![background image](http://html.mh-extra.com/html/sony/hcd-rv7/hcd-rv7_service-manual_420869024.webp)
HCD-RV7/RV8
24
24
FM ANT
ANT GND
AM ANT
ANT GND
ST-DIN
ST-CLK
ST-CE
ST-MUTE
TUNED
STEREO
L-CH
R-CH
ST-DOUT
TUNER UNIT
FM 75
Ω
AM
R-CH
DI
DO
CLK
CE
MUTING
TUNED
STEREO
R-CH
L-CH
R-CH
L-CH
R-CH
R-CH
HP901
(PB)
HRPE901
(REC/PB/ERASE)
REC/PB SWITCHING
IC302
R-CH
BIAS OSC
T301
BIAS
TRAP
REC BIAS
SWITCH
Q301, 307, 310
TC +10V
TRIGGER
PLUNGER DRIVE
(DECK B)
Q391, 392
PM902
TRIGGER PLUNGER
(DECK B)
51
TRIGGER
PLUNGER DRIVE
(DECK A)
Q393, 394
PM901
TRIGGER PLUNGER
(DECK A)
52
90
89
DECK A/B SELECT SWITCH,
PB EQ AMP
IC301 (1/2)
R-CH
REC EQ AMP, ALC
IC301 (2/2)
TAPE
L-CH
TUNER
L-CH
REC
L-CH
57
56
11
S1002
(DECK B PLAY)
S1001
(DECK A PLAY)
70
S1003
(DECK A HALF)
91
S1006
(DECK B HALF)
S1009
(DECK B REC)
S1005
(DECK A REC)
D +3.3V
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
: TAPE PLAY (DECK A)
: REC
: TAPE PLAY (DECK B)
ROTATION
DETECT SENSOR
(DECK A)
IC1001
ROTATION
DETECT SENSOR
(DECK B)
IC1002
DO
CE
MUTING
TUNED
STEREO
DI
CLK
REC BIAS (L)
(DECK B)
RV304
REC BIAS (R)
(DECK B)
RV354
Q395
TAPE SPEED
(HIGH)
RV1001
TAPE SPEED
(NORMAL)
A/B
NOR/HIGH
REC MUTE
A/B
NOR/HIGH
REC MUTE
REC LEVEL (L)
(DECK B)
RV301
+
MUTING
Q306
MUTING CONTROL
SWITCH
Q389
BUFFER
Q390, 398, 399
ANTENNA
REC/PB
SWITCHING
Q304, 305
D +3.3V
D +3.3V
7-3.
BLOCK DIAGRAM – TUNER/TAPE DECK Section –
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
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299