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HCD-GPZ6/GPZ7
21
21
HCD-GPZ6/GPZ7
7-2. BLOCK DIAGRAM – MAIN Section –
INPUT SELECT,
TONE CONTROL,
ELECTRICAL VOLUME
IC302
R-CH
CD-L
L-CH
HRPE350
(REC/PB/ERASE)
R-CH
ERASE
R/P
BIAS
TUNER-L
M+10V
BIAS OSC
T301
BIAS OSC
Q321
BIAS TRAP
T101
REC BIAS
SWITCH
Q306, 307
M
M
CAPSTAN/REEL
MOTOR DRIVE
Q310, 311
TRGM+
TC CONT
TC TRG
HALF
END SW
PLAY SW
PLUNGER
DRIVE
Q308, 309
CAPSTAN/
REEL
TAPE MECHANISM
DECK BLOCK
TC TRG
TC CONT
HALF
PLAY SW
END SW
BIAS
R/P
AC DET
19
18
R-CH
R-CH
R-CH
R-CH
MUTING
Q501
D609
D608
THP822
OVER LOAD
DETECT
Q502
PROTECT
SWICTH
Q608
STANDBY
SWITCH
Q604
MUTING
CONTROL
Q602, 603
TEMPERATURE
DETECT
Q607
PROTECT
CONTROL
IC602
RELAY
OFF SWITCH
Q609
RELAY
DRIVE
Q610, 611
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
TM301
RY301
+
+
RELAY
B+ SWITCH
Q605, 606
CD UNREG
M +10V
PHONES
L
R
J321
R-CH
R-CH
R-CH
FAN MOTOR
DRIVE
Q301, 302,
Q315, 316
M301
(FAN)
M
MD Link
ANALOG IN
J320
• SIGNAL PATH
: CD PLAY (ANALOG)
: TUNER
: AUX IN
: TAPE PLAY
: TAPE REC
• R-ch is omitted due to same as L-ch.
+
+
–
–
15
13
X302
16MHz
11
10
X301
32.768kHz
D313
MUTING
CONTROL
Q322, 323
REC
MUTING
Q103, 104
PB
MUTING
Q101
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