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6-33. SCHEMATIC DIAGRAM – TC Board (Suffix-12) – •
HRPE901
RECORD/PLAYBACK/
ERASE
CNP1
8P
L-CH
R-CH
ERASE
See page 82 for Waveforms.
R113
10
C102
47
16V
R213
10
C410
1
50V
JR104
0
C101
Q100,101,200,201
470p
MUTING
JR103
Q100
Q101
0
KTC3203Y
KTC3203Y
C201
470p
C202
R107
R108
47
10k
10k
16V
Q200
Q201
KTC3203Y
KTC3203Y
R109
2.2k
T101
R207
R208
10k
10k
R111
C110
10k
0.01
R112
C111
5.6k
330p
C211
330p
R211
C210
10k
0.01
R212
5.6k
R209
2.2k
T201
C209
C109
0.001
0.001
JR201
0
JR106
JR105
1K
1K
R401
3.3k
RV201
RV101
33k
33k
C433
0.0047
C432
R400
0.012
1
R102
R103
R104
R105
47k
10k
2.2k
47k
C105
1
50V
C106
C107
C108
R101
10
1
2.2
C104
47k
50V
50V
50V
0.01
PB-NF2(L)
REC-OUT(L)
PB-
MUTE
TEST
NF1(L)
AIN
I-
(L)
REF
EQ
RIP
GND
A
B
ALC-
BIN
DET
(L)
REC
VCC
REC/PB EQ AMP,
REC
GND
ALC
MUTE
IC401
HA12236F
BIN
MUTE
A
B
(R)
NC
A/ B
AIN
HI/
NOR
(R)
EQ
PB-
MUTE
ALC
NF1(R)
PB-NF2(R)
REC-OUT(R)
C207
C206
1
C208
R201
10
50V
2.2
47k
50V
50V
C204
C205
0.01
1
50V
R202
R203
R204
R205
47k
10k
2.2k
47k
R402
10
Q402
KTA1266Y-AT
R407
T401
BIAS OSC
6
3
Q402,403
5
2
R403
R404
REC BIAS
47
10k
Q401
R406
4
1
SWITCH
KTC3203Y
4.7k
BIAS OSC
C435
0.01
C434
Q403
C422
R405
47
KRC102S
0.0068
10
10V
61
61
ALC CONT
REC-MUTE
REC IN-R
R106
R-OUT
10k
REC/PB
LINE MUTE
A-GND
REC IN-L
+8.0V
L-OUT
MO GND
JR102
TC-SW
0
MO +12V
R416
1k
B+3.3V
PLAY-SW
R415
47k
C403
END SW
0.01
SOL 12V
R417
24k
C437
10
50V
R413
1M
C402
0.01
C401
C400
100
10
16V
R428
50V
4.7k
END SW
R414
33
MO GND
SOL 12V
R412
10k
R422
MO +12V
10k
PACK
R410
10k
REC-L
REC-R
R411
C407
47k
10
R424
R425
PLAY-SW
50V
47k
4.7k
R409
4.7k
R426
4.7k
R418
4.7k
R206
10k
R408
4.7k
TH1
Q404
KRA102S
TH2
Q404,405
47k
MUTING CONTROL
SWITCH
TH3
Q405
KRC107S
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TAPE PLAY
(
) : REC
HCD-M90
CN301
17P
(Page 64)
CN302
8P
TAPE DECK BLOCK
SUPPLIED WITH
THE ASSEMBLED
BLOCK
(CHASSIS)
(CHASSIS)
(CHASSIS)
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