Hitachi HRD-MD05 Serviceanleitung Seite 14
Inhaltsverzeichnis
CIRCUIT
DIAGRAM
• SCHALTPLAN
DECK P.W.B.
FLEXIBLE
27
P.WB.
100K
C905t_
100/6.3
PG902
3
Lch
TAPE i
PLAY
HEAD
Rch
HEAD
L ch
TAPE t
PLAY
HEAD
Rch
REC/'PLAY
CN901
PG901
SELECT
Lch
TAPE2
REC/PLAY
Rch
CN903
P6903
2
TAPE?
ERASE
ÆAO
ft9S1
100
ISOOP
10K
CN906
PG906
for
LED P.WB.
3
DB 13
PG9t1
FRO
IND.
09:
0913
SLP-1
18-60
Red
CN904
PG904
CN90S
PG905
MOTOR
SWITCH
MOTOA
SWITCH
PLAY
ITCH
CN910
2
1
2
* : Axial lead cylindrical
* : Zalindrischer
• PLAN
DE CIRCUIT
Condensateur
H9t0
R904L
R905L
R906L
C913L
3 .3/50
1500P
C9021-
330p
C:ä01t_
C90&-
Ä90tL
C906L
cg07
Cgtl
o. 022
10K
0.03922/1647/1
R9131-
10K
C9a2
R9t4L
too
o
o
IC90t
BA341631-
AMP.
LOGIC
Rch (Same
R908
33K
9
33K
Rch (Same
I-chi
LC901L
R9t1
PLAY
S901—d
(Same as Lch)
Argoa.
BIAS
ADJ_
C949L
0909
2SC2235
(Y)
BIAS
OSC.
R93m_
L 902
C940
tSTY)
.015
R938L
5
3
0
C937
0 .0068
BIAS
OSC.
R949
0915
132673
09 to
0.025
2SC1740
47/16
0914
AIF
SWETCHING
152473
0901
agoec
2SCt740LN(S)
SNITCHING
0902
132473
PLAY
REC
S90t—a
RECIPLAY
SELECT
SWITCH
R970
2SA 10 25 (GR)
R975
A973
10K
TAPE SPEEO
10K
10K
0905
12.6
(8.4)
11.9
0903
132473
R978
A979
12.6
8.2K
3.3K
R977
R976
4
R97i
22K
10K
5.6K
RT903
3.6
0
0.5
nT903
0
(0)
TAPE SPFED
ADJ.
0912
0913
0914
0915
asci
7 ao
esct740
2SC
2SC1740
TAPE
SPEED
TAPE
SPEED
T APE
SPEED
TAPE
SPEED
0904
CONTROL
CONTROL
SNITCHING
TCHING
1Saa73
SIGNAL
VOLTAGE
: TAPEI.
TAPER
:
BACK SIGNAL
: NEC
SIGNAL
TAPE-I. TAPE?
STOP
T APEZ
unto
SIGNAL
DO
ON
: RADIO
SIGNAL
T APE
3
4
— 25 —
ceramic capacitor.
Keramikkondensator
mit axialer Zuleitung.
céramique
clindriaue
å conducteur
rcgoa
9
BA455BHT
PRE
A W .
13.7
R91SC
10K
0
0
0902
0
33K
2SC1740
Lch)
as
-14.5
o *JTE
090
IL
0.7
esc
t 740
cgt4L
R920L
'So
47009
1.5K
O
MUTE
0
R917
10K
IC904
BA4558HT
ÆC
AMP.
R933L
C935L
3.3/50
13.7
0
0
0
o
o
o
o
C930L
7L
.02
a .28
47
1-90 IL
Lyn.)
R936L
o
o
o
o
0
0
—14. S
G907L
2SC1740LN (S) C928L
0.015
SWITCHING
(YYL)
0
1.5K
0.6
o gose
RCh
09061-
o
(Same as
Lch)
asc
20K
RS53
10K
SWITCH(2) P.W.B.
IC905
LBt403L
LED
DRIVE
Z090L
R968 H&3A
CS 48
22/15
5.6K
0
0
00
C)
C)
0907-0909
st-P—660C
orange
0910,
QP-t60c
Red
5
axial.
R923
DOLBY
FILTER
220K
L c.902L
10K
csatgt.
0903L
3. 3/50
2SC
740LN (S)
SWITCHING
2
5
0
6
BIAS
12.4
6.4
6.4
(12.5)
Rch (Same
Lch)
10K
0904
2SCt740LN
(S)
SWITCHING
Ä92S
12K
_ 100/16
too,' 16
R930
10K
Rch (Same
C92SL
R93tL
cga5
0.047
PLAY
R962L
5901
09051-
asci
740
09161_
6.8K
*JTE
2SC1740
G917L
0.7
2SC1740
0.33
10K
0.6
RT901
0.7
REC/PLAY
C946
0
R96t
_ 4.7/50
10K
OUTPUT
LEVEL
ADJ.
PG909
5902-1
5902-2
5902-3
R9d2
Me/Cn02
He "Croz
e2K
o
Croe
R943
82K
n9a6
150
9902
TAPE
SELECT
SWITCH
cgso
R965
470?
6
7
— 26 —
HRD-MD05
0.68/50
IC903
CXA-IIOI
DOLBY
13.0
0.4
SIDE
CHAIN
SIDE
CHAIN
6.4
0.4
Rch (Same as
Lch)
10K
3.350
ng27L
12K
CN9t3
rp .902
Lch)
as
CN9te
R954L
REC
-c
5
Rch (Same
as
Lch)
Lin
3
A957L
R959L
C-9441_
10K
4.7K
3.3/50
0
330
1 OOop
PG907
5
3
CN907
RCh
(Same as Lch)
5903-1
S903-2
OFF
RV901L.
A
REC VOLUME
CONTROL
3
5903-2
S903-i
TAPE
SPEED
DOLBY
ONIOFF
SELECT
SWITCH
SWITCH
8
9
Inhaltsverzeichnis
