Main(Fma/Demod) Schematic Diagram - JVC HR-J691U Service Manual

4.6 MAIN (FMA/DEMOD) SCHEMATIC DIAGRAM
0 3 MAIN(FMA/DEMOD)
5
TO SW.REG
SW5V
GND
SW12V
C6506
TO TUNER
1 /50
COMP
SIF
4
TO
VIDEO/N.AUDIO
Fsc
LINE_OUT[R]
LINE_OUT[L]
R2211
RF_AUDIO 3.3K
NA_REC
NA_PB
GND
R2212
F.AUDIO[R] 3.3K
F.AUDIO[L]
3
2
## MARKED SYMBOLS ARE NOT MOUNTED.
1
A
C2222
0.01
C6504
0.1
C6517 R6502
0.22 3.3k
Q2201
DTA144WUA
R2220
1k
Q2202
DTC144WUA
Pilot_DET
C6508 0.022
SAP_Noise_DET
L6501 C6509 0.1
SHORT
Vcc(MTS)
C6512 0.022
D2201
SAP_DET
OPEN
## ##
Q2203
C6510 C6511
2SC4081/QRS/
LINE_OUT(R)
C2214 10 /25
R2209
100
C6513 2.2 /50
L+R_REF
R2210
4.7k
GND2
R2213
4.7k
LED
R2214
100
C2215 10 /25
LINE_OUT(L)
Q2204
2SC4081/QRS/
Vcc2(12V)
R2215
R2216
220
1K
C2218 10 /25
RFC_OUT
C2216 C2217 R2217
C2219 22 /16
47 /16 OPEN 4.7k
RFC_AGC_DET
C2220 10 /25
NORMAL_OUT
R2218 3.9K C2221 0.022
NORMAL_IN
C6514 0.022
R2219
Spectral_DET1
1K
C6515 3.3 /50
Spectral
timing
IC2201
AN3663FBP
B C
C2230 C2209
10 /25
OPEN
C2231
OPEN
CCA_OUT(R)
NOISE_DET
PB_FM_IN
PRE_OUT
ENV
AFF
REC(-)DCF
Vcc(P/R)
CH2
GND(P/R)
CH1
COM
REC(+)DCF
CCA_OUT(L)
NR_REF(L)
NR_DET(L)
C2204
33 /16
R2202 R2206
6.8k 6.8k
R2201 47k
R2205 47k
D E
4-13 4-14
Note : The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts , refer to the Parts List.
TP2253
R2253
100
C2208 0.015
R2257 680K
C2259 0.33 /50
R2251
4.7K
R2252
3.3K
D2251
1SS133-T2
C2257 0.01
1SS270A-T2
C2256 0.01
L2251
10µ
C2255 C2254
0.01 47 /6.3
C2253 0.01
C2261
OPEN
C2262
OPEN
C2252 0.01
C2251 0.01
C2207 0.015
C2206 10 /25
C2205 10 /25
F
TO SYSCON
LED
I2C_DATA
I2C_CLK
A.MUTE[H]
H.REC_ST[H]
A.ENV/ND[L]
A.FF
TO
VIDEO/N.AUDIO
FMA_CH2
FMA_CH1
FMA_COM
p20230001a_rev0.1
G H