135

SLV-7700KME/7700KML
4-4. AUDIO BLOCK DIAGRAM
CN501
DRUM
AUDIO
HEAD
CH1
CH2
5
IC760
AFM
REC/PB AMP
11
10
8
AGC
DET
7
VCC 16
21
CA
HA
HA
REC ON
FE
AGC
AMP
PB ON
VCC
AGC
BIAS
ERASE
OSC
T881,Q881
1
2
4
AUDIO
ERASE
HEAD
AUDIO
REC/PB
HEAD
1
FULL
HEAD
CN891
FE901
3
2
1
RP-233 BOARD
1
5
6
3
CN701
CN881
BIAS
ERASE
OSC
T891,Q891
ERASE
SW12V
Q892
15
AGC
18
CTL
1
2
3
4
HE901
ACE HEAD
Q882
SW12V
BIAS
SW
Q886
2
CHECK
FOR HF ADJ
1
5
6
3
4
CN501
FM PB
FM REC
AF SWP
REC
AF REC P
MA-303 BOARD
FM
BPF
SW
21
VCO
1.4MHz
MODEM
PNR
L
DO
COM
ENB
LOPE
28
24
10
19
27
PNR
R
MODEM
RV522
Q522
VCO
1.3MHz
RV521
OUTPUT SEL
VCO
1.8MHz
RV532
Q532
VCO
1.7MHz
RV531
PB RF
BPF
RV541
46 42 41
30
REC
AMP
48
MIX
AMP
INPUT SEL
6
52
54
53
5
4
3
8 9 26
IC501
AUDIO PROCESSOR
IC551
4 2
5
HEAD SW
Q631
BUFF
4
Q805
BUFF
Q806
BUFF
IC801
14
13
12
5
3
9
10
AMS 7 3
IC813
IC812
Q804
5 7
AMS IC201 21
TO/FROM
SYSTEM CONT
BLOCK
SOUND LEVEL IC201 58
NA PB IC201 98
VCD/VHS IC201 91
AF ENV IC201 55
NT PB IC201 59
AF DATA IC201 80
AF CLK IC201 81
AF MUTE IC201 17
IC812
3 1
MIC LEVEL IC201 57
MB-77 BOARD
TO/FROM
KARAOKE .AUDIO I/O
BLOCK
CN602
MB-77 BOARD
TO/FROM
KARAOKE .AUDIO I/O
BLOCK
CN602
TO/FROM
SYSTEM CONT
BLOCK
12
6
8
23
10
CN801
PB EE L
PB EE R
REC L
REC R
NT PB
IC802
Q641
BUFF
5 7
3 1
14
2
4
1
CN801
VCD M
MIC
LINE OUT L
LINE OUT R
NT/PAL IC201 24
AF SWP IC201 100
REC IC201 48
AF REC P IC201 4
NA REC P IC201 16
FULL ERS IC201 36
HF ADJ IC201 56
TU-168 BOARD
TO
TUNER BLOCK
CN703
2
8
9
CN701
MOD A
LEVEL METER L
LEVEL METER R
CN901
HI-66 BOARD
TO
DISPLAY CONT
BLOCK
CN301
16
M901
(SEE PAGE 4-12)
(SEE PAGE
4-13)
(SEE PAGE 4-19)
(SEE PAGE 4-10)
(SEE PAGE 4-13)
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