Harman Kardon AVR 700, Service Manual

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Symptom Test Point
3. "CENTER" Channel dead. C) Speaker wire's disjunction.
4. "REAR" Channel dead. Close insertion of the speaker wire.
D) Volume IC check. I.C No. ( 109 )(MAIN)
1. I.C voltage check ( +7.5 )V, ( -7.5 )V I.C Pin No. ( 30,52)(MAIN)
2. I.C control data check. I.C PIN No. (49,50)(MAIN)
3. I.C signal IN/OUT check.
AC-3/DTS Failure. A) I.C Regulator check.
(DSP Sound Mode) DSP I/O + (3.3)V,DSP CORE + (1.2)V I.C110, I.C111(DMAIN)
CODEC + ( 5)V I.C111 (MAIN)
B) DIR check. I.C109(DMAIN)
1. OSC check. X-TAL 102(DMAIN)
2. BICK, LRCK, RDATA Check. I.C Pin No. ( 15, 16, 14)(DMAIN )
3. Micom Interface Port Check. I.C Pin No. ( 21,22,31 )(DMAIN)
C) DSP Check. I.C117(DMAIN)
1. BICK, LRCK Check. I.C Pin No. ( 162, 163 )(DMAIN)
2. Micom Interface Port Check. I.C Pin No.(7, 8, 13, 14, 146)(DMAIN)
3. SDATA 1, 2, 3,4 Check. I.C Pin No. (1, 174, 175, 176)(DMAIN)
D) D/A Check. I.C109
1. LRCK/BCK/SDATA check. I.C Pin No. ( 17,18,19)(DMAIN)
2. Signal out check. I.C Pin No. (39, 41, 43, 45, 47, 49)(DMAIN)
Video Output Dead. A) Video Regulator voltage check.
1. DC voltage check. + ( 12 )V I.C110 (MAIN)
B) Video Mute(MONTOR,V1 OUT) port check.(IC101) I.C119 ( 23 )(DMAIN)
Remote Controller Failure. A) Battery check.
B) RMC I.C & Resonator inferior.
1. ൚ -COM I.C B+( 3.3 )V check. I.C119 Pin No. ( 16,62 )(DMAIN)
2. REMOCON data check. RMC701(1) (FRONT)
FM Failure. A) FM MUTE adjustment inferior.
B) FRONT-END inferior.
C) FM DET COIL inferior.
D) PLL&MPX IC check.
1. PLL&MPX I.C B+( 5 )Vcheck. PACK102( 6 )(MAIN)
2. PLL control data check. (Data/CE/Clock) pack102(3, 4, 5)(MAIN)
E) TUNER B+ voltage inferior.
F)
൚
-COM I.C & Resonator inferior.
1. ൚ -COM I.C B+( 3.3 )V check. I.C119 Pin No. ( 16,62 )(DMAIN)
2. Micom control data check. I.C Pin No. ( 18, 40, 42, 43, 44)(DMAIN)
AM Failure. A) PLL&MPX IC check.
1. PLL&MPX I.C B+( 5 )Vcheck. PACK102( 6 )(MAIN)
2. PLL control data check (Data/CE/Clock) pack102(3, 4, 5)(MAIN)
B) TUNER B+ voltage inferior.
C) AM OSC COIL inferior.
D) ൚ -COM I.C & Resonator inferior.
1.
൚
-COM I.C B+( 3.3)V check.
I.C119 Pin No. ( 16,62 )(DMAIN)
2. Micom control data check. I.C Pin No. ( 18, 40, 42, 43, 44)(DMAIN)
Check
AVR
700
harman/kardon 19