JVC HR-XV48EF Service Manual page 64

MAIN(FMA) SCHEMATIC DIAGRAM
5
AL5.8V
SW5V
TO SW.REG
SHEET 1 GND
SW12V
4
RF_AUDIO
TO TUNER
DEMOD[R]
SHEET 7
DEMOD[L]
FMA_OUT[R]
FMA_OUT[L]
GND
F.AUDIO[R]
F.AUDIO[L]
TO MAIN TERMINAL
DVD_OUT[R]
SHEET 8
DVD_OUT[L]
3 A.IN1[R]
A.IN1[L]
A.IN2[R]
A.IN2[L]
DEC_OUT[R]
DEC_OUT[L]
2Fsc
TO VIDEO/N.AUDIO NA_REC
SHEET 2
GND
NA_PB
2
1
A
C2222
0.01
Q2202
Q2201
R2220
1k
R2241 47k
R2242
6.8k
R2243 47k
R2244
6.8k
R2209
R2211
680
5.6k C2214
R2210
4.7k
Q2203
Q2204
D2201
R2213
4.7k
C2215
R2212 R2214
5.6k 680
R2215
0
C2218
R2216
560
C2217
C2219
C2216 R2217
47 4.7k
R2234
C2220
100
C2228
R2218 3.3k C2221
R2219 1.2k C2229
R2235 680
C2230
R2236 2.7k
R2237 680
C2231
R2238 2.7k
B C
10
10
10
22
10
0.022
10
10
!
IC2201
R2231 R2233 R2202 R2204 R2227 R2206
470 470 6.8k 6.8k 15k 6.8k
R2230 3.9k
R2232 3.9k
R2201 47k
R2203 47k
R2205 47k
R2207 47k
R2226 10k
R2228 10k
D E
2-13 2-14
TP2253
C2208 0.015
R2253
100
R2257
C2259 0.33
R2252 R2251
220 4.7k
D2251
C2257 0.01
Q2255
L2252
C2258
150µ
C2256 0.01 180p
C2255 C2254 L2251
0.01 47
10µ
C2253
K2251
0.01
C2261
100p
C2262
C2252
K2252
100p 0.01
C2251 0.01
C2207 0.015
C2206 10
C2205 10
R2223
510
R2222
4.7k
C2223
0.047
C2204
33
R2208 R2229
6.8k 15k
F
I2C_DATA_AV
I2C_CLK_AV
A.MUTE[H]
TO SYSCON
H.REC_ST[H]
SHEET 6
PAL_PB[H]
A.ENV/ND[L]
A.FF
GND
TO VIDEO/N.AUDIO
FMA_CH2
SHEET 2
FMA_CH1
FMA_COM
p20471001a_rev0
SHEET 5
G