HCD-GPX6/GPX7
23
23
6-2.
BLOCK DIAGRAM – MAIN Section –
1
INPUT SELECT,
TONE CONTROL,
ELECTRICAL VOLUME
IC302
POWER AMP
IC601
MD IN L
61
J301
CD IN L
36
VOL
IN L
R-CH
R-CH
R-CH
CD
L-CH
HRP350
(REC/PB/ERASE)
R-CH
ERASE
R/P
BIAS
63
TU IN L
11
TAPE IN L
7
PB
OUT L
3
TAPE L
15
REC OUT L
A
37
TONE
OUT
33
VOL
OUT L
EQ
7 9
REC/PB SWITCH
IC301
8
M+10V
BIAS OSC
T301
4
CONT
LEVEL SHIFT
Q301, 302
BIAS OSC
Q303, 304
BIAS TRAP
T101
REC BIAS
(L)
RIPPLE
FILTER
Q305
REC BIAS
SWITCH
Q306, 307
RV101
M
M
CAPSTAN/REEL
MOTOR DRIVE
Q310, 311
TRGM+
PACK
F REC
R REC
END SW
PLAY SW
TC CONT
TC TRG
HALF
END SW
PLAY SW
PLUNGER
DRIVE
Q308, 309
CAPSTAN/
REEL
TAPE MECHANISM
DECK BLOCK
TUNED
STEREO
MUTE
RDS DATA
RDS INT
DI
DO
CLK
CE
TUNED
STEREO
ST MUTE
RDS DATA
RDS INT
ST DIN
ST DOUT
ST CLK
ST CE
ROUT
R-CH
LOUT
AM
FM 75
Ω
ANTENNA
FM/AM
TUNER PACK
76
TC TRG
77
TC CAPM CONT
95
TC HALF/REC SW
75
TC PLAY
94
TC END SW
78
BIAS ON
79
TC R/P
71
ST DATA OUT
72
ST DATA IN
73
ST CLK
70
ST CE
69
ST TUNED
68
ST STEREO
67
ST MUTE
58
RDS DATA
ST DIN
ST DOUT
ST CLK
ST CE
TUNED
STEREO
ST MUTE
RSD DATA
RDS INT
TC TRG
TC CONT
HALF
PLAY SW
END SW
BIAS
R/P
87
EQ DATA
88
EQ CLK
LINE MUTE
86
AMP POWER
83
AC DET
C
84
PROTECT
85
SP RELAY
18
RDS CLK
19
SI
18
SC
R-CH
R-CH
VP
CT
OUT
OCP
R-CH
R-CH
MUTING
Q501
D609
D611
D608
THP801
OVER LOAD
DETECT
Q502
POWER ON
MUTING
Q601
PROTECT
SWICTH
Q608
STANDBY
SWITCH
Q604
MUTING
CONTROL
Q602, 603
TEMPERATURE
DETECT
Q607
PROTECT
CONTROL
IC602
2
4
3
1
RELAY
OFF SWITCH
Q609
RELAY
DRIVE
Q610, 611
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
TM301
RY301
+
+
+
RELAY
B+ SWITCH
Q605, 606
+POWER
UNREG
PHONES
L
R
J321
FAN MOTOR
DRIVE
Q315
M301
(FAN)
+13V
REGULATOR
Q324
M
OVER LOAD
DETECT
Q316
HP SW
B
L
R
MD/VIDEO
• SIGNAL PATH
: CD PLAY
: FM
: AUX IN
: TAPE PLAY
: TAPE REC
• R-ch is omitted due to same as L-ch.
SYSTEM CONTROLLER
IC306 (2/3)
(AEP)
(US, AEP, Argentina)
(AEP)
+
+
–
–
15
X IN
13
X302
16MHz
X OUT
11
XC OUT
10
X301
32.768kHz
XC IN
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(Page 24)
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