H
35
B
A
C
D
F
G
1
2
3
4
5
6
DSP-A595
■
PRINTED CIRCUIT BOARD (Foil side)
36
P. C. B. OPERATION (4)
P. C. B. OPERATION (1)
P. C. B. OPERATION (2)
●
Semiconductor Location
Ref. No.
D800
D801
D802
D803
D805
D806
D807
D808
D809
D811
D812
D813
Q800
Q801
Q802
Q803
Q805
Q806
Q810
Q811
Location
C2
C2
C2
C2
C2
C3
C2
E3
C3
C3
C3
C3
E2
D5
E5
1
2
5
15
10
25
20
34
30
45
40 39
55
60
61
64
65
50
36
37
1
30
31
50 51
80
81
100
VO
VC
G
LC87F65C8A
5V
RESET
COM
B
A
MG
DATA
SEL
CLK
RDT
DEST/RDO
TCE
TMUTE
STM
MTS
CKIF
MG
VDN
PR
V2
SDT
CELC
VSEL1
—10dB
RCK
RCE
DO
/ST
METER
/SBR
TRQ
MG
RT
N
VUP
SCK
CETC
VSEL0
/VCR
FMT
#8
TO: INPUT (1)
MG
PR
Y
S12
SPR
Y
PRI
PRO
VP
PR
V1
CR
Y
W803
W801
YE
W802
YE
#14
TO: MAIN (1)
TO:
POWER
TRANSFORMER
STANDBY/ON
SET
MENU
TIME/
LEVEL
—
TV
SPORTS
DISCO
MOVIE
THEATER
MONO
MOVIE
DIGITAL/
PRO LOGIC
EFFECT
ENHANCED
ROCK
CONCERT
CONCERT
HALL
+
INPUT MODE
TAPE/MD MON
/EXT.
DECODER
3
4
INPUT
VCR.V-AUX.TV/DBS.DVD/LD.CD.TUNER.PHONO
8
1
NJM2068LD
8
1
NJM2068LD
+12A
–12
TIR
E
TIL
E
TOR
E
TOL
E
–10dB
TO:
INPUT (1)
#9
W805
BASS
TREBLE
BALANCE
#13
#13
Y
C
Y
VE
AXL
E
AXR
TO: INPUT (2)
VIODEO AUX
S VIDEO
VIDEO
L
AUDIO
R
Point
3
(Pin 16 of IC800)
V : 2V/div
H : 50nsec/div
AC range
1 : 1 probe
0V
CH1 : Pin 11 of IC800
CH2 : Emitter of Q806
V : 2V/div
2V
2V
SAMPLE
0.5s
0V
CH1
(CH1)
(CH2)
CH2
0V
Disconnect the
power cord from
the AC outlet.
This waveform is not available by pushing the
power switch ON and OFF.
With the POWER
switch turned ON,
connect the
power cord to the
AC outlet.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299