Sony STR-DK5 - Block Diagram - Karaoke Section

STR-DK5
13 13
STR-DK5
4-3. BLOCK DIAGRAM — KARAOKE SECTION —
(Page 12)
(Page 11)
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to same as L-ch.
5 1
TONE CONTROL
IC2000
MIC AMP
IC2004
MIC 1 AMP
IC2001
RV2000
MIC 1 VOL
RV2003
HIGH
J2000
MIC 1
KARAOKE
RV2002
MID
RV2001
LOW
5 7
MIX AMP
IC2350 (1/2)
5 7
AF AMP
IC2102
5 7
AF AMP
IC2101
L OUT
5 7
BUFFER AMP
IC2351
3 1
3 1
MIX AMP
IC2350 (2/2)
+9V
+K5V +15V
RY2000
INVERTER
IC2301
SYSTEM CONTROL
IC1101 (3/5)
64
63
KARAOKE CONTROL
IC2300
7
MIC AMP
IC2003
IC2120
ECHO
CONTROL
ECHO
RV2109
KARAOKE
16
18
20
14 12 5
75 13
2 10
TONE
(MIC 1 TONE)
TONE CONTROL
IC2100
RV2103
HIGH
RV2102
MID
RV2101
LOW
16
18
20
14 12
TONE
(MUSIC TONE)
KARAOKE
5 1
MIC 2 AMP
IC2002
RV2050
MIC 2 VOL
RV2053
HIGH
J2050
MIC 2
RV2052
MID
RV2051
LOW
1
5
3
1
7 9 3
TONE
(MIC 2 TONE)
93
77
75
74
SEL
R-CH
WR
STB CLK
REQ
DATA
LOUT
MIC IN
L IN
R IN
ROUT
SRAM
K-OK R/W
K-OK STB K-OK CLK
K-OK REQ
K-OK DATA
INTERFACE
SRAM
36
1
88
34
4
90
33
3 6 8
10
89
K-OK RY
87
35
34
32
33
RELAY
DRIVER
Q2000
+4V REG
Q2350
CN2506
D-LIGHT
SYNC OUTPUT
+9V
D+4V
L+R
-1
-2
3
L
4
R-CH
R-CH
MIC
OUTPUT
J400
R
DIGITAL
SECTION
E
L OUT
TUNER/
AUDIO
SECTION
D
PHASE
SHIFTER
LOGIC
EQ
3 1
IC2303 IC2302
3 1
+5V
REG
+9V
REG