Yamaha DVX-S200 Service Manual page 87

A B
DVR-S200 SCHEMATIC DIAGRAM (FL)
1
2
3
4.9
-15.4
4.9
-14.4
-13.8
-18.2 4.9
-17.3
-20.2 4.9
-19.5
4.9
-20.1
-19.5
-15.4
4
-13.8
-12.6
-16.2
-17.3
-12.5
-22.0
-19.5
-19.5
-18.2
-14.4
-22.0
-20.1
-22.0
5
-16.2
-14.4
6
7
8
C D E
Page 81 H1
to DIGITAL CB306
4.9
-20.2
-20.1
4.9
-20.1
-20.1
-19.9
-20.0
-20.0
-20.0
-20.0
-20.0
-20.1
-20.1
-20.1
-16.3
-12.7
F G
Page 86 A5
to SUB (5) W351
4.9 5.7
4.9 7.7
5.7 5.7
6.3
6.3
5
CH1
0
11.2 12.2
5 CH2
11.5
4.8
6.7
6.2
0
0.7
0
6.2
0
0 0
IC941 : LC75712E
FL Display Driver
Ｃ
DI 64
Ｏ
Ｎ DC
CL Ｔ SHIFT REGISTER
63
Ｒ
RAM
Ｏ
Ｌ
CE 62
ADDRESS ADDRESS
VDD
60
REGISTER COUNTER
VSS 57
BLINKCYCLE BLINK
REGISTER GENERATOR
VFL 55
DISPLAY
DISPLAY
REGISTER
CONTROL
RES 61
DUTYCYCLE DUTY
REGISTER GENERATOR
TEST 56
GRID GRID
REGISTER CONTROL
INSTRUCTION
CONTROL
DECODER
OSCI 59 TIMING
OSC DIVIDER
GENERATOR
OSCO 58
H I
to SUB (3) CB362
12.2
3.6
7.7 11.5
3.5 3.7
0.1
0
to SUB (1) W5
-17.3
-22.3
EUROPE
CG 1 AM1
Ａ
ROM 2 AM2
Ｌ
Ｎ
Ａ Ｏ
Ｔ
Ｄ
Ｌ
Ｃ Ｅ
Ｈ Ａ
Ｔ
CG Ｄ
Ｃ
RAM Ｒ
Ｈ
Ｉ
Ｖ
Ｅ 35 AM35
Ｒ
36 AA1
AD
37 AA2
RAM
AA3
38
39 AA4/G16
40 AA5/G15
41 AA6/G14
AA7/G13
42
43 AA8/G12
44 G11
G10
45
Ｇ
Ｄ
Ｅ Ｒ
Ｉ
Ｃ
Ｏ Ｄ
Ｄ
* All voltages are measured with a 10M Ω /V DC electronic volt meter.
Ｅ Ｄ
Ｒ
Ｒ
Ｉ
* Components having special characteristics are marked Z and
Ｖ
Ｅ
must be replaced with parts having specifications equal to those
Ｒ
53 G2
originally installed.
G1
54
* Schematic diagram is subject to change without notice.
J K
DVR-S200/NX-P200
Point t
CH 1 : Emitter of Q950
CH 2 : Colector of Q949
CH 1
CH 2
↑ ↑
AC POWER ON AC POWER OFF
(Connect the power cord) (Disconnect the power cord)
Page 86 E2
Page 86 D6
87