Sony CMT-GP7 / HCD-GP7 Service Manual ▷ View online
25
25
HCD-GP7
— TUNER/TAPE Section —
• Signal path
: PLAYBACK
: RECORD
: TUNER (FM/AM)
• R-ch is omitted due to same as L-ch.
TAPE PB-L
C
AMP
SECTION
TUNER L – CH
B
AMP
SECTION
REC-L
D
AMP
SECTION
DECK
TC BLOCK
Q642, 643
BIAS OSC
Q641
RIPPLE
FILTER
R-CH
FM/AM TUNER PACK
ANTENNA
L OUT
FM ANT
AM ANT
AM ANT
R OUT
ST-MUTE
STEREO
TUNED
ST-DOUT
ST-DIN
ST-CLK
ST-CE
FM
75
Ω
CAP M+
TRGM+
PACK
F REC
R REC
PLAY SW
END SW
CAPM-CNT1
B TRG
TC-RELAY
B-HALF/REC SW
B-PLAY
B-SHUT-TC END SW
BIAS
ALC
REC-MUTE
TC-MUTE
AM
60
EQ OUT
A
B
120
ST-MUTE
STEREO
TUNED
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ST-CE
BIAS
TRAP
REC
BIAS(L)
37
9
8
7
4
3
4
5
7
10
42
80
41
40
90
38
91
43
TRIG
DRIVE
58
CAP MOTOR
DRIVE
59
34
21
57
27
22
25
23
12
11
15
14
Q680,681
BUFFER
PB OUT
TAI
REC IN
R-CH
R-CH
R-CH
SW.P2
GND
SW.R2
BIN
RV653
C661, L651
TC A+9V
IC602
REC/PB SWITCH
REC/PB
HEAD
ERASE
HEAD
NORM/HIGH SPEED
ALC ON/OFF
REC MUTE ON/OFF
MUTE ON/OFF
IC601
PB/REC EQUALIZER AMP
Q639,640
T601
Q691, 693
Q692,694
IC401 (2/4)
SYSTEM CONTROLLER
REC-OUT
L – CH
R – CH
EQ
RDS DATA
RDA INT
RDS DAT
RDS INT
RDS INT
51
18
26
26
HCD-GP7
— AMP Section —
IC321
POWER AMP
• Signal Path
• R-ch is omitted due to same as L-ch.
: PLAYBACK
: RECORD
: TUNER (FM/AM)
: CD
: MD
IC101
SOUND PROCESSOR
Q121,221
MUTING
Q328
SWITCH
Q333
SWITCH
Q322,323
MUTING
CONTROL
Q324
STANDBY
SWITCH
R-CH
R-CH
REC-L
LCH SELO
LCH OUT
CD LCH
CD L-CH
MD(VIDEO)
TUNER
L-CH
TAPE
PB-L
TUNER LCH
TC LCH
MD LCH
EQ DATA
EQ CLK
J301
L
84
81
STK-POWER
LIN-MUT
61
PROTECT
5
11
13
12
14
1
30
14
10
4
3
12
10
LCH IN 9
87
AMP(EQ) DATA
Q329
PROTECT
SWITCH
+
+
+
D371
D961
AC HI
AC HI
D962
Q122, 222
OVER LOAD
DETECT
+
+
Q321
MUTING
CONTROL
66
FRONT-RELAY
50
HP DET
Q334, 335
DC DETECT
Q325,326
RELAY DRIVE
Q331,332
RELAY
SWITCH
Q330
RELAY
CONTROL
+
–
+
+
–
SPEAKER
IMPEDANCE
USE 6-16
Ω
L
R
PHONES
J321
RY801
IC401 (3/4)
SYSTEM CONTROLLER
TM801
D
A
B
C
88
AMP(EQ) CLK
EQ CE
2
86
AMP(EQ) CE
CD
SECTION
TUNER/TAPE
SECTION
TUNER/TAPE
SECTION
TUNER/TAPE
SECTION
E
DISPLAY/POWER SUPPLY
SECTION
Q371,372
FAN MOTOR
DRIVE
THP821
Q327
THERMAL
DETECT
R
FAN
6
5
27
27
HCD-GP7
— DISPLAY/POWER SUPPLY Section —
IC501
RESET SIGNAL
GENERATOR
FL801
FLUORESCENT
INDICATOR TUBE
SG1 – SG17
GR1 – GR11
53 VOLUME A
52 VOLUME B
S851
ROTARY
ENCODER
VOLUME
32 – 42
14 – 29, 31
Q803
