Ic Block Diagram - Adcom GTP-506 Service Manual

IC BLOCK DIAGRAM

U301: CS3310
16
AINL
15
AGNDL
AGNDR
10
AINR
U206-U207, U304-U307, U333:
TC9273F
V
SS
1
S1 2
S2 3
S3 4
S4 5
S5 6
S6 7
S7 8
S8 9
S9 10
S10 11
S11 12
LEVEL SHIFT + SHIFT RESISTER
CIRCUIT
13 14
GND CK
+
-
MUX
8
Register
8
MUX
-
9
+
12 13
VA+ VA-
V
DD
26
27 S1
26 S2
25 S3
(L-ch) (R-ch)
24 S4
10bit 10bit
23 S5
Latch Latch
22 S6
Circuit Circuit
21 S7
(Same
20 S8
as L-ch
19 S9
Circuit)
18 S10
17 S11
15 16
DATA STB
8
Control
16
Serial to
Parallel
Register
8
4 5
VD+ DGND
U202-U204, U302-U303: 7AA
AMPLIFIER 1
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
U201: NJM4558M
A OUTPUT
A- INPUT
A+ INPUT
19
GTP-506
14
AOUTL
8
MUTE
1
ZCEN
2
CS
3
SDATAI
7
SDATAO
6
SCLK
11
AOUTR
AMPLIFIER 2
8
1 V +
2
7
OUTPUT
– + + –
INVERTING
6
3
INPUT
NON-INVERTING
4
5
V – INPUT
8 V+
1
2 7 B OUTPUT
A B
– + + –
6 B- INPUT
3
V- 4 5 B+ INPUT