29
VSX-108
STK407-070 (MAIN PCB : IC204, IC205)
• 2-Channel AF Power Amplifier IC
•
Block Diagram
TR1
TR6
TR8
TR9
TR23
TR22
TR24
TR19
TR17
PT1
TR20
TR18
TR14
TR15
TR16
TR13
C3
C4
TR21
TR11
TR10
TR7
TR12
TR3
TR4
Ch. 2
-Vcc
Ch. 1
-Vcc
Ch. 1
IN
Ch. 1
NF
C.C.C.
BIAS
SUB
GND
Ch. 2
NF
Ch. 2
IN
Ch. 1, 2
+Vcc
Pre.
+Vcc
Pre.
-Vcc
Ch. 1
OUT
Ch. 2
OUT
TR5
D2
D3
D1
C1
C2
R1
R4
R8
R18
R19
R17
R16
R12
R11
R14
R15
D5
R13
D4
R9
R5
R6
R2
R3
10
6
9
3
7
11
12
15
2
8
1
4
5
13
14
00262419-010 (M62419FP) (MAIN PCB : IC203)
• Digital Sound Controller with Tone Control IC
•
Block Diagram
V
REF
FRONT OUT2
REAR OUT2
FADER IN2
TONE OUT2
TC2 C
TC2 B
TC2 A
TONE IN2
ATTR OUT2
ATTF OUT2
SELECT2 IND
SELECT2 INC
SELECT2 INB
SELECT2 INA
SELECT NF2
LOUD IN2
VCL IN2
SELECT OUT2
VDD
I/F
CLOCK
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
V
CC
FRONT OUT1
REAR OUT1
FADER IN1
TONE OUT1
TC1 C
TC1 B
TC1 A
TONE IN1
ATTR OUT1
ATTF OUT1
SELECT1 IND
SELECT1 INC
SELECT1 INB
SELECT1 INA
SELECT NF1
LOUD IN1
VOL IN1
SELECT OUT1
GND
DATA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21