Yamaha RX-V3200 Service Manual page 64

A B
RX-V3200/DSP-AX3200
SCHEMATIC DIAGRAM (OPERATION)
1
FRONT L
8.5
0
0
4.8
8.5
4.8
2
0
0
0
-8.5
BASS EXTENTION
3
4
5
IR
REMOTE
6
4.9
-32.2
-32.5
7
8
# All voltages are measured with a 10MΩ /V DC electric volt meter.
# Components having special characteristics are marked s and must be replaced
# Schematic diagram is subject to change without notice.
9
E-79/J-73
C D E
11.8 PHONES
11.8 8 1
6
5
0 8 MUTE
7
0 7 0
8.5
6
0 0
0
0
0
8.5
0
0
8.5
0
0
8.5
0 0
8.5
2
0 1 3
3 0 0 2
4
0 4 0
5
0
-11.8
-11.8
TONE CONTROL
REC OUT
SELECTOR
FL DISPLAY
0 0
~ -16.0
-17.5 ~
-14.2 ~
FL DRIVER
~ -13.5
~ -16.6
~
-32.2 ~
-32.4 -30.7
-32.2 -33.6
-32.2 -33.6
-32.2 -30.6
4.9
-32.2 -27.9
-32.2 -27.7
-32.4
-32.2 -30.7
-32.0 -32.2 -32.0
-32.2 ~
with parts having specifications equal to those originally installed.
F G
10.1 9.4
9.4 8
3
1
0
2
0 0
0
0.7
0
0
0
0 0
0
0.7
6
7
0 0
5 0
0
4
-9.5
-10.1 -9.5
E-78/J-72
I7
To POWER (1)
E-83/J-77
B5
-27.5
-34.7
4.9 4.9 4.9 4.9
-30.5 -33.3 ~ -16.0
-31.8 -34.2 -24.2 ~
4.9 4.9
-27.6 -33.4
-29.2 -34.3
H I
IC802: NJM2068L-D
Dual OP-Amp
1
4.9
4.2
PHONES
IC804: NJM4556AL
4.2
4.2
Dual OP-Amp
0
0
4.9
0
0
0 0
VOLUME
OSCO
J K L
IC803: µPC4570HA
Dual OP-Amp
1 2
- + + -
2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 9
Vcc Vo -Vm +Vm V +Vm -Vm Vo Vcc
1 1 1 EE 2 2 2
V+
8
2, 6 OUTPUT
–INPUT
1, 7
+INPUT
3, 5
V–
4
IC901: LC75712E FLD
FL Display Driver
AM1
CG 1
DI 64
Ｃ ROM AM2
Ａ 2
Ｏ Ｌ Ｎ
Ｎ DC Ａ
Ｏ
CL 63 Ｔ SHIFT REGISTER Ｔ
Ｄ
Ｌ
Ｒ Ｃ
RAM Ｅ
Ａ
Ｏ Ｈ
CG Ｔ
CE 62 Ｌ Ｄ
Ｃ
RAM Ｒ
Ｈ
Ｉ
Ｖ
35 AM35
Ｅ
Ｒ 36 AA1
ADDRESS ADDRESS AD
VDD 60 AA2
REGISTER COUNTER RAM 37
38 AA3
VSS 57 39 AA4/G16
BLINKCYCLE BRINK
AA5/G15
40
REGISTER GENERATOR
41 AA6/G14
VFL 55
42 AA7/G13
DISPLAY DISPLAY
43 AA8/G12
REGISTER CONTROL
RES
61 44 G11
G10
45
DUTYCYCLE DUTY
REGISTER GENERATOR Ｇ
Ｄ
Ｒ
Ｅ
TEST Ｉ
56 Ｃ
GRID GRID Ｄ
Ｏ
REGISTER CONTROL Ｄ
Ｅ Ｄ
Ｒ
Ｒ
INSTRUCTION Ｉ
CONTROL
Ｖ
DECODER
Ｅ
Ｒ
53 G2
OSCI 59 TIMING
OSC DIVIDER
GENERATOR 54 G1
58
x: NOT USED
O: USED / APPLICABLE