Schematic Diagram - Main Board (1/3) - Sony CMT-GPX6 Service Manual

6-10. SCHEMATIC DIAGRAM – MAIN Section (1/3) – •
ST CLK
ST DOUT
ST DIN
ST CE
+9V
FM 75Ω
TUNED
FM/AM
TUNER PACK STEREO
ANTENNA
SUPPLIED WITH L OUT
THE ASSEMBLED
AGND
BLOCK
R OUT
AM
ST MUTE
RDS+3.3V
NC
RDS INT
RDS DATA
CN305
J301
11P (EXCEPT AEP)
2P
15P (AEP)
L
MD/VIDEO
R
HRP350
CN301
(REC/PB/ERASE) 8P
L-PB
GND
L-REC
GND
R-REC
R-PB
GND
E-HOT
•
See page 29 for Waveforms. See page 42 for IC Block Diagram.
(1/3)
(AEP)
R101 R102 C101
1k 47k 220p
R201 R202 C201
1k 47k 220p
C397
FB309
0.1
REC/PB SWITCH
IC301
BA3126N
Q301,302
LEVEL SHIFT
Q301
KRA103M-AT
R301 C103 Q302
4.7k 680p KRC102M-AT
C205 R203 R205
T201
330p 5.6k 2.2k
C207 R204 R206
4700p 10k 47k
TP
(GND)
C105 C107 R104 R106
330p 4700p 10k 47k
T101
R103 R105
5.6k 2.2k
RV201
220k
RV101
220k
Q303
TP201 TP101
2SC2001TP
(R) (L)
-LK
C307
Q303,304 0.015
C206 C106
BIAS OSC
27p 27p
T301
BIAS OSC
Q304
2SC2001TP
-LK
R302 R303
5.6 5.6
C302
0.01
100V
Q306
KTA1266-GR-AT
Q305
2SD1387-34
-TP
RIPPLE
FILTER R309
2.2k
R306
2.2k
Q307
KRC102M-AT
C303 C304 C305
R307
2.2 10 47
6.8k
50V 50V 16V
Q306,307
REC BIAS SWITCH
73
72
71
70
69
C322
C321 C141
68 220
0.01 10 R118 C131 R391
10V
50V 4.7k 470p 47k
67
R218 C231 R390
C241
4.7k 470p 47k
10 50V
18
58
MD L
MD R
79
JW246 JW247
TAPE R
TAPE L
MD L C102 10 50V
MD R C202 10 50V
REC R C117
R211 R212 R213
10
180 5.6k 150k
50V
C215 C217
C216 C116
10 10
0.022 0.022
50V 50V
R113
C115
150k
REC L 10
R111
50V R112
180
5.6k
TAPE L C114 1 50V R127 1k
TAPE R C214 1 50V R227 1k
R207 100k
C210
10
C211 R210
50V
R208 330p 470k
4.7k
C212 R209
330p 330k
C209
10
50V
REC R
REC L
C109 C112 R109
10 330p 330k
50V
R108 R110
4.7k C111 C113 470k
330p 0.0082
C110 R107
10 100k
50V
R308
22k
78
R310
10k
C306
10
50V
(Page 32)
31 31
86
83
85
84
∗
C122,222
C122 C222
2200p (GPX6)
∗ ∗
2700p (GPX7)
TU
IN R
MD IN L NC
∗ C123,223
MD IN R NC 0.1 (GPX6)
0.22 (GPX7)
TAPE L NC
TAPE R NC
PB NF R BASS NF L
C123
PB OUT R BASS OUTR L ∗
PB OUT L BASS OUTR R C223
∗
PB NF L BASS NF R
INPUT SEELCT,
NC TONE CONTROL, NC
ELECTRICAL VOLUME
NC TONE OUT R
IC302
TAPE IN L BD3402KS2 VOL IN R
TAPE IN R TONE OUT L
REC NF R VOL IN L
REC OUT R NC
REC OUT L NC
REC NF L VOL OUT L
VOL
OUT R
C228
10
50V
C317 C319 C318 C320
R326 C371 C372 D331 R228
22 470 470 220
100k 0.1 0.1 10EDB40 4.7k
50V 10V 10V 10V
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
HCD-GPX6/GPX7
CN306
9P
SIGNAL L
SIGNAL GND
SIGNAL R
AC DET(SWTCHING)
AMP POWER
LINE MUTE
D 4V
(Page 35)
SPEAKER RELAY
PROTECT
B1
B2
(Page 33)
C124
R114 47
3.3k 50V
C224
R214 47
3.3k 50V
C225
22
50V
C125
22
50V
C128
10
50V
R128
4.7k
B3