LED DRIVE
IC801
FL DRIVER
1
FL SD
2
FL SCK
3
FL STB
7 DIN
F1
F2
F2
M +7V
8 CLK
9
30
STB
VEE
4 SIRCS
44 STANDBY LED
X401
16MHz
15 XIN
13 XOUT
X402
32.768kHz
10 XCIN
11 XCOUT
65
CD-POWER
IC401 (4/4)
SYSTEM CONTROLLER
82
PWR-RELAY
12
RESET
20
AC-CUT
Q301, 302
B+ SWITCH
TC M+10V
TC A+9V
TUNER +9.4V
IC101 VDD
D305
D313
D304
EVER +3.3V
RDS +3.3V
TC +3.3V
IC401 +3.3V
D401
D402
D404
D403
D315
D302
D474
D475
D501
D957 – 960
RECT
D912 – 915
RECT
Q911
RELAY DRIVE
D953 – 956
RECT
T902
POWER
TRANSFORMER
(SUB)
D901
RECT
RECT
AMP B+
AMP B–
AC HI
AC HI
AC HI
AC HI
AC LO
AC LO
RY911
(AC IN)
T901
POWER
TRANSFORMER
(MAIN)
Q501
RESET
SWITCH
Q801 - 802
DC/DC
CONVERTER
IC891
REMOTE CONTROL
RECEIVER
1
97
1
3
1
3
1
3
IC304
+10V REG
M +7V
UNREG (L)
1
3
IC303
+7V REG
1
3
IC301
+4V REG
IC911
+4V REG
DD +3.3V
RF +3.3V
D301
D314
D891
(STBY)
S801 – 805
FUNCTION KEY
95
S811 – 813
FUNCTION KEY
94
S821 – 826
FUNCTION KEY
KEY0
KEY1
KEY2
74 POWER KEY
E
AMP
SECTION
28
28
HCD-GP7
7-2. Printed Wiring Board — CD Section —
• See page 23 for Circuit Boards Location.
C150
C273
C260
C206
C292
C256
FB104
C255
C274
C250
R279
C263
R271
FB102
C269
C259
C262
C261
C265
FB107
C131
R151
C108
R215
R152
C224
Q101
C109
C202
R156
C132
C230
C117
R214
C222
FB291
C264
C158
C215
C118
C223
C216
R201
R276
C119
R202
C151
R203
R219
IC121
C226
C133
C113
C276
R123
R122
C114
FB103
C231
C229
C115
C111
R277
R280
C279
C275
1
2
3
E
11
(11)
1-686-782-
CD BOARD (SIDE A)
FB106
C249
R212
R254
CN101
R249
R259
R101
R255
R257
C271
R272
C266
R275
C257
C270
R251
R250
R216
C203
C253
C252
C267
R266
R265
C251
C268
R260
C227
X201
R204
R102
C209
R104
R126
R207
R118
C212
C211
R232
R153
R132
R252
R125
C102
R114
R103
R218
R117
R113
R105
IC150
C101
C254
R131
R155
IC103
C110
C103
IC101
IC104
C152
R133
R111
R206
R231
R205
C104
C258
C208
FB101
C116
C107
R213
R230
R220
R120
C213
R253
C205
CN102
L101
R233
CD BOARD (SIDE B)
11
(11)
1-686-782-
OPTICAL
PICK-UP
BLOCK
(KSM–213D)
A
1
14
28
15
41
40
21
61
80
60
20
1
1
16
48
64
49
17
32
33
M102
SPINDLE
MOTOR
M101
SLED
MOTOR
M
M
S101
(LIMIT)
16
30
15
1
TP7(DVD)
TP5(RFAC)
TP2(TE)
TP4(FE)
TO
MAIN
BOARD
CN306
(Page 32)
2
3
4
5
6
7
8
A
1
B
C
D
E
Ref. No.
Location
IC721
D-8
IC722
C-9
IC801
E-3
IC802
F-3
IC803
F-9
Q701
B-7
• Semiconductor
Location
Ver 1.1 2003.11
Click on the first or last page to see other CMT-GP7 / HCD-GP7 service manuals if exist.