Yamaha RX-V800 Service Manual page 50

A B
RX-V800/RX-V800RDS/HTR-5280/DSP-AX8
SCHEMATIC DIAGRAM (OPERATION 1/2)
1
2
-21.7
3
-29.8
4
5.0
-26.8
~
5
6
7
IC901: LC75710NE (U, C, A, R, T, L)
FL Display Driver
CG
DI 64 Çb
ROM
Çn Çk
Çm DC Ç`
CL Çs SHIFT REGISTER Çs
63
Çk
Çq Çb
RAM
Ç`
Çn Çg
Çk CG Çs
CE
62
Çb
RAM
Çg
ADDRESS ADDRESS AD
VDD 60
REGISTER COUNTER RAM
VSS 57
BLINKCYCLE BRINK
REGISTER GENERATOR
VFL
55
8
DISPLAY DISPLAY
REGISTER
CONTROL
RES 61
DUTYCYCLE DUTY
REGISTER GENERATOR Çc
Çd
TEST 56 Çb
GRID GRID Çn
REGISTER Çc
CONTROL
Çd
Çq
INSTRUCTION
CONTROL
DECODER
OSCI 59 TIMING
OSC DIVIDER
OSCO GENERATOR
58
9
E-63/J-59
C D E
FL DISPLAY
~
~
-20.9
~ FL DRIVER
~
-26.8
-26.7
5.0 5.0 -26.7
-26.7
-26.7 -26.7
-26.7
-26.7
~ ~
-26.7
-26.7
-26.6
-26.6
5.0
-20.9
~
IC901: LC75712E FLD (BG)
FL Display Driver
1 AM1 CG
Ç` DI 64 Çb Ç`
2 AM2 ROM
Çn Çk
Çm Çm
Çm DC Ç`
Çn Çn
CL Çs SHIFT REGISTER Çs
Çc 63 Çc
Çk
Çq Çb
Çd RAM Çd
Ç`
Å@ Çn Çg Å@
Çk CG Çs
Çc CE Çc
62
Çb
Çq RAM Çq
Çg
Çh Çh
Çu Çu
AM35
Çd 35 Çd
Çq Çq
AA1
36 ADDRESS ADDRESS AD
VDD 60
37 AA2 REGISTER COUNTER RAM
AA3
38
39 AA4/G16
VSS 57
BLINKCYCLE BRINK
40 AA5/G15
REGISTER GENERATOR
AA6/G14
41
VFL
55
42 AA7/G13
DISPLAY DISPLAY
AA8/G12
43
REGISTER
CONTROL
G11 RES 61
44
45 G10
DUTYCYCLE DUTY
Çf Çf
REGISTER GENERATOR Çc
Çq Çq
Çd
Çh Çh
TEST 56 Çb
Çc GRID GRID Çn Çc
Å@ Å@
REGISTER Çc
CONTROL
Çc Çc
Çd
Çq Çq
Çq
Çh Çh
INSTRUCTION
CONTROL
Çu Çu
DECODER
Çd Çd
Çq Çq
53 G2
OSCI 59 TIMING
OSC DIVIDER
54 G1
OSCO GENERATOR
58
F G
VOLUME
5.0 5.0 5.0 5.0
~ -20.8 -18.6 -14.0
~ ~ ~ ~ ~
~
~
~
~
~
-21.0
-25.5
-28.0 5.0 5.0
-28.0
-20.6
-16.0 -17.0
-16.0
~ ~
-18.6
-14.0
~
-23.0
1 AM1
2 AM2
AM35
35
AA1
36
37 AA2
AA3
38
39 AA4/G16
40 AA5/G15
AA6/G14
41
42 AA7/G13
AA8/G12
43
G11
44
45 G10
53 G2
54 G1
H I J
E-62/J-58
I7
D972, 973
# All voltage are measured with a 10MΩ /V DC electric volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
K L
x: NOT USED
HSS104
1SS133, 1SS